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Data Bases > Pgsql Bugs > Patch for LISTE...
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Patch for LISTEN/NOTIFY race condition?

by meetesh.karia@[EMAIL PROTECTED] (Meetesh Karia) Apr 22, 2008 at 08:25 PM

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Hi all,

After upgrading to 8.3 and Slony 1.2.13, one of our im****t processes 
started constantly failing because of deadlock.  Our im****t process 
(pl/pgsql function) just uses COPY FROM to populate a temp table and 
then inserts from that (without any special locks, etc).  And, the 
deadlock error showed that the im****t process was waiting on sl_event 
and a slon process was waiting on pg_listener.

I found the following thread in the archives: 
http://archives.postgresql.org/pgsql-bugs/2008-03/msg00117.php
and it 
seemed like it could be the cause of the problem.

Is the patch available anywhere?  Also, if it will be available in 
8.3.2, is there any information on when that will be released?

Thanks and sorry if I missed this information posted somewhere,

Meetesh

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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<head>
</head>
<body bgcolor="#ffffff" text="#000000">
<font size="-1"><font face="Verdana">Hi all,<br>
<br>
After upgrading to 8.3 and Slony 1.2.13, one of our im****t processes
started constantly failing because of deadlock.  Our im****t process
(pl/pgsql function) just uses COPY FROM to populate a temp table and
then inserts from that (without any special locks, etc).  And, the
deadlock error showed that the im****t process was waiting on sl_event
and a slon process was waiting on pg_listener.<br>
<br>
I found the following thread in the archives:
<a class="moz-txt-link-freetext"
href="http://archives.postgresql.org/pgsql-bugs/2008-03/msg00117.php">http://archives.postgresql.org/pgsql-bugs/2008-03/msg00117.php</a>
and it
seemed like it could be the cause of the problem.<br>
<br>
Is the patch available anywhere?  Also, if it will be available in
8.3.2, is there any information on when that will be released?<br>
<br>
Thanks and sorry if I missed this information posted somewhere,<br>
<br>
Meetesh<br>
</font></font>
</body>
</html>

--------------080509090603090907000701--
 




 4 Posts in Topic:
Patch for LISTEN/NOTIFY race condition?
meetesh.karia@[EMAIL PROT  2008-04-22 20:25:30 
Re: Patch for LISTEN/NOTIFY race condition?
alvherre@[EMAIL PROTECTED  2008-04-22 16:20:51 
Re: Patch for LISTEN/NOTIFY race condition?
tgl@[EMAIL PROTECTED] (T  2008-04-22 17:39:13 
Re: Patch for LISTEN/NOTIFY race condition?
meetesh.karia@[EMAIL PROT  2008-04-23 10:04:26 

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