Ok, thanks. I'll keep that in mind.
On Tue, Apr 1, 2014 at 7:45 PM, Andrew Sullivan wrote:
> On Tue, Apr 01, 2014 at 07:00:16PM -0400, Tom Lane wrote:
>
> > one of the clients, in a way that isn't visible to the deadlock detector.
> > One way for that to happen without any external interconnec
On Tue, Apr 01, 2014 at 07:00:16PM -0400, Tom Lane wrote:
> one of the clients, in a way that isn't visible to the deadlock detector.
> One way for that to happen without any external interconnections is if the
> client is waiting for a NOTIFY that will never arrive because the would-be
> sender i
Andrew Sullivan writes:
> Probably you could have killed one of the queries. But it sounds like
> what's happening is that you have multiple queries that are all trying
> to update the same rows in a different order. It may be that none of
> these is strictly deadlocked, in that no query is wait
Andrew Sullivan-8 wrote
> On Tue, Apr 01, 2014 at 01:37:17PM -0700, Si Chen wrote:
>> You are right. That was the problem. I tried the query from
>> http://wiki.postgresql.org/wiki/Lock_Monitoring and found a COMMIT
>> transaction that was blocking it.
>>
>> I restarted postgresql again, and (it
On Tue, Apr 01, 2014 at 01:37:17PM -0700, Si Chen wrote:
> You are right. That was the problem. I tried the query from
> http://wiki.postgresql.org/wiki/Lock_Monitoring and found a COMMIT
> transaction that was blocking it.
>
> I restarted postgresql again, and (it seems) everything went back to
You are right. That was the problem. I tried the query from
http://wiki.postgresql.org/wiki/Lock_Monitoring and found a COMMIT
transaction that was blocking it.
I restarted postgresql again, and (it seems) everything went back to
normal. Was there another way to unlock the table then?
On Tue,
Thanks for writing back, but I don't think so. There's no message of a
deadlock in the log, and the first query started at 12:25, the next one
12:31, 12:39, 12:50, 12:54, so there's plenty of time in between.
On Tue, Apr 1, 2014 at 1:01 PM, Hoover, Jeffrey wrote:
> Could they both be trying to
From: pgsql-general-ow...@postgresql.org
[mailto:pgsql-general-ow...@postgresql.org] On Behalf Of Si Chen
Sent: Tuesday, April 01, 2014 3:51 PM
To: pgsql-general@postgresql.org
Subject: [GENERAL] simple update query stuck
Hello,
I'm using postgresql 9.0.13, and I have a simple query that seems
Do these queries update more than one row? I ran into a similar issue
a year ago, where two multi-row updates would deadlock because they
processed rows in a different order. I'd love to see UPDATE support
ORDER BY to fix this, but it doesn't yet. (If I ever try contributing
to Postgres, this is a