> -----Original Message-----
> From: [EMAIL PROTECTED]
[mailto:squirrelmail-
> [EMAIL PROTECTED] On Behalf Of Chris Hilts
> Sent: Monday, March 20, 2006 9:21 AM
> To: eCet
> Cc: squirrelmail-users@lists.sourceforge.net
> Subject: Re: [SM-USERS] Errors on thread view of over 20k messages
folder
> 
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> eCet wrote:
> > How can that big mailbox handled in SM? I'm not familiar with imap,
but
> > can that be not to query, and sort all messages at once? Only
smaller
> > peaces of it (eg5000 messages per slice). Than if user wants to view
> > older mails then read another 5000 mails in the interval the user
vants?
> 
> That's easy to do when you're not sorting.  Especially if you're not
> threading.  You can't grab the entire thread without looking for all
the
> pieces.
> 
> I suggest you either reduce the size of the mailbox being examined or
> implement an IMAP server which supports server-side sorting and
> threading.  You may also want to examine the mailbox storage that your
> IMAP server uses - maildir vs. mbox vs. other.


I agree with this last statement. The backend has a _lot_ to do with
this issue. We use an NFS appliance for a backend that we were
experiencing problems with (high latency) that caused the same issue
with large mailboxen. After correction I can open a maildir mailbox with
40,000+ messages successfully (after about 2 minutes). Using Courier,
server-side sorting, SM 1.4.5. Make sure your disks, etc are fast and
aren't experiencing high IO load and are optimized for reading.

--
Marc


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