Large dirs [Was: Re: Clustering and replication]

[Joel Nimety]

Janne Peltonen wrote:
> On Tue, Jan 30, 2007 at 11:01:03AM +0100, Simon Matter wrote:
>>> This might be a problem, since we have some users that really have 10000
>>> messages in their INBOX. Although it seems that Cyrus itself cannot cope
>>> with this either... in our current, non-clustering setup. But then, it's
>>> an old version.
>> Interesting, I have some folders with ~100'000 messages and cyrus handles
>> it very nice. Did you say you have a problem with 10'000 messages in a
>> mailbox?
> 
> I didn't inspect the case at all closely, but yes, there was one user
> with some 10'000 messages in one folder experiencing slowdown, and after
> I suggested him to clean up his INBOX, there were no more complaints.
> But it was (is) really an old version of Cyrus on a very busy server.

What fs are you using?  ext3 without special flags whould choke on
10-20k message per directory.  ResierFS (and maybe XFS?  JFS?) handle
large numbers of files per directory >20K just fine


> 
> 
> --Janne
> ----
> Cyrus Home Page: http://cyrusimap.web.cmu.edu/
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> 

-- 
Joel Nimety
Product Architect
203.541.3416
jnimety at perimeterusa.com
http://www.perimeterusa.com



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