Re: race condition in sync rep

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Simon Riggs <simon(at)2ndQuadrant(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: race condition in sync rep
Date: 2011-03-26 16:39:24
Message-ID: A45BB11C-B001-43D1-88B1-240EBF53F0DD@gmail.com
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On Mar 26, 2011, at 12:24 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Simon Riggs <simon(at)2ndQuadrant(dot)com> writes:
>> On Sat, Mar 26, 2011 at 4:04 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>>> In particular, in view of today's fix, shouldn't this commit be reverted?
>>>
>>> http://git.postgresql.org/gitweb?p=postgresql.git;a=commitdiff;h=6e8e7cc580665ddd43c8ca2acc6d60f345570a57
>>>
>>> I thought at the time that that was nothing more than documenting a
>>> known bug, and now it is documenting a dead bug.
>
>> No, that doc change is still accurate.
>
> Well, in that case, it should be on the open-items list. If the system
> is still behaving that way, it's a bug.

I suspect it's fixed, but I haven't checked yet.

And contrary to Simon's contention on a nearby email, it was not a "slight" performance degradation. It was running at like 1 tps.

...Robert

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