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Re: Cache manager occasionally stops deleting cached files

Maxim Dounin
February 19, 2016 08:30AM
Hello!

On Fri, Feb 19, 2016 at 08:00:54AM -0500, vedranf wrote:

[...]

> Thanks, I'll dig deeper. I do have 3rd party modules and there are
> occasional messages such as "worker process exited on signal 11", but they
> are rare, i'll try to figure out what causes them, but it'll take time.

So the problem with cache is clear - one worker crash is usually
enough to stop nginx from removing cache items based on max_size
sooner or later. You have to further debug crashes to fix things.

> However, now that this already happens, is it possible so somehow unlock all
> entries and start clean, but without removing all cached content? Or
> alternatively, can I delete the locked files manually as a workaround?

You need nginx to reload its cache matadata (as stored in
keys_zone). This can be done either with restart or binary
upgrade to the same nginx binary, see:

http://nginx.org/en/docs/control.html#upgrade

There is no need to delete cache files.

--
Maxim Dounin
http://nginx.org/

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Subject Author Posted

Cache manager occasionally stops deleting cached files

vedranf February 18, 2016 11:20AM

Re: Cache manager occasionally stops deleting cached files

Maxim Dounin February 18, 2016 12:12PM

Re: Cache manager occasionally stops deleting cached files

vedranf February 19, 2016 08:00AM

Re: Cache manager occasionally stops deleting cached files

Maxim Dounin February 19, 2016 08:30AM

Re: Cache manager occasionally stops deleting cached files

vergil February 25, 2016 05:46AM

Re: Cache manager occasionally stops deleting cached files

Maxim Dounin February 25, 2016 09:22AM

Re: Cache manager occasionally stops deleting cached files

vergil April 13, 2016 05:08AM



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