On Fri, Apr 7, 2017 at 12:28 PM, Tom Lane <t...@sss.pgh.pa.us> wrote:
> Andrew Dunstan <andrew.duns...@2ndquadrant.com> writes:
>> On 04/07/2017 12:57 PM, Andres Freund wrote:
>>> I don't think any recent changes are supposed to affect deadlock
>>> detector behaviour?
>
>> Both these machines have CLOBBER_CACHE_ALWAYS set. And on both machines
>> recent changes have made the isolation tests run much much longer.
>
> Ouch.  I see friarbird's run time for the isolation tests has gone from an
> hour and change to over 5 hours in one fell swoop.  hyrax not much better.
> Oddly, non-CCA animals don't seem to have changed much.
>
> Eyeing recent patches, it seems like the culprit must be Kevin's
> addition to isolationtester's wait query:

Ouch.  Without this we don't have regression test coverage for the
SERIALIZABLE READ ONLY DEFERRABLE code, but it's probably not worth
adding 4 hours to any tests, even if it only shows up with
CLOBBER_CACHE_ONLY.  I assume the consensus is that I should revert
it?

--
Kevin Grittner


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