Maxim Dounin a890b313f3 Buffers reuse in chunked filter.
There were 2 buffers allocated on each buffer chain sent through chunked
filter (one buffer for chunk size, another one for trailing CRLF, about
120 bytes in total on 32-bit platforms).  This resulted in large memory
consumption with long-lived requests sending many buffer chains.  Usual
example of problematic scenario is streaming though proxy with
proxy_buffering set to off.

Introduced buffers reuse reduces memory consumption in the above problematic
scenario.

See here for initial report:
http://mailman.nginx.org/pipermail/nginx/2010-April/019814.html
2011-09-15 15:25:42 +00:00
2011-09-09 10:22:34 +00:00
2011-09-09 10:25:43 +00:00
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2011-09-15 08:59:38 +00:00
2011-09-15 15:25:42 +00:00
2011-09-14 15:00:51 +00:00
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