Support » Plugin: W3 Total Cache » object cache + memcache – apache error too many open files

  • I’m trying to get object cache using memcache working. With persistent connection enabled I almost immediately get an apache error: accept4(): Too many open files and the site becomes inaccessible.

    If I uncheck the “persistent connection” setting in object cache then the site runs well for awhile, and then suddenly it’ll go down with the error: accept4(): Too many open files in the Apache error log.

    Anyone else run into this issue? Is this a resource limitation, a server setting, or a bug in W3TC that isn’t closing files?

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