From: | Rakesh Kumar <rakeshkumar464a3(at)gmail(dot)com> |
---|---|
To: | |
Cc: | "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: Confusing deadlock report |
Date: | 2016-03-16 15:53:20 |
Message-ID: | CAJBB=EVC2B-jmiC0mjTmZkUjNcZLC-1yqxy=wByX=UQO3mBsTQ@mail.gmail.com |
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Thread: | |
Lists: | pgsql-general |
is there a possibility that there is no index on the FKY column
bravo.alpha_id.
On Wed, Mar 16, 2016 at 11:09 AM, Albe Laurenz <laurenz(dot)albe(at)wien(dot)gv(dot)at>
wrote:
> Thomas Kellerer wrote:
> >> Can you determine what statements were executed in these transactions
> before the deadlock?
> >> It was probably one of these that took the conflicting lock.
> >
> > Unfortunately not. Statement logging is not enabled on that server
> (space-constrained).
> >
> > And while we know the statements that can possibly be executed by these
> parts of the application,
> > several on them depend on the actual data, so it's hard to tell which
> path the two transactions
> > actually used.
>
> But that's where the solution to your problem must be...
>
> Look at all statements that modify "alpha" and could be in the same
> transaction
> with the INSERT to "bravo".
>
> Yours,
> Laurenz Albe
>
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