Re: ERROR: invalid memory alloc in Pg 9.6.6

On 04/13/2018 06:13 PM, Don Seiler wrote:
> On Fri, Apr 13, 2018 at 11:09 AM, Stephen Frost <sfrost@snowman.net
> <mailto:sfrost@snowman.net>> wrote:
>
>     If you can reliably reproduce this with either pg_dump or psql, then the
>     next step would perhaps be jumping in with gdb to see where that error
>     is being hit..
>
>
> I forgot to follow-up yesterday. It seems like my issue was caused by a bug with
> the pg_qualstats extension that I was using in conjuction with the POWA
> extension. There was already a similar issue reported on their tracker
> at https://github.com/powa-team/powa/issues/104
>
> It seems that high TPS stress testing on Wednesday afternoon triggered the bug.
> When the stress testing tailed off, the error messages stopped happening and I
> was able to run pg_dump without errors. I removed those extensions shortly
> after. The authors have put out a bug fix but I can't use this system to test
> their fix and my sandbox isn't available for the same HA server stress test that
> we were doing on Wednesday.
>
> Don.
>

Hello,

FIY, a new version including bug fix, has been released two days ago :
https://github.com/powa-team/pg_qualstats/releases/tag/1.0.4

Regards,