Re: How git affects kernel.org performance

From: Krzysztof Halasa <khc@pm.waw.pl>
Date: Jan 7, 2007, 15:06 UTC
Message-ID: <m3odpazxit.fsf@defiant.localdomain>
In-Reply-To: <45A083F2.5000000@zytor.com>

"H. Peter Anvin" <hpa@zytor.com> writes:

Show 5 quoted lines

> During extremely high load, it appears that what slows kernel.org down
> more than anything else is the time that each individual getdents()
> call takes.  When I've looked this I've observed times from 200 ms to
> almost 2 seconds!  Since an unpacked *OR* unpruned git tree adds 256
> directories to a cleanly packed tree, you can do the math yourself.

Hmm... Perhaps it should be possible to push git updates as a pack file only? I mean, the pack file would stay packed = never individual files and never 256 directories?

People aren't doing commit/etc. activity there, right?

-- 
Krzysztof Halasa

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