Re: How expansive "bzr update" for Emacs trunk?

["Andreas Röhler" <andreas.roehler@easy-emacs.de>]

Am 01.08.2010 13:10, schrieb Oleksandr Gavenko:
> On 2010-07-31 22:20, Andreas Röhler wrote:
>> Am 31.07.2010 19:04, schrieb Oleksandr Gavenko:
>>> On 2010-07-27 11:13, Tassilo Horn wrote:
>>>> Oleksandr Gavenko<gavenkoa@gmail.com> writes:
>>>>
>>>> Hi Oleksandr,
>>>>
>>>>> I mark that "bzr update" take about 1 MiB for
>>>>> "Finding Revisions" and a lot MiB
>>>>> (5.5 MiB between yesterday and today).
>>>>>
>>>>> Is really bzr so dumb that require a lot of network traffic?
>>>>
>>>> Yes, accessing a bzr repository via http produces extremely much
>>>> network
>>>> traffic.
>>>>
>>>>> I restricted with 3G or GPRS Internet connection.
>>>>> One time a month commit I get about 5 hours
>>>>> (~7 KiB/sec download speed)!
>>>>
>>>> Oh, that must be really awful.
>>>>
>>>>> So may be good switch to ssh protocol and set compression?
>>>>
>>>> Yes, it's planned to switch the Emacs repository to a smart server
>>>> using
>>>> ssh access. See the following tickets on savannah and the discussion:
>>>>
>>>> https://savannah.gnu.org/support/?107077
>>>> https://savannah.gnu.org/support/index.php?107143
>>>> http://lists.gnu.org/archive/html/savannah-hackers-public/2010-03/msg00011.html
>>>>
>>>>
>>>>
>>>>
>>>> But the latest traffic seems to be in March, so I have no clue about
>>>> the
>>>> current status...
>>>
>>> Thanks for replay. A read tickets.
>>>
>>> This ticket valuable for developer.
>>>
>>> I need only read access
>>
>>
>> In this case you may try
>>
>> git clone git://repo.or.cz/emacs.git
>>
>> an emacs-clone at a git-repo, updated quite often.
>>
>> Should be faster.
>
> Thanks. I try use git mirror. Also I found wiki link:
>
> http://www.emacswiki.org/emacs/EmacsFromGit
>
> There are two other mirror links.
>

still 2 mirrors mirroing the mirror mentioned


> Interesting that wiki state that git mirror occupy ~300 MiB.
> My local bzr 2.0 repo occupy:
>
> $ du -s -m emacs/.bzr
> 260 emacs/.bzr
> $ du -s -m emacs/trunk/.bzr
> 1 emacs/trunk/.bzr
>
> So we may be think that bzr storage more efficient.

the first looks like "about 300 MB", as emacs-wiki says, the second just 
like empty.


>
> But also I sadly notice that such simple operation as
> getting log or annotate for trunk files take about 15-20 seconds!

should be faster with git too

>
> May be because large history.
>
> My experience with Mercurial and
> server side SVN with up to 30.000 commits take
> less then 1-2 sec. for this operations.
>