Tuning /proc/sys on Linux for Cyrus

[Sebastian Hagedorn]

Hi,

I wonder if there is common wisdom on this list about how to tune the 
values in /proc/sys under Linux for a large Cyrus installation. We run RH 
AS 2.1 on a pair of servers that have 8 GB of RAM built-in. For almost two 
years we have struggeled with problems caused by the bad cache management 
of 32-bit Linux 2.4 on large memory machines. We have now reduced the 
memory of the machines to 2 GB, which has improved matters to some degree.

Now RH support has recommended tuning /proc/sys/vm/pagecache and possibly 
other parameters. Does anybody have experience tuning these values for 
Cyrus? I'd be glad for any hints regarding this.

Thanks, Sebastian Hagedorn
--
Sebastian Hagedorn M.A. - RZKR-R1 (Gebäude 52), Zimmer 18
Zentrum für angewandte Informatik - Universitätsweiter Service RRZK
Universität zu Köln / Cologne University - Tel. +49-221-478-5587
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