Provide percentage of memory peak used info.

This commit is contained in:
antirez 2016-09-16 10:43:19 +02:00
parent 309c2bcd1b
commit d9325ac6c8
3 changed files with 13 additions and 1 deletions

View File

@ -810,6 +810,7 @@ struct redisMemOverhead *getMemoryOverheadData(void) {
mh->total_allocated = zmalloc_used;
mh->startup_allocated = server.initial_memory_usage;
mh->peak_allocated = server.stat_peak_memory;
mem_total += server.initial_memory_usage;
mem = 0;
@ -889,6 +890,7 @@ struct redisMemOverhead *getMemoryOverheadData(void) {
if (zmalloc_used > mh->startup_allocated)
net_usage = zmalloc_used - mh->startup_allocated;
mh->dataset_perc = (float)mh->dataset*100/net_usage;
mh->peak_perc = (float)zmalloc_used*100/mh->peak_allocated;
return mh;
}
@ -988,7 +990,10 @@ void memoryCommand(client *c) {
} else if (!strcasecmp(c->argv[1]->ptr,"overhead") && c->argc == 2) {
struct redisMemOverhead *mh = getMemoryOverheadData();
addReplyMultiBulkLen(c,(9+mh->num_dbs)*2);
addReplyMultiBulkLen(c,(11+mh->num_dbs)*2);
addReplyBulkCString(c,"peak.allocated");
addReplyLongLong(c,mh->peak_allocated);
addReplyBulkCString(c,"total.allocated");
addReplyLongLong(c,mh->total_allocated);
@ -1030,6 +1035,9 @@ void memoryCommand(client *c) {
addReplyBulkCString(c,"dataset.percentage");
addReplyDouble(c,mh->dataset_perc);
addReplyBulkCString(c,"peak.percentage");
addReplyDouble(c,mh->peak_perc);
freeMemoryOverheadData(mh);
} else if (!strcasecmp(c->argv[1]->ptr,"allocator-stats") && c->argc == 2) {
#if defined(USE_JEMALLOC)

View File

@ -2837,6 +2837,7 @@ sds genRedisInfoString(char *section) {
"used_memory_rss_human:%s\r\n"
"used_memory_peak:%zu\r\n"
"used_memory_peak_human:%s\r\n"
"used_memory_peak_perc:%.2f%%\r\n"
"used_memory_overhead:%zu\r\n"
"used_memory_startup:%zu\r\n"
"used_memory_dataset:%zu\r\n"
@ -2857,6 +2858,7 @@ sds genRedisInfoString(char *section) {
used_memory_rss_hmem,
server.stat_peak_memory,
peak_hmem,
mh->peak_perc,
mh->overhead_total,
mh->startup_allocated,
mh->dataset,

View File

@ -772,6 +772,7 @@ typedef struct redisOpArray {
/* This structure is returned by the getMemoryOverheadData() function in
* order to return memory overhead information. */
struct redisMemOverhead {
size_t peak_allocated;
size_t total_allocated;
size_t startup_allocated;
size_t repl_backlog;
@ -781,6 +782,7 @@ struct redisMemOverhead {
size_t overhead_total;
size_t dataset;
float dataset_perc;
float peak_perc;
size_t num_dbs;
struct {
size_t dbid;