Re: more on high load on postgres 7.4.16

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От Stefan Kaltenbrunner
Тема Re: more on high load on postgres 7.4.16
Дата
Msg-id 46166E31.3030806@kaltenbrunner.cc
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Ответ на more on high load on postgres 7.4.16  (Geoffrey)
Ответы Re: more on high load on postgres 7.4.16  (Geoffrey)
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Geoffrey wrote:
> We are trying to attack this problem from multiple avenues, thus I'm
> starting a separate thread.  This is with regard to the problem posted
> via thread:
>
> http://archives.postgresql.org/pgsql-performance/2007-04/msg00120.php
>
> One thing we are seeing with this move to the new hardware (and rhas 4)
> is database connection processes that are left over by users who have
> exited the application.  I've attached to these processes via gdb and
> find they all have the same backtrace.  Any insights into what might be
> causing this issue would be appreciated.  Understand, we did not have
> this problem on the previous hardware running on rhes 3.  Here is the
> backtrace:
>
> #0  0x00ba47a2 in _dl_sysinfo_int80 () from /lib/ld-linux.so.2
> #1  0x0019f1de in __lll_mutex_lock_wait () from /lib/tls/libpthread.so.0
> #2  0x0019ca7a in _L_mutex_lock_23 () from /lib/tls/libpthread.so.0
> #3  0xbfed9438 in ?? ()
> #4  0x00c96a4e in pthread_cond_destroy@@GLIBC_2.3.2 () from
> /lib/tls/libc.so.6
> #5  0x00c96a4e in pthread_cond_destroy@@GLIBC_2.3.2 () from
> /lib/tls/libc.so.6
> #6  0x0015243f in critSec::~critSec () from
> /usr/local/pcm170/libdalkutil.so
> #7  0x003a48b8 in Comp_ZipFiles () from /usr/local/pcm170/libcompress.so

/usr/local on RHEL should only contain software installed directly from
source - what exactly is pcm170/libdalkutil ?
beside that - is pg actually compiled with debugging symbols on that
platform ?


Stefan

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