Re: deadlock while re-indexing table

On 12-Feb-08, at 10:37 AM, Tom Lane wrote:

> Alvaro Herrera <alvherre(at)commandprompt(dot)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?
>
The other process is inserting into the user_profile table.

Dave
> regards, tom lane
>
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