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From Niall Pemberton <niall.pember...@gmail.com>
Subject Re: Graduated projects please tidy up: abdera aries buildr chemistry esme oodt river shiro thrift uima
Date Fri, 04 Mar 2011 01:50:55 GMT
On Fri, Mar 4, 2011 at 12:54 AM, Mattmann, Chris A (388J)
<chris.a.mattmann@jpl.nasa.gov> wrote:
>
>>
>> "dist" is a distribution area - mirrored so that when people download
>> they usually end up on a mirror site. This spreads the load of people
>> downloading our software. Projects shouldn't be linking to specific
>> artifacts in the dist area - they should be linking to a download page
>> where links to mirrors are available.
>
> I know that. I wasn't suggesting they link to the direct actual artifacts via dist --
I was suggesting direct links via dyn/closer.cgi, per practice.
>
> Either way, those dyn/closer.cgi links are invalidated if we move them out of the dist
area. I could have a release email (and have plenty of times in the past, and seen this in
other projects) where they link to the dyn/closer.cgi for a particular release version. If
we "clean" the dist area (the active archive), all those links are invalid in the mail archives.
>
> There is a concept of "active" archive, and "deep archive".
>
> Dist is the active archive. The archive.apache.org is the "deep archive". Both should
exist, and both should have a copy of the data.
>

Dist isn't an archive - its a distribution area archive.apache.org is
the archive.

Niall

> Cheers,
> Chris
>
>>
>> Niall
>>
>>>> Keeping the dist area tidy with only current releases
>>>> means that this huge ASF-wide content is mirrored efficiently.
>>>
>>> At what cost? In my mind, there is a subtle point lost here.
>>>
>>> Archiving is good and it has to do with mirroring. What i'm advocating for is
preservation. We should never delete the original copy dists for *any project*. It creates
disconnects between the world-wide mirroring system that is called email, and locally caching
things, and archiving and cataloging links.
>>>
>>> The cost of invalidating those negates a ton of the savings that you're proposing.
>>>
>>>>
>>>> Also, we don't mirror archive.a.o via that dist system.
>>>
>>> Gotcha.
>>>
>>>>
>>>> I just had a look at Tika download page. It does as i suggested
>>>> earlier: They link to
>>>> archive.apache.org/dist/tika/
>>>> for old releases
>>>> and to
>>>> archive.apache.org/dist/incubator/tika/
>>>> for the older incubator releases.
>>>
>>> Yeah I think we updated that. I couldn't remember if we actually directly linked
to incubator.a.o. I think I might have even updated that when I noticed the links were broke
on the site.
>>>
>>> Regardless, we should haven't to update it it. I'm proposing that's *it's a good
thing* to have an original + 1 copy from a reliability and software preservation perspective.
>>>
>>> Cheers,
>>> Chris
>>>
>>> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>> Chris Mattmann, Ph.D.
>>> Senior Computer Scientist
>>> NASA Jet Propulsion Laboratory Pasadena, CA 91109 USA
>>> Office: 171-266B, Mailstop: 171-246
>>> Email: chris.a.mattmann@nasa.gov
>>> WWW:   http://sunset.usc.edu/~mattmann/
>>> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>> Adjunct Assistant Professor, Computer Science Department
>>> University of Southern California, Los Angeles, CA 90089 USA
>>> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>>
>>>
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>>>
>>>
>>
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>
>
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> Chris Mattmann, Ph.D.
> Senior Computer Scientist
> NASA Jet Propulsion Laboratory Pasadena, CA 91109 USA
> Office: 171-266B, Mailstop: 171-246
> Email: chris.a.mattmann@nasa.gov
> WWW:   http://sunset.usc.edu/~mattmann/
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> Adjunct Assistant Professor, Computer Science Department
> University of Southern California, Los Angeles, CA 90089 USA
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>
>
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> To unsubscribe, e-mail: general-unsubscribe@incubator.apache.org
> For additional commands, e-mail: general-help@incubator.apache.org
>
>

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