Alvaro Herrera <alvherre@commandprompt.com> writes:
> Meetesh Karia wrote:
>> After upgrading to 8.3 and Slony 1.2.13, one of our import processes
>> started constantly failing because of deadlock. Our import 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 import 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...3/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?

> Hmm, AFAICS the patch should be present on 8.3.1, because it was tagged
> on March 14th and the patch was committed on March 12.

Yes, but in any case (a) that's about a race condition not a deadlock,
and (b) the issue has been there since forever, so it is unlikely to
explain or fix a problem that you weren't seeing before 8.3.

regards, tom lane

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