[yocto] linux-yocto fetch bottleneck

[Gary Thomas]

On 2014-03-24 17:18, Jate S wrote:
> What is the name of the mirror tarball that's created? I am trying to
> see if it worked. I saw no log messages stating "Creating tarball of
> git repository".

It will look something like this (for the opkg-utils_git recipe)
  downloads/git2_git.yoctoproject.org.opkg-utils.tar.gz

You should then  arrange to move/copy any of these tarballs to your mirror
so you benefit from this the next time around (when building in a new/different
build tree)

> On Fri, Mar 21, 2014 at 6:04 PM, Gary Thomas <gary at mlbassoc.com> wrote:
>> On 2014-03-21 15:54, Jate S wrote:
>>> The documentation has warnings of space usage. Will it start using
>>> lots of space? If so, can I use it on a per mirror basis?
>>
>> Yes, the tarballs can be quite large, but they are incredibly useful
>> with a local mirror.  Especially when you consider that updating a GIT
>> checkout, e.g. the Linux kernel. can take a *really* long time.
>>
>>> I am using a local mirror, so maybe the space usage will not be a problem.
>>
>> The space needed will not be terribly different than what you've already
>> encountered without generating the tarballs.
>>
>> n.b. it's polite to keep replies on the mailing list so that everyone benefits.
>>
>>> On Fri, Mar 21, 2014 at 5:33 PM, Gary Thomas <gary at mlbassoc.com> wrote:
>>>> On 2014-03-21 15:27, Jate S wrote:
>>>>> I am running into a bottleneck with the linux-yocto recipe on dora
>>>>> 1.5.1. The fetch retrieves git2_git.yoctoproject.org.git.tar.gz, but
>>>>> then it hits a bottleneck when it must do a git fetch to update to the
>>>>> required references. The git server does not have high bandwdith.
>>>>>
>>>>> One workaround that I've found is to archive the git repository and
>>>>> replace the tar.gz in the downloads directory. The recipe then finds
>>>>> the required references.
>>>>>
>>>>> Would BB_GENERATE_MIRROR_TARBALLS actually take care of this? Any
>>>>> other recommendations?
>>>>
>>>> Yes, that's exactly what BB_GENERATE_MIRROR_TARBALLS does.  The updated
>>>> tarball will end up in your downloads directory.  If you use any sort of
>>>> local mirror, you'll want to push the new tarball to it for the next time.
>>
>> --
>> ------------------------------------------------------------
>> Gary Thomas                 |  Consulting for the
>> MLB Associates              |    Embedded world
>> ------------------------------------------------------------

-- 
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Gary Thomas                 |  Consulting for the
MLB Associates              |    Embedded world
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