Re: XATTR_PAX migration

On 09/10/2013 08:52 AM, "Tóth Attila" wrote:
> 2013.Szeptember 10.(K) 13:50 időpontban Anthony G. Basile ezt írta:
>> On 09/09/2013 06:06 PM, Alex Efros wrote:
>>> Hi!
>>>
>>> On Mon, Sep 09, 2013 at 05:26:57PM -0400, Anthony G. Basile wrote:
>>>> install is being wrapped by install.py.  As a result every instance of
>>>> install mean invoking the python interpreter.  With lots and lots of
>>>> installs, this adds up to being very slow.
>>>
>>> Why not just add a patch for `install`? Even if you will just exec
>>> `paxctl-ng` at end of `install` it still will be much faster.
>>>
>>
>> We decided that changing the default behavior of install was not a good
>> idea.  See [1]
>>
>> There are places where we have to do pax markings before install. We
>> could do them twice, that was the other option.  When I wrote the python
>> wrapper, I had no idea it was going to be this slow.
>>
>> Ref
>> [1] https://bugs.gentoo.org/show_bug.cgi?id=470660
>>
>> --
>> Anthony G. Basile, Ph. D.
>> Chair of Information Technology
>> D'Youville College
>> Buffalo, NY 14201
>> (716) 829-8197
>>
>
> Dear blueness: what is the future perspective?
>

Well right now, I don't have a hard plan.  I'll need to speak with Zac 
Medico how he might want to replace that wrapper.  It should be possible 
to just drop in a compiled version of install with our patch that 
preserves *just* user.pax.flags.

cc-ing Zac.

-- 
Anthony G. Basile, Ph. D.
Chair of Information Technology
D'Youville College
Buffalo, NY 14201
(716) 829-8197