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Re: deadlock while re-indexing table - Mailing list pgsql-general

From Tom Lane
Subject Re: deadlock while re-indexing table
Date
Msg-id 26623.1202830635@sss.pgh.pa.us
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In response to Re: deadlock while re-indexing table  (Alvaro Herrera <alvherre@commandprompt.com>)
Responses Re: deadlock while re-indexing table
Re: deadlock while re-indexing table
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Alvaro Herrera <alvherre@commandprompt.com> writes:
> Dave Cramer wrote:
>> reindex table user_profile;
>> ERROR:  deadlock detected
>> DETAIL:  Process 32450 waits for AccessExclusiveLock on relation
>> 194689112 of database 163880909; blocked by process 31236.
>> Process 31236 waits for AccessShareLock on relation 194689110 of
>> database 163880909; blocked by process 32450.

> I don't find this very surprising ... I would suggest using "reindex
> index" for each index instead.  I'm not sure if REINDEX TABLE is
> supposed to be deadlock-free.

It's not guaranteed to be so, but I'd think simple cases would be
okay.  What's that other process doing?

            regards, tom lane

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