[SAC] SVN backups and poor interactions was: MapGuide SVN Down Again

[shawn barnes]

Yes, i'll look into this right now.


Howard Butler wrote:
> Fixed.
> 
> After some investigation, it appears that the backup scripts are causing
> the issue.  We had backup scripts being run out of /home/sbarnes/scripts
> that were hung, then root came along and ran its own (and hung).  It
> appears interaction of these scripts is locking the repository and
> causing our issues.
> 
> Shawn,
> 
> Can you investigate why crons might still be running out of your home
> directory?  Here's what the process table looked like when I checked
> earlier tonight:
> 
>> [hobu at osgeo1 repos]$ ps aux|grep svn
>> root      8553  0.0  0.0  2280  880 ?        Ss   15:45   0:00
>> /bin/bash /root/scripts/backup_trac_svn.sh
>> root      8776  0.0  0.0  3084  868 ?        S    16:01   0:00 sh -c
>> svnadmin dump --quiet --deltas /var/www/svn/repos/mapguide >
>> "/home/back/svn_backup/2007-02-14_15.45.02"/mapguide
>> root      8777  0.0  0.1  8628 2688 ?        S    16:01   0:00
>> svnadmin dump --quiet --deltas /var/www/svn/repos/mapguide
>> root     11503  0.0  0.0  2792  868 ?        Ss   18:45   0:00
>> /bin/bash /root/scripts/backup_trac_svn.sh
>> root     11504  0.0  0.1  4460 2312 ?        S    18:45   0:00 perl
>> /home/sbarnes/scripts/svn_repos_backup.pl
>> root     11907  0.0  0.0  2756  868 ?        S    19:01   0:00 sh -c
>> svnadmin dump --quiet --deltas /var/www/svn/repos/mapguide >
>> "/home/back/svn_backup/2007-02-14_18.45.01"/mapguide
>> root     11908  0.0  0.1  9416 2792 ?        S    19:01   0:00
>> svnadmin dump --quiet --deltas /var/www/svn/repos/mapguide
>> hobu     13533  0.0  0.0  5616  652 pts/0    S+   20:58   0:00 grep svn
> 
> I think some of our repositories are quite large to be doing full dumps
> as frequently as we are (~8 times per day).  Gzipped, the mapguide
> repository is ~710mb, and doing a full delta dump of probably takes
> quite a while and is stepping on incoming commits.
> 
> I propose change things to do incrementals throughout the day at the
> same frequency we are currently doing them and a single full backup
> outside of peak development hours.  Someone please propose a good UTC
> time to do a full dump so as not to step on folks.  We are worldly
> enough to make this somewhat hard ;)
> 
> 
> 
> Howard
> 
> 
>>
> On Feb 14, 2007, at 6:09 PM, Jason Birch wrote:
> 
>> Did MapBender get migrated to the alternate data store?  Did it work OK?
>>
>> -----Original Message-----
>> From: sac-bounces at lists.osgeo.org [mailto:sac-bounces at lists.osgeo.org]
>> On Behalf Of Robert Bray
>> Sent: Wednesday, February 14, 2007 15:57
>> To: System Administration Committee Discussion/OSGeo
>> Subject: [SAC] MapGuide SVN Down Again
>> Importance: High
>>
>> 2nd time today...help!
>>
>> Thanks,
>> Bob
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> 
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