MBOX-Line: From lyndon at orthanc.ca  Wed Jun 16 18:21:54 2010
To: imap-protocol@u.washington.edu
From: Lyndon Nerenberg <lyndon@orthanc.ca>
Date: Fri Jun  8 12:34:44 2018
Subject: [Imap-protocol] MOVE is a pipeline
In-Reply-To: <4C17D434.5080807@aol.com>
References: <1372616189.4386.1276624386644.JavaMail.root@dogfood.zimbra.com>
	<1276626345.2916.50.camel@kurkku.sapo.corppt.com>
	<484642146.4458.1276626832297.JavaMail.root@dogfood.zimbra.com>
	<4C17CBDA.6070604@gulbrandsen.priv.no> <4C17D434.5080807@aol.com>
Message-ID: <alpine.BSF.2.00.1006161821150.38002@legolas.orthanc.ca>

> How does everyone handle a large folder, say 500,000 messages?  In order to 
> process sequence numbers, you have to
> know which messages are in the set.  The few implementations I've seen do 
> this by loading the messages into a cache.

Bloom filters get you most of the way there.

--lyndon

