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MEMORY OVERHEAD implemented (using Oran Agra initial implementation).

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This code was extracted from @oranagra PR #3223 and modified in order
to provide only certain amounts of information compared to the original
code. It was also moved from DEBUG to the newly introduced MEMORY
command. Thanks to Oran for the implementation and the PR.

It implements detailed memory usage stats that can be useful in both
provisioning and troubleshooting memory usage in Redis.
This commit is contained in:
antirez
2016-09-13 17:39:22 +02:00
parent 89dec6921d
commit 8c84c962cf
3 changed files with 104 additions and 2 deletions
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3
src/server.c
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@ -274,7 +274,7 @@ struct redisCommand redisCommandTable[] = {
{"readwrite",readwriteCommand,1,"F",0,NULL,0,0,0,0,0},
{"dump",dumpCommand,2,"r",0,NULL,1,1,1,0,0},
{"object",objectCommand,3,"r",0,NULL,2,2,2,0,0},
{"memory",memoryCommand,3,"r",0,NULL,0,0,0,0,0},
{"memory",memoryCommand,-2,"r",0,NULL,0,0,0,0,0},
{"client",clientCommand,-2,"as",0,NULL,0,0,0,0,0},
{"eval",evalCommand,-3,"s",0,evalGetKeys,0,0,0,0,0},
{"evalsha",evalShaCommand,-3,"s",0,evalGetKeys,0,0,0,0,0},
@ -1860,6 +1860,7 @@ void initServer(void) {
slowlogInit();
latencyMonitorInit();
bioInit();
server.initial_memory_usage = zmalloc_used_memory();
}
/* Populates the Redis Command Table starting from the hard coded list