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#include <gtest/gtest.h>
#include "include/Context.h"
#include "rocksdb/db.h"
#include "rocksdb/env.h"
#include "rocksdb/thread_status.h"
#include "kv/RocksDBStore.h"
#include <iostream>
using namespace std;
const string dir("rocksdb.test_temp_dir");
TEST(RocksDBOption, simple) {
rocksdb::Options options;
rocksdb::Status status;
map<string,string> kvoptions;
RocksDBStore *db = new RocksDBStore(g_ceph_context, dir, kvoptions, NULL);
string options_string = ""
"write_buffer_size=536870912;"
"create_if_missing=true;"
"max_write_buffer_number=4;"
"max_background_compactions=4;"
"stats_dump_period_sec = 5;"
"min_write_buffer_number_to_merge = 2;"
"level0_file_num_compaction_trigger = 4;"
"max_bytes_for_level_base = 104857600;"
"target_file_size_base = 10485760;"
"num_levels = 3;"
"compression = kNoCompression;"
"compaction_options_universal = {min_merge_width=4;size_ratio=2;max_size_amplification_percent=500}";
int r = db->ParseOptionsFromString(options_string, options);
ASSERT_EQ(0, r);
ASSERT_EQ(536870912u, options.write_buffer_size);
ASSERT_EQ(4, options.max_write_buffer_number);
ASSERT_EQ(4, options.max_background_compactions);
ASSERT_EQ(5u, options.stats_dump_period_sec);
ASSERT_EQ(2, options.min_write_buffer_number_to_merge);
ASSERT_EQ(4, options.level0_file_num_compaction_trigger);
ASSERT_EQ(104857600u, options.max_bytes_for_level_base);
ASSERT_EQ(10485760u, options.target_file_size_base);
ASSERT_EQ(3, options.num_levels);
ASSERT_EQ(rocksdb::kNoCompression, options.compression);
ASSERT_EQ(2, options.compaction_options_universal.size_ratio);
ASSERT_EQ(4, options.compaction_options_universal.min_merge_width);
ASSERT_EQ(500, options.compaction_options_universal.max_size_amplification_percent);
}
TEST(RocksDBOption, interpret) {
rocksdb::Options options;
rocksdb::Status status;
map<string,string> kvoptions;
RocksDBStore *db = new RocksDBStore(g_ceph_context, dir, kvoptions, NULL);
string options_string = "compact_on_mount = true; compaction_threads=10;flusher_threads=5;";
int r = db->ParseOptionsFromString(options_string, options);
ASSERT_EQ(0, r);
ASSERT_TRUE(db->compact_on_mount);
//check thread pool setting
options.env->SleepForMicroseconds(100000);
std::vector<rocksdb::ThreadStatus> thread_list;
status = options.env->GetThreadList(&thread_list);
ASSERT_TRUE(status.ok());
int num_high_pri_threads = 0;
int num_low_pri_threads = 0;
for (vector<rocksdb::ThreadStatus>::iterator it = thread_list.begin();
it!= thread_list.end();
++it) {
if (it->thread_type == rocksdb::ThreadStatus::HIGH_PRIORITY)
num_high_pri_threads++;
if (it->thread_type == rocksdb::ThreadStatus::LOW_PRIORITY)
num_low_pri_threads++;
}
ASSERT_EQ(15u, thread_list.size());
//low pri threads is compaction_threads
ASSERT_EQ(10, num_low_pri_threads);
//high pri threads is flusher_threads
ASSERT_EQ(5, num_high_pri_threads);
}
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