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c42c70f478
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225 Commits

Author SHA1 Message Date
Maxim Dounin
c42c70f478 Workaround for cpu hog on errors with cached connections. 
Just doing another connect isn't safe as peer.get() may expect peer.tries
to be strictly positive (this is the case e.g. with round robin with multiple
upstream servers).  Increment peer.tries to at least avoid cpu hog in
round robin balancer (with the patch alert will be seen instead).

This is not enough to fully address the problem though, hence TODO.  We
should be able to inform balancer that the error wasn't considered fatal
and it may make sense to retry the same peer.
 2011-09-15 18:12:58 +00:00
Maxim Dounin
d7c2673d3f API change: ngx_chain_update_chains() now requires pool. 
The ngx_chain_update_chains() needs pool to free chain links used for buffers
with non-matching tags.  Providing one helps to reduce memory consumption
for long-lived requests.
 2011-09-15 16:03:17 +00:00
Igor Sysoev
c2f852c260 update r3945 with more descriptive error message 2011-07-29 15:33:03 +00:00
Igor Sysoev
a3741fb24d finalizing with rc == 0 in unbuffered proxy mode caused nginx to wait 
for another send_timeout before actually closing client's connection
if client timed out while still talking to upstream server

patch by Maxim Dounin
 2011-07-22 13:30:16 +00:00
Igor Sysoev
6c3c3bbe42 fix segfault if cache key is larger than upstream buffer size 
patch by Lanshun Zhou
 2011-07-19 11:24:16 +00:00
Igor Sysoev
87ee007022 revert r3935 and fix "stalled cache updating" alert 
by freeing cache at upstream finalize phase
patch by Maxim Dounin
 2011-06-28 13:26:08 +00:00
Igor Sysoev
1788ec0c48 fix "stalled cache updating" alert, 
when non-cachable HEAD response did not not free an expired cache node
 2011-06-01 08:02:34 +00:00
Igor Sysoev
0d6283918f fix a broken cached response if bypass/no_cache directive values are different, 
the bug has been introduced in r3700
 2011-05-13 10:05:38 +00:00
Igor Sysoev
64efecc2b5 allow to use $upstream_... variables in SSI 2011-04-21 10:07:07 +00:00
Igor Sysoev
fde7d51392 fix case when a host in fastcgi_pass, scgi_pass, and uwsgi_pass 
is given by expression and refers to a defined upstream
 2011-04-04 10:43:21 +00:00
Igor Sysoev
9135a0e022 move debug logging inside ngx_http_file_cache_free() 2010-07-28 15:56:56 +00:00
Igor Sysoev
406a68003c several changes in cache cleanup handling: 
*) now ngx_http_file_cache_cleanup() uses ngx_http_file_cache_free()
*) ngx_http_file_cache_free() interface has been changed to accept r->cache
   ngx_http_file_cache_cleanup() must use r->cache, but not r, because
   there can be several r->cache's during request processing, r->cache may
   be NULL at request finalising, etc.
*) test if updating request does not complete correctly
 2010-07-28 15:49:34 +00:00
Igor Sysoev
6af21b7cda fix r3707: cache node should be freed be a response is not cached 2010-07-27 15:26:33 +00:00
Igor Sysoev
3cf3100977 fix typo 2010-07-27 13:04:13 +00:00
Igor Sysoev
f297d0dd27 an intercepted error code was not cached 2010-07-19 15:31:46 +00:00
Igor Sysoev
cc963cd7e2 style fix 2010-07-19 15:29:16 +00:00
Igor Sysoev
f7d659aa52 proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass 2010-07-19 09:36:04 +00:00
Igor Sysoev
6a47b43234 rename ngx_http_file_cache_create() to ngx_http_file_cache_new() 2010-07-16 10:01:49 +00:00
Igor Sysoev
9aa3d7f667 ngx_http_file_cache_create() 2010-07-15 14:01:02 +00:00
Igor Sysoev
f3870c66df use ngx_http_test_predicates(), ngx_http_set_predicate_slot() 
delete ngx_http_cache(), ngx_http_no_cache_set_slot()
 2010-07-14 11:15:45 +00:00
Igor Sysoev
0bd1809f05 treat Set-Cookie as a header that forbids caching 2010-07-02 09:49:27 +00:00
Igor Sysoev
7e14b50c28 use shared ngx_http_upstream_ignore_headers_masks[] 2010-07-02 09:25:38 +00:00
Igor Sysoev
de0b1d6f12 remove r->zero_in_uri 2010-05-24 12:35:10 +00:00
Igor Sysoev
9b2763a245 proxy_no_cache and fastcgi_no_cache 2010-05-24 11:01:05 +00:00
Igor Sysoev
402b2f07c2 do not cache response if it has "no-store" or "private" 
in "Cache-Control" header
 2010-05-14 12:04:58 +00:00
Igor Sysoev
05b1a8f1e3 ngx_str_set() and ngx_str_null() 2010-05-14 09:56:37 +00:00
Igor Sysoev
328df7a5cc use ngx_min() and ngx_max() 2010-05-14 09:55:33 +00:00
Igor Sysoev
5739072cfe fix segfault: ngx_http_upstream_cleanup() cleans r->cleanup, 
the bug had been introduced in r3419
 2010-05-14 09:22:58 +00:00
Igor Sysoev
4e20f24b5b delete u->cleanup mark, this fixes large values in $upstream_response_time, 
the bug had been introduced in r3007
 2010-01-29 16:45:14 +00:00
Igor Sysoev
e146ebd813 allow to handle 301/302 in error_page 2009-12-23 15:31:16 +00:00
Igor Sysoev
bd375b9566 fix typo 2009-12-23 14:22:17 +00:00
Igor Sysoev
601ab90cd4 fix handling cached HTTP/0.9 response 2009-11-29 20:48:01 +00:00
Igor Sysoev
8b816d88a9 change ngx_parse_addr() interface 2009-11-02 16:11:06 +00:00
Igor Sysoev
72e928755b proxy_bind, fastcgi_bind, and memcached_bind 2009-11-02 15:24:02 +00:00
Igor Sysoev
671236993a test comma separator in "Cache-Control" 2009-10-08 14:22:00 +00:00
Igor Sysoev
136dd8d1e6 use real file cache length, this fixes cache size counting for responses 
without "Content-Length" header and 304 responses.
 2009-10-07 12:55:58 +00:00
Igor Sysoev
65166cfa2f fix request counter in resolver handling, the bug was introduced in r3050 2009-09-28 12:31:47 +00:00
Igor Sysoev
a552ab476e check unsafe Destination 2009-09-25 09:30:06 +00:00
Igor Sysoev
12a7d493d4 fix request counter for X-Accel-Redirect, the bug was introduced in r3050 2009-09-13 13:45:32 +00:00
Igor Sysoev
3e751480b2 increase request counter before an upstream cleanup because the cleanup 
decreases the counter via ngx_http_finalize_request(r, NGX_DONE),
the bug was introduced in r3050
 2009-09-08 11:37:50 +00:00
Igor Sysoev
8013a83067 clean cache updating state if a response has uncacheable code or 
cache prohibitive headers
 2009-09-04 09:57:38 +00:00
Igor Sysoev
8b8e995eb8 do not create cache key in AIO invocation 2009-08-28 11:23:50 +00:00
Igor Sysoev
a39d4e1aee fix sending a cached file using AIO 2009-08-28 11:22:27 +00:00
Igor Sysoev
6fb506a215 directio_alignment 2009-08-28 08:15:55 +00:00
Igor Sysoev
a962506498 FreeBSD and Linux AIO support 2009-08-28 08:12:35 +00:00
Igor Sysoev
5297d456d8 axe r->connection->destroyed testing 2009-08-26 16:14:57 +00:00
Igor Sysoev
5374610ace process upstream ETag header 2009-08-23 16:10:39 +00:00
Igor Sysoev
9db33c9234 fix copy destination name length, introduced in r3025 2009-08-20 13:37:26 +00:00
Igor Sysoev
b7a09c5523 allow cross device temporary files atomic copying: 
*) ngx_copy_file()
*) delete ngx_ext_rename_file_t.log_rename_error and .rename_error fields
 2009-08-12 12:05:33 +00:00
Igor Sysoev
22fc3e656e fix segfault introduced in r3007 2009-08-07 13:16:42 +00:00