From mboxrd@z Thu Jan  1 00:00:00 1970
From: nicolas.pouillard@gmail.com (Nicolas Pouillard)
Date: Tue, 22 Jan 2008 09:40:05 +0100
Subject: [sup-talk] header cache
In-Reply-To: <1200969359-sup-2816@south>
References: <704d6aa20801150454j635ed24p63fd544579c6e148@mail.gmail.com>
	<1200453820-sup-4777@south>
	<1200514969-sup-7541@clarabella.clarabella>
	<1200516410-sup-1963@south>
	<1200519319-sup-915@clarabella.clarabella>
	<1200557516-sup-8444@ausone.local>
	<1200570003-sup-1529@clarabella.clarabella>
	<1200581670-sup-9273@ausone.local> <1200969359-sup-2816@south>
Message-ID: <1200990925-sup-1529@ausone.local>

Excerpts from William Morgan's message of Tue Jan 22 03:36:48 +0100 2008:
> Reformatted excerpts from nicolas.pouillard's message of 2008-01-17:
> > That's because Sup needs to compute a hash from file names to message
> > ids.
> 
> Like IMAP headers, this is a one-time cost upon startup and could easily
> be cached. Maildir shouldn't be significantly slower than mbox except
> for this.

Looking  at  the  code  'scan_mailbox' seems to be called quite often (but not
more than every 30 seconds).

I'm  wondering  if  peeking  a  file  in  a very large directory is as fast as
seeking to a particular offset in a large file?

-- 
Nicolas Pouillard aka Ertai
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