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-rw-r--r--src/redis-benchmark.c2060
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diff --git a/src/redis-benchmark.c b/src/redis-benchmark.c
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+++ b/src/redis-benchmark.c
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+/* Redis benchmark utility.
+ *
+ * Copyright (c) 2009-2012, Salvatore Sanfilippo <antirez at gmail dot com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Redis nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "fmacros.h"
+#include "version.h"
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+#include <time.h>
+#include <sys/time.h>
+#include <signal.h>
+#include <assert.h>
+#include <math.h>
+#include <pthread.h>
+
+#include <sdscompat.h> /* Use hiredis' sds compat header that maps sds calls to their hi_ variants */
+#include <sds.h> /* Use hiredis sds. */
+#include "ae.h"
+#include <hiredis.h>
+#ifdef USE_OPENSSL
+#include <openssl/ssl.h>
+#include <openssl/err.h>
+#include <hiredis_ssl.h>
+#endif
+#include "adlist.h"
+#include "dict.h"
+#include "zmalloc.h"
+#include "atomicvar.h"
+#include "crc16_slottable.h"
+#include "hdr_histogram.h"
+#include "cli_common.h"
+#include "mt19937-64.h"
+
+#define UNUSED(V) ((void) V)
+#define RANDPTR_INITIAL_SIZE 8
+#define DEFAULT_LATENCY_PRECISION 3
+#define MAX_LATENCY_PRECISION 4
+#define MAX_THREADS 500
+#define CLUSTER_SLOTS 16384
+#define CONFIG_LATENCY_HISTOGRAM_MIN_VALUE 10L /* >= 10 usecs */
+#define CONFIG_LATENCY_HISTOGRAM_MAX_VALUE 3000000L /* <= 3 secs(us precision) */
+#define CONFIG_LATENCY_HISTOGRAM_INSTANT_MAX_VALUE 3000000L /* <= 3 secs(us precision) */
+#define SHOW_THROUGHPUT_INTERVAL 250 /* 250ms */
+
+#define CLIENT_GET_EVENTLOOP(c) \
+ (c->thread_id >= 0 ? config.threads[c->thread_id]->el : config.el)
+
+struct benchmarkThread;
+struct clusterNode;
+struct redisConfig;
+
+static struct config {
+ aeEventLoop *el;
+ cliConnInfo conn_info;
+ const char *hostsocket;
+ int tls;
+ struct cliSSLconfig sslconfig;
+ int numclients;
+ redisAtomic int liveclients;
+ int requests;
+ redisAtomic int requests_issued;
+ redisAtomic int requests_finished;
+ redisAtomic int previous_requests_finished;
+ int last_printed_bytes;
+ long long previous_tick;
+ int keysize;
+ int datasize;
+ int randomkeys;
+ int randomkeys_keyspacelen;
+ int keepalive;
+ int pipeline;
+ long long start;
+ long long totlatency;
+ const char *title;
+ list *clients;
+ int quiet;
+ int csv;
+ int loop;
+ int idlemode;
+ sds input_dbnumstr;
+ char *tests;
+ int stdinarg; /* get last arg from stdin. (-x option) */
+ int precision;
+ int num_threads;
+ struct benchmarkThread **threads;
+ int cluster_mode;
+ int cluster_node_count;
+ struct clusterNode **cluster_nodes;
+ struct redisConfig *redis_config;
+ struct hdr_histogram* latency_histogram;
+ struct hdr_histogram* current_sec_latency_histogram;
+ redisAtomic int is_fetching_slots;
+ redisAtomic int is_updating_slots;
+ redisAtomic int slots_last_update;
+ int enable_tracking;
+ pthread_mutex_t liveclients_mutex;
+ pthread_mutex_t is_updating_slots_mutex;
+ int resp3; /* use RESP3 */
+} config;
+
+typedef struct _client {
+ redisContext *context;
+ sds obuf;
+ char **randptr; /* Pointers to :rand: strings inside the command buf */
+ size_t randlen; /* Number of pointers in client->randptr */
+ size_t randfree; /* Number of unused pointers in client->randptr */
+ char **stagptr; /* Pointers to slot hashtags (cluster mode only) */
+ size_t staglen; /* Number of pointers in client->stagptr */
+ size_t stagfree; /* Number of unused pointers in client->stagptr */
+ size_t written; /* Bytes of 'obuf' already written */
+ long long start; /* Start time of a request */
+ long long latency; /* Request latency */
+ int pending; /* Number of pending requests (replies to consume) */
+ int prefix_pending; /* If non-zero, number of pending prefix commands. Commands
+ such as auth and select are prefixed to the pipeline of
+ benchmark commands and discarded after the first send. */
+ int prefixlen; /* Size in bytes of the pending prefix commands */
+ int thread_id;
+ struct clusterNode *cluster_node;
+ int slots_last_update;
+} *client;
+
+/* Threads. */
+
+typedef struct benchmarkThread {
+ int index;
+ pthread_t thread;
+ aeEventLoop *el;
+} benchmarkThread;
+
+/* Cluster. */
+typedef struct clusterNode {
+ char *ip;
+ int port;
+ sds name;
+ int flags;
+ sds replicate; /* Master ID if node is a slave */
+ int *slots;
+ int slots_count;
+ int current_slot_index;
+ int *updated_slots; /* Used by updateClusterSlotsConfiguration */
+ int updated_slots_count; /* Used by updateClusterSlotsConfiguration */
+ int replicas_count;
+ sds *migrating; /* An array of sds where even strings are slots and odd
+ * strings are the destination node IDs. */
+ sds *importing; /* An array of sds where even strings are slots and odd
+ * strings are the source node IDs. */
+ int migrating_count; /* Length of the migrating array (migrating slots*2) */
+ int importing_count; /* Length of the importing array (importing slots*2) */
+ struct redisConfig *redis_config;
+} clusterNode;
+
+typedef struct redisConfig {
+ sds save;
+ sds appendonly;
+} redisConfig;
+
+/* Prototypes */
+char *redisGitSHA1(void);
+char *redisGitDirty(void);
+static void writeHandler(aeEventLoop *el, int fd, void *privdata, int mask);
+static void createMissingClients(client c);
+static benchmarkThread *createBenchmarkThread(int index);
+static void freeBenchmarkThread(benchmarkThread *thread);
+static void freeBenchmarkThreads(void);
+static void *execBenchmarkThread(void *ptr);
+static clusterNode *createClusterNode(char *ip, int port);
+static redisConfig *getRedisConfig(const char *ip, int port,
+ const char *hostsocket);
+static redisContext *getRedisContext(const char *ip, int port,
+ const char *hostsocket);
+static void freeRedisConfig(redisConfig *cfg);
+static int fetchClusterSlotsConfiguration(client c);
+static void updateClusterSlotsConfiguration(void);
+int showThroughput(struct aeEventLoop *eventLoop, long long id,
+ void *clientData);
+
+static sds benchmarkVersion(void) {
+ sds version;
+ version = sdscatprintf(sdsempty(), "%s", REDIS_VERSION);
+
+ /* Add git commit and working tree status when available */
+ if (strtoll(redisGitSHA1(),NULL,16)) {
+ version = sdscatprintf(version, " (git:%s", redisGitSHA1());
+ if (strtoll(redisGitDirty(),NULL,10))
+ version = sdscatprintf(version, "-dirty");
+ version = sdscat(version, ")");
+ }
+ return version;
+}
+
+/* Dict callbacks */
+static uint64_t dictSdsHash(const void *key);
+static int dictSdsKeyCompare(dict *d, const void *key1, const void *key2);
+
+/* Implementation */
+static long long ustime(void) {
+ struct timeval tv;
+ long long ust;
+
+ gettimeofday(&tv, NULL);
+ ust = ((long long)tv.tv_sec)*1000000;
+ ust += tv.tv_usec;
+ return ust;
+}
+
+static long long mstime(void) {
+ return ustime()/1000;
+}
+
+static uint64_t dictSdsHash(const void *key) {
+ return dictGenHashFunction((unsigned char*)key, sdslen((char*)key));
+}
+
+static int dictSdsKeyCompare(dict *d, const void *key1, const void *key2)
+{
+ int l1,l2;
+ UNUSED(d);
+
+ l1 = sdslen((sds)key1);
+ l2 = sdslen((sds)key2);
+ if (l1 != l2) return 0;
+ return memcmp(key1, key2, l1) == 0;
+}
+
+static redisContext *getRedisContext(const char *ip, int port,
+ const char *hostsocket)
+{
+ redisContext *ctx = NULL;
+ redisReply *reply = NULL;
+ if (hostsocket == NULL)
+ ctx = redisConnect(ip, port);
+ else
+ ctx = redisConnectUnix(hostsocket);
+ if (ctx == NULL || ctx->err) {
+ fprintf(stderr,"Could not connect to Redis at ");
+ char *err = (ctx != NULL ? ctx->errstr : "");
+ if (hostsocket == NULL)
+ fprintf(stderr,"%s:%d: %s\n",ip,port,err);
+ else
+ fprintf(stderr,"%s: %s\n",hostsocket,err);
+ goto cleanup;
+ }
+ if (config.tls==1) {
+ const char *err = NULL;
+ if (cliSecureConnection(ctx, config.sslconfig, &err) == REDIS_ERR && err) {
+ fprintf(stderr, "Could not negotiate a TLS connection: %s\n", err);
+ goto cleanup;
+ }
+ }
+ if (config.conn_info.auth == NULL)
+ return ctx;
+ if (config.conn_info.user == NULL)
+ reply = redisCommand(ctx,"AUTH %s", config.conn_info.auth);
+ else
+ reply = redisCommand(ctx,"AUTH %s %s", config.conn_info.user, config.conn_info.auth);
+ if (reply != NULL) {
+ if (reply->type == REDIS_REPLY_ERROR) {
+ if (hostsocket == NULL)
+ fprintf(stderr, "Node %s:%d replied with error:\n%s\n", ip, port, reply->str);
+ else
+ fprintf(stderr, "Node %s replied with error:\n%s\n", hostsocket, reply->str);
+ freeReplyObject(reply);
+ redisFree(ctx);
+ exit(1);
+ }
+ freeReplyObject(reply);
+ return ctx;
+ }
+ fprintf(stderr, "ERROR: failed to fetch reply from ");
+ if (hostsocket == NULL)
+ fprintf(stderr, "%s:%d\n", ip, port);
+ else
+ fprintf(stderr, "%s\n", hostsocket);
+cleanup:
+ freeReplyObject(reply);
+ redisFree(ctx);
+ return NULL;
+}
+
+
+
+static redisConfig *getRedisConfig(const char *ip, int port,
+ const char *hostsocket)
+{
+ redisConfig *cfg = zcalloc(sizeof(*cfg));
+ if (!cfg) return NULL;
+ redisContext *c = NULL;
+ redisReply *reply = NULL, *sub_reply = NULL;
+ c = getRedisContext(ip, port, hostsocket);
+ if (c == NULL) {
+ freeRedisConfig(cfg);
+ exit(1);
+ }
+ redisAppendCommand(c, "CONFIG GET %s", "save");
+ redisAppendCommand(c, "CONFIG GET %s", "appendonly");
+ int abort_test = 0;
+ int i = 0;
+ void *r = NULL;
+ for (; i < 2; i++) {
+ int res = redisGetReply(c, &r);
+ if (reply) freeReplyObject(reply);
+ reply = res == REDIS_OK ? ((redisReply *) r) : NULL;
+ if (res != REDIS_OK || !r) goto fail;
+ if (reply->type == REDIS_REPLY_ERROR) {
+ goto fail;
+ }
+ if (reply->type != REDIS_REPLY_ARRAY || reply->elements < 2) goto fail;
+ sub_reply = reply->element[1];
+ char *value = sub_reply->str;
+ if (!value) value = "";
+ switch (i) {
+ case 0: cfg->save = sdsnew(value); break;
+ case 1: cfg->appendonly = sdsnew(value); break;
+ }
+ }
+ freeReplyObject(reply);
+ redisFree(c);
+ return cfg;
+fail:
+ if (reply && reply->type == REDIS_REPLY_ERROR &&
+ !strncmp(reply->str,"NOAUTH",6)) {
+ if (hostsocket == NULL)
+ fprintf(stderr, "Node %s:%d replied with error:\n%s\n", ip, port, reply->str);
+ else
+ fprintf(stderr, "Node %s replied with error:\n%s\n", hostsocket, reply->str);
+ abort_test = 1;
+ }
+ freeReplyObject(reply);
+ redisFree(c);
+ freeRedisConfig(cfg);
+ if (abort_test) exit(1);
+ return NULL;
+}
+static void freeRedisConfig(redisConfig *cfg) {
+ if (cfg->save) sdsfree(cfg->save);
+ if (cfg->appendonly) sdsfree(cfg->appendonly);
+ zfree(cfg);
+}
+
+static void freeClient(client c) {
+ aeEventLoop *el = CLIENT_GET_EVENTLOOP(c);
+ listNode *ln;
+ aeDeleteFileEvent(el,c->context->fd,AE_WRITABLE);
+ aeDeleteFileEvent(el,c->context->fd,AE_READABLE);
+ if (c->thread_id >= 0) {
+ int requests_finished = 0;
+ atomicGet(config.requests_finished, requests_finished);
+ if (requests_finished >= config.requests) {
+ aeStop(el);
+ }
+ }
+ redisFree(c->context);
+ sdsfree(c->obuf);
+ zfree(c->randptr);
+ zfree(c->stagptr);
+ zfree(c);
+ if (config.num_threads) pthread_mutex_lock(&(config.liveclients_mutex));
+ config.liveclients--;
+ ln = listSearchKey(config.clients,c);
+ assert(ln != NULL);
+ listDelNode(config.clients,ln);
+ if (config.num_threads) pthread_mutex_unlock(&(config.liveclients_mutex));
+}
+
+static void freeAllClients(void) {
+ listNode *ln = config.clients->head, *next;
+
+ while(ln) {
+ next = ln->next;
+ freeClient(ln->value);
+ ln = next;
+ }
+}
+
+static void resetClient(client c) {
+ aeEventLoop *el = CLIENT_GET_EVENTLOOP(c);
+ aeDeleteFileEvent(el,c->context->fd,AE_WRITABLE);
+ aeDeleteFileEvent(el,c->context->fd,AE_READABLE);
+ aeCreateFileEvent(el,c->context->fd,AE_WRITABLE,writeHandler,c);
+ c->written = 0;
+ c->pending = config.pipeline;
+}
+
+static void randomizeClientKey(client c) {
+ size_t i;
+
+ for (i = 0; i < c->randlen; i++) {
+ char *p = c->randptr[i]+11;
+ size_t r = 0;
+ if (config.randomkeys_keyspacelen != 0)
+ r = random() % config.randomkeys_keyspacelen;
+ size_t j;
+
+ for (j = 0; j < 12; j++) {
+ *p = '0'+r%10;
+ r/=10;
+ p--;
+ }
+ }
+}
+
+static void setClusterKeyHashTag(client c) {
+ assert(c->thread_id >= 0);
+ clusterNode *node = c->cluster_node;
+ assert(node);
+ assert(node->current_slot_index < node->slots_count);
+ int is_updating_slots = 0;
+ atomicGet(config.is_updating_slots, is_updating_slots);
+ /* If updateClusterSlotsConfiguration is updating the slots array,
+ * call updateClusterSlotsConfiguration is order to block the thread
+ * since the mutex is locked. When the slots will be updated by the
+ * thread that's actually performing the update, the execution of
+ * updateClusterSlotsConfiguration won't actually do anything, since
+ * the updated_slots_count array will be already NULL. */
+ if (is_updating_slots) updateClusterSlotsConfiguration();
+ int slot = node->slots[node->current_slot_index];
+ const char *tag = crc16_slot_table[slot];
+ int taglen = strlen(tag);
+ size_t i;
+ for (i = 0; i < c->staglen; i++) {
+ char *p = c->stagptr[i] + 1;
+ p[0] = tag[0];
+ p[1] = (taglen >= 2 ? tag[1] : '}');
+ p[2] = (taglen == 3 ? tag[2] : '}');
+ }
+}
+
+static void clientDone(client c) {
+ int requests_finished = 0;
+ atomicGet(config.requests_finished, requests_finished);
+ if (requests_finished >= config.requests) {
+ freeClient(c);
+ if (!config.num_threads && config.el) aeStop(config.el);
+ return;
+ }
+ if (config.keepalive) {
+ resetClient(c);
+ } else {
+ if (config.num_threads) pthread_mutex_lock(&(config.liveclients_mutex));
+ config.liveclients--;
+ createMissingClients(c);
+ config.liveclients++;
+ if (config.num_threads)
+ pthread_mutex_unlock(&(config.liveclients_mutex));
+ freeClient(c);
+ }
+}
+
+static void readHandler(aeEventLoop *el, int fd, void *privdata, int mask) {
+ client c = privdata;
+ void *reply = NULL;
+ UNUSED(el);
+ UNUSED(fd);
+ UNUSED(mask);
+
+ /* Calculate latency only for the first read event. This means that the
+ * server already sent the reply and we need to parse it. Parsing overhead
+ * is not part of the latency, so calculate it only once, here. */
+ if (c->latency < 0) c->latency = ustime()-(c->start);
+
+ if (redisBufferRead(c->context) != REDIS_OK) {
+ fprintf(stderr,"Error: %s\n",c->context->errstr);
+ exit(1);
+ } else {
+ while(c->pending) {
+ if (redisGetReply(c->context,&reply) != REDIS_OK) {
+ fprintf(stderr,"Error: %s\n",c->context->errstr);
+ exit(1);
+ }
+ if (reply != NULL) {
+ if (reply == (void*)REDIS_REPLY_ERROR) {
+ fprintf(stderr,"Unexpected error reply, exiting...\n");
+ exit(1);
+ }
+ redisReply *r = reply;
+ if (r->type == REDIS_REPLY_ERROR) {
+ /* Try to update slots configuration if reply error is
+ * MOVED/ASK/CLUSTERDOWN and the key(s) used by the command
+ * contain(s) the slot hash tag.
+ * If the error is not topology-update related then we
+ * immediately exit to avoid false results. */
+ if (c->cluster_node && c->staglen) {
+ int fetch_slots = 0, do_wait = 0;
+ if (!strncmp(r->str,"MOVED",5) || !strncmp(r->str,"ASK",3))
+ fetch_slots = 1;
+ else if (!strncmp(r->str,"CLUSTERDOWN",11)) {
+ /* Usually the cluster is able to recover itself after
+ * a CLUSTERDOWN error, so try to sleep one second
+ * before requesting the new configuration. */
+ fetch_slots = 1;
+ do_wait = 1;
+ fprintf(stderr, "Error from server %s:%d: %s.\n",
+ c->cluster_node->ip,
+ c->cluster_node->port,
+ r->str);
+ }
+ if (do_wait) sleep(1);
+ if (fetch_slots && !fetchClusterSlotsConfiguration(c))
+ exit(1);
+ } else {
+ if (c->cluster_node) {
+ fprintf(stderr, "Error from server %s:%d: %s\n",
+ c->cluster_node->ip,
+ c->cluster_node->port,
+ r->str);
+ } else fprintf(stderr, "Error from server: %s\n", r->str);
+ exit(1);
+ }
+ }
+
+ freeReplyObject(reply);
+ /* This is an OK for prefix commands such as auth and select.*/
+ if (c->prefix_pending > 0) {
+ c->prefix_pending--;
+ c->pending--;
+ /* Discard prefix commands on first response.*/
+ if (c->prefixlen > 0) {
+ size_t j;
+ sdsrange(c->obuf, c->prefixlen, -1);
+ /* We also need to fix the pointers to the strings
+ * we need to randomize. */
+ for (j = 0; j < c->randlen; j++)
+ c->randptr[j] -= c->prefixlen;
+ /* Fix the pointers to the slot hash tags */
+ for (j = 0; j < c->staglen; j++)
+ c->stagptr[j] -= c->prefixlen;
+ c->prefixlen = 0;
+ }
+ continue;
+ }
+ int requests_finished = 0;
+ atomicGetIncr(config.requests_finished, requests_finished, 1);
+ if (requests_finished < config.requests){
+ if (config.num_threads == 0) {
+ hdr_record_value(
+ config.latency_histogram, // Histogram to record to
+ (long)c->latency<=CONFIG_LATENCY_HISTOGRAM_MAX_VALUE ? (long)c->latency : CONFIG_LATENCY_HISTOGRAM_MAX_VALUE); // Value to record
+ hdr_record_value(
+ config.current_sec_latency_histogram, // Histogram to record to
+ (long)c->latency<=CONFIG_LATENCY_HISTOGRAM_INSTANT_MAX_VALUE ? (long)c->latency : CONFIG_LATENCY_HISTOGRAM_INSTANT_MAX_VALUE); // Value to record
+ } else {
+ hdr_record_value_atomic(
+ config.latency_histogram, // Histogram to record to
+ (long)c->latency<=CONFIG_LATENCY_HISTOGRAM_MAX_VALUE ? (long)c->latency : CONFIG_LATENCY_HISTOGRAM_MAX_VALUE); // Value to record
+ hdr_record_value_atomic(
+ config.current_sec_latency_histogram, // Histogram to record to
+ (long)c->latency<=CONFIG_LATENCY_HISTOGRAM_INSTANT_MAX_VALUE ? (long)c->latency : CONFIG_LATENCY_HISTOGRAM_INSTANT_MAX_VALUE); // Value to record
+ }
+ }
+ c->pending--;
+ if (c->pending == 0) {
+ clientDone(c);
+ break;
+ }
+ } else {
+ break;
+ }
+ }
+ }
+}
+
+static void writeHandler(aeEventLoop *el, int fd, void *privdata, int mask) {
+ client c = privdata;
+ UNUSED(el);
+ UNUSED(fd);
+ UNUSED(mask);
+
+ /* Initialize request when nothing was written. */
+ if (c->written == 0) {
+ /* Enforce upper bound to number of requests. */
+ int requests_issued = 0;
+ atomicGetIncr(config.requests_issued, requests_issued, config.pipeline);
+ if (requests_issued >= config.requests) {
+ return;
+ }
+
+ /* Really initialize: randomize keys and set start time. */
+ if (config.randomkeys) randomizeClientKey(c);
+ if (config.cluster_mode && c->staglen > 0) setClusterKeyHashTag(c);
+ atomicGet(config.slots_last_update, c->slots_last_update);
+ c->start = ustime();
+ c->latency = -1;
+ }
+ const ssize_t buflen = sdslen(c->obuf);
+ const ssize_t writeLen = buflen-c->written;
+ if (writeLen > 0) {
+ void *ptr = c->obuf+c->written;
+ while(1) {
+ /* Optimistically try to write before checking if the file descriptor
+ * is actually writable. At worst we get EAGAIN. */
+ const ssize_t nwritten = cliWriteConn(c->context,ptr,writeLen);
+ if (nwritten != writeLen) {
+ if (nwritten == -1 && errno != EAGAIN) {
+ if (errno != EPIPE)
+ fprintf(stderr, "Error writing to the server: %s\n", strerror(errno));
+ freeClient(c);
+ return;
+ } else if (nwritten > 0) {
+ c->written += nwritten;
+ return;
+ }
+ } else {
+ aeDeleteFileEvent(el,c->context->fd,AE_WRITABLE);
+ aeCreateFileEvent(el,c->context->fd,AE_READABLE,readHandler,c);
+ return;
+ }
+ }
+ }
+}
+
+/* Create a benchmark client, configured to send the command passed as 'cmd' of
+ * 'len' bytes.
+ *
+ * The command is copied N times in the client output buffer (that is reused
+ * again and again to send the request to the server) accordingly to the configured
+ * pipeline size.
+ *
+ * Also an initial SELECT command is prepended in order to make sure the right
+ * database is selected, if needed. The initial SELECT will be discarded as soon
+ * as the first reply is received.
+ *
+ * To create a client from scratch, the 'from' pointer is set to NULL. If instead
+ * we want to create a client using another client as reference, the 'from' pointer
+ * points to the client to use as reference. In such a case the following
+ * information is take from the 'from' client:
+ *
+ * 1) The command line to use.
+ * 2) The offsets of the __rand_int__ elements inside the command line, used
+ * for arguments randomization.
+ *
+ * Even when cloning another client, prefix commands are applied if needed.*/
+static client createClient(char *cmd, size_t len, client from, int thread_id) {
+ int j;
+ int is_cluster_client = (config.cluster_mode && thread_id >= 0);
+ client c = zmalloc(sizeof(struct _client));
+
+ const char *ip = NULL;
+ int port = 0;
+ c->cluster_node = NULL;
+ if (config.hostsocket == NULL || is_cluster_client) {
+ if (!is_cluster_client) {
+ ip = config.conn_info.hostip;
+ port = config.conn_info.hostport;
+ } else {
+ int node_idx = 0;
+ if (config.num_threads < config.cluster_node_count)
+ node_idx = config.liveclients % config.cluster_node_count;
+ else
+ node_idx = thread_id % config.cluster_node_count;
+ clusterNode *node = config.cluster_nodes[node_idx];
+ assert(node != NULL);
+ ip = (const char *) node->ip;
+ port = node->port;
+ c->cluster_node = node;
+ }
+ c->context = redisConnectNonBlock(ip,port);
+ } else {
+ c->context = redisConnectUnixNonBlock(config.hostsocket);
+ }
+ if (c->context->err) {
+ fprintf(stderr,"Could not connect to Redis at ");
+ if (config.hostsocket == NULL || is_cluster_client)
+ fprintf(stderr,"%s:%d: %s\n",ip,port,c->context->errstr);
+ else
+ fprintf(stderr,"%s: %s\n",config.hostsocket,c->context->errstr);
+ exit(1);
+ }
+ if (config.tls==1) {
+ const char *err = NULL;
+ if (cliSecureConnection(c->context, config.sslconfig, &err) == REDIS_ERR && err) {
+ fprintf(stderr, "Could not negotiate a TLS connection: %s\n", err);
+ exit(1);
+ }
+ }
+ c->thread_id = thread_id;
+ /* Suppress hiredis cleanup of unused buffers for max speed. */
+ c->context->reader->maxbuf = 0;
+
+ /* Build the request buffer:
+ * Queue N requests accordingly to the pipeline size, or simply clone
+ * the example client buffer. */
+ c->obuf = sdsempty();
+ /* Prefix the request buffer with AUTH and/or SELECT commands, if applicable.
+ * These commands are discarded after the first response, so if the client is
+ * reused the commands will not be used again. */
+ c->prefix_pending = 0;
+ if (config.conn_info.auth) {
+ char *buf = NULL;
+ int len;
+ if (config.conn_info.user == NULL)
+ len = redisFormatCommand(&buf, "AUTH %s", config.conn_info.auth);
+ else
+ len = redisFormatCommand(&buf, "AUTH %s %s",
+ config.conn_info.user, config.conn_info.auth);
+ c->obuf = sdscatlen(c->obuf, buf, len);
+ free(buf);
+ c->prefix_pending++;
+ }
+
+ if (config.enable_tracking) {
+ char *buf = NULL;
+ int len = redisFormatCommand(&buf, "CLIENT TRACKING on");
+ c->obuf = sdscatlen(c->obuf, buf, len);
+ free(buf);
+ c->prefix_pending++;
+ }
+
+ /* If a DB number different than zero is selected, prefix our request
+ * buffer with the SELECT command, that will be discarded the first
+ * time the replies are received, so if the client is reused the
+ * SELECT command will not be used again. */
+ if (config.conn_info.input_dbnum != 0 && !is_cluster_client) {
+ c->obuf = sdscatprintf(c->obuf,"*2\r\n$6\r\nSELECT\r\n$%d\r\n%s\r\n",
+ (int)sdslen(config.input_dbnumstr),config.input_dbnumstr);
+ c->prefix_pending++;
+ }
+
+ if (config.resp3) {
+ char *buf = NULL;
+ int len = redisFormatCommand(&buf, "HELLO 3");
+ c->obuf = sdscatlen(c->obuf, buf, len);
+ free(buf);
+ c->prefix_pending++;
+ }
+
+ c->prefixlen = sdslen(c->obuf);
+ /* Append the request itself. */
+ if (from) {
+ c->obuf = sdscatlen(c->obuf,
+ from->obuf+from->prefixlen,
+ sdslen(from->obuf)-from->prefixlen);
+ } else {
+ for (j = 0; j < config.pipeline; j++)
+ c->obuf = sdscatlen(c->obuf,cmd,len);
+ }
+
+ c->written = 0;
+ c->pending = config.pipeline+c->prefix_pending;
+ c->randptr = NULL;
+ c->randlen = 0;
+ c->stagptr = NULL;
+ c->staglen = 0;
+
+ /* Find substrings in the output buffer that need to be randomized. */
+ if (config.randomkeys) {
+ if (from) {
+ c->randlen = from->randlen;
+ c->randfree = 0;
+ c->randptr = zmalloc(sizeof(char*)*c->randlen);
+ /* copy the offsets. */
+ for (j = 0; j < (int)c->randlen; j++) {
+ c->randptr[j] = c->obuf + (from->randptr[j]-from->obuf);
+ /* Adjust for the different select prefix length. */
+ c->randptr[j] += c->prefixlen - from->prefixlen;
+ }
+ } else {
+ char *p = c->obuf;
+
+ c->randlen = 0;
+ c->randfree = RANDPTR_INITIAL_SIZE;
+ c->randptr = zmalloc(sizeof(char*)*c->randfree);
+ while ((p = strstr(p,"__rand_int__")) != NULL) {
+ if (c->randfree == 0) {
+ c->randptr = zrealloc(c->randptr,sizeof(char*)*c->randlen*2);
+ c->randfree += c->randlen;
+ }
+ c->randptr[c->randlen++] = p;
+ c->randfree--;
+ p += 12; /* 12 is strlen("__rand_int__). */
+ }
+ }
+ }
+ /* If cluster mode is enabled, set slot hashtags pointers. */
+ if (config.cluster_mode) {
+ if (from) {
+ c->staglen = from->staglen;
+ c->stagfree = 0;
+ c->stagptr = zmalloc(sizeof(char*)*c->staglen);
+ /* copy the offsets. */
+ for (j = 0; j < (int)c->staglen; j++) {
+ c->stagptr[j] = c->obuf + (from->stagptr[j]-from->obuf);
+ /* Adjust for the different select prefix length. */
+ c->stagptr[j] += c->prefixlen - from->prefixlen;
+ }
+ } else {
+ char *p = c->obuf;
+
+ c->staglen = 0;
+ c->stagfree = RANDPTR_INITIAL_SIZE;
+ c->stagptr = zmalloc(sizeof(char*)*c->stagfree);
+ while ((p = strstr(p,"{tag}")) != NULL) {
+ if (c->stagfree == 0) {
+ c->stagptr = zrealloc(c->stagptr,
+ sizeof(char*) * c->staglen*2);
+ c->stagfree += c->staglen;
+ }
+ c->stagptr[c->staglen++] = p;
+ c->stagfree--;
+ p += 5; /* 5 is strlen("{tag}"). */
+ }
+ }
+ }
+ aeEventLoop *el = NULL;
+ if (thread_id < 0) el = config.el;
+ else {
+ benchmarkThread *thread = config.threads[thread_id];
+ el = thread->el;
+ }
+ if (config.idlemode == 0)
+ aeCreateFileEvent(el,c->context->fd,AE_WRITABLE,writeHandler,c);
+ else
+ /* In idle mode, clients still need to register readHandler for catching errors */
+ aeCreateFileEvent(el,c->context->fd,AE_READABLE,readHandler,c);
+
+ listAddNodeTail(config.clients,c);
+ atomicIncr(config.liveclients, 1);
+ atomicGet(config.slots_last_update, c->slots_last_update);
+ return c;
+}
+
+static void createMissingClients(client c) {
+ int n = 0;
+ while(config.liveclients < config.numclients) {
+ int thread_id = -1;
+ if (config.num_threads)
+ thread_id = config.liveclients % config.num_threads;
+ createClient(NULL,0,c,thread_id);
+
+ /* Listen backlog is quite limited on most systems */
+ if (++n > 64) {
+ usleep(50000);
+ n = 0;
+ }
+ }
+}
+
+static void showLatencyReport(void) {
+
+ const float reqpersec = (float)config.requests_finished/((float)config.totlatency/1000.0f);
+ const float p0 = ((float) hdr_min(config.latency_histogram))/1000.0f;
+ const float p50 = hdr_value_at_percentile(config.latency_histogram, 50.0 )/1000.0f;
+ const float p95 = hdr_value_at_percentile(config.latency_histogram, 95.0 )/1000.0f;
+ const float p99 = hdr_value_at_percentile(config.latency_histogram, 99.0 )/1000.0f;
+ const float p100 = ((float) hdr_max(config.latency_histogram))/1000.0f;
+ const float avg = hdr_mean(config.latency_histogram)/1000.0f;
+
+ if (!config.quiet && !config.csv) {
+ printf("%*s\r", config.last_printed_bytes, " "); // ensure there is a clean line
+ printf("====== %s ======\n", config.title);
+ printf(" %d requests completed in %.2f seconds\n", config.requests_finished,
+ (float)config.totlatency/1000);
+ printf(" %d parallel clients\n", config.numclients);
+ printf(" %d bytes payload\n", config.datasize);
+ printf(" keep alive: %d\n", config.keepalive);
+ if (config.cluster_mode) {
+ printf(" cluster mode: yes (%d masters)\n",
+ config.cluster_node_count);
+ int m ;
+ for (m = 0; m < config.cluster_node_count; m++) {
+ clusterNode *node = config.cluster_nodes[m];
+ redisConfig *cfg = node->redis_config;
+ if (cfg == NULL) continue;
+ printf(" node [%d] configuration:\n",m );
+ printf(" save: %s\n",
+ sdslen(cfg->save) ? cfg->save : "NONE");
+ printf(" appendonly: %s\n", cfg->appendonly);
+ }
+ } else {
+ if (config.redis_config) {
+ printf(" host configuration \"save\": %s\n",
+ config.redis_config->save);
+ printf(" host configuration \"appendonly\": %s\n",
+ config.redis_config->appendonly);
+ }
+ }
+ printf(" multi-thread: %s\n", (config.num_threads ? "yes" : "no"));
+ if (config.num_threads)
+ printf(" threads: %d\n", config.num_threads);
+
+ printf("\n");
+ printf("Latency by percentile distribution:\n");
+ struct hdr_iter iter;
+ long long previous_cumulative_count = -1;
+ const long long total_count = config.latency_histogram->total_count;
+ hdr_iter_percentile_init(&iter, config.latency_histogram, 1);
+ struct hdr_iter_percentiles *percentiles = &iter.specifics.percentiles;
+ while (hdr_iter_next(&iter))
+ {
+ const double value = iter.highest_equivalent_value / 1000.0f;
+ const double percentile = percentiles->percentile;
+ const long long cumulative_count = iter.cumulative_count;
+ if( previous_cumulative_count != cumulative_count || cumulative_count == total_count ){
+ printf("%3.3f%% <= %.3f milliseconds (cumulative count %lld)\n", percentile, value, cumulative_count);
+ }
+ previous_cumulative_count = cumulative_count;
+ }
+ printf("\n");
+ printf("Cumulative distribution of latencies:\n");
+ previous_cumulative_count = -1;
+ hdr_iter_linear_init(&iter, config.latency_histogram, 100);
+ while (hdr_iter_next(&iter))
+ {
+ const double value = iter.highest_equivalent_value / 1000.0f;
+ const long long cumulative_count = iter.cumulative_count;
+ const double percentile = ((double)cumulative_count/(double)total_count)*100.0;
+ if( previous_cumulative_count != cumulative_count || cumulative_count == total_count ){
+ printf("%3.3f%% <= %.3f milliseconds (cumulative count %lld)\n", percentile, value, cumulative_count);
+ }
+ /* After the 2 milliseconds latency to have percentages split
+ * by decimals will just add a lot of noise to the output. */
+ if(iter.highest_equivalent_value > 2000){
+ hdr_iter_linear_set_value_units_per_bucket(&iter,1000);
+ }
+ previous_cumulative_count = cumulative_count;
+ }
+ printf("\n");
+ printf("Summary:\n");
+ printf(" throughput summary: %.2f requests per second\n", reqpersec);
+ printf(" latency summary (msec):\n");
+ printf(" %9s %9s %9s %9s %9s %9s\n", "avg", "min", "p50", "p95", "p99", "max");
+ printf(" %9.3f %9.3f %9.3f %9.3f %9.3f %9.3f\n", avg, p0, p50, p95, p99, p100);
+ } else if (config.csv) {
+ printf("\"%s\",\"%.2f\",\"%.3f\",\"%.3f\",\"%.3f\",\"%.3f\",\"%.3f\",\"%.3f\"\n", config.title, reqpersec, avg, p0, p50, p95, p99, p100);
+ } else {
+ printf("%*s\r", config.last_printed_bytes, " "); // ensure there is a clean line
+ printf("%s: %.2f requests per second, p50=%.3f msec\n", config.title, reqpersec, p50);
+ }
+}
+
+static void initBenchmarkThreads(void) {
+ int i;
+ if (config.threads) freeBenchmarkThreads();
+ config.threads = zmalloc(config.num_threads * sizeof(benchmarkThread*));
+ for (i = 0; i < config.num_threads; i++) {
+ benchmarkThread *thread = createBenchmarkThread(i);
+ config.threads[i] = thread;
+ }
+}
+
+static void startBenchmarkThreads(void) {
+ int i;
+ for (i = 0; i < config.num_threads; i++) {
+ benchmarkThread *t = config.threads[i];
+ if (pthread_create(&(t->thread), NULL, execBenchmarkThread, t)){
+ fprintf(stderr, "FATAL: Failed to start thread %d.\n", i);
+ exit(1);
+ }
+ }
+ for (i = 0; i < config.num_threads; i++)
+ pthread_join(config.threads[i]->thread, NULL);
+}
+
+static void benchmark(const char *title, char *cmd, int len) {
+ client c;
+
+ config.title = title;
+ config.requests_issued = 0;
+ config.requests_finished = 0;
+ config.previous_requests_finished = 0;
+ config.last_printed_bytes = 0;
+ hdr_init(
+ CONFIG_LATENCY_HISTOGRAM_MIN_VALUE, // Minimum value
+ CONFIG_LATENCY_HISTOGRAM_MAX_VALUE, // Maximum value
+ config.precision, // Number of significant figures
+ &config.latency_histogram); // Pointer to initialise
+ hdr_init(
+ CONFIG_LATENCY_HISTOGRAM_MIN_VALUE, // Minimum value
+ CONFIG_LATENCY_HISTOGRAM_INSTANT_MAX_VALUE, // Maximum value
+ config.precision, // Number of significant figures
+ &config.current_sec_latency_histogram); // Pointer to initialise
+
+ if (config.num_threads) initBenchmarkThreads();
+
+ int thread_id = config.num_threads > 0 ? 0 : -1;
+ c = createClient(cmd,len,NULL,thread_id);
+ createMissingClients(c);
+
+ config.start = mstime();
+ if (!config.num_threads) aeMain(config.el);
+ else startBenchmarkThreads();
+ config.totlatency = mstime()-config.start;
+
+ showLatencyReport();
+ freeAllClients();
+ if (config.threads) freeBenchmarkThreads();
+ if (config.current_sec_latency_histogram) hdr_close(config.current_sec_latency_histogram);
+ if (config.latency_histogram) hdr_close(config.latency_histogram);
+
+}
+
+/* Thread functions. */
+
+static benchmarkThread *createBenchmarkThread(int index) {
+ benchmarkThread *thread = zmalloc(sizeof(*thread));
+ if (thread == NULL) return NULL;
+ thread->index = index;
+ thread->el = aeCreateEventLoop(1024*10);
+ aeCreateTimeEvent(thread->el,1,showThroughput,(void *)thread,NULL);
+ return thread;
+}
+
+static void freeBenchmarkThread(benchmarkThread *thread) {
+ if (thread->el) aeDeleteEventLoop(thread->el);
+ zfree(thread);
+}
+
+static void freeBenchmarkThreads(void) {
+ int i = 0;
+ for (; i < config.num_threads; i++) {
+ benchmarkThread *thread = config.threads[i];
+ if (thread) freeBenchmarkThread(thread);
+ }
+ zfree(config.threads);
+ config.threads = NULL;
+}
+
+static void *execBenchmarkThread(void *ptr) {
+ benchmarkThread *thread = (benchmarkThread *) ptr;
+ aeMain(thread->el);
+ return NULL;
+}
+
+/* Cluster helper functions. */
+
+static clusterNode *createClusterNode(char *ip, int port) {
+ clusterNode *node = zmalloc(sizeof(*node));
+ if (!node) return NULL;
+ node->ip = ip;
+ node->port = port;
+ node->name = NULL;
+ node->flags = 0;
+ node->replicate = NULL;
+ node->replicas_count = 0;
+ node->slots = zmalloc(CLUSTER_SLOTS * sizeof(int));
+ node->slots_count = 0;
+ node->current_slot_index = 0;
+ node->updated_slots = NULL;
+ node->updated_slots_count = 0;
+ node->migrating = NULL;
+ node->importing = NULL;
+ node->migrating_count = 0;
+ node->importing_count = 0;
+ node->redis_config = NULL;
+ return node;
+}
+
+static void freeClusterNode(clusterNode *node) {
+ int i;
+ if (node->name) sdsfree(node->name);
+ if (node->replicate) sdsfree(node->replicate);
+ if (node->migrating != NULL) {
+ for (i = 0; i < node->migrating_count; i++) sdsfree(node->migrating[i]);
+ zfree(node->migrating);
+ }
+ if (node->importing != NULL) {
+ for (i = 0; i < node->importing_count; i++) sdsfree(node->importing[i]);
+ zfree(node->importing);
+ }
+ /* If the node is not the reference node, that uses the address from
+ * config.conn_info.hostip and config.conn_info.hostport, then the node ip has been
+ * allocated by fetchClusterConfiguration, so it must be freed. */
+ if (node->ip && strcmp(node->ip, config.conn_info.hostip) != 0) sdsfree(node->ip);
+ if (node->redis_config != NULL) freeRedisConfig(node->redis_config);
+ zfree(node->slots);
+ zfree(node);
+}
+
+static void freeClusterNodes(void) {
+ int i = 0;
+ for (; i < config.cluster_node_count; i++) {
+ clusterNode *n = config.cluster_nodes[i];
+ if (n) freeClusterNode(n);
+ }
+ zfree(config.cluster_nodes);
+ config.cluster_nodes = NULL;
+}
+
+static clusterNode **addClusterNode(clusterNode *node) {
+ int count = config.cluster_node_count + 1;
+ config.cluster_nodes = zrealloc(config.cluster_nodes,
+ count * sizeof(*node));
+ if (!config.cluster_nodes) return NULL;
+ config.cluster_nodes[config.cluster_node_count++] = node;
+ return config.cluster_nodes;
+}
+
+/* TODO: This should be refactored to use CLUSTER SLOTS, the migrating/importing
+ * information is anyway not used.
+ */
+static int fetchClusterConfiguration(void) {
+ int success = 1;
+ redisContext *ctx = NULL;
+ redisReply *reply = NULL;
+ ctx = getRedisContext(config.conn_info.hostip, config.conn_info.hostport, config.hostsocket);
+ if (ctx == NULL) {
+ exit(1);
+ }
+ clusterNode *firstNode = createClusterNode((char *) config.conn_info.hostip,
+ config.conn_info.hostport);
+ if (!firstNode) {success = 0; goto cleanup;}
+ reply = redisCommand(ctx, "CLUSTER NODES");
+ success = (reply != NULL);
+ if (!success) goto cleanup;
+ success = (reply->type != REDIS_REPLY_ERROR);
+ if (!success) {
+ if (config.hostsocket == NULL) {
+ fprintf(stderr, "Cluster node %s:%d replied with error:\n%s\n",
+ config.conn_info.hostip, config.conn_info.hostport, reply->str);
+ } else {
+ fprintf(stderr, "Cluster node %s replied with error:\n%s\n",
+ config.hostsocket, reply->str);
+ }
+ goto cleanup;
+ }
+ char *lines = reply->str, *p, *line;
+ while ((p = strstr(lines, "\n")) != NULL) {
+ *p = '\0';
+ line = lines;
+ lines = p + 1;
+ char *name = NULL, *addr = NULL, *flags = NULL, *master_id = NULL;
+ int i = 0;
+ while ((p = strchr(line, ' ')) != NULL) {
+ *p = '\0';
+ char *token = line;
+ line = p + 1;
+ switch(i++){
+ case 0: name = token; break;
+ case 1: addr = token; break;
+ case 2: flags = token; break;
+ case 3: master_id = token; break;
+ }
+ if (i == 8) break; // Slots
+ }
+ if (!flags) {
+ fprintf(stderr, "Invalid CLUSTER NODES reply: missing flags.\n");
+ success = 0;
+ goto cleanup;
+ }
+ int myself = (strstr(flags, "myself") != NULL);
+ int is_replica = (strstr(flags, "slave") != NULL ||
+ (master_id != NULL && master_id[0] != '-'));
+ if (is_replica) continue;
+ if (addr == NULL) {
+ fprintf(stderr, "Invalid CLUSTER NODES reply: missing addr.\n");
+ success = 0;
+ goto cleanup;
+ }
+ clusterNode *node = NULL;
+ char *ip = NULL;
+ int port = 0;
+ char *paddr = strrchr(addr, ':');
+ if (paddr != NULL) {
+ *paddr = '\0';
+ ip = addr;
+ addr = paddr + 1;
+ /* If internal bus is specified, then just drop it. */
+ if ((paddr = strchr(addr, '@')) != NULL) *paddr = '\0';
+ port = atoi(addr);
+ }
+ if (myself) {
+ node = firstNode;
+ if (ip != NULL && strcmp(node->ip, ip) != 0) {
+ node->ip = sdsnew(ip);
+ node->port = port;
+ }
+ } else {
+ node = createClusterNode(sdsnew(ip), port);
+ }
+ if (node == NULL) {
+ success = 0;
+ goto cleanup;
+ }
+ if (name != NULL) node->name = sdsnew(name);
+ if (i == 8) {
+ int remaining = strlen(line);
+ while (remaining > 0) {
+ p = strchr(line, ' ');
+ if (p == NULL) p = line + remaining;
+ remaining -= (p - line);
+
+ char *slotsdef = line;
+ *p = '\0';
+ if (remaining) {
+ line = p + 1;
+ remaining--;
+ } else line = p;
+ char *dash = NULL;
+ if (slotsdef[0] == '[') {
+ slotsdef++;
+ if ((p = strstr(slotsdef, "->-"))) { // Migrating
+ *p = '\0';
+ p += 3;
+ char *closing_bracket = strchr(p, ']');
+ if (closing_bracket) *closing_bracket = '\0';
+ sds slot = sdsnew(slotsdef);
+ sds dst = sdsnew(p);
+ node->migrating_count += 2;
+ node->migrating =
+ zrealloc(node->migrating,
+ (node->migrating_count * sizeof(sds)));
+ node->migrating[node->migrating_count - 2] =
+ slot;
+ node->migrating[node->migrating_count - 1] =
+ dst;
+ } else if ((p = strstr(slotsdef, "-<-"))) {//Importing
+ *p = '\0';
+ p += 3;
+ char *closing_bracket = strchr(p, ']');
+ if (closing_bracket) *closing_bracket = '\0';
+ sds slot = sdsnew(slotsdef);
+ sds src = sdsnew(p);
+ node->importing_count += 2;
+ node->importing = zrealloc(node->importing,
+ (node->importing_count * sizeof(sds)));
+ node->importing[node->importing_count - 2] =
+ slot;
+ node->importing[node->importing_count - 1] =
+ src;
+ }
+ } else if ((dash = strchr(slotsdef, '-')) != NULL) {
+ p = dash;
+ int start, stop;
+ *p = '\0';
+ start = atoi(slotsdef);
+ stop = atoi(p + 1);
+ while (start <= stop) {
+ int slot = start++;
+ node->slots[node->slots_count++] = slot;
+ }
+ } else if (p > slotsdef) {
+ int slot = atoi(slotsdef);
+ node->slots[node->slots_count++] = slot;
+ }
+ }
+ }
+ if (node->slots_count == 0) {
+ fprintf(stderr,
+ "WARNING: Master node %s:%d has no slots, skipping...\n",
+ node->ip, node->port);
+ continue;
+ }
+ if (!addClusterNode(node)) {
+ success = 0;
+ goto cleanup;
+ }
+ }
+cleanup:
+ if (ctx) redisFree(ctx);
+ if (!success) {
+ if (config.cluster_nodes) freeClusterNodes();
+ }
+ if (reply) freeReplyObject(reply);
+ return success;
+}
+
+/* Request the current cluster slots configuration by calling CLUSTER SLOTS
+ * and atomically update the slots after a successful reply. */
+static int fetchClusterSlotsConfiguration(client c) {
+ UNUSED(c);
+ int success = 1, is_fetching_slots = 0, last_update = 0;
+ size_t i;
+ atomicGet(config.slots_last_update, last_update);
+ if (c->slots_last_update < last_update) {
+ c->slots_last_update = last_update;
+ return -1;
+ }
+ redisReply *reply = NULL;
+ atomicGetIncr(config.is_fetching_slots, is_fetching_slots, 1);
+ if (is_fetching_slots) return -1; //TODO: use other codes || errno ?
+ atomicSet(config.is_fetching_slots, 1);
+ fprintf(stderr,
+ "WARNING: Cluster slots configuration changed, fetching new one...\n");
+ const char *errmsg = "Failed to update cluster slots configuration";
+ static dictType dtype = {
+ dictSdsHash, /* hash function */
+ NULL, /* key dup */
+ NULL, /* val dup */
+ dictSdsKeyCompare, /* key compare */
+ NULL, /* key destructor */
+ NULL, /* val destructor */
+ NULL /* allow to expand */
+ };
+ /* printf("[%d] fetchClusterSlotsConfiguration\n", c->thread_id); */
+ dict *masters = dictCreate(&dtype);
+ redisContext *ctx = NULL;
+ for (i = 0; i < (size_t) config.cluster_node_count; i++) {
+ clusterNode *node = config.cluster_nodes[i];
+ assert(node->ip != NULL);
+ assert(node->name != NULL);
+ assert(node->port);
+ /* Use first node as entry point to connect to. */
+ if (ctx == NULL) {
+ ctx = getRedisContext(node->ip, node->port, NULL);
+ if (!ctx) {
+ success = 0;
+ goto cleanup;
+ }
+ }
+ if (node->updated_slots != NULL)
+ zfree(node->updated_slots);
+ node->updated_slots = NULL;
+ node->updated_slots_count = 0;
+ dictReplace(masters, node->name, node) ;
+ }
+ reply = redisCommand(ctx, "CLUSTER SLOTS");
+ if (reply == NULL || reply->type == REDIS_REPLY_ERROR) {
+ success = 0;
+ if (reply)
+ fprintf(stderr,"%s\nCLUSTER SLOTS ERROR: %s\n",errmsg,reply->str);
+ goto cleanup;
+ }
+ assert(reply->type == REDIS_REPLY_ARRAY);
+ for (i = 0; i < reply->elements; i++) {
+ redisReply *r = reply->element[i];
+ assert(r->type == REDIS_REPLY_ARRAY);
+ assert(r->elements >= 3);
+ int from, to, slot;
+ from = r->element[0]->integer;
+ to = r->element[1]->integer;
+ redisReply *nr = r->element[2];
+ assert(nr->type == REDIS_REPLY_ARRAY && nr->elements >= 3);
+ assert(nr->element[2]->str != NULL);
+ sds name = sdsnew(nr->element[2]->str);
+ dictEntry *entry = dictFind(masters, name);
+ if (entry == NULL) {
+ success = 0;
+ fprintf(stderr, "%s: could not find node with ID %s in current "
+ "configuration.\n", errmsg, name);
+ if (name) sdsfree(name);
+ goto cleanup;
+ }
+ sdsfree(name);
+ clusterNode *node = dictGetVal(entry);
+ if (node->updated_slots == NULL)
+ node->updated_slots = zcalloc(CLUSTER_SLOTS * sizeof(int));
+ for (slot = from; slot <= to; slot++)
+ node->updated_slots[node->updated_slots_count++] = slot;
+ }
+ updateClusterSlotsConfiguration();
+cleanup:
+ freeReplyObject(reply);
+ redisFree(ctx);
+ dictRelease(masters);
+ atomicSet(config.is_fetching_slots, 0);
+ return success;
+}
+
+/* Atomically update the new slots configuration. */
+static void updateClusterSlotsConfiguration(void) {
+ pthread_mutex_lock(&config.is_updating_slots_mutex);
+ atomicSet(config.is_updating_slots, 1);
+ int i;
+ for (i = 0; i < config.cluster_node_count; i++) {
+ clusterNode *node = config.cluster_nodes[i];
+ if (node->updated_slots != NULL) {
+ int *oldslots = node->slots;
+ node->slots = node->updated_slots;
+ node->slots_count = node->updated_slots_count;
+ node->current_slot_index = 0;
+ node->updated_slots = NULL;
+ node->updated_slots_count = 0;
+ zfree(oldslots);
+ }
+ }
+ atomicSet(config.is_updating_slots, 0);
+ atomicIncr(config.slots_last_update, 1);
+ pthread_mutex_unlock(&config.is_updating_slots_mutex);
+}
+
+/* Generate random data for redis benchmark. See #7196. */
+static void genBenchmarkRandomData(char *data, int count) {
+ static uint32_t state = 1234;
+ int i = 0;
+
+ while (count--) {
+ state = (state*1103515245+12345);
+ data[i++] = '0'+((state>>16)&63);
+ }
+}
+
+/* Returns number of consumed options. */
+int parseOptions(int argc, char **argv) {
+ int i;
+ int lastarg;
+ int exit_status = 1;
+ char *tls_usage;
+
+ for (i = 1; i < argc; i++) {
+ lastarg = (i == (argc-1));
+
+ if (!strcmp(argv[i],"-c")) {
+ if (lastarg) goto invalid;
+ config.numclients = atoi(argv[++i]);
+ } else if (!strcmp(argv[i],"-v") || !strcmp(argv[i], "--version")) {
+ sds version = benchmarkVersion();
+ printf("redis-benchmark %s\n", version);
+ sdsfree(version);
+ exit(0);
+ } else if (!strcmp(argv[i],"-n")) {
+ if (lastarg) goto invalid;
+ config.requests = atoi(argv[++i]);
+ } else if (!strcmp(argv[i],"-k")) {
+ if (lastarg) goto invalid;
+ config.keepalive = atoi(argv[++i]);
+ } else if (!strcmp(argv[i],"-h")) {
+ if (lastarg) goto invalid;
+ sdsfree(config.conn_info.hostip);
+ config.conn_info.hostip = sdsnew(argv[++i]);
+ } else if (!strcmp(argv[i],"-p")) {
+ if (lastarg) goto invalid;
+ config.conn_info.hostport = atoi(argv[++i]);
+ if (config.conn_info.hostport < 0 || config.conn_info.hostport > 65535) {
+ fprintf(stderr, "Invalid server port.\n");
+ exit(1);
+ }
+ } else if (!strcmp(argv[i],"-s")) {
+ if (lastarg) goto invalid;
+ config.hostsocket = strdup(argv[++i]);
+ } else if (!strcmp(argv[i],"-x")) {
+ config.stdinarg = 1;
+ } else if (!strcmp(argv[i],"-a") ) {
+ if (lastarg) goto invalid;
+ config.conn_info.auth = sdsnew(argv[++i]);
+ } else if (!strcmp(argv[i],"--user")) {
+ if (lastarg) goto invalid;
+ config.conn_info.user = sdsnew(argv[++i]);
+ } else if (!strcmp(argv[i],"-u") && !lastarg) {
+ parseRedisUri(argv[++i],"redis-benchmark",&config.conn_info,&config.tls);
+ if (config.conn_info.hostport < 0 || config.conn_info.hostport > 65535) {
+ fprintf(stderr, "Invalid server port.\n");
+ exit(1);
+ }
+ config.input_dbnumstr = sdsfromlonglong(config.conn_info.input_dbnum);
+ } else if (!strcmp(argv[i],"-3")) {
+ config.resp3 = 1;
+ } else if (!strcmp(argv[i],"-d")) {
+ if (lastarg) goto invalid;
+ config.datasize = atoi(argv[++i]);
+ if (config.datasize < 1) config.datasize=1;
+ if (config.datasize > 1024*1024*1024) config.datasize = 1024*1024*1024;
+ } else if (!strcmp(argv[i],"-P")) {
+ if (lastarg) goto invalid;
+ config.pipeline = atoi(argv[++i]);
+ if (config.pipeline <= 0) config.pipeline=1;
+ } else if (!strcmp(argv[i],"-r")) {
+ if (lastarg) goto invalid;
+ const char *next = argv[++i], *p = next;
+ if (*p == '-') {
+ p++;
+ if (*p < '0' || *p > '9') goto invalid;
+ }
+ config.randomkeys = 1;
+ config.randomkeys_keyspacelen = atoi(next);
+ if (config.randomkeys_keyspacelen < 0)
+ config.randomkeys_keyspacelen = 0;
+ } else if (!strcmp(argv[i],"-q")) {
+ config.quiet = 1;
+ } else if (!strcmp(argv[i],"--csv")) {
+ config.csv = 1;
+ } else if (!strcmp(argv[i],"-l")) {
+ config.loop = 1;
+ } else if (!strcmp(argv[i],"-I")) {
+ config.idlemode = 1;
+ } else if (!strcmp(argv[i],"-e")) {
+ fprintf(stderr,
+ "WARNING: -e option has no effect. "
+ "We now immediately exit on error to avoid false results.\n");
+ } else if (!strcmp(argv[i],"--seed")) {
+ if (lastarg) goto invalid;
+ int rand_seed = atoi(argv[++i]);
+ srandom(rand_seed);
+ init_genrand64(rand_seed);
+ } else if (!strcmp(argv[i],"-t")) {
+ if (lastarg) goto invalid;
+ /* We get the list of tests to run as a string in the form
+ * get,set,lrange,...,test_N. Then we add a comma before and
+ * after the string in order to make sure that searching
+ * for ",testname," will always get a match if the test is
+ * enabled. */
+ config.tests = sdsnew(",");
+ config.tests = sdscat(config.tests,(char*)argv[++i]);
+ config.tests = sdscat(config.tests,",");
+ sdstolower(config.tests);
+ } else if (!strcmp(argv[i],"--dbnum")) {
+ if (lastarg) goto invalid;
+ config.conn_info.input_dbnum = atoi(argv[++i]);
+ config.input_dbnumstr = sdsfromlonglong(config.conn_info.input_dbnum);
+ } else if (!strcmp(argv[i],"--precision")) {
+ if (lastarg) goto invalid;
+ config.precision = atoi(argv[++i]);
+ if (config.precision < 0) config.precision = DEFAULT_LATENCY_PRECISION;
+ if (config.precision > MAX_LATENCY_PRECISION) config.precision = MAX_LATENCY_PRECISION;
+ } else if (!strcmp(argv[i],"--threads")) {
+ if (lastarg) goto invalid;
+ config.num_threads = atoi(argv[++i]);
+ if (config.num_threads > MAX_THREADS) {
+ fprintf(stderr,
+ "WARNING: Too many threads, limiting threads to %d.\n",
+ MAX_THREADS);
+ config.num_threads = MAX_THREADS;
+ } else if (config.num_threads < 0) config.num_threads = 0;
+ } else if (!strcmp(argv[i],"--cluster")) {
+ config.cluster_mode = 1;
+ } else if (!strcmp(argv[i],"--enable-tracking")) {
+ config.enable_tracking = 1;
+ } else if (!strcmp(argv[i],"--help")) {
+ exit_status = 0;
+ goto usage;
+ #ifdef USE_OPENSSL
+ } else if (!strcmp(argv[i],"--tls")) {
+ config.tls = 1;
+ } else if (!strcmp(argv[i],"--sni")) {
+ if (lastarg) goto invalid;
+ config.sslconfig.sni = strdup(argv[++i]);
+ } else if (!strcmp(argv[i],"--cacertdir")) {
+ if (lastarg) goto invalid;
+ config.sslconfig.cacertdir = strdup(argv[++i]);
+ } else if (!strcmp(argv[i],"--cacert")) {
+ if (lastarg) goto invalid;
+ config.sslconfig.cacert = strdup(argv[++i]);
+ } else if (!strcmp(argv[i],"--insecure")) {
+ config.sslconfig.skip_cert_verify = 1;
+ } else if (!strcmp(argv[i],"--cert")) {
+ if (lastarg) goto invalid;
+ config.sslconfig.cert = strdup(argv[++i]);
+ } else if (!strcmp(argv[i],"--key")) {
+ if (lastarg) goto invalid;
+ config.sslconfig.key = strdup(argv[++i]);
+ } else if (!strcmp(argv[i],"--tls-ciphers")) {
+ if (lastarg) goto invalid;
+ config.sslconfig.ciphers = strdup(argv[++i]);
+ #ifdef TLS1_3_VERSION
+ } else if (!strcmp(argv[i],"--tls-ciphersuites")) {
+ if (lastarg) goto invalid;
+ config.sslconfig.ciphersuites = strdup(argv[++i]);
+ #endif
+ #endif
+ } else {
+ /* Assume the user meant to provide an option when the arg starts
+ * with a dash. We're done otherwise and should use the remainder
+ * as the command and arguments for running the benchmark. */
+ if (argv[i][0] == '-') goto invalid;
+ return i;
+ }
+ }
+
+ return i;
+
+invalid:
+ printf("Invalid option \"%s\" or option argument missing\n\n",argv[i]);
+
+usage:
+ tls_usage =
+#ifdef USE_OPENSSL
+" --tls Establish a secure TLS connection.\n"
+" --sni <host> Server name indication for TLS.\n"
+" --cacert <file> CA Certificate file to verify with.\n"
+" --cacertdir <dir> Directory where trusted CA certificates are stored.\n"
+" If neither cacert nor cacertdir are specified, the default\n"
+" system-wide trusted root certs configuration will apply.\n"
+" --insecure Allow insecure TLS connection by skipping cert validation.\n"
+" --cert <file> Client certificate to authenticate with.\n"
+" --key <file> Private key file to authenticate with.\n"
+" --tls-ciphers <list> Sets the list of preferred ciphers (TLSv1.2 and below)\n"
+" in order of preference from highest to lowest separated by colon (\":\").\n"
+" See the ciphers(1ssl) manpage for more information about the syntax of this string.\n"
+#ifdef TLS1_3_VERSION
+" --tls-ciphersuites <list> Sets the list of preferred ciphersuites (TLSv1.3)\n"
+" in order of preference from highest to lowest separated by colon (\":\").\n"
+" See the ciphers(1ssl) manpage for more information about the syntax of this string,\n"
+" and specifically for TLSv1.3 ciphersuites.\n"
+#endif
+#endif
+"";
+
+ printf(
+"%s%s%s", /* Split to avoid strings longer than 4095 (-Woverlength-strings). */
+"Usage: redis-benchmark [OPTIONS] [COMMAND ARGS...]\n\n"
+"Options:\n"
+" -h <hostname> Server hostname (default 127.0.0.1)\n"
+" -p <port> Server port (default 6379)\n"
+" -s <socket> Server socket (overrides host and port)\n"
+" -a <password> Password for Redis Auth\n"
+" --user <username> Used to send ACL style 'AUTH username pass'. Needs -a.\n"
+" -u <uri> Server URI.\n"
+" -c <clients> Number of parallel connections (default 50).\n"
+" Note: If --cluster is used then number of clients has to be\n"
+" the same or higher than the number of nodes.\n"
+" -n <requests> Total number of requests (default 100000)\n"
+" -d <size> Data size of SET/GET value in bytes (default 3)\n"
+" --dbnum <db> SELECT the specified db number (default 0)\n"
+" -3 Start session in RESP3 protocol mode.\n"
+" --threads <num> Enable multi-thread mode.\n"
+" --cluster Enable cluster mode.\n"
+" If the command is supplied on the command line in cluster\n"
+" mode, the key must contain \"{tag}\". Otherwise, the\n"
+" command will not be sent to the right cluster node.\n"
+" --enable-tracking Send CLIENT TRACKING on before starting benchmark.\n"
+" -k <boolean> 1=keep alive 0=reconnect (default 1)\n"
+" -r <keyspacelen> Use random keys for SET/GET/INCR, random values for SADD,\n"
+" random members and scores for ZADD.\n"
+" Using this option the benchmark will expand the string\n"
+" __rand_int__ inside an argument with a 12 digits number in\n"
+" the specified range from 0 to keyspacelen-1. The\n"
+" substitution changes every time a command is executed.\n"
+" Default tests use this to hit random keys in the specified\n"
+" range.\n"
+" Note: If -r is omitted, all commands in a benchmark will\n"
+" use the same key.\n"
+" -P <numreq> Pipeline <numreq> requests. Default 1 (no pipeline).\n"
+" -q Quiet. Just show query/sec values\n"
+" --precision Number of decimal places to display in latency output (default 0)\n"
+" --csv Output in CSV format\n"
+" -l Loop. Run the tests forever\n"
+" -t <tests> Only run the comma separated list of tests. The test\n"
+" names are the same as the ones produced as output.\n"
+" The -t option is ignored if a specific command is supplied\n"
+" on the command line.\n"
+" -I Idle mode. Just open N idle connections and wait.\n"
+" -x Read last argument from STDIN.\n"
+" --seed <num> Set the seed for random number generator. Default seed is based on time.\n",
+tls_usage,
+" --help Output this help and exit.\n"
+" --version Output version and exit.\n\n"
+"Examples:\n\n"
+" Run the benchmark with the default configuration against 127.0.0.1:6379:\n"
+" $ redis-benchmark\n\n"
+" Use 20 parallel clients, for a total of 100k requests, against 192.168.1.1:\n"
+" $ redis-benchmark -h 192.168.1.1 -p 6379 -n 100000 -c 20\n\n"
+" Fill 127.0.0.1:6379 with about 1 million keys only using the SET test:\n"
+" $ redis-benchmark -t set -n 1000000 -r 100000000\n\n"
+" Benchmark 127.0.0.1:6379 for a few commands producing CSV output:\n"
+" $ redis-benchmark -t ping,set,get -n 100000 --csv\n\n"
+" Benchmark a specific command line:\n"
+" $ redis-benchmark -r 10000 -n 10000 eval 'return redis.call(\"ping\")' 0\n\n"
+" Fill a list with 10000 random elements:\n"
+" $ redis-benchmark -r 10000 -n 10000 lpush mylist __rand_int__\n\n"
+" On user specified command lines __rand_int__ is replaced with a random integer\n"
+" with a range of values selected by the -r option.\n"
+ );
+ exit(exit_status);
+}
+
+int showThroughput(struct aeEventLoop *eventLoop, long long id, void *clientData) {
+ UNUSED(eventLoop);
+ UNUSED(id);
+ benchmarkThread *thread = (benchmarkThread *)clientData;
+ int liveclients = 0;
+ int requests_finished = 0;
+ int previous_requests_finished = 0;
+ long long current_tick = mstime();
+ atomicGet(config.liveclients, liveclients);
+ atomicGet(config.requests_finished, requests_finished);
+ atomicGet(config.previous_requests_finished, previous_requests_finished);
+
+ if (liveclients == 0 && requests_finished != config.requests) {
+ fprintf(stderr,"All clients disconnected... aborting.\n");
+ exit(1);
+ }
+ if (config.num_threads && requests_finished >= config.requests) {
+ aeStop(eventLoop);
+ return AE_NOMORE;
+ }
+ if (config.csv) return SHOW_THROUGHPUT_INTERVAL;
+ /* only first thread output throughput */
+ if (thread != NULL && thread->index != 0) {
+ return SHOW_THROUGHPUT_INTERVAL;
+ }
+ if (config.idlemode == 1) {
+ printf("clients: %d\r", config.liveclients);
+ fflush(stdout);
+ return SHOW_THROUGHPUT_INTERVAL;
+ }
+ const float dt = (float)(current_tick-config.start)/1000.0;
+ const float rps = (float)requests_finished/dt;
+ const float instantaneous_dt = (float)(current_tick-config.previous_tick)/1000.0;
+ const float instantaneous_rps = (float)(requests_finished-previous_requests_finished)/instantaneous_dt;
+ config.previous_tick = current_tick;
+ atomicSet(config.previous_requests_finished,requests_finished);
+ printf("%*s\r", config.last_printed_bytes, " "); /* ensure there is a clean line */
+ int printed_bytes = printf("%s: rps=%.1f (overall: %.1f) avg_msec=%.3f (overall: %.3f)\r", config.title, instantaneous_rps, rps, hdr_mean(config.current_sec_latency_histogram)/1000.0f, hdr_mean(config.latency_histogram)/1000.0f);
+ config.last_printed_bytes = printed_bytes;
+ hdr_reset(config.current_sec_latency_histogram);
+ fflush(stdout);
+ return SHOW_THROUGHPUT_INTERVAL;
+}
+
+/* Return true if the named test was selected using the -t command line
+ * switch, or if all the tests are selected (no -t passed by user). */
+int test_is_selected(const char *name) {
+ char buf[256];
+ int l = strlen(name);
+
+ if (config.tests == NULL) return 1;
+ buf[0] = ',';
+ memcpy(buf+1,name,l);
+ buf[l+1] = ',';
+ buf[l+2] = '\0';
+ return strstr(config.tests,buf) != NULL;
+}
+
+int main(int argc, char **argv) {
+ int i;
+ char *data, *cmd, *tag;
+ int len;
+
+ client c;
+
+ srandom(time(NULL) ^ getpid());
+ init_genrand64(ustime() ^ getpid());
+ signal(SIGHUP, SIG_IGN);
+ signal(SIGPIPE, SIG_IGN);
+
+ memset(&config.sslconfig, 0, sizeof(config.sslconfig));
+ config.numclients = 50;
+ config.requests = 100000;
+ config.liveclients = 0;
+ config.el = aeCreateEventLoop(1024*10);
+ aeCreateTimeEvent(config.el,1,showThroughput,NULL,NULL);
+ config.keepalive = 1;
+ config.datasize = 3;
+ config.pipeline = 1;
+ config.randomkeys = 0;
+ config.randomkeys_keyspacelen = 0;
+ config.quiet = 0;
+ config.csv = 0;
+ config.loop = 0;
+ config.idlemode = 0;
+ config.clients = listCreate();
+ config.conn_info.hostip = sdsnew("127.0.0.1");
+ config.conn_info.hostport = 6379;
+ config.hostsocket = NULL;
+ config.tests = NULL;
+ config.conn_info.input_dbnum = 0;
+ config.stdinarg = 0;
+ config.conn_info.auth = NULL;
+ config.precision = DEFAULT_LATENCY_PRECISION;
+ config.num_threads = 0;
+ config.threads = NULL;
+ config.cluster_mode = 0;
+ config.cluster_node_count = 0;
+ config.cluster_nodes = NULL;
+ config.redis_config = NULL;
+ config.is_fetching_slots = 0;
+ config.is_updating_slots = 0;
+ config.slots_last_update = 0;
+ config.enable_tracking = 0;
+ config.resp3 = 0;
+
+ i = parseOptions(argc,argv);
+ argc -= i;
+ argv += i;
+
+ tag = "";
+
+#ifdef USE_OPENSSL
+ if (config.tls) {
+ cliSecureInit();
+ }
+#endif
+
+ if (config.cluster_mode) {
+ // We only include the slot placeholder {tag} if cluster mode is enabled
+ tag = ":{tag}";
+
+ /* Fetch cluster configuration. */
+ if (!fetchClusterConfiguration() || !config.cluster_nodes) {
+ if (!config.hostsocket) {
+ fprintf(stderr, "Failed to fetch cluster configuration from "
+ "%s:%d\n", config.conn_info.hostip, config.conn_info.hostport);
+ } else {
+ fprintf(stderr, "Failed to fetch cluster configuration from "
+ "%s\n", config.hostsocket);
+ }
+ exit(1);
+ }
+ if (config.cluster_node_count <= 1) {
+ fprintf(stderr, "Invalid cluster: %d node(s).\n",
+ config.cluster_node_count);
+ exit(1);
+ }
+ printf("Cluster has %d master nodes:\n\n", config.cluster_node_count);
+ int i = 0;
+ for (; i < config.cluster_node_count; i++) {
+ clusterNode *node = config.cluster_nodes[i];
+ if (!node) {
+ fprintf(stderr, "Invalid cluster node #%d\n", i);
+ exit(1);
+ }
+ printf("Master %d: ", i);
+ if (node->name) printf("%s ", node->name);
+ printf("%s:%d\n", node->ip, node->port);
+ node->redis_config = getRedisConfig(node->ip, node->port, NULL);
+ if (node->redis_config == NULL) {
+ fprintf(stderr, "WARNING: Could not fetch node CONFIG %s:%d\n",
+ node->ip, node->port);
+ }
+ }
+ printf("\n");
+ /* Automatically set thread number to node count if not specified
+ * by the user. */
+ if (config.num_threads == 0)
+ config.num_threads = config.cluster_node_count;
+ } else {
+ config.redis_config =
+ getRedisConfig(config.conn_info.hostip, config.conn_info.hostport, config.hostsocket);
+ if (config.redis_config == NULL) {
+ fprintf(stderr, "WARNING: Could not fetch server CONFIG\n");
+ }
+ }
+ if (config.num_threads > 0) {
+ pthread_mutex_init(&(config.liveclients_mutex), NULL);
+ pthread_mutex_init(&(config.is_updating_slots_mutex), NULL);
+ }
+
+ if (config.keepalive == 0) {
+ fprintf(stderr,
+ "WARNING: Keepalive disabled. You probably need "
+ "'echo 1 > /proc/sys/net/ipv4/tcp_tw_reuse' for Linux and "
+ "'sudo sysctl -w net.inet.tcp.msl=1000' for Mac OS X in order "
+ "to use a lot of clients/requests\n");
+ }
+ if (argc > 0 && config.tests != NULL) {
+ fprintf(stderr, "WARNING: Option -t is ignored.\n");
+ }
+
+ if (config.idlemode) {
+ printf("Creating %d idle connections and waiting forever (Ctrl+C when done)\n", config.numclients);
+ int thread_id = -1, use_threads = (config.num_threads > 0);
+ if (use_threads) {
+ thread_id = 0;
+ initBenchmarkThreads();
+ }
+ c = createClient("",0,NULL,thread_id); /* will never receive a reply */
+ createMissingClients(c);
+ if (use_threads) startBenchmarkThreads();
+ else aeMain(config.el);
+ /* and will wait for every */
+ }
+ if(config.csv){
+ printf("\"test\",\"rps\",\"avg_latency_ms\",\"min_latency_ms\",\"p50_latency_ms\",\"p95_latency_ms\",\"p99_latency_ms\",\"max_latency_ms\"\n");
+ }
+ /* Run benchmark with command in the remainder of the arguments. */
+ if (argc) {
+ sds title = sdsnew(argv[0]);
+ for (i = 1; i < argc; i++) {
+ title = sdscatlen(title, " ", 1);
+ title = sdscatlen(title, (char*)argv[i], strlen(argv[i]));
+ }
+ sds *sds_args = getSdsArrayFromArgv(argc, argv, 0);
+ if (!sds_args) {
+ fprintf(stderr, "Invalid quoted string\n");
+ return 1;
+ }
+ if (config.stdinarg) {
+ sds_args = sds_realloc(sds_args,(argc + 1) * sizeof(sds));
+ sds_args[argc] = readArgFromStdin();
+ argc++;
+ }
+ do {
+ len = redisFormatCommandArgv(&cmd,argc,(const char**)sds_args,NULL);
+ // adjust the datasize to the parsed command
+ config.datasize = len;
+ benchmark(title,cmd,len);
+ free(cmd);
+ } while(config.loop);
+ sdsfreesplitres(sds_args, argc);
+
+ sdsfree(title);
+ if (config.redis_config != NULL) freeRedisConfig(config.redis_config);
+ return 0;
+ }
+
+ /* Run default benchmark suite. */
+ data = zmalloc(config.datasize+1);
+ do {
+ genBenchmarkRandomData(data, config.datasize);
+ data[config.datasize] = '\0';
+
+ if (test_is_selected("ping_inline") || test_is_selected("ping"))
+ benchmark("PING_INLINE","PING\r\n",6);
+
+ if (test_is_selected("ping_mbulk") || test_is_selected("ping")) {
+ len = redisFormatCommand(&cmd,"PING");
+ benchmark("PING_MBULK",cmd,len);
+ free(cmd);
+ }
+
+ if (test_is_selected("set")) {
+ len = redisFormatCommand(&cmd,"SET key%s:__rand_int__ %s",tag,data);
+ benchmark("SET",cmd,len);
+ free(cmd);
+ }
+
+ if (test_is_selected("get")) {
+ len = redisFormatCommand(&cmd,"GET key%s:__rand_int__",tag);
+ benchmark("GET",cmd,len);
+ free(cmd);
+ }
+
+ if (test_is_selected("incr")) {
+ len = redisFormatCommand(&cmd,"INCR counter%s:__rand_int__",tag);
+ benchmark("INCR",cmd,len);
+ free(cmd);
+ }
+
+ if (test_is_selected("lpush")) {
+ len = redisFormatCommand(&cmd,"LPUSH mylist%s %s",tag,data);
+ benchmark("LPUSH",cmd,len);
+ free(cmd);
+ }
+
+ if (test_is_selected("rpush")) {
+ len = redisFormatCommand(&cmd,"RPUSH mylist%s %s",tag,data);
+ benchmark("RPUSH",cmd,len);
+ free(cmd);
+ }
+
+ if (test_is_selected("lpop")) {
+ len = redisFormatCommand(&cmd,"LPOP mylist%s",tag);
+ benchmark("LPOP",cmd,len);
+ free(cmd);
+ }
+
+ if (test_is_selected("rpop")) {
+ len = redisFormatCommand(&cmd,"RPOP mylist%s",tag);
+ benchmark("RPOP",cmd,len);
+ free(cmd);
+ }
+
+ if (test_is_selected("sadd")) {
+ len = redisFormatCommand(&cmd,
+ "SADD myset%s element:__rand_int__",tag);
+ benchmark("SADD",cmd,len);
+ free(cmd);
+ }
+
+ if (test_is_selected("hset")) {
+ len = redisFormatCommand(&cmd,
+ "HSET myhash%s element:__rand_int__ %s",tag,data);
+ benchmark("HSET",cmd,len);
+ free(cmd);
+ }
+
+ if (test_is_selected("spop")) {
+ len = redisFormatCommand(&cmd,"SPOP myset%s",tag);
+ benchmark("SPOP",cmd,len);
+ free(cmd);
+ }
+
+ if (test_is_selected("zadd")) {
+ char *score = "0";
+ if (config.randomkeys) score = "__rand_int__";
+ len = redisFormatCommand(&cmd,
+ "ZADD myzset%s %s element:__rand_int__",tag,score);
+ benchmark("ZADD",cmd,len);
+ free(cmd);
+ }
+
+ if (test_is_selected("zpopmin")) {
+ len = redisFormatCommand(&cmd,"ZPOPMIN myzset%s",tag);
+ benchmark("ZPOPMIN",cmd,len);
+ free(cmd);
+ }
+
+ if (test_is_selected("lrange") ||
+ test_is_selected("lrange_100") ||
+ test_is_selected("lrange_300") ||
+ test_is_selected("lrange_500") ||
+ test_is_selected("lrange_600"))
+ {
+ len = redisFormatCommand(&cmd,"LPUSH mylist%s %s",tag,data);
+ benchmark("LPUSH (needed to benchmark LRANGE)",cmd,len);
+ free(cmd);
+ }
+
+ if (test_is_selected("lrange") || test_is_selected("lrange_100")) {
+ len = redisFormatCommand(&cmd,"LRANGE mylist%s 0 99",tag);
+ benchmark("LRANGE_100 (first 100 elements)",cmd,len);
+ free(cmd);
+ }
+
+ if (test_is_selected("lrange") || test_is_selected("lrange_300")) {
+ len = redisFormatCommand(&cmd,"LRANGE mylist%s 0 299",tag);
+ benchmark("LRANGE_300 (first 300 elements)",cmd,len);
+ free(cmd);
+ }
+
+ if (test_is_selected("lrange") || test_is_selected("lrange_500")) {
+ len = redisFormatCommand(&cmd,"LRANGE mylist%s 0 499",tag);
+ benchmark("LRANGE_500 (first 500 elements)",cmd,len);
+ free(cmd);
+ }
+
+ if (test_is_selected("lrange") || test_is_selected("lrange_600")) {
+ len = redisFormatCommand(&cmd,"LRANGE mylist%s 0 599",tag);
+ benchmark("LRANGE_600 (first 600 elements)",cmd,len);
+ free(cmd);
+ }
+
+ if (test_is_selected("mset")) {
+ const char *cmd_argv[21];
+ cmd_argv[0] = "MSET";
+ sds key_placeholder = sdscatprintf(sdsnew(""),"key%s:__rand_int__",tag);
+ for (i = 1; i < 21; i += 2) {
+ cmd_argv[i] = key_placeholder;
+ cmd_argv[i+1] = data;
+ }
+ len = redisFormatCommandArgv(&cmd,21,cmd_argv,NULL);
+ benchmark("MSET (10 keys)",cmd,len);
+ free(cmd);
+ sdsfree(key_placeholder);
+ }
+
+ if (test_is_selected("xadd")) {
+ len = redisFormatCommand(&cmd,"XADD mystream%s * myfield %s", tag, data);
+ benchmark("XADD",cmd,len);
+ free(cmd);
+ }
+
+ if (!config.csv) printf("\n");
+ } while(config.loop);
+
+ zfree(data);
+ freeCliConnInfo(config.conn_info);
+ if (config.redis_config != NULL) freeRedisConfig(config.redis_config);
+
+ return 0;
+}