W3 Total Cache
Unable to allocate memory for pool. (2 posts)

  1. sahaskatta
    Posted 3 years ago #

    I've been getting tons of the following error appearing in my Apache error.log.

    PHP Warning: apc_store(): Unable to allocate memory for pool. in /home/username/www/mysitedir/wp-content/plugins/w3-total-cache/lib/W3/Cache/Apc.php on line 55

    I have NewRelic enabled and this error appears to arise from requesting just about any template including index.php, single.php, etc.

    I've increased the apc.shm_size to 256M in php.ini and that hasn't solved the issue.

    Any tips on what I should attempt to debug from here?

    P.S. The submit bug report feature just shows the loading spinner indefinitely.


  2. transbetty
    Posted 3 years ago #

    Hello sahaskatta,

    having same problems. No solution yet, but I think it might be Zend Optimizer interfering with APC.

    Do you have Zend Optimizer running on your server?

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