2009/8/4 Jeremy Koppel <jkoppel AT bluecanopy DOT com>:
> Lately, I’ve been going though our file server looking for
> disk space to reclaim, and I’ve come across 14GB worth of data in the
> Postgres DB, used only by Bacula. Reading through the Bacula manual, I see
> that each file record is supposed to take up 154 bytes in the DB, so I have
> gone through the logs to see how many records should be saved, keying on “FD
> Files Written”. Our rotation:
>
>
>
> Level=Full Pool=Weekly sun at 2:00
>
> Level=Differential Pool=Daily FullPool=Weekly mon-fri at 2:00
>
>
>
> File and Job Retention is set to 5 weeks in the Client
> directives, Volume Retention is set to 5 weeks in the Pool directives.
> AutoPrune is set to Yes in both places. The exception is the Monthly pool,
> used by 2 clients (small):
>
>
>
> Level=Full Pool=Monthly 1st sun at 1:00
>
> Level=Full Pool=Weekly 2nd-4th sun at 1:00
>
> Level=Differential Pool=Daily FullPool=Weekly mon-fri at 2:00
>
>
>
> For the Monthly pool, File Retention is set to 90d, and Job
> Retention is set to 1y in the Client directives, and Volume Retention is set
> to 1y in the pool. AutoPrune is set to Yes in the Client Directives, but
> had been set to No in the Pool, which was a red flag. I changed it to Yes,
> and restarted Bacula.
>
>
>
> The numbers: In the last 5 weeks, the sum of the backed up
> files to the Weekly and Daily pools is 3,588,224, and of the other two, 1
> client backs up 2 files to the Monthly pool a month, and the other,
> consistently just under 6,640 files. So, if my catalog should have a total
> of 3,667,928 files in it (3,588,224 + (2*12) + (6,640 * 12)) * 154 bytes per
> file, the DB should be 564,860,912 bytes or 538MB? Made me either wonder
> where my math went wrong, or why my DB is so big.
>
>
>
> So, after running a full vacuum on the Postgres DB and only
> reclaiming 1GB of disk space, I started poking around in the DB itself (just
> looking). The most interesting thing I have found so far is a table named
> ‘job’, which seems to hold all the job records. And they go back to 2006….
> Example:
>
>
>
> bacula=# select * from job where starttime like '2006%';
>
> jobid | job | name | type |
> level | clientid |
>
> jobstatus | schedtime | starttime | endtime
> | jobtdate
>
> | volsessionid | volsessiontime | jobfiles | jobbytes | joberrors |
> jobmissingfiles | poo
>
> lid | filesetid | purgedfiles | hasbase
>
> -------+-------------------------------------+-----------------+------+-------+----------+
>
> -----------+---------------------+---------------------+---------------------+------------
>
> +--------------+----------------+----------+-----------+-----------+-----------------+----
>
> ----+-----------+-------------+---------
>
> 272 | Mail_Data.2006-01-26_02.00.06 | Mail Data | B | D
> | |
>
> f | 2006-01-26 02:00:05 | 2006-01-26 02:08:49 | 2006-01-26 02:37:33
> | 1138261053
>
> | 0 | 0 | 0 | 0 | 0
> | 0 |
>
> | | 0 | 0
>
>
>
> I thought I would then be clever, and in Bacula use the
> prune command for the old MailData job, one of the ones set to 5 weeks, but
> it didn’t show up in the list because it was no longer a defined job
> resource; we don’t run that particular job anymore, and haven’t for months:
> thus there should be no jobs for ‘MailData’ in the catalog at all. Luckily,
> it was just commented out in bacula-dir.conf, so I uncommented it and
> restarted bacula. It then showed MailData, and said: “Pruned 15 Jobs for
> client MailData from catalog.”. Encouraged, I exited Bacula and checked the
> DB. They are all still there. Rinse and repeat. This time, Bacula says:
> “No Jobs found to prune.”, so maybe it did get rid of a few of them after
> all. But the rest are sitting there derelict, just hogging space.
>
>
>
> So, why isn’t my DB pruning itself?
>
I am not sure of that answer but dbcheck can fix this.
Make sure you use the -f option otherwise it only checks.
John
------------------------------------------------------------------------------
Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day
trial. Simplify your report design, integration and deployment - and focus on
what you do best, core application coding. Discover what's new with
Crystal Reports now. http://p.sf.net/sfu/bobj-july
_______________________________________________
Bacula-users mailing list
Bacula-users AT lists.sourceforge DOT net
https://lists.sourceforge.net/lists/listinfo/bacula-users
|
