From: Adam Roben <aroben@apple.com>
To: Mike Hommey <mh@glandium.org>
Cc: git@vger.kernel.org, Junio C Hamano <gitster@pobox.com>
Subject: Re: [PATCH 0/9] Make git-svn fetch ~1.7x faster
Date: Mon, 22 Oct 2007 23:13:48 -0700 [thread overview]
Message-ID: <471D911C.6070704@apple.com> (raw)
In-Reply-To: <20071023060812.GA30978@glandium.org>
Mike Hommey wrote:
> On Mon, Oct 22, 2007 at 10:46:28PM -0700, Adam Roben wrote:
>
>> This patch series makes git-svn fetch about 1.7x faster by reducing the number
>> of forks/execs that occur for each file retrieved from Subversion. To do so, a
>> few new options are added to git-cat-file and git-hash-object to allow
>> continuous input on stdin and continuous output on stdout, so that one instance
>> of each of these commands can be kept running for the duration of the fetch.
>>
>
> You don't need to do this to avoid forks. Just use git-fast-import
> instead.
>
I agree that fast-import is probably ultimately a better solution for
this, but given that git-svn currently uses the output of every command
it forks off and that fast-import doesn't seem to give the same output,
changing git-svn to use fast-import would be a fairly sweeping change
that I didn't feel comfortable making without a better understanding of
git-svn.
-Adam
next prev parent reply other threads:[~2007-10-23 6:14 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-23 5:46 [PATCH 0/9] Make git-svn fetch ~1.7x faster Adam Roben
2007-10-23 5:46 ` [PATCH 1/9] Add tests for git cat-file Adam Roben
2007-10-23 5:46 ` [PATCH 2/9] git-cat-file: Small refactor of cmd_cat_file Adam Roben
2007-10-23 5:46 ` [PATCH 3/9] git-cat-file: Make option parsing a little more flexible Adam Roben
2007-10-23 5:46 ` [PATCH 4/9] git-cat-file: Add --stdin option Adam Roben
2007-10-23 5:46 ` [PATCH 5/9] git-cat-file: Add --separator option Adam Roben
2007-10-23 5:46 ` [PATCH 6/9] Add tests for git hash-object Adam Roben
2007-10-23 5:46 ` [PATCH 7/9] git-hash-object: Add --stdin-paths option Adam Roben
2007-10-23 5:46 ` [PATCH 8/9] Git.pm: Add command_bidi_pipe and command_close_bidi_pipe Adam Roben
2007-10-23 5:46 ` [PATCH 9/9] git-svn: Make fetch ~1.7x faster Adam Roben
2007-10-23 7:01 ` Johannes Sixt
2007-10-24 6:34 ` Eric Wong
2007-10-24 6:48 ` Adam Roben
2007-10-23 5:53 ` [PATCH 7/9] git-hash-object: Add --stdin-paths option Shawn O. Pearce
2007-10-23 5:57 ` Adam Roben
2007-10-23 6:10 ` Shawn O. Pearce
2007-10-24 6:11 ` Eric Wong
2007-10-23 6:59 ` [PATCH 6/9] Add tests for git hash-object Johannes Sixt
2007-10-24 3:43 ` [PATCH 5/9] git-cat-file: Add --separator option Brian Downing
2007-10-24 4:26 ` Adam Roben
2007-10-23 6:59 ` [PATCH 1/9] Add tests for git cat-file Johannes Sixt
2007-10-23 6:08 ` [PATCH 0/9] Make git-svn fetch ~1.7x faster Mike Hommey
2007-10-23 6:13 ` Adam Roben [this message]
2007-10-24 0:43 ` Sam Vilain
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