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From: Jeff Garzik <jeff@garzik.org>
To: Pete Zaitcev <zaitcev@redhat.com>
Cc: Project Hail List <hail-devel@vger.kernel.org>
Subject: Re: Design challenges in chunkd self-checking
Date: Tue, 05 Jan 2010 16:02:58 -0500	[thread overview]
Message-ID: <4B43A902.5070105@garzik.org> (raw)
In-Reply-To: <20100105134702.1e72ced2@redhat.com>

On 01/05/2010 03:47 PM, Pete Zaitcev wrote:
> On Tue, 22 Dec 2009 22:36:16 -0500
> Jeff Garzik<jeff@garzik.org>  wrote:
>
>> Seems like a mutex-wrapped GLib hash table would work...
>
> I dunno about this... See, I think it's like kernel timers: there's a
> lot of premium on having add and remove quick, and the rest is whatever.
> The important part is not to penalize the latency of normal requests
> only to make self-checking faster. That process takes hours to loop
> anyway, maybe days.
>
> I went with a list for now.

How is an O(n) list faster than an O(1) hash table?

	Jeff



  reply	other threads:[~2010-01-05 21:02 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
2009-12-23  3:36     ` Jeff Garzik
2010-01-05 20:47       ` Pete Zaitcev
2010-01-05 21:02         ` Jeff Garzik [this message]
2010-01-05 21:39           ` Pete Zaitcev
2010-01-05 21:53             ` Jeff Garzik
2010-01-05 22:10               ` Pete Zaitcev

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