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From: Theodore Tso <tytso@MIT.EDU>
To: Jeff King <peff@peff.net>
Cc: Will Palmer <wmpalmer@gmail.com>,
	Avery Pennarun <apenwarr@gmail.com>,
	git@vger.kernel.org
Subject: Re: Why is "git tag --contains" so slow?
Date: Thu, 8 Jul 2010 06:29:04 -0400	[thread overview]
Message-ID: <11D5771D-EB47-42E9-BCC3-69C8FE1999EC@MIT.EDU> (raw)
In-Reply-To: <20100707174546.GA4979@coredump.intra.peff.net>


On Jul 7, 2010, at 1:45 PM, Jeff King wrote:

>     And of course it's just complex, and I tend to shy away from
>     complexity when I can. The question to me comes back to (1) above.
>     Is massive clock skew a breakage that should produce a few
>     incorrect results, or is it something we should always handle?

Going back to the question that kicked off this thread, I wonder if there
is some way that cacheing could be used to speed up the all cases,
or at lest the edge cases, without imposing as much latency as tracking
the max skew?   i.e., some thing like gitk's gitk.cache file.  For bonus
points, it could be a cache file that is used by both gitk and git tag
--contains, git branch --contains, and git name-rev.

Does that sound like reasonable idea?

--Ted

  reply	other threads:[~2010-07-08 10:34 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-01  0:54 Why is "git tag --contains" so slow? Theodore Ts'o
2010-07-01  0:58 ` Shawn O. Pearce
2010-07-03 23:27   ` Sam Vilain
2010-07-01  1:00 ` Avery Pennarun
2010-07-01 12:17   ` tytso
2010-07-01 15:03     ` Jeff King
2010-07-01 15:38       ` Jeff King
2010-07-02 19:26         ` tytso
2010-07-03  8:06           ` Jeff King
2010-07-04  0:55             ` tytso
2010-07-05 12:27               ` Jeff King
2010-07-05 12:33                 ` [RFC/PATCH 1/4] tag: speed up --contains calculation Jeff King
2010-10-13 22:07                   ` Jonathan Nieder
2010-10-13 22:56                   ` Clemens Buchacher
2011-02-23 15:51                   ` Ævar Arnfjörð Bjarmason
2011-02-23 16:39                     ` Jeff King
2010-07-05 12:34                 ` [RFC/PATCH 2/4] limit "contains" traversals based on commit timestamp Jeff King
2010-10-13 23:21                   ` Jonathan Nieder
2010-07-05 12:35                 ` [RFC/PATCH 3/4] default core.clockskew variable to one day Jeff King
2010-07-05 12:36                 ` [RFC/PATCH 4/4] name-rev: respect core.clockskew Jeff King
2010-07-05 12:39                 ` Why is "git tag --contains" so slow? Jeff King
2010-10-14 18:59                   ` Jonathan Nieder
2010-10-16 14:32                     ` Clemens Buchacher
2010-10-27 17:11                       ` Jeff King
2010-10-28  8:07                         ` Clemens Buchacher
2010-07-05 14:10                 ` tytso
2010-07-06 11:58                   ` Jeff King
2010-07-06 15:31                     ` Will Palmer
2010-07-06 16:53                       ` tytso
2010-07-08 11:28                         ` Jeff King
2010-07-08 13:21                           ` Will Palmer
2010-07-08 13:54                             ` tytso
2010-07-07 17:45                       ` Jeff King
2010-07-08 10:29                         ` Theodore Tso [this message]
2010-07-08 11:12                           ` Jakub Narebski
2010-07-08 19:29                             ` Nicolas Pitre
2010-07-08 19:39                               ` Avery Pennarun
2010-07-08 20:13                                 ` Nicolas Pitre
2010-07-08 21:20                                   ` Jakub Narebski
2010-07-08 21:30                                     ` Sverre Rabbelier
2010-07-08 23:10                                       ` Nicolas Pitre
2010-07-08 23:15                                     ` Nicolas Pitre
2010-07-08 11:31                           ` Jeff King
2010-07-08 14:35                           ` Johan Herland
2010-07-08 19:06                           ` Nicolas Pitre
2010-07-07 17:50                       ` Jeff King

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