[Zodb-checkins] CVS: StandaloneZODB/bsddb3Storage - README:1.6

Barry Warsaw barry@wooz.org
Mon, 5 Nov 2001 17:09:12 -0500


Update of /cvs-repository/StandaloneZODB/bsddb3Storage
In directory cvs.zope.org:/tmp/cvs-serv4039

Modified Files:
	README 
Log Message:
Add a little more info on our experiences.


=== StandaloneZODB/bsddb3Storage/README 1.5 => 1.6 ===
     http://www.sleepycat.com/docs/ref/transapp/throughput.html
 
+    One thing we can safely say is that the default Berkeley cache
+    size of 256KB is way too low to be useful.  Be careful setting
+    this too high though, as performance will degrade if you tell
+    Berkeley to consume more than the available resources.  For our
+    tests, on a 256MB machine, we've found that a 128MB cache appears
+    optimal.  YMM(and probably will!)V.
+
     As you read this, it will be helpful to know that the
     bsddb3Storage databases all use BTree access method.