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CONFIG SET maxclients.

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This commit is contained in:
antirez
2013-06-28 17:08:03 +02:00
parent 8e2d082066
commit de9a221749
3 changed files with 34 additions and 4 deletions
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31
src/config.c
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@ -559,10 +559,35 @@ void configSetCommand(redisClient *c) {
}
freeMemoryIfNeeded();
}
} else if (!strcasecmp(c->argv[2]->ptr,"maxclients")) {
int orig_value = server.maxclients;
if (getLongLongFromObject(o,&ll) == REDIS_ERR || ll < 0) goto badfmt;
/* Try to check if the OS is capable of supporting so many FDs. */
server.maxclients = ll;
if (ll > orig_value) {
adjustOpenFilesLimit();
if (server.maxclients != ll) {
addReplyErrorFormat(c,"The operating system is not able to handle the specified number of clients, try with %d", server.maxclients);
server.maxclients = orig_value;
return;
}
if (aeGetSetSize(server.el) <
server.maxclients + REDIS_EVENTLOOP_FDSET_INCR)
{
if (aeResizeSetSize(server.el,
server.maxclients + REDIS_EVENTLOOP_FDSET_INCR) == AE_ERR)
{
addReplyError(c,"The event loop API used by Redis is not able to handle the specified number of clients");
server.maxclients = orig_value;
return;
}
}
}
} else if (!strcasecmp(c->argv[2]->ptr,"hz")) {
if (getLongLongFromObject(o,&ll) == REDIS_ERR ||
ll < 0) goto badfmt;
server.hz = (int) ll;
if (getLongLongFromObject(o,&ll) == REDIS_ERR || ll < 0) goto badfmt;
server.hz = ll;
if (server.hz < REDIS_MIN_HZ) server.hz = REDIS_MIN_HZ;
if (server.hz > REDIS_MAX_HZ) server.hz = REDIS_MAX_HZ;
} else if (!strcasecmp(c->argv[2]->ptr,"maxmemory-policy")) {