Hi,
On 9/5/2006 9:51 AM, Gabriele Bulfon wrote:
>
> Hello,
>
> I'd like to have an explanation about what Bacula is doing here:
>
> 04-Sep 21:49 iserver-dir: Start Backup JobId 591,
> Job=Backup_Office.2006-09-04_20.10.00
> 04-Sep 21:50 iserver-sd: Volume "LUNEDI" previously written, moving to
> end of data.
> 04-Sep 21:51 iserver-sd: Ready to append to end of Volume "LUNEDI" at
> file=12.
> 04-Sep 21:51 iserver-sd: Spooling data ...
> 04-Sep 21:57 iserver-sd: User specified spool size reached.
> 04-Sep 21:57 iserver-sd: Writing spooled data to Volume. Despooling
> 536,904,176 bytes ...
> 04-Sep 21:57 iserver-sd: Spooling data again ...
> .....
> 05-Sep 04:11 iserver-sd: Writing spooled data to Volume. Despooling
> 536,904,194 bytes ...
> 05-Sep 04:12 iserver-sd: Spooling data again ...
> 05-Sep 04:19 iserver-sd: User specified spool size reached.
> 05-Sep 04:19 iserver-sd: Writing spooled data to Volume. Despooling
> 536,904,197 bytes ...
> 05-Sep 04:20 iserver-sd: Spooling data again ...
> 05-Sep 04:25 iserver-sd: Committing spooled data to Volume. Despooling
> 403,373,976 bytes ...
> 05-Sep 04:26 iserver-sd: Sending spooled attrs to the Director.
> Despooling 88,360,603 bytes ...
> 05-Sep 07:02 iserver-dir: Bacula 1.36.2 (28Feb05): 05-Sep-2006 07:02:35
> ...
> FD Bytes Written: 28,773,270,290
> SD Bytes Written: 28,820,945,157
> Rate: 867.7 KB/s
>
>
> As you can see, the last phase of Spooling is at 4:26, but it takes
> 2h:30m to finish.
> What is Bacula doing when "Commintting" and when "Sending spooled attrs"?
Committing spooled data to volume is the process of writing the spooled
date onto tape. From the spool file to the tape drive.
Sending spooled attributes is the process of sending the metadata to the
director for it to put it into the catalog.
> The previous flush steps ("Writing spooled data...") were very fast,
> 512Mb written at high speed.
> Then this last long step cause a final Rate very low.
That might indicate a slow database. It usually does, I'd say. Which
database do you use? SQLite is known to be rather slow, PostgreSQL and
MySQL can be slow but can be tweaked to be faster. Either by changing
the database server configuration, or by adding, removing or modifying
table indexes as you need them.
Arno
> <http://www.sonicle.com>
> Gabriele Bulfon - Sonicle S.r.l.
> Tel +39 028246016 Int. 30 - Fax +39 028243880
> Via Felice Cavallotti 16 - 20089, Rozzano - Milano - ITALY
> http://www.sonicle.com
>
>
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--
IT-Service Lehmann [EMAIL PROTECTED]
Arno Lehmann http://www.its-lehmann.de
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Using Tomcat but need to do more? Need to support web services, security?
Get stuff done quickly with pre-integrated technology to make your job easier
Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
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