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Re: How can the number of parallel/redundant open streams/temp_files be controlled/limited?

Maxim Dounin
June 24, 2014 08:32PM
Hello!

On Tue, Jun 24, 2014 at 07:51:04PM -0400, Paul Schlie wrote:

> Thank you; however it appears to have no effect on reverse proxy_store'd static files?

Yes, it's part of the cache machinery. The proxy_store
functionality is dumb and just provides a way to store responses
received, nothing more.

> (Which seems odd, if it actually works for cached files; as both
> are first read into temp_files, being the root of the problem.)

See above (and below).

> Any idea on how to prevent multiple redundant streams and
> corresponding temp_files being created when reading/updating a
> reverse proxy'd static file from the backend?

You may try to do so using limit_conn, and may be error_page and
limit_req to introduce some delay. But unlikely it will be a
good / maintainable / easy to write solution.

> (Out of curiosity, why would anyone ever want many multiple
> redundant streams/temp_files ever opened by default?)

You never know if responses are going to be the same. The part
which knows (or, rather, tries to) is called "cache", and has
lots of directives to control it.

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

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Subject Author Posted

How can the number of parallel/redundant open streams/temp_files be controlled/limited?

Paul Schlie June 24, 2014 02:52PM

Re: How can the number of parallel/redundant open streams/temp_files be controlled/limited?

Maxim Dounin June 24, 2014 06:38PM

Re: How can the number of parallel/redundant open streams/temp_files be controlled/limited?

Paul Schlie June 24, 2014 07:52PM

Re: How can the number of parallel/redundant open streams/temp_files be controlled/limited?

Maxim Dounin June 24, 2014 08:32PM

Re: How can the number of parallel/redundant open streams/temp_files be controlled/limited?

Paul Schlie June 24, 2014 09:00PM

Re: How can the number of parallel/redundant open streams/temp_files be controlled/limited?

Paul Schlie June 24, 2014 11:00PM

Re: How can the number of parallel/redundant open streams/temp_files be controlled/limited?

Paul Schlie June 30, 2014 08:46PM

Re: How can the number of parallel/redundant open streams/temp_files be controlled/limited?

Paul Schlie June 30, 2014 09:16PM

Re: How can the number of parallel/redundant open streams/temp_files be controlled/limited?

Maxim Dounin June 30, 2014 09:34PM

Re: How can the number of parallel/redundant open streams/temp_files be controlled/limited?

Paul Schlie June 30, 2014 11:12PM

Re: How can the number of parallel/redundant open streams/temp_files be controlled/limited?

Maxim Dounin July 01, 2014 07:04AM

Re: How can the number of parallel/redundant open streams/temp_files be controlled/limited?

Paul Schlie July 01, 2014 08:46AM

Re: How can the number of parallel/redundant open streams/temp_files be controlled/limited?

Maxim Dounin July 01, 2014 09:22AM

Re: How can the number of parallel/redundant open streams/temp_files be controlled/limited?

Paul Schlie July 01, 2014 10:18AM

Re: How can the number of parallel/redundant open streams/temp_files be controlled/limited?

Maxim Dounin July 01, 2014 12:42PM

Re: How can the number of parallel/redundant open streams/temp_files be controlled/limited?

Paul Schlie July 01, 2014 04:14PM

Re: How can the number of parallel/redundant open streams/temp_files be controlled/limited?

Paul Schlie July 01, 2014 05:04PM



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