hg clone is unbelievably slow

Weijun Wang weijun.wang at oracle.com
Tue Feb 6 15:05:17 UTC 2018


I haven't used it but looks like "hg bundle" is prefect for this purpose.

> On Feb 6, 2018, at 10:42 PM, Mario Torre <neugens.limasoftware at gmail.com> wrote:
> 
> I think it should be a fully functional mercurial repository once is unpacked.
> 
> What I have in mind is something that support this workflow (or similar):
> 
> $ hg clone  -r 12345 http://hg.openjdk.java.net/jdk10/client-gz
> $ tar xvfz client-gz.tgz && cd client-gz
> (do whatever, then some time later)
> $ hg log || hg pull -u || commit etc...
> 
> This should be just a few lines of scripting away.
> 
> Cheers,
> Mario
> 
> 
> 
> 2018-02-06 15:35 GMT+01:00 Thomas Stüfe <thomas.stuefe at gmail.com>:
>> Side question, we would only need to tar the .hg folder, no? And revive the
>> workspace with hg update?
>> 
>> On Tue, Feb 6, 2018 at 3:10 PM, Mario Torre <neugens.limasoftware at gmail.com>
>> wrote:
>>> 
>>> I think it should probably be done on demand, it may be more expensive
>>> to keep a commit based tgz otherwise.
>>> 
>>> In fact the most awesome thing would be to have a special repository
>>> that we clone but gives us back only the tgz to unpack locally, with
>>> all the history and correct hg paths.
>>> 
>>> Cheers,
>>> Mario
>>> 
>>> 2018-02-06 15:04 GMT+01:00 Remi Forax <forax at univ-mlv.fr>:
>>>> +1
>>>> 
>>>> creating a tgz at each commit doesn't seems that difficult ...
>>>> 
>>>> Rémi
>>>> 
>>>> ----- Mail original -----
>>>>> De: "Andrew Haley" <aph at redhat.com>
>>>>> À: "jdk-dev" <jdk-dev at openjdk.java.net>
>>>>> Envoyé: Mardi 6 Février 2018 11:50:07
>>>>> Objet: hg clone is unbelievably slow
>>>> 
>>>>> Half an hour or more here.  AFAIK the problem is due to the
>>>>> inefficiency of Mercurial itself and the hg protocol.
>>>>> 
>>>>> Aleksey Shipilev has done an experiment whereby trees are regularly
>>>>> cloned and compressed tarballs created; these can be downloaded in a
>>>>> couple of minutes.  But really we don't want to depend on the largesse
>>>>> of one developer: if we could download the OpenJDK trees directly by
>>>>> means of wget (or something similar) we would reduce the load on the
>>>>> servers and reduce the time taken to download as well.
>>>>> 
>>>>> --
>>>>> Andrew Haley
>>>>> Java Platform Lead Engineer
>>>>> Red Hat UK Ltd. <https://www.redhat.com>
>>>>> EAC8 43EB D3EF DB98 CC77 2FAD A5CD 6035 332F A671
>>> 
>>> 
>>> 
>>> --
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>>> 
>>> Java Champion - Blog: http://neugens.wordpress.com - Twitter: @neugens
>>> Proud GNU Classpath developer: http://www.classpath.org/
>>> OpenJDK: http://openjdk.java.net/projects/caciocavallo/
>>> 
>>> Please, support open standards:
>>> http://endsoftpatents.org/
>> 
>> 
> 
> 
> 
> -- 
> pgp key: http://subkeys.pgp.net/ PGP Key ID: 80F240CF
> Fingerprint: BA39 9666 94EC 8B73 27FA  FC7C 4086 63E3 80F2 40CF
> 
> Java Champion - Blog: http://neugens.wordpress.com - Twitter: @neugens
> Proud GNU Classpath developer: http://www.classpath.org/
> OpenJDK: http://openjdk.java.net/projects/caciocavallo/
> 
> Please, support open standards:
> http://endsoftpatents.org/



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