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File Name	File Size		Posted by	Date
graph_image.png	49.7 KB	open | download	Roman Vasilyev	02/11/2011	Read message

Please find memory usage graph attached.
Last graph with fastcgi turned off and killed perl.
On 02/11/2011 12:39 PM, Roman Vasilyev wrote:
> Also let me show my fastcgi parameters:
> fastcgi_connect_timeout 60;
> fastcgi_send_timeout 180;
> fastcgi_read_timeout 180;
> fastcgi_buffers 4 256k;
> fastcgi_buffer_size 256k;
> fastcgi_busy_buffers_size 256k;
> fastcgi_temp_file_write_size 256k;
> fastcgi_intercept_errors on;
>
>
> Actually I don't know which extra buffers here user, is it some
> lua_buffers?
> On 02/10/2011 07:55 PM, agentzh wrote:
>> On Fri, Feb 11, 2011 at 2:12 AM, Akins,
>> Brian<Brian.Akins@turner.com> wrote:
>>> agentzh,
>>>
>>> I was wondering if you had considered having a capture mode that used a
>>> callback rather than coroutines? In really high traffic servers, the
>>> coroutines seem to eat a good bit of memory.
>>>
>> Have you tried LuaJIT 2.0? It saves 25+% of the total RAM used by our
>> nginx worker processes in our business, compared to the standard Lua
>> 5.1 interpreter. Also the latter's coroutine implementation is
>> suboptimal.
>>
>> Another issue is that most of the upstream modules do not release its
>> output bufs as early as possible in the context of subrequests, they
>> usually rely on the nginx memory pool to release all those bufs when
>> the pool is destroyed at the end of the main request, which is quite
>> unacceptable. We'll fix our upstream modules and possibly other
>> standard modules (via patches) to release buffers at the end of the
>> subrequest, rather than main request.
>>
>> Technically speaking, callbacks won't save memory, we still need to
>> save all your Lua context such that you can get access to data in the
>> outer context in your Lua callback, or it'll be useless :)
>>
>> Cheers,
>> -agentzh
>>
>> _______________________________________________
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>> nginx@nginx.org
>> http://nginx.org/mailman/listinfo/nginx
>
>
> _______________________________________________
> nginx mailing list
> nginx@nginx.org
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