Re: git gc --aggressive led to about 40 times slower "git log --raw"

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



David Kastrup <dak@xxxxxxx> writes:

> Duy Nguyen <pclouds@xxxxxxxxx> writes:
>
>> OK with git://git.savannah.gnu.org/emacs.git we have
>>
>>  - a 209MB pack with --aggressive
>>  - 1.3GB with --depth=50
>>  - 1.3GB with --window=4000 --depth=32
>>  - 1.3GB with --depth=20
>>  - 821MB with --depth=250 for commits --before=2.years.ago, --depth=50
>> for the rest
>>
>> So I don't think we should go with your following patch because the
>> size explosion is just too much no matter how faster it could be. An
>> immediate action could be just make --depth=250 configurable and let
>> people deal with it. A better option is something like "3 repack
>> steps" you described where we pack deep depth first, mark .keep, pack
>> shallower depth and combine them all into one.
>>
>> I'm not really happy with --depth=250 producing 209MB while
>> --depth=250 --before=2.year.ago a 800MB pack. It looks wrong (or maybe
>> I did something wrong)
>
> That does look strange: Emacs has a history of more than 30 years.  But
> the Git mirror is quite younger.  Maybe one needs to make sure to use
> the author date rather than the commit date here?

Another thing: did you really use --depth=250 here or did you use
--aggressive?  It may be that the latter also sets other options?

-- 
David Kastrup
--
To unsubscribe from this list: send the line "unsubscribe git" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux Kernel Development]     [Gcc Help]     [IETF Annouce]     [DCCP]     [Netdev]     [Networking]     [Security]     [V4L]     [Bugtraq]     [Yosemite]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux SCSI]     [Fedora Users]