From: erik quanstrom <quanstro@quanstro.net>
To: 9fans@cse.psu.edu, Dave Eckhardt <davide+p9@cs.cmu.edu>
Subject: Re: [9fans] acme mail on unix
Date: Fri, 20 Jan 2006 18:06:08 -0600 [thread overview]
Message-ID: <20060121000608.8868D15361@dexter-peak.quanstro.net> (raw)
In-Reply-To: <4948.1137798063@piper.nectar.cs.cmu.edu>
Dave Eckhardt <davide+p9@cs.cmu.edu> writes
| Instead my guess would be something more like: if you're
| rebuilding the quota database you can do so by N/M
| readdir()'s instead of N/M readdir()'s plus N stat()'s,
| which is probably a huge reduction in disk seeks, which
| would be attractive since almost everything stat() would
| be telling you would be irrelevant (e.g., inode number,
| permissions, actual disk blocks consumed).
i've heard ken has a solution to this that involves less code. ;-)
seriously, how does this make sense for a /user's/ maildir
located in the user's home directory?
notwithstanding that the very long filenames blow much
of the original savings.
- erik
next prev parent reply other threads:[~2006-01-21 0:06 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-18 16:46 Russ Cox
2006-01-18 17:56 ` Tim Wiess
2006-01-18 18:08 ` Tim Wiess
2006-01-18 19:10 ` Russ Cox
2006-01-19 16:17 ` Aaron Griffin
2006-01-19 16:24 ` Russ Cox
2006-01-19 21:28 ` Dan Cross
2006-01-19 21:58 ` Russ Cox
2006-01-20 2:38 ` geoff
2006-01-20 5:31 ` Scott Schwartz
2006-01-20 6:04 ` John Barham
2006-01-20 13:50 ` erik quanstrom
2006-01-20 23:01 ` Dave Eckhardt
2006-01-21 0:06 ` erik quanstrom [this message]
2006-01-20 13:58 ` erik quanstrom
2006-01-20 20:02 ` erik quanstrom
2006-01-20 20:12 ` uriel
2006-01-20 20:18 ` erik quanstrom
2006-01-20 20:41 ` uriel
2006-01-20 20:59 ` erik quanstrom
2006-01-20 22:58 Russ Cox
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