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Re: strange nginx hang after ~18600 requests

Maxim Dounin
December 18, 2012 10:46AM
Hello!

On Tue, Dec 18, 2012 at 10:24:59AM -0500, gadh wrote:

> I'm developing a module that uses a handler module and header+body filter
> module
> at my handler phase (registered in the nginx rewrite phase) i stop the
> request (return NGX_OK), then issue a subrequest to another server, get the
> result back (hook function), then continue to the header+body filter, change
> the headers + body and calls the next filters accordingly.
> also, the subrequest runs thru a proxy , here's the relevant conf lines:

[...]

> but almost exactly after 18500-18600 reuests (that ran smoothly without any
> errors, debug level INFO with printouts of my own) - the nginx hangs - not
> stuck - since i see in debug level "debug" its epoll loop runing ok, but not
> recv nor proceesing any other requests although they continue to come from
> my ab test
>
> any suggestions please ?

Most likely your module causes some resouce leak, which later
results in a hang. Hard to say more without seeing the code which
causes the problem.

--
Maxim Dounin
http://nginx.com/support.html

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Subject Author Posted

strange nginx hang after ~18600 requests

gadh December 18, 2012 10:24AM

Re: strange nginx hang after ~18600 requests

gadh December 18, 2012 10:26AM

Re: strange nginx hang after ~18600 requests

Maxim Dounin December 18, 2012 10:46AM

Re: strange nginx hang after ~18600 requests

gadh December 18, 2012 10:54AM

Re: strange nginx hang after ~18600 requests

gadh December 18, 2012 11:32AM

Re: strange nginx hang after ~18600 requests

Maxim Dounin December 18, 2012 11:52AM

Re: strange nginx hang after ~18600 requests

gadh December 19, 2012 04:17AM

Re: strange nginx hang after ~18600 requests

gadh December 19, 2012 04:00AM

Re: strange nginx hang after ~18600 requests

Maxim Dounin December 19, 2012 05:50AM



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