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Set a 3.5 GB maxmemory limit with noeviction policy if a 32 bit instance without user-provided memory limits is detected.

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antirez 2012-02-02 10:17:16 +01:00
parent 75eaac5c74
commit d876678b5e
1 changed files with 10 additions and 0 deletions
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10
src/redis.c
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@ -1095,6 +1095,16 @@ void initServer() {
}
}
/* 32 bit instances are limited to 4GB of address space, so if there is
* no explicit limit in the user provided configuration we set a limit
* at 3.5GB using maxmemory with 'noeviction' policy'. This saves
* useless crashes of the Redis instance. */
if (server.arch_bits == 32 && server.maxmemory == 0) {
redisLog(REDIS_WARNING,"Warning: 32 bit instance detected but no memory limit set. Setting 3.5 GB maxmemory limit with 'noeviction' policy now.");
server.maxmemory = 3584LL*(1024*1024); /* 3584 MB = 3.5 GB */
server.maxmemory_policy = REDIS_MAXMEMORY_NO_EVICTION;
}
if (server.cluster_enabled) clusterInit();
scriptingInit();
slowlogInit();