From: David Kastrup <dak@gnu.org>
Date: Fri, 21 Mar 2014 06:04:17 GMT
Subject: Re: [PATCH v2] Bump core.deltaBaseCacheLimit to 128MiB
Message-ID: <87y504ccke.fsf@fencepost.gnu.org>
In-Reply-To: <xmqqob10wlac.fsf@gitster.dls.corp.google.com>

Junio C Hamano <gitster@pobox.com> writes:

> David Kastrup <dak@gnu.org> writes:
>
>> Junio C Hamano <gitster@pobox.com> writes:
>>
>>> Duy Nguyen <pclouds@gmail.com> writes:
>>>
>>>> The only
>>>> downside I see is large blobs will be packed  undeltified, which could
>>>> increase pack size if you have lots of them.
>>>
>>> I think that is something that can be tweaked, unless the user tells
>>> us otherwise via command line override, when running the improved
>>> "gc --aggressive" ;-)
>>
>> deltaBaseCacheLimit is used for unpacking, not for packing.
>
> Hmm, doesn't packing need to read existing data?

Judging from the frequent out-of-memory conditions of git gc
--aggressive, packing is not restrained by deltaBaseCacheLimit.

-- 
David Kastrup