Bayesian SpamDB Rebuild FAQ
From ASSPSMTP
(Redirected from SpamDB Rebuild FAQ)
Recommended ASSP settings
In the web interface under "Other Settings", check the values for for MaxFiles & MaxBytes
- MaxFiles should be set to 14000
- MaxBytes should be set to 4000
If your values are larger you should change them to the recommended settings above.
Note: In version 1.3.3.8 and later, these options are located in the "Collecting" section of the web interface.
Bayesian Normality/norm
See Bayesian normality for a detailed explanation.
Server Hardware
- How much memory does my server need?
- The recommended amount of memory for a small to medium install is 512MB.
- For large installs 1GB is recommended, especially if the MTA is running on the same hardware.
- How much free memory does my server need to rebuild the database?
- The rebuildspamdb.pl script usually needs 50MB+ for 5000 spam/ham messages using the above settings.
- Servers with a full corpus of 18000 files will usually require from 230MB up to 330MB of free memory.
- How fast should my servers processor be?
- 1.2Ghz is the minimum recommended for medium volume servers.
- How much cpu is used when running the rebuild script?
- The rebuild process is highly CPU intensive, usage from 80-100% is not uncommon.
- How long does it take to rebuild the database?
- On the following specs with 18000 spam and 16800 ham messages it takes 15 minutes to rebuild the database.
- 2.0 GHz AMD Athlon 64 3000+, 512MB memory.
- The OS is Server 2003 Standard running inside VMware.
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