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Re: pgstattuple triggered checkpoint failure and database outage?

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Stuart Bishop <stuart@xxxxxxxxxxxxxxxx> writes:
> I just had a brief outage on a production server running 8.3.6, which
> I suspect was triggered by me running a table bloat report making lots
> of pgstattuple calls.

> The first I got of it was the script I'd just kicked off died:

> could not open segment 1 of relation 1663/16409/11088101 (target block
> 131292): No such file or directory
> CONTEXT:  writing block 131292 of relation 1663/16409/11088101
> ...
> Doing an immediate shutdown and restart seems to have brought
> everything back online.

What's the actual size of that relation now?  Is it growing rapidly?
(I'm trying to figure out whether those writes *should* have succeeded,
or whether the block numbers were corrupt in memory.)

			regards, tom lane

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