Re: regression failures - further data

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Andrew Dunstan <andrew(at)dunslane(dot)net>
Cc: pgsql-hackers-win32 <pgsql-hackers-win32(at)postgresql(dot)org>
Subject: Re: regression failures - further data
Date: 2004-05-06 22:09:52
Message-ID: 200405062209.i46M9qt11674@candle.pha.pa.us
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Andrew Dunstan wrote:
>
> I have managed (with a lot of effort) to track down the apparent cause
> of the regression failures I was seeing. They appear to be directly
> related to the degree of parallelism with which the tests are run. I can
> reliably get a 100% clean run on the serial tests, and on the parallel
> tests with MAX_CONNECTIONS=5. But if I run at MAX_CONNECTIONS=10 I
> (almost) always get failures, which for some reason that is beyond me
> start with the copy test, which isn't even run in parallel with other tests.
>
> This is all quite worrying, and suggests that we will need to do some
> careful stress testing before we can release this.
>
> Is there some W2K parameter I can tweak in the TCP stack that might
> alleviate the problem?

Is this the extra newline regression failure you were seeing?

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Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
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