From: Pete Zaitcev <zaitcev@redhat.com>
To: Jeff Garzik <jeff@garzik.org>
Cc: Project Hail List <hail-devel@vger.kernel.org>
Subject: Re: Design challenges in chunkd self-checking
Date: Tue, 22 Dec 2009 18:40:14 -0700 [thread overview]
Message-ID: <20091222184014.22c5d1c5@redhat.com> (raw)
In-Reply-To: <4B314BAE.4010805@garzik.org>
On Tue, 22 Dec 2009 17:43:58 -0500
Jeff Garzik <jeff@garzik.org> wrote:
> It is normal and reasonable to maintain global information about all
> in-progress operations. Caching systems do that, for example, to ensure
> multiple cache requests for object A do not initiate multiple
> simultaneous back-end requests for object A.
Unfortunately, this requires a data structure that permits searching.
Since I lack the classical CS education, I cannot select an appropriate
structure beyond "double-linked list and a hope that we'll never see
more than 10 simultaneous I/Os".
-- Pete
next prev parent reply other threads:[~2009-12-23 1:40 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-22 21:41 Design challenges in chunkd self-checking Pete Zaitcev
2009-12-22 22:43 ` Jeff Garzik
2009-12-23 1:40 ` Pete Zaitcev [this message]
2009-12-23 3:36 ` Jeff Garzik
2010-01-05 20:47 ` Pete Zaitcev
2010-01-05 21:02 ` Jeff Garzik
2010-01-05 21:39 ` Pete Zaitcev
2010-01-05 21:53 ` Jeff Garzik
2010-01-05 22:10 ` Pete Zaitcev
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20091222184014.22c5d1c5@redhat.com \
--to=zaitcev@redhat.com \
--cc=hail-devel@vger.kernel.org \
--cc=jeff@garzik.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.