On 20/04/17 14:57, Peter Eisentraut wrote:
> On 4/18/17 22:25, Petr Jelinek wrote:
>> The commit 887227a1c changed the defaults for subscriptions to do async
>> commit. But since the tests often wait for disk flush and there is no
>> concurrent activity this has increased the amount of time needed for
>> each test. So the attached patch changes the subscriptions create in tab
>> tests to use sync commit which improves performance there (because we
>> also replicate only very few transactions in the tests).
> I see only a 1.5% (1s/70s) improvement in the run time of the whole test
> suite from this.  Is that what you were expecting?

Hmm, on my machine the difference is around 50% (~1m vs ~2m).

  Petr Jelinek                  http://www.2ndQuadrant.com/
  PostgreSQL Development, 24x7 Support, Training & Services

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