On 2016-03-31 09:41:46 +0530, Pavan Deolasee wrote:
> On Thu, Mar 31, 2016 at 6:27 AM, Craig Ringer <cr...@2ndquadrant.com> wrote:
> >
> >
> > Can you describe the process used to generate the sample WAL segment?
> >
> >
> Shame that I can't find the sql file used to create the problematic WAL
> segment. But this is what I did.

It's probably easier to just generate a humongous commit record. You can
do so by having a *lot* of subtransactions. Relatively easy to do with
plpgsql by creating them in a loop (SELECT txid_current() in EXCEPTION
bearing block ought to suffice).


Andres Freund

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