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Out of memory problem

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Vlad View Drop Down
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    Posted: 28 June 2010 at 11:32am
Hi,

For a couple of month we trying to solve problem with "TBayesianThread - Exception occurred during LoadFromFile: Out of memory" next line "SpamFilterForm - corpus.db cannot be loaded, waiting 60 seconds".  corpus.db file is about 15-16MB, deleted, restarted service - after couple of hours same problem. Corpus Db files are grown fast and we need to delete it every 2 days. How can we solve this problem?


Also, we get "Exception occurred during RECEIVEMESSAGE: ( 1 2 2b 3 3a 4 5 6 7 8 9 11 12 13 15 16 111) Out of memory -- " when message with attachment received. Didn't find any solution or any suggestions what and how to check this issue.

Please advice.

Spamfilter ver. : v.4.0.1.785
Running on:
OS - Win 2003
2 CPU 2GB of RAM

Thanks.
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LogSat View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote LogSat Quote  Post ReplyReply Direct Link To This Post Posted: 29 June 2010 at 11:45pm
Vlad,

We're aware of this problem as it has been reported by multiple users, and have been trying to address it.
As a side-note, please note that Bayesian filter technology was introduced in SpamFilter 7 years ago, but is now a bit old, and spammers can easily work around it. For this reason, this filter is the last to be used to check for spam, as the other filters are usually more effective. With large installations we actually recommend disabling this filter, both to gain in performance and in accuracy, as again, spamers have learned to write emails in such a way as to bypass the Bayesian filters quite easily.
Roberto Franceschetti

LogSat Software

Spam Filter ISP
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yapadu View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote yapadu Quote  Post ReplyReply Direct Link To This Post Posted: 30 June 2010 at 1:41am
As Roberto mentions Bayesian is not such an effective system in Spamfilter anymore, we disabled it long ago and really did not notice any difference.

I know other systems still use the technique, but they employ the Bayesian hashes on a domain or per user basis.


Edited by yapadu - 30 June 2010 at 1:41am
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I am a user of SF, not an employee. Use any advice offered at your own risk.
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Vlad View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Vlad Quote  Post ReplyReply Direct Link To This Post Posted: 02 July 2010 at 12:35am
Thanks' for your answers. I'll try to disable it and let you know if it's better.


But what about

Originally posted by Vlad Vlad wrote:


Also, we get "Exception occurred during RECEIVEMESSAGE: ( 1 2 2b 3 3a 4 5 6 7 8 9 11 12 13 15 16 111) Out of memory -- " when message with attachment received. Didn't find any solution or any suggestions what and how to check this issue.


Thanks'
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