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Pascal Clermont wrote:
> Hi,
> I was reading the archives and stumbled upon "[Bacula-users] Improving Backup 
> speed" thread which caught my eye since I am having issues.
> we backup over 6TB of small files during a full usually started on Friday 
> night these are far from being finished on Mondays. the transfer on the wire 
> is usually finished within 24 hours.
> My bottleneck being "Dir inserting Attributes" in my database. I only have 
> 2.5 Gb of ram on that machine and intend to upgrade by the end of the month. 
> (so far we intend to upgrade to 8gb of ram)
> 
> Something in the thread caught my eye :
> 
> "
> On Thu, 15 Jan 2009 13:31:54 +0100, Bruno Friedmann <bruno AT ioda-net DOT ch>
> wrote:
> I added the following indexes:
> 
> CREATE INDEX File_JobId_idx ON File(JobId);
> CREATE INDEX File_PathId_idx ON File(PathId);
> CREATE INDEX File_FilenameId_idx ON File(FilenameId);
> CREATE INDEX Path_PathId_idx ON Path(PathId);
> CREATE INDEX Job_FileSetId_idx ON Job(FileSetId);
> CREATE INDEX Job_ClientId_idx ON Job(ClientId);
> CREATE INDEX File_FilenameId-PathId_idx ON File(FilenameId,PathId);
> ....
> ....
> It remains to be seen whether the added indexing will impact insert/update
> performance, but I'll take a small performance hit if it means faster
> restores and sanity checks. "
> 
> As I am no database expert, Would I benefit from creating these indexes in 
> order to speed up attributes inserting?
> My database is already at 137G in size with only about 3 months of jobs. I've 
> ran the dbcheck a few times ( which takes ~48 hours to complete ) but do not 
> feel an improvement once that is done.
> 
> 
> Any tips/comments concerning improving database insertion would be greatly 
> appreciated.

I don't see any mention of MySQL or PostgreSQL.  Which are you using?

- --
Dan Langille

BSDCan - The Technical BSD Conference : http://www.bsdcan.org/
PGCon  - The PostgreSQL Conference:     http://www.pgcon.org/
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