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-rw-r--r--daemon/global_statistics.c219
1 files changed, 219 insertions, 0 deletions
diff --git a/daemon/global_statistics.c b/daemon/global_statistics.c
index 9933d0dfb..9cc05abb7 100644
--- a/daemon/global_statistics.c
+++ b/daemon/global_statistics.c
@@ -530,4 +530,223 @@ void global_statistics_charts(void) {
rrdset_done(st_rrdr_points);
}
+
+ // ----------------------------------------------------------------
+
+#ifdef ENABLE_DBENGINE
+ if (localhost->rrd_memory_mode == RRD_MEMORY_MODE_DBENGINE) {
+ unsigned long long stats_array[27];
+
+ /* get localhost's DB engine's statistics */
+ rrdeng_get_27_statistics(localhost->rrdeng_ctx, stats_array);
+
+ // ----------------------------------------------------------------
+
+ {
+ static RRDSET *st_compression = NULL;
+ static RRDDIM *rd_savings = NULL;
+
+ if (unlikely(!st_compression)) {
+ st_compression = rrdset_create_localhost(
+ "netdata"
+ , "dbengine_compression_ratio"
+ , NULL
+ , "dbengine"
+ , NULL
+ , "NetData DB engine data extents' compression savings ratio"
+ , "percentage"
+ , "netdata"
+ , "stats"
+ , 130502
+ , localhost->rrd_update_every
+ , RRDSET_TYPE_LINE
+ );
+
+ rd_savings = rrddim_add(st_compression, "savings", NULL, 1, 1000, RRD_ALGORITHM_ABSOLUTE);
+ }
+ else
+ rrdset_next(st_compression);
+
+ unsigned long long ratio;
+ unsigned long long compressed_content_size = stats_array[12];
+ unsigned long long content_size = stats_array[11];
+
+ if (content_size) {
+ // allow negative savings
+ ratio = ((content_size - compressed_content_size) * 100 * 1000) / content_size;
+ } else {
+ ratio = 0;
+ }
+ rrddim_set_by_pointer(st_compression, rd_savings, ratio);
+
+ rrdset_done(st_compression);
+ }
+
+ // ----------------------------------------------------------------
+
+ {
+ static RRDSET *st_pg_cache_hit_ratio = NULL;
+ static RRDDIM *rd_hit_ratio = NULL;
+
+ if (unlikely(!st_pg_cache_hit_ratio)) {
+ st_pg_cache_hit_ratio = rrdset_create_localhost(
+ "netdata"
+ , "page_cache_hit_ratio"
+ , NULL
+ , "dbengine"
+ , NULL
+ , "NetData DB engine page cache hit ratio"
+ , "percentage"
+ , "netdata"
+ , "stats"
+ , 130503
+ , localhost->rrd_update_every
+ , RRDSET_TYPE_LINE
+ );
+
+ rd_hit_ratio = rrddim_add(st_pg_cache_hit_ratio, "ratio", NULL, 1, 1000, RRD_ALGORITHM_ABSOLUTE);
+ }
+ else
+ rrdset_next(st_pg_cache_hit_ratio);
+
+ static unsigned long long old_hits = 0;
+ static unsigned long long old_misses = 0;
+ unsigned long long hits = stats_array[7];
+ unsigned long long misses = stats_array[8];
+ unsigned long long hits_delta;
+ unsigned long long misses_delta;
+ unsigned long long ratio;
+
+ hits_delta = hits - old_hits;
+ misses_delta = misses - old_misses;
+ old_hits = hits;
+ old_misses = misses;
+
+ if (hits_delta + misses_delta) {
+ // allow negative savings
+ ratio = (hits_delta * 100 * 1000) / (hits_delta + misses_delta);
+ } else {
+ ratio = 0;
+ }
+ rrddim_set_by_pointer(st_pg_cache_hit_ratio, rd_hit_ratio, ratio);
+
+ rrdset_done(st_pg_cache_hit_ratio);
+ }
+
+ // ----------------------------------------------------------------
+
+ {
+ static RRDSET *st_pg_cache_pages = NULL;
+ static RRDDIM *rd_populated = NULL;
+ static RRDDIM *rd_commited = NULL;
+ static RRDDIM *rd_insertions = NULL;
+ static RRDDIM *rd_deletions = NULL;
+ static RRDDIM *rd_backfills = NULL;
+ static RRDDIM *rd_evictions = NULL;
+
+ if (unlikely(!st_pg_cache_pages)) {
+ st_pg_cache_pages = rrdset_create_localhost(
+ "netdata"
+ , "page_cache_stats"
+ , NULL
+ , "dbengine"
+ , NULL
+ , "NetData DB engine page statistics"
+ , "pages"
+ , "netdata"
+ , "stats"
+ , 130504
+ , localhost->rrd_update_every
+ , RRDSET_TYPE_LINE
+ );
+
+ rd_populated = rrddim_add(st_pg_cache_pages, "populated", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
+ rd_commited = rrddim_add(st_pg_cache_pages, "commited", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
+ rd_insertions = rrddim_add(st_pg_cache_pages, "insertions", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+ rd_deletions = rrddim_add(st_pg_cache_pages, "deletions", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
+ rd_backfills = rrddim_add(st_pg_cache_pages, "backfills", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+ rd_evictions = rrddim_add(st_pg_cache_pages, "evictions", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
+ }
+ else
+ rrdset_next(st_pg_cache_pages);
+
+ rrddim_set_by_pointer(st_pg_cache_pages, rd_populated, (collected_number)stats_array[3]);
+ rrddim_set_by_pointer(st_pg_cache_pages, rd_commited, (collected_number)stats_array[4]);
+ rrddim_set_by_pointer(st_pg_cache_pages, rd_insertions, (collected_number)stats_array[5]);
+ rrddim_set_by_pointer(st_pg_cache_pages, rd_deletions, (collected_number)stats_array[6]);
+ rrddim_set_by_pointer(st_pg_cache_pages, rd_backfills, (collected_number)stats_array[9]);
+ rrddim_set_by_pointer(st_pg_cache_pages, rd_evictions, (collected_number)stats_array[10]);
+ rrdset_done(st_pg_cache_pages);
+ }
+
+ // ----------------------------------------------------------------
+
+ {
+ static RRDSET *st_io_stats = NULL;
+ static RRDDIM *rd_reads = NULL;
+ static RRDDIM *rd_writes = NULL;
+
+ if (unlikely(!st_io_stats)) {
+ st_io_stats = rrdset_create_localhost(
+ "netdata"
+ , "dbengine_io_throughput"
+ , NULL
+ , "dbengine"
+ , NULL
+ , "NetData DB engine I/O throughput"
+ , "MiB/s"
+ , "netdata"
+ , "stats"
+ , 130505
+ , localhost->rrd_update_every
+ , RRDSET_TYPE_LINE
+ );
+
+ rd_reads = rrddim_add(st_io_stats, "reads", NULL, 1, 1024 * 1024, RRD_ALGORITHM_INCREMENTAL);
+ rd_writes = rrddim_add(st_io_stats, "writes", NULL, -1, 1024 * 1024, RRD_ALGORITHM_INCREMENTAL);
+ }
+ else
+ rrdset_next(st_io_stats);
+
+ rrddim_set_by_pointer(st_io_stats, rd_reads, (collected_number)stats_array[17]);
+ rrddim_set_by_pointer(st_io_stats, rd_writes, (collected_number)stats_array[15]);
+ rrdset_done(st_io_stats);
+ }
+
+ // ----------------------------------------------------------------
+
+ {
+ static RRDSET *st_io_stats = NULL;
+ static RRDDIM *rd_reads = NULL;
+ static RRDDIM *rd_writes = NULL;
+
+ if (unlikely(!st_io_stats)) {
+ st_io_stats = rrdset_create_localhost(
+ "netdata"
+ , "dbengine_io_operations"
+ , NULL
+ , "dbengine"
+ , NULL
+ , "NetData DB engine I/O operations"
+ , "operations/s"
+ , "netdata"
+ , "stats"
+ , 130506
+ , localhost->rrd_update_every
+ , RRDSET_TYPE_LINE
+ );
+
+ rd_reads = rrddim_add(st_io_stats, "reads", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+ rd_writes = rrddim_add(st_io_stats, "writes", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
+ }
+ else
+ rrdset_next(st_io_stats);
+
+ rrddim_set_by_pointer(st_io_stats, rd_reads, (collected_number)stats_array[18]);
+ rrddim_set_by_pointer(st_io_stats, rd_writes, (collected_number)stats_array[16]);
+ rrdset_done(st_io_stats);
+ }
+ }
+#endif
+
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-21 04:57:07 +0000