On Mon, 2005-10-03 at 16:43 +0100, Peter Farrow wrote: > Centos 4.0 and 4.1 seem to have a memory leak somewhere and I can't find > out what is doing it. I think it may be dovecot. > > I have installed hundreds of Linux machines, centos/redhat/suse in the > past as firewalls and mail relays and use the same/similar methodolgy > and config for each. > > I have found that since Centos 4.0 and 4.1 came along machines that have > run well for years and months, suddenly and systematically start running > out of memory after a few weeks/months of uptime. > > The symtpom is the load average goes up and up as the machine creeps > into swap usage and eventually the machine has to be rebooted.... > > this only happened with the introduction of Centos 4 and of course that > means Dovecot for the IMAP server.... > > hmmmm...... > > Anyone else seen this, There are memory leak problems with all kernels before 2.6.9-11.EL There may be some issues with that kernel too. Update 2 for EL4 should be released fairly soon, it will have a newer kernel that addresses some other memory leak issues. -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 189 bytes Desc: This is a digitally signed message part URL: <http://lists.centos.org/pipermail/centos/attachments/20051003/c5e90ccd/attachment-0005.sig>