On Thu, 11 Sep 2003, Abigail Marshall wrote:
>
> CW> Ok, I re-learned most of it :/
> CW> Does anyone have an idea why it can happen that
> CW> this database loses its content?
>
> I don't know but I have the same problem.  It seems to
> happen when my bayes_toks file reaches about 5k.
>
> I run a nightly sa-learn cron job and I've turned on debug
> mode for this to try to figure out what is happening.
>
> So far, I've lost the bayes database 3 times. If I monitor
> it closely, I can recover it as my system has a 24-hour
> backup, so I can retrieve the previous days' bayes_toks
> file, delete the bayes_seen file, and then run sa-learn
> --rebuild to recover function.

Abigail,
Which variety of database are you using in your perl installation?
The "DB_File" module (based upon the Sleepycat Berkeley DB) is
quite reliable. (In fact, SA 2.60 demands it, won't work with any
other).

I typically run 4~5 Megabytes for a bayes_toks file size and
havn't seen that kind of problem.

Now it is the case that certain older versions of the Berkeley DB
had file locking issues on some platforms, so it would be advisable
to be sure that your DB_File module is using a reasonably new
version of Berkeley DB (V3.3 or so).

-- 
Dave Funk                                  University of Iowa
<dbfunk (at) engineering.uiowa.edu>        College of Engineering
319/335-5751   FAX: 319/384-0549           1256 Seamans Center
Sys_admin/Postmaster/cell_admin            Iowa City, IA 52242-1527
#include <std_disclaimer.h>
Better is not better, 'standard' is better. B{



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