max_queue_size > 65536

Arran Cudbard-Bell a.cudbardb at
Mon Sep 17 16:19:28 CEST 2012

A friendly heads up.

The bug fixes item "Use max_queue_size in threading code" refers to an issue in the threading code where the value used to initialise the request queue, was different to the value used to check when the max entries had been added into the queue, thus if you'd set the config item max_queue_size to something larger than 65536 and actually used more than that number of queue slots the server would crash.

This config item was previously undocumented so hopefully few people have altered it.

If you have and you're using a version < 2.2.0, please remove the config item to set it back to defaults, or set it to a value less  than 65536.


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