[imp] Imp Speed Help

[Paul Fielding]

I would suspect it's something *other* than an IMAP issue since using an 
alternate IMAP client everything goes quickly.  Of course, that doesn't mean 
that it's IMP, but perhaps something else to do with the client box?  I've been 
trying to deal with this sort of problem myself so I'll be interested to see if 
anything comes out of this... :)

Paul

Quoting Mike Coughlan <mcoughlan@gothambroadband.com>:

> This is probably not an IMP issue.  UW stores all mail in one file. 
> Courier
> stores them in one file a piece.  It is much faster to head the contents
> of
> a large dir than to grep all it's contents.  UW is probably the
> bottleneck.
> Check an IMAP list for more details.
> 
> Also, try enabling DB support, we had issues with shared memory and IMP
> 2.2.4 that went away with Postgres DB support.  That gave us a
> performance
> increase.
> 
> 
> 
> 
> > -----Original Message-----
> > From: Lomax P Boyd [mailto:lboyd@umd.umich.edu]
> > Sent: Friday, October 26, 2001 9:26 AM
> > To: imp@lists.horde.org
> > Subject: [imp] Imp Speed Help
> >
> >
> > I've searched the list and found a few threads on large mailboxes and
> > imp. Some appear to have no problem with them others do (like us). In
> > our test environment with no other users 600 messages takes approx 45
> > seconds to download with IMP verses 12-14secs with messenger.
> > Our Config:
> >
> > apache 139 (Sun x1e 1gig memory)
> > php 405 (compiled with uw-imap 4.7c libraries)
> > Horde 126
> > Imp 226
> > Solaris 8
> > Netscape Enterprise Imap server 3.6 (Test box Sun Ultra 10 256kmemory)
> >
> > Read a tip about chmod +t on the mailboxes to put them in memory, but
> > that didn't seem to improve things, also followed a thread about imap
> > caching which appears not to be a real fix. The problem seems to be
> with
> > the IMAP server itself when loaded the inbox header information. Is it
> > possible that the uw-imap libraries are causing a problem with
> > netscape?  Would moving IMP local to the machine help? (don't believe
> it
> > will since it still needs to use 143 to talk the imap server).
> >
> > If more info is desired we can supply it, any help or suggestions will
> > be appreciated...
> >
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> 
> 
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