导致“无法为池分配内存"的原因是什么?在PHP中? [英] What is causing "Unable to allocate memory for pool" in PHP?

问题描述

我偶尔会遇到服务器的内存分配限制，尤其是对于像Wordpress这样过时的应用程序，但是却从未遇到过无法为池分配内存"和跟踪任何信息的麻烦.

I've occasionally run up against a server's memory allocation limit, particularly with a bloated application like Wordpress, but never encountered "Unable to allocate memory for pool" and having trouble tracking down any information.

有人知道这意味着什么吗?我尝试增加memory_limit失败.我也没有对该应用程序进行任何重大更改.有一天没有问题，第二天我遇到了这个错误.

Does anyone know what this means? I've tried increasing the memory_limit without success. I also haven't made any significant changes to the application. One day there was no problem, the next day I hit this error.

推荐答案

可能与APC有关.

Probably is APC related.

对于有此问题的人，请指定您的.ini设置.具体来说就是您的apc.mmap_file_mask设置.

For the people having this problem, please specify you .ini settings. Specifically your apc.mmap_file_mask setting.

对于文件支持的mmap，应将其设置为:

For file-backed mmap, it should be set to something like:

apc.mmap_file_mask=/tmp/apc.XXXXXX

要直接从/dev/zero映射，请使用:

To mmap directly from /dev/zero, use:

apc.mmap_file_mask=/dev/zero

对于兼容POSIX的共享内存支持的mmap，请使用:

For POSIX-compliant shared-memory-backed mmap, use:

apc.mmap_file_mask=/apc.shm.XXXXXX

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