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From: "Gumbel, Matthew K" <matthew.k.gumbel@intel.com>
To: "git@vger.kernel.org" <git@vger.kernel.org>
Subject: git commit results in many lstat()s
Date: Wed, 1 Feb 2017 21:45:25 +0000	[thread overview]
Message-ID: <DA0A42D68346B1469147552440A645039A9C56D4@ORSMSX115.amr.corp.intel.com> (raw)

Hello,

My high level problem is to speed up git commit on a large repository stored on NFS filesystem. I see via strace that it is slow because it makes a large number (~50,000) of lstat() calls in serial. Every call is a round-trip to the NFS server.

I do not understand why git commit must call lstat() on every file in the repository, even when I specify the name of the file I want to commit on the command line. Can somebody explain why it must call lstat on every file?

My command-line looks like this: git commit -uno -o -m asdf file-to-commit.txt

Secondly, are there any optimizations I can make to avoid this behavior?

Thanks,
Matt


             reply	other threads:[~2017-02-01 21:45 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-02-01 21:45 Gumbel, Matthew K [this message]
2017-02-01 22:11 ` git commit results in many lstat()s Junio C Hamano
2017-02-01 22:26   ` Gumbel, Matthew K
2017-02-01 23:50     ` Junio C Hamano
2017-02-02  0:14       ` Gumbel, Matthew K
2017-02-02  0:25         ` brian m. carlson

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