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Re: modifying WaitEventSets (was: Performance degradation in commit ac1d794) - Mailing list pgsql-hackers

From Tom Lane
Subject Re: modifying WaitEventSets (was: Performance degradation in commit ac1d794)
Date
Msg-id 18424.1462390295@sss.pgh.pa.us
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In response to Re: modifying WaitEventSets (was: Performance degradation in commit ac1d794)  (Andres Freund <andres@anarazel.de>)
Responses Re: modifying WaitEventSets (was: Performance degradation in commit ac1d794)  (Merlin Moncure <mmoncure@gmail.com>)
Re: modifying WaitEventSets (was: Performance degradation in commit ac1d794)  (Tom Lane <tgl@sss.pgh.pa.us>)
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Andres Freund <andres@anarazel.de> writes:
> Given that poll() has been introduced in SRV3 - which IIRC was below our
> usual baseline - and windows is not an issue for latch, I think it'd
> be ok to rely on it.

I think it's entirely reasonable to say that "if you want high performance
you should have poll(3)".  Failing to build without it would be a harder
sell, probably.
        regards, tom lane

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