On Tue, Apr 06, 2010 at 12:59:49PM +0200, Matija Nalis wrote:
> On Tue, Apr 06, 2010 at 11:13:44AM +0100, Graham Keeling wrote:
> > I'm using bacula-5.0.1.
> >
> > At about Apr 6 10:00, I logged into mysql, and ran 'show full processlist;',
> > which gave the following.
> >
> > | 3033 | root | localhost | bacula | Query | 22464 | executing | SELECT
> > Path.P
> > ath, Filename.Name, Temp.FileIndex, Temp.JobId, LStat, MD5 FROM ( SELECT
> > FileId,
> > Job.JobId AS JobId, FileIndex, File.PathId AS PathId, File.FilenameId AS
> > Filena
> > meId, LStat, MD5 FROM Job, File, ( SELECT MAX(JobTDate) AS JobTDate,
> > PathId, Fil
> > enameId FROM ( SELECT JobTDate, PathId, FilenameId FROM File JOIN Job USING
> > (Job
> > Id) WHERE File.JobId IN (22,23,31,34,42,48,52) UNION ALL SELECT JobTDate,
> > PathId
> > , FilenameId FROM BaseFiles JOIN File USING (FileId) JOIN Job ON
> > (BaseJobId
> > = Job.JobId) WHERE BaseFiles.JobId IN (22,23,31,34,42,48,52) ) AS tmp GROUP
> > BY P
> > athId, FilenameId ) AS T1 WHERE (Job.JobId IN ( SELECT DISTINCT BaseJobId
> > FROM B
> > aseFiles WHERE JobId IN (22,23,31,34,42,48,52)) OR Job.JobId IN
> > (22,23,31,34,42,
> > 48,52)) AND T1.JobTDate = Job.JobTDate AND Job.JobId = File.JobId AND
> > T1.PathId
> > = File.PathId AND T1.FilenameId = File.FilenameId ) AS Temp JOIN Filename
> > ON (Fi
> > lename.FilenameId = Temp.FilenameId) JOIN Path ON (Path.PathId =
> > Temp.PathId) WH
> > ERE FileIndex > 0 ORDER BY Temp.JobId, FileIndex ASC |
> >
> > 'Time 22464' is equivalent to about 6 hours, so I presume that after
> > 'Bootstrap
> > records written', bacula has been waiting for this sql command, during which
> > time it could not do anything else. Backups of other clients were failing
> > because I had Max Wait Time set to something less than 6 hours.
>
> Yes, it happens, especially with bigger File tables - what does
> "Select count(*) from File" returns for you ?
3239328
> This slowdown was not present in 3.0.3 but is new to 5.0.x series and
> has been documented on http://bugs.bacula.org/view.php?id=1472
> which is in process of being debugged currently
Thanks for that.
A colleague of mine did exactly "start several jobs; very soon the query
gets run and everything else stops" this morning.
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