W3 Total Cache
[resolved] apc_store(): Potential cache slam averted (5 posts)

  1. Sujay
    Posted 5 years ago #

    Been getting a lot of these in my apache error logs regarding APC & W3TC.

    [Thu Dec 02 03:59:32 2010] [error] [client] PHP Warning: apc_store(): Potential cache slam averted for key 'w3tc_039d02f8a4c19d927cf3aae9734613fa_object_b32188885056bd3a650b6a521698b57c' in /home/**User**/public_html/wp-content/plugins/w3-total-cache/lib/W3/Cache/Apc.php on line 40

    Any ideas?

  2. Try increasing apc_shm_size to around 128M

  3. Frederick Townes
    Plugin Author

    Posted 4 years ago #

    @Sujay, did @c3mdigital's suggestion work for you?

  4. a1wsn
    Posted 4 years ago #

    I believe apc_shm_size is not relevant to this problem, it's most likely due to a reported bug in APC. I always had this problem on my server and after upgrading APC to the newest version (3.1.6) it appears to be solved.

  5. ovidiubica
    Posted 4 years ago #

    You should look at your APC statistics. Most likely you reached 100% fragmentation.

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