nginx cache - could not allocate node in cache keys zone

[CJ Ess]

This is nginx/1.9.0 BTW


On Thu, Mar 10, 2016 at 2:06 PM, CJ Ess <zxcvbn4038 at gmail.com> wrote:

> Same condition on two more of the servers in the same pool. Reload doesn't
> resolve the issue, but restart does. No limit being hit on disk space,
> inodes, open files, or memory.
>
>
> On Thu, Mar 10, 2016 at 12:12 PM, CJ Ess <zxcvbn4038 at gmail.com> wrote:
>
>> I have four servers in a pool running nginx with proxy_cache. One of the
>> nodes started spewing "could not allocate node in cache keys zone" errors
>> for every request (which gave 500 status). I did a restart and it started
>> working again.
>>
>> What conditions cause that error in general?
>>
>> If it happens again is there anything I can do to try and determine the
>> root cause?
>>
>>
>
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