I'm having problems with childs hanging with 100% CPU whenever the server
runs out of memory.
Backtrace:
(gdb) backtrace
#0 0x00002add8831e8a8 in *__GI___poll (fds=0x7fff26db0e70, nfds=2,
timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:83
#1 0x00002add87e1dbf2 in apr_poll () from /usr/lib/libapr-1.so.0
#2 0x0000000000481d47 in child_main ()
#3 0x00000000004831d4 in make_child ()
#4 0x0000000000483f63 in ap_mpm_run ()
#5 0x00000000004297e9 in main ()
Hannes
On 13 January 2011 22:32, Marcelo Coelho <[email protected]> wrote:
> Hi!
>
> Peruser patch (v14)
>
> Patch from RC2:
>
> http://opensource.mco2.net/download/apache/peruser/peruser-rc2-to-rc3-v14.patch
>
> Full patch from vanilla Apache 2.2.17:
>
> http://opensource.mco2.net/download/apache/peruser/peruser-rc3-full-v14.patch
>
> Changes (from RC2):
>
> * (v14) Bug fix: multiplexer segfault when passing big requests to
> processors (URI with ~8192 bytes and big Referer header)
> * (v14) Performance: faster idle server maintenance
> * (v14) Clean-up: removed .orig files
> * (v13) Code more "APR-ized"
> * (v13) Bug fix: apachectl graceful works, even under high load.
> * (v12) Not released to public
> * (v11) Not released to public
> * (v10) Bug fixed: fixed some segfaults
> * (v10) Bug fixed: work around to a flaw in apr-util (as PR 43857)
> * (v9) Not released to public
> * (v8) Bug fixed: apachectl graceful now is more stable, like RC2 version
> * (v8) Bug fixed: fixed some segfaults (thank you Dave Steinberg for
> sending your core dumps)
> * (v8) Bug fixed: server dies with infinite loop script, reported by Taavi
> Sannik
> * (v8) Bug fixed: "long lost child" error, reported by Taavi Sannik
> * (v8) Performance: update_all_counters() rewritten without malloc() and
> free()
> * (v7) Bug fixed: multiplexers now can clone a processor child if all
> workers are busy.
> * (v6) Bug fixed: apachectl graceful now working properly, without "long
> lost child" errors
> * (v5) Not released to public
> * (v4) Code cleanup
> * (v4) Performance: childs are started in ~25ms, 40 times faster than in
> RC2 (~1000ms)
> * (v4) Bug fixed: now checking if total_processors is 1 (first access) to
> start StartProcessors
> * (v3) Performance: new child type (CHILD_TYPE_RESERVED) to avoid collision
> (2 childs trying to get the same free slot)
> * (v3) Bug fixed: fixed a bug in RC2, wait_timeout was always 0, never
> sleeping to wait for new workers.
> * (v2) Performance: StartProcessors, new configuration directive to control
> the number of child processors per vhost at startup
> * (v2) Performance: childs are started in ~50ms, 20 times faster than in
> RC2 (~1000ms)
> * (v1) Performance: faster to lookup for free slots (this is important on
> busy servers, with many virtual hosts)
> * (v1) Performance: faster to count processors, one single loop counts all
> processors
> * (v1) Bug fixed: bug when MinSpareProcessors is set to 0 (now all workers
> processes are killed when idle_timeout is reached)
> * (v1) Bug fixed: Free-up slots when a WORKER or PROCESSOR unexpectedly
> dies
>
>
> Regards,
>
> --
> Marcelo Coelho
> marcelo at mco2.com.br
>
>
> _______________________________________________
> Peruser mailing list
> [email protected]
> http://www.telana.com/mailman/listinfo/peruser
>
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