maria-developers team mailing list archive

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Re: deadlock, rotate and prepared xids

To: MARK CALLAGHAN <mdcallag@xxxxxxxxx>
From: Kristian Nielsen <knielsen@xxxxxxxxxxxxxxx>
Date: Tue, 05 Mar 2013 16:27:38 +0100
Cc: "maria-developers@xxxxxxxxxxxxxxxxxxx" <maria-developers@xxxxxxxxxxxxxxxxxxx>
In-reply-to: <87vc96tb97.fsf@frigg.knielsen-hq.org> (Kristian Nielsen's message of "Tue, 05 Mar 2013 11:02:44 +0100")
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.4 (gnu/linux)

Kristian Nielsen <knielsen@xxxxxxxxxxxxxxx> writes:

>> http://bugs.mysql.com/bug.php?id=>68569
>
> This is the classic semi-sync deadlock that you explained so many times
> already.

>> http://bugs.mysql.com/bug.php?id=68251
>
> This second one is different from the first one. One thread is trying to

I mixed up the URLs. The classic semi-sync deadlock is Bug#68251. The
incorrect pthread_cond_signal/_wait usage is Bug#68569.

 - Kristian.

References

deadlock, rotate and prepared xids
From: MARK CALLAGHAN, 2013-03-05
Re: deadlock, rotate and prepared xids
From: Kristian Nielsen, 2013-03-05