[Dovecot] Dovecot / FreeBSD / Nfs mailstore / Index=memory

[Timo Sirainen]

On Wed, 2008-03-19 at 09:13 +0100, Xavier Beaudouin wrote:
> Hello,
> 
> I have recently changed imap from Courier-imap to dovecot because of  
> serial problems with courier-imap, I have being forced to do it very  
> quickly... and without extensives tests.
> 
> I have 3 mails servers (freebsd based) behind a load balancer and a  
> nfs mailstore on a netapp.
> 
> On my first tests I have setup the index into some nfs shared mount,  
> but it seems that some imap clients are going mad when deleting files  
> (mostly because they do open some new imap connection and the index  
> was not clean) so I have changed index to memory.
> 
> This has fixed one of my problems.

Best solution would be to use v1.1 and its mail_nfs_*=yes settings. They
make Dovecot work very well with NFS.

> Now I have some strange problems is that NFS activity passed from  
> about... 5mbps to more than 70Mpbs...

Do you use also POP3? Other than that I can't think of why it would give
worse performance than Courier.

Also have you read http://wiki.dovecot.org/NFS?

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