Re: [Xmldatadumps-l] changes coming to large dumps

[Ariel Glenn WMF]

Here it comes:

For the April 1st run and all following runs, the Wikidata dumps of
pages-meta-current.bz2 will be produced only as separate downloadable
files, no recombined single file will be produced.

No other dump jobs will be impacted.

A reminder that each of the single downloadable pieces has the siteinfo
header and the mediawiki footer so they may all be processed separately by
whatever tools you use to grab data out of the combined file. If your
workflow supports it, they may even be processed in parallel.

I am still looking into what the best approach is for the pags-articles
dumps.

Please forward wherever you deem appropriate. For further updates, don't
forget to check the Phab ticket!  https://phabricator.wikimedia.org/T179059

On Mon, Mar 19, 2018 at 2:00 PM, Ariel Glenn WMF 
wrote:

> A reprieve!  Code's not ready and I need to do some timing tests, so the
> March 20th run will do the standard recombining.
>
> For updates, don't forget to check the Phab ticket!
> https://phabricator.wikimedia.org/T179059
>
> On Mon, Mar 5, 2018 at 1:10 PM, Ariel Glenn WMF 
> wrote:
>
>> Please forward wherever you think appropriate.
>>
>> For some time we have provided multiple numbered pages-articles bz2 file
>> for large wikis, as well as a single file with all of the contents combined
>> into one.  This is consuming enough time for Wikidata that it is no longer
>> sustainable.  For wikis where the sizes of these files to recombine is "too
>> large", we will skip this recombine step. This means that downloader
>> scripts relying on this file will need to check its existence, and if it's
>> not there, fall back to downloading the multiple numbered files.
>>
>> I expect to get this done and deployed by the March 20th dumps run.  You
>> can follow along here: https://phabricator.wikimedia.org/T179059
>>
>> Thanks!
>>
>> Ariel
>>
>
>
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[Xmldatadumps-l] changes coming to large dumps

[Ariel Glenn WMF]

Please forward wherever you think appropriate.

For some time we have provided multiple numbered pages-articles bz2 file
for large wikis, as well as a single file with all of the contents combined
into one.  This is consuming enough time for Wikidata that it is no longer
sustainable.  For wikis where the sizes of these files to recombine is "too
large", we will skip this recombine step. This means that downloader
scripts relying on this file will need to check its existence, and if it's
not there, fall back to downloading the multiple numbered files.

I expect to get this done and deployed by the March 20th dumps run.  You
can follow along here: https://phabricator.wikimedia.org/T179059

Thanks!

Ariel
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