Re: minor windows & cygwin regression failures on stable

From: Andrew Dunstan <andrew(at)dunslane(dot)net>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: minor windows & cygwin regression failures on stable
Date: 2005-03-28 15:07:08
Message-ID: 42481D9C.7070506@dunslane.net
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Andrew Dunstan wrote:

>> As far as the test failure, maybe we are just not allowing enough time
>> for the stats collector to run? The thing sits there for 2 sec, which
>> theoretically is plenty, but it's a busy-wait loop and if the Cygwin
>> scheduler is not aggressive about taking away timeslices then maybe
>> the stats processes don't get to run. Try doing the test script by
>> hand, with just a manual delay instead of the sleep function, and see
>> if it passes.
>>
>>
>>
>>
>
> Yes, when I do that it works. But even when I increase the interval to
> 30 secs the regression script fails. I tried to use a sleep function
> that didn't do a busy-wait loop, but plperl seems to segfault on this
> platform :-( What fun.
>
>

Further data point - the expected result appears when I set the sleep
interval at 1 minute, but not at 40 secs. That does indicate that the
stats collector is actually running and doing its job (kinda).

cheers

andrew

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