I was reading performance tuning information at http://cyrusimap.web.cmu.edu/imapd/install-perf.html I too have a large cyrus setup with minimum 600+ connections at a time We are upgrading to a 8GB Ram Dual Xeon box , I want to make sure we use the hardware optimally The document talks of increasing cache size in cyrus source which file do I change ? I made this change to the source ( patch file ). Will it work Index: lib/imapoptions =================================================================== --- lib/imapoptions (.../cyrus-2.3.7-DEFAULT) (revision 134) +++ lib/imapoptions (.../cyrus) (revision 134) @@ -155,7 +155,7 @@ creating the mailbox INBOX. The user's quota is set to the value if it is positive, otherwise the user has unlimited quota. */ -{ "berkeley_cachesize", 512, INT } +{ "berkeley_cachesize", 4096, INT } /* Size (in kilobytes) of the shared memory buffer pool (cache) used by the berkeley environment. The minimum allowed value is 20. The maximum allowed value is 4194303 (4GB). */ Thanks Ram ---- Cyrus Home Page: http://cyrusimap.web.cmu.edu/ Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html
