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List:       git
Subject:    Re: GIT issue while cloning (fatal: pack is corrupted (SHA1 mismatch)) !!!
From:       Jeff King <peff () peff ! net>
Date:       2019-06-28 23:55:33
Message-ID: 20190628235532.GA2625 () sigill ! intra ! peff ! net
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On Fri, Jun 28, 2019 at 04:18:37PM +0000, Vanak, Ibrahim wrote:

> But HPUX Dev team have seen one significance difference, when they
> were triaging this issue, the ways GIT operations handled by 2 OSs: On
> linux, around 40 processes are spawned for handling a GIT operation
> whereas on HPUX only one process manages the operation. Is there
> something special being written for linux on GIT code ?

On Linux (and any platform that supports pthreads), Git will do the
lstat() operations to refresh the index in parallel. See the
core.preloadIndex option (which I think defaults to true).

If you have a very high-latency lstat() and your build does not have
pthread support, that could be a significant difference.

That might be worth exploring.

-Peff
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