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 ?
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
--
Matija Nalis
Odjel racunalno-informacijskih sustava i servisa
Hrvatska akademska i istrazivacka mreza - CARNet
Josipa Marohnica 5, 10000 Zagreb
tel. +385 1 6661 616, fax. +385 1 6661 766
www.CARNet.hr
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