flat mailboxes performances for around 1500 entries

Simon Matter simon.matter at ch.sauter-bc.com
Fri Sep 2 02:40:37 EDT 2005


> Patrice wrote:
>> Thank you Dave !
>>
>> I will use 'flat' files then.
>>
>> a last question :  do you use flat for all cyrus files or just for
>> mailboxes.db ?
>
> For us, flat is where it's at.  We're using flat for everything.

Don't remember, at least for 2.2.x, annotation_db, duplicate_db and
ptscache_db can't be flat.

Simon

>
> I should probably give you more information to base your decision on,
> though.
>
> Our last setup was running cyrus 1.5.14.  We were using flat there, and
> as I recall there wasn't a choice at the time.  That was running on a
> single Sun Ultra-Enterprise 4500.  /var/imap was a regular Solaris ufs
> filesystem, and the amount of I/O to /var/imap was so severe that we
> ended up purchasing a solid state disk device to be able to cope.
>
> Our new setup is cyrus 2.1.17 running on a 4-node active-active Veritas
> cluster.  /var/imap is now a Veritas cluster filesystem that resides on
> a SAN.  We're not seeing any performance issues with our new setup.
>
> Thanks,
>
> Dave
>
>
>
> ----
> Cyrus Home Page: http://asg.web.cmu.edu/cyrus
> Cyrus Wiki/FAQ: http://cyruswiki.andrew.cmu.edu
> List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html
>
>




More information about the Info-cyrus mailing list