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Re: upstream keepalive - call for testing

All files from this thread

File Name File Size   Posted by Date  
upstream.patch 2.3 KB open | download Matthieu Tourne 08/12/2011 Read message
ngx_http_upstream_keepalive.patch 542 bytes open | download Matthieu Tourne 08/12/2011 Read message
upstream.patch 2.6 KB open | download Matthieu Tourne 08/12/2011 Read message
August 26, 2011 07:01AM
Hello, I got it

2011/08/26 18:59:27 [alert] 6564#0: worker process 6565 exited on signal 11 (core dumped)

cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=11.04
DISTRIB_CODENAME=natty
DISTRIB_DESCRIPTION="Ubuntu 11.04"

=====================================================
uname -a
Linux sunlight 2.6.38-10-server #46-Ubuntu SMP Tue Jun 28 16:31:00 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux

=====================================================
nginx -v
nginx: nginx version: nginx/1.1.0

=====================================================
gdb `which nginx` core
GNU gdb (Ubuntu/Linaro 7.2-1ubuntu11) 7.2
Copyright (C) 2010 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later http://gnu.org/licenses/gpl.html
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
For bug reporting instructions, please see:
http://www.gnu.org/software/gdb/bugs/...
Reading symbols from /usr/sbin/nginx...done.
BFD: Warning: /var/www/ngx_coredump/core is truncated: expected core file size >= 2724024320, found: 2103255040.
[New Thread 6565]
Cannot access memory at address 0x7f9558f332c8
Cannot access memory at address 0x7f9558f332c8
Cannot access memory at address 0x7f9558f332c8
Reading symbols from /lib64/ld-linux-x86-64.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib64/ld-linux-x86-64.so.2
Failed to read a valid object file image from memory.
Core was generated by `nginx:'.
Program terminated with signal 11, Segmentation fault.
#0 0x000000000040cff5 in ngx_vslprintf (buf=Cannot access memory at address 0x7ffffd348fc8
) at src/core/ngx_string.c:253
253 while (*p && buf < last) {
(gdb) bt
#0 0x000000000040cff5 in ngx_vslprintf (buf=Cannot access memory at address 0x7ffffd348fc8
) at src/core/ngx_string.c:253
Cannot access memory at address 0x7ffffd349068
(gdb) backtrace full
#0 0x000000000040cff5 in ngx_vslprintf (buf=Cannot access memory at address 0x7ffffd348fc8
) at src/core/ngx_string.c:253
p = <error reading variable p (Cannot access memory at address 0x7ffffd349050)>
zero = <error reading variable zero (Cannot access memory at address 0x7ffffd34905f)>
d = <error reading variable d (Cannot access memory at address 0x7ffffd349058)>
f = <error reading variable f (Cannot access memory at address 0x7ffffd349048)>
scale = <error reading variable scale (Cannot access memory at address 0x7ffffd349040)>
len = <error reading variable len (Cannot access memory at address 0x7ffffd348fe8)>
slen = <error reading variable slen (Cannot access memory at address 0x7ffffd349038)>
i64 = <error reading variable i64 (Cannot access memory at address 0x7ffffd349030)>
ui64 = <error reading variable ui64 (Cannot access memory at address 0x7ffffd349028)>
ms = <error reading variable ms (Cannot access memory at address 0x7ffffd348fd8)>
width = <error reading variable width (Cannot access memory at address 0x7ffffd349020)>
sign = <error reading variable sign (Cannot access memory at address 0x7ffffd349018)>
hex = <error reading variable hex (Cannot access memory at address 0x7ffffd349010)>
max_width = <error reading variable max_width (Cannot access memory at address 0x7ffffd349008)>
frac_width = <error reading variable frac_width (Cannot access memory at address 0x7ffffd349000)>
n = <error reading variable n (Cannot access memory at address 0x7ffffd348ff8)>
v = <error reading variable v (Cannot access memory at address 0x7ffffd348ff0)>
vv = <error reading variable vv (Cannot access memory at address 0x7ffffd348fe0)>
Cannot access memory at address 0x7ffffd349068


=====================================================

Maxim Dounin Wrote:
-------------------------------------------------------
> Hello!
>
> On Fri, Aug 26, 2011 at 03:08:10AM -0400,
> magicbear wrote:
>
> > Hello, I found a bug, the stub_status module
> shows connection and
> > waiting is only increase without decrease. But
> in fact, system
> > connection haven't such many.
> > Here is the trend chart
> > http://m-b.cc/tmp/bugs.png
>
> What's in error log?
>
> Graph suggests there are worker processes dying
> for some reason,
> there should be messages like "[alert] ... worker
> process ...
> exited on signal ..." in global error log.
>
> If there are such messages, please follow [1] to
> obtain core dump
> and provide backtrace. Some more details as
> outlined in [2] may
> be also helpful.
>
> [1] http://wiki.nginx.org/Debugging#Core_dump
> [2]
> http://wiki.nginx.org/Debugging#Asking_for_help
>
> Maxim Dounin
>
> >
> > Maxim Dounin Wrote:
> >
> --------------------------------------------------
> -----
> > > Hello!
> > >
> > > On Wed, Aug 24, 2011 at 01:11:43PM -0400,
> > > magicbear wrote:
> > >
> > > > Thanks for your hard work, I have found that
> if
> > > using https backend, it
> > > > won't work, server will direct close the
> > > connection.
> > > >
> > > > curl --head 'http://localhost/track.js'
> > > > curl: (52) Empty reply from server
> > >
> > > Yes, thank you for report.
> > >
> > > Keeping https connections will require
> additional
> > > support both in
> > > nginx core and upstream keepalive module. You
> may
> > > try the
> > > attached patches, also available here:
> > >
> > >
> http://mdounin.ru/files/patch-nginx-keepalive-http
> > > s.txt
> > >
> http://mdounin.ru/files/patch-nginx-keepalive-http
> > > s-module.txt
> > >
> > > The first one is for nginx itself, should be
> > > applied after
> > > keepalive patch.
> > >
> > > The second one (actually, two grouped in one
> file)
> > > for upstream
> > > keepalive module.
> > >
> > > Maxim Dounin
> > > # HG changeset patch
> > > # User Maxim Dounin <mdounin@mdounin.ru>
> > > # Date 1314229425 -14400
> > > # Node ID
> ac0a7fd4de491e64d42f218691b681f7b3fa931b
> > > # Parent
> e865cb2cc06a88c01a439bfdd0d0d7dec54713f0
> > > Upstream: create separate pool for peer
> > > connections.
> > >
> > > This is required to support persistant https
> > > connections as various ssl
> > > structures are allocated from connection's
> pool.
> > >
> > > diff --git a/src/http/ngx_http_upstream.c
> > > b/src/http/ngx_http_upstream.c
> > > --- a/src/http/ngx_http_upstream.c
> > > +++ b/src/http/ngx_http_upstream.c
> > > @@ -1146,8 +1146,17 @@
> > > ngx_http_upstream_connect(ngx_http_reque
> > > c->sendfile &= r->connection->sendfile;
> > > u->output.sendfile = c->sendfile;
> > >
> > > - c->pool = r->pool;
> > > + if (c->pool == NULL) {
> > > + c->pool = ngx_create_pool(128,
> > > r->connection->log);
> > > + if (c->pool == NULL) {
> > > +
> ngx_http_upstream_finalize_request(r,
> > > u,
> > > +
>
> > > NGX_HTTP_INTERNAL_SERVER_ERROR);
> > > + return;
> > > + }
> > > + }
> > > +
> > > c->log = r->connection->log;
> > > + c->pool->log = c->log;
> > > c->read->log = c->log;
> > > c->write->log = c->log;
> > >
> > > @@ -2912,6 +2921,7 @@
> > > ngx_http_upstream_next(ngx_http_request_
> > > }
> > > #endif
> > >
> > > +
> > > ngx_destroy_pool(u->peer.connection->pool);
> > >
> ngx_close_connection(u->peer.connection);
> > > }
> > >
> > > @@ -3006,6 +3016,7 @@
> > > ngx_http_upstream_finalize_request(ngx_h
> > > "close http upstream
> > > connection: %d",
> > >
> u->peer.connection->fd);
> > >
> > > +
> > > ngx_destroy_pool(u->peer.connection->pool);
> > >
> ngx_close_connection(u->peer.connection);
> > > }
> > >
> > > # HG changeset patch
> > > # User Maxim Dounin <mdounin@mdounin.ru>
> > > # Date 1314229646 -14400
> > > # Node ID
> 67b12141506c6be2115b6b0aa151068188b97975
> > > # Parent
> f3b50effc1d476b040908700bb772197d31fbd80
> > > Keepalive: set_session and save_session
> callbacks.
> > >
> > > diff --git
> a/ngx_http_upstream_keepalive_module.c
> > > b/ngx_http_upstream_keepalive_module.c
> > > --- a/ngx_http_upstream_keepalive_module.c
> > > +++ b/ngx_http_upstream_keepalive_module.c
> > > @@ -32,6 +32,11 @@ typedef struct {
> > > ngx_event_get_peer_pt
> > > original_get_peer;
> > > ngx_event_free_peer_pt
> > > original_free_peer;
> > >
> > > +#if (NGX_HTTP_SSL)
> > > + ngx_event_set_peer_session_pt
> > > original_set_session;
> > > + ngx_event_save_peer_session_pt
> > > original_save_session;
> > > +#endif
> > > +
> > > ngx_uint_t
> failed;
> > > /* unsigned:1 */
> > >
> > > } ngx_http_upstream_keepalive_peer_data_t;
> > > @@ -59,6 +64,13 @@ static void
> > > ngx_http_upstream_free_keepa
> > > static void
> > >
> ngx_http_upstream_keepalive_dummy_handler(ngx_even
> > > t_t *ev);
> > > static void
> > >
> ngx_http_upstream_keepalive_close_handler(ngx_even
> > > t_t *ev);
> > >
> > > +#if (NGX_HTTP_SSL)
> > > +static ngx_int_t
> > > ngx_http_upstream_keepalive_set_session(
> > > + ngx_peer_connection_t *pc, void *data);
> > > +static void
> > >
> ngx_http_upstream_keepalive_save_session(ngx_peer_
> > > connection_t *pc,
> > > + void *data);
> > > +#endif
> > > +
> > > static void
> > >
> *ngx_http_upstream_keepalive_create_conf(ngx_conf_
> > > t *cf);
> > > static char
> > > *ngx_http_upstream_keepalive(ngx_conf_t *cf,
> > > ngx_command_t *cmd,
> > > void *conf);
> > > @@ -182,6 +194,13 @@
> > > ngx_http_upstream_init_keepalive_peer(ng
> > > r->upstream->peer.get =
> > > ngx_http_upstream_get_keepalive_peer;
> > > r->upstream->peer.free =
> > > ngx_http_upstream_free_keepalive_peer;
> > >
> > > +#if (NGX_HTTP_SSL)
> > > + kp->original_set_session =
> > > r->upstream->peer.set_session;
> > > + kp->original_save_session =
> > > r->upstream->peer.save_session;
> > > + r->upstream->peer.set_session =
> > > ngx_http_upstream_keepalive_set_session;
> > > + r->upstream->peer.save_session =
> > > ngx_http_upstream_keepalive_save_session;
> > > +#endif
> > > +
> > > return NGX_OK;
> > > }
> > >
> > > @@ -423,6 +442,29 @@ close:
> > > }
> > >
> > >
> > > +#if (NGX_HTTP_SSL)
> > > +
> > > +static ngx_int_t
> > >
> +ngx_http_upstream_keepalive_set_session(ngx_peer_
> > > connection_t *pc, void *data)
> > > +{
> > > + ngx_http_upstream_keepalive_peer_data_t
> *kp
> > > = data;
> > > +
> > > + return kp->original_set_session(pc,
> > > kp->data);
> > > +}
> > > +
> > > +
> > > +static void
> > >
> +ngx_http_upstream_keepalive_save_session(ngx_peer
> > > _connection_t *pc, void *data)
> > > +{
> > > + ngx_http_upstream_keepalive_peer_data_t
> *kp
> > > = data;
> > > +
> > > + kp->original_save_session(pc, kp->data);
> > > + return;
> > > +}
> > > +
> > > +#endif
> > > +
> > > +
> > > static void *
> > >
> ngx_http_upstream_keepalive_create_conf(ngx_conf_
> > > t *cf)
> > > {
> > > # HG changeset patch
> > > # User Maxim Dounin <mdounin@mdounin.ru>
> > > # Date 1314229663 -14400
> > > # Node ID
> 3affea1af30649ac1934b01ab30d175abd4fb3be
> > > # Parent
> 67b12141506c6be2115b6b0aa151068188b97975
> > > Keepalive: destroy connection pool.
> > >
> > > diff --git
> a/ngx_http_upstream_keepalive_module.c
> > > b/ngx_http_upstream_keepalive_module.c
> > > --- a/ngx_http_upstream_keepalive_module.c
> > > +++ b/ngx_http_upstream_keepalive_module.c
> > > @@ -353,6 +353,7 @@
> > > ngx_http_upstream_free_keepalive_peer(ng
> > > item = ngx_queue_data(q,
> > > ngx_http_upstream_keepalive_cache_t,
> > > queue);
> > >
> > > +
> > > ngx_destroy_pool(item->connection->pool);
> > >
> > > ngx_close_connection(item->connection);
> > >
> > > } else {
> > > @@ -437,6 +438,7 @@ close:
> > > conf = item->conf;
> > >
> > > ngx_queue_remove(&item->queue);
> > > + ngx_destroy_pool(item->connection->pool);
> > > ngx_close_connection(item->connection);
> > > ngx_queue_insert_head(&conf->free,
> > > &item->queue);
> > > }
> > >
> _______________________________________________
> > > nginx mailing list
> > > nginx@nginx.org
> > >
> http://mailman.nginx.org/mailman/listinfo/nginx
> >
> > Posted at Nginx Forum:
> http://forum.nginx.org/read.php?2,213207,214320#ms
> g-214320
> >
> > _______________________________________________
> > nginx mailing list
> > nginx@nginx.org
> > http://mailman.nginx.org/mailman/listinfo/nginx
>
> _______________________________________________
> nginx mailing list
> nginx@nginx.org
> http://mailman.nginx.org/mailman/listinfo/nginx
Subject Author Posted

upstream keepalive - call for testing

Maxim Dounin August 01, 2011 12:10PM

Re: upstream keepalive - call for testing

liseen August 02, 2011 09:38AM

Re: upstream keepalive - call for testing

Maxim Dounin August 02, 2011 01:34PM

Re: upstream keepalive - call for testing

António P. P. Almeida August 02, 2011 11:28AM

Re: upstream keepalive - call for testing

Maxim Dounin August 02, 2011 01:38PM

Re: upstream keepalive - call for testing

David Yu August 02, 2011 01:44PM

Re: upstream keepalive - call for testing

Maxim Dounin August 02, 2011 01:52PM

Re: upstream keepalive - call for testing

David Yu August 02, 2011 01:54PM

Re: upstream keepalive - call for testing

Maxim Dounin August 02, 2011 02:48PM

Re: upstream keepalive - call for testing

David Yu August 02, 2011 03:10PM

Re: upstream keepalive - call for testing

liseen August 02, 2011 11:58PM

Re: upstream keepalive - call for testing

splitice August 03, 2011 01:22AM

Re: upstream keepalive - call for testing

Matthieu Tourne August 03, 2011 08:08PM

Re: upstream keepalive - call for testing

Maxim Dounin August 04, 2011 02:54AM

Re: upstream keepalive - call for testing

splitice August 08, 2011 12:46AM

Re: upstream keepalive - call for testing

Maxim Dounin August 08, 2011 05:24AM

Re: upstream keepalive - call for testing

splitice August 08, 2011 05:36AM

Re: upstream keepalive - call for testing

splitice August 08, 2011 05:38AM

Re: upstream keepalive - call for testing Attachments

Matthieu Tourne August 12, 2011 03:34PM

Re: upstream keepalive - call for testing

Maxim Dounin August 12, 2011 04:00PM

Re: upstream keepalive - call for testing

Matthieu Tourne August 12, 2011 05:14PM

Re: upstream keepalive - call for testing

Maxim Dounin August 12, 2011 06:28PM

Re: upstream keepalive - call for testing Attachments

Matthieu Tourne August 12, 2011 06:44PM

Re: upstream keepalive - call for testing

Matthieu Tourne August 16, 2011 07:32PM

Re: upstream keepalive - call for testing

Maxim Dounin August 16, 2011 08:24PM

Re: upstream keepalive - call for testing

magicbear August 24, 2011 01:11PM

Re: upstream keepalive - call for testing

Maxim Dounin August 24, 2011 08:06PM

Re: upstream keepalive - call for testing

sv August 24, 2011 09:18PM

Re: upstream keepalive - call for testing

magicbear August 25, 2011 01:30AM

Re: upstream keepalive - call for testing

magicbear August 26, 2011 03:08AM

Re: upstream keepalive - call for testing

Maxim Dounin August 26, 2011 05:40AM

Re: upstream keepalive - call for testing

magicbear August 26, 2011 07:01AM

Re: upstream keepalive - call for testing

magicbear August 26, 2011 07:04AM

Re: upstream keepalive - call for testing

magicbear August 26, 2011 07:28AM

Re: upstream keepalive - call for testing

Maxim Dounin August 26, 2011 07:38AM

upstream keepalive close connections actively

cfsego August 02, 2011 10:50PM

Re: upstream keepalive close connections actively

Maxim Dounin August 03, 2011 03:40AM

RE: upstream keepalive close connections actively

Charles Chen August 03, 2011 05:54AM

Re: upstream keepalive - call for testing

magicbear August 26, 2011 07:54AM

Re: upstream keepalive - call for testing

Maxim Dounin August 26, 2011 11:56AM

Re: upstream keepalive - call for testing

magicbear August 26, 2011 12:17PM

Re: upstream keepalive - call for testing

Maxim Dounin August 26, 2011 02:08PM

Re: upstream keepalive - call for testing

magicbear August 26, 2011 03:00PM

Re: upstream keepalive - call for testing

magicbear August 26, 2011 12:28PM

Re: upstream keepalive - call for testing

magicbear August 26, 2011 01:00PM

Re: upstream keepalive - call for testing

magicbear August 26, 2011 01:51PM

Re: upstream keepalive - call for testing

magicbear August 28, 2011 01:07PM

Re: upstream keepalive - call for testing

magicbear August 28, 2011 01:10PM

Re: upstream keepalive - call for testing

Maxim Dounin August 28, 2011 09:48PM

Re: upstream keepalive - call for testing

magicbear August 31, 2011 04:04PM

Re: upstream keepalive - call for testing

splitice August 31, 2011 09:58PM

Re: upstream keepalive - call for testing

magicbear September 01, 2011 09:38AM

Re: upstream keepalive - call for testing

magicbear September 04, 2011 01:33PM

Re: upstream keepalive - call for testing

Maxim Dounin September 04, 2011 02:22PM

Re: upstream keepalive - call for testing

magicbear September 04, 2011 02:34PM

Re: upstream keepalive - call for testing

Maxim Dounin September 05, 2011 03:10AM

Re: upstream keepalive - call for testing

ビリビリⅤ September 05, 2011 11:44AM

Re: upstream keepalive - call for testing

Maxim Dounin September 05, 2011 02:04PM

Re: upstream keepalive - call for testing

magicbear September 06, 2011 02:39AM

Re: upstream keepalive - call for testing

Matthieu Tourne September 07, 2011 07:36PM

Re: upstream keepalive - call for testing

Maxim Dounin September 08, 2011 05:28AM

Re: upstream keepalive - call for testing

Maxim Dounin September 08, 2011 11:44AM

Re: upstream keepalive - call for testing

Matthieu Tourne September 08, 2011 06:06PM

Re: upstream keepalive - call for testing

magicbear September 14, 2011 06:54PM

Re: upstream keepalive - call for testing

magicbear September 15, 2011 01:52PM

Re: upstream keepalive - call for testing

splitice September 15, 2011 09:44PM

Re: upstream keepalive - call for testing

philipp December 29, 2011 07:47AM

Re: upstream keepalive - call for testing

Maxim Dounin December 29, 2011 10:06AM

Re: upstream keepalive - call for testing

alexscott March 08, 2012 09:30AM

Re: upstream keepalive - call for testing

Andrew Alexeev March 09, 2012 01:20AM

Re: upstream keepalive - call for testing

alexscott March 12, 2012 10:35AM

Re: upstream keepalive - call for testing

Maxim Dounin March 12, 2012 10:56AM

Re: upstream keepalive - call for testing

alexscott March 12, 2012 01:40PM

Re: upstream keepalive - call for testing

alexscott March 12, 2012 03:55PM

Re: upstream keepalive - call for testing

Maxim Dounin March 12, 2012 02:00PM



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