[Samba] printers stop working (SOLVED, well kinda)

[Ryan Novosielski]

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armin walland wrote:
> for the search engines; we have found what the problem was.
> 
> there is a parameter called "max print jobs" which is 1000 by default so as 
> soon as the number of print jobs exceeds 1000 samba won't let users print 
> anymore.
> 
> we have so far not definitely found the reason why the number of jobs in the 
> tdb file keeps rising but we believe it might be some sort of locking problem 
> so that when clients (such as badly programmed *&%*$ access programs) send a 
> large number of print jobs very rapidly the smbd cannot remove finished print 
> jobs from the tdb file (fast enough? or because it is locked and the 
> remove-requests time out?) causing it to fill up over time.
> 
> so far we decided to set "max print jobs" to something reasonable large and 
> use a weekly or monthly cronjob to remove /var/cache/samba/printing/*.tdb and 
> reload smbd.
> 
> cheers! :)
> 

In cases like this, you really need to leave the original thread in the
message. I can tell you there was a bug in earlier versions of Samba
(early 3.0.x series) that would not die. I believe these days it was
resolved, but it had a very similar impact.

- --
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 |Y#| |  | |\/| |  \ |\ |  | |Ryan Novosielski - Systems Programmer II
 |$&| |__| |  | |__/ | \| _| |novosirj at umdnj.edu - 973/972.0922 (2-0922)
 \__/ Univ. of Med. and Dent.|IST/AST - NJMS Medical Science Bldg - C630
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