Re: SSI patch version 9

From: "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov>
To: <pgsql-hackers(at)postgresql(dot)org>
Cc: <drkp(at)csail(dot)mit(dot)edu>,<john(dot)okite(at)gmail(dot)org>
Subject: Re: SSI patch version 9
Date: 2011-01-11 04:48:31
Message-ID: 4D2B8CBF0200002500039296@gw.wicourts.gov
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I wrote:

> Last time we did stress tests, it uncovered some race conditions.
> Those were fixed at the time, and hopefully we haven't introduced
> any new ones; but it's a Very Good Thing that Dan is able to run
> some more DBT-2 tests, even if that test isn't ideal for
> highlighting SERIALIZABLE issues.

Dan's DBT-2 run triggered an Assert that looks like it would be
caused by a race condition in the new code that uses SLRU for
graceful degradation. I will probably have another patch some time
tomorrow morning.

Sorry about this; I guess maybe I should have waited that extra few
days before posting the patch....

-Kevin

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