nginx cache - could not allocate node in cache keys zone

[Richard Stanway]

At a guess I would say your key zone is full. Try increasing the size of it.

On Thu, Mar 10, 2016 at 8:07 PM, CJ Ess <zxcvbn4038 at gmail.com> wrote:

> 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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