[imp] Imp Speed Help

Lomax P Boyd lboyd@umd.umich.edu
Fri, 26 Oct 2001 11:30:14 -0400


Paul, What is your setup? Perhaps we can exhange notes?

Paul Fielding wrote:
> 
> 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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> 
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