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MEMORY command: HELP + dataset percentage (like in INFO).

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This commit is contained in:
antirez
2016-09-15 17:33:11 +02:00
parent 5443726d4d
commit e9629e148b
3 changed files with 20 additions and 8 deletions
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21
src/object.c
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@ -936,6 +936,12 @@ struct redisMemOverhead *getMemoryOverheadData(void) {
mh->overhead_total = mem_total;
mh->dataset = zmalloc_used - mem_total;
size_t net_usage = 1;
if (zmalloc_used > mh->startup_allocated)
net_usage = zmalloc_used - mh->startup_allocated;
mh->dataset_perc = (float)mh->dataset*100/net_usage;
return mh;
}
@ -974,7 +980,7 @@ void memoryCommand(client *c) {
} else if (!strcasecmp(c->argv[1]->ptr,"overhead") && c->argc == 2) {
struct redisMemOverhead *mh = getMemoryOverheadData();
addReplyMultiBulkLen(c,(8+mh->num_dbs)*2);
addReplyMultiBulkLen(c,(9+mh->num_dbs)*2);
addReplyBulkCString(c,"total.allocated");
addReplyLongLong(c,mh->total_allocated);
@ -1010,11 +1016,20 @@ void memoryCommand(client *c) {
addReplyBulkCString(c,"overhead.total");
addReplyLongLong(c,mh->overhead_total);
addReplyBulkCString(c,"dataset");
addReplyBulkCString(c,"dataset.bytes");
addReplyLongLong(c,mh->dataset);
addReplyBulkCString(c,"dataset.percentage");
addReplyDouble(c,mh->dataset_perc);
freeMemoryOverheadData(mh);
} else if (!strcasecmp(c->argv[1]->ptr,"help") && c->argc == 2) {
addReplyMultiBulkLen(c,2);
addReplyBulkCString(c,
"MEMORY USAGE <key> [SAMPLES <count>] - Estimate memory usage of key");
addReplyBulkCString(c,
"MEMORY OVERHEAD - Show memory usage details");
} else {
addReplyError(c,"Syntax error. Try MEMORY [usage <key>] | [overhead]");
addReplyError(c,"Syntax error. Try MEMORY HELP");
}
}