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From: James Cloos <cloos@jhcloos.com>
To: ding@gnus.org
Subject: Re: fast list
Date: Thu, 21 Oct 2010 15:13:55 -0400	[thread overview]
Message-ID: <m3d3r3gxys.fsf@jhcloos.com> (raw)
In-Reply-To: <m34ocf1qqt.fsf@quimbies.gnus.org> (Lars Magne Ingebrigtsen's message of "Thu, 21 Oct 2010 17:59:22 +0200")

>>>>> "LMI" == Lars Magne Ingebrigtsen <larsi@gnus.org> writes:

LMI> James Cloos <cloos@jhcloos.com> writes:
>> The amount of data is the same, it just takes longer to grab it one
>> group at a time than all at once.  Part of the extra delay is the extra
>> round trips.

LMI> There are no extra round trips between Gnus and the IMAP server.  The
LMI> data is streamed.

But there is between the imapd and the sql server when using something
like dbmail, archivopterix or similar.

>> Part of it is that scanning the tables and indices for
>> one group takes nearly as long as scanning them for all of the groups.

LMI> Yeah, that would explain the slow-down.  But I don't think that's
LMI> something that's true for most IMAP servers.

Even those which do not have the imapd as a middleware can benefit from
streaming the disk accesses.

-JimC
-- 
James Cloos <cloos@jhcloos.com>         OpenPGP: 1024D/ED7DAEA6



  reply	other threads:[~2010-10-21 19:13 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-10-17  5:15 James Cloos
2010-10-17 22:02 ` Lars Magne Ingebrigtsen
2010-10-17 22:58   ` James Cloos
2010-10-18 19:10     ` Lars Magne Ingebrigtsen
2010-10-18 20:49       ` James Cloos
2010-10-18 21:03         ` Lars Magne Ingebrigtsen
2010-10-18 23:17           ` James Cloos
2010-10-18 23:38             ` Lars Magne Ingebrigtsen
2010-10-19 16:00               ` James Cloos
2010-10-19 16:13                 ` Steinar Bang
2010-10-19 18:12                   ` Lars Magne Ingebrigtsen
2010-10-19 20:56                   ` James Cloos
2010-10-19 18:12                 ` Lars Magne Ingebrigtsen
2010-10-19 21:05                   ` James Cloos
2010-10-20  0:07                     ` Lars Magne Ingebrigtsen
2010-10-20 18:47                       ` James Cloos
2010-10-21 15:59                         ` Lars Magne Ingebrigtsen
2010-10-21 19:13                           ` James Cloos [this message]
2010-10-22 14:51                             ` Lars Magne Ingebrigtsen
2010-10-19  5:58           ` Steinar Bang
2010-10-19 18:11             ` Lars Magne Ingebrigtsen

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