[rt-users] RT hangs with 'SELECT GET_LOCK' slow query log entries

Torsten Brumm torsten.brumm at googlemail.com
Tue Dec 5 09:30:23 EST 2006


At this moment, we have round about 500.000 Tickets in 700 Queues, 26.000Users

Torsten

2006/12/5, Eric J. Feldhusen <efeldhusen.lists at gmail.com>:
>
> Just curious, how many tickets are in your RT installation?
>
> Torsten Brumm wrote:
> > But with MySQL 4.12 and apache 2 with FastCGI
> >
> > 2006/12/5, Steve Ison <si202 at cam.ac.uk <mailto:si202 at cam.ac.uk>>:
> >
> >     Hello,
> >
> >     My RT installation (3.6.1, MySQL 5, Apache 1.3, mod_perl 1.9,
> >     DBIx::SearchBuilder v1.45) has slowed considerably as the number of
> >     tickets has grown. In the MySQL slow query log I see:
> >
> >     # Time: 061205 11:52:19
> >     # User at Host: rt_user[rt_user] @ localhost []
> >     # Query_time: 181  Lock_time: 0  Rows_sent: 1  Rows_examined: 0
> >     SELECT GET_LOCK('Apache-Session-b59f829ebcd37237783322425399eeb2',
> >     3600);
> >
> >     While this is happening apache just spins using all the cpu.
> >
> >     While trawling back the the mailing-list archives I noticed others
> have
> >     had this problem, but I can't find any mention of a solution. Am I
> >     missing
> >     it or is this an ongoing problem?
>
> --
> Eric Feldhusen
> Network Administrator    http://www.remc1.org
> eric at remc1.org
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-- 
MFG

Torsten Brumm

http://www.torsten-brumm.de
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