http://bugzilla.spamassassin.org/show_bug.cgi?id=3671





------- Additional Comments From [EMAIL PROTECTED]  2004-08-06 20:44 -------
Bug 2370 is the relevant one.

Looking in my own sa-dev archives I see this interesting conjunction of
messages. The first one:

 From: Daniel Quinlan <[EMAIL PROTECTED]>
 To: [EMAIL PROTECTED]
 Subject: [SAdev] DB learning speed in 2.55
 Date: Thu, 28 Aug 2003 00:30:56 -0700

SDBM_File was a lot faster than I expected (and even faster than
DB_File).  GDBM_File and NDBM_File are hopeless.

wall,user,system,major page faults,minor page faults

  SDBM
  Learned from 500 messages.
  Learned from 499 messages.
  31.60,27.55,2.60,1057,12668

  GDBM
  Learned from 500 messages.
  Learned from 499 messages.
  301.01,28.23,4.61,1079,18324

  NDBM
  Learned from 500 messages.
  Learned from 499 messages.
  386.22,28.15,4.60,1077,18531

  DB
  Learned from 500 messages.
  Learned from 499 messages.
  92.01,34.75,3.17,1145,12835

Daniel

   -------------

With a response from Justin:

How wierd.

I would suggest SDBM_File may be fast for reading, and slow for writing --
or vice-versa.  I can't imagine that 3-time speedup applies in all
cases...

--j.

 -----------

Followed the next day by the 2.60rc3 release announcement which says:

Changes since 2.60 rc2:
 [...]
- bug 2370: removed support for non-DB_File database modules in Bayes




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