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From: Michael Haggerty <mhagger@alum.mit.edu>
To: Junio C Hamano <gitster@pobox.com>
Cc: Ronnie Sahlberg <sahlberg@google.com>, git@vger.kernel.org
Subject: Re: [PATCH 0/3] Use ref transactions for fetch
Date: Tue, 06 May 2014 22:53:08 +0200	[thread overview]
Message-ID: <53694BB4.2030904@alum.mit.edu> (raw)
In-Reply-To: <xmqq61lig38j.fsf@gitster.dls.corp.google.com>

On 05/06/2014 08:40 PM, Junio C Hamano wrote:
> Michael Haggerty <mhagger@alum.mit.edu> writes:
> 
>> It would be pretty annoying to spend a lot of time fetching a big pack,
>> only to have the fetch fail because one reference out of many couldn't
>> be updated.  This would force the user to download the entire pack
>> again,...
> 
> Is that really true?  Doesn't quickfetch optimization kick in for
> the second fetch?

Yes, I guess it would.  I wasn't aware of that optimization.  Thanks for
the pointer.

I withdraw my objection to using atomic reference updates for fetch.

Michael

-- 
Michael Haggerty
mhagger@alum.mit.edu
http://softwareswirl.blogspot.com/

      reply	other threads:[~2014-05-06 20:53 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-22 18:45 [PATCH 0/3] Use ref transactions for fetch Ronnie Sahlberg
2014-04-22 18:45 ` [PATCH 1/3] fetch.c: clear errno before calling functions that might set it Ronnie Sahlberg
2014-04-23 20:12   ` Eric Sunshine
2014-04-24 15:21     ` Ronnie Sahlberg
2014-04-22 18:45 ` [PATCH 2/3] fetch.c: change s_update_ref to use a ref transaction Ronnie Sahlberg
2014-04-23 20:12   ` Eric Sunshine
2014-04-24 15:22     ` Ronnie Sahlberg
2014-04-22 18:45 ` [PATCH 3/3] fetch.c: use a single ref transaction for all ref updates Ronnie Sahlberg
2014-04-23 20:17   ` Eric Sunshine
2014-04-24 15:23     ` Ronnie Sahlberg
2014-05-05 11:22 ` [PATCH 0/3] Use ref transactions for fetch Michael Haggerty
2014-05-05 15:08   ` Ronnie Sahlberg
2014-05-06 18:40   ` Junio C Hamano
2014-05-06 20:53     ` Michael Haggerty [this message]

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