I want to mention that data in Hadoop is only available from Aug 27th 2015.
Older data is only available in mysql.

On Tue, Dec 15, 2015 at 11:27 AM, Roan Kattouw <[email protected]>
wrote:

> If the data is going to be retained but would just become harder to query
> (i.e. still in Hadoop but not in mysql), maybe we could nuke data that's
> more than a year old (or 6 months old or something) from mysql?
>
> On Tue, Dec 15, 2015 at 9:35 AM, Andrew Otto <[email protected]> wrote:
>
>> We could blacklist this schema from the mysql database, and still keep
>> producing it.  It would be available in Hadoop either way.
>>
>>
>> On Dec 15, 2015, at 12:22, Jonathan Morgan <[email protected]> wrote:
>>
>> Hi Nuria,
>>
>> FWIW: Although I'm not using this right now, but I could see it being
>> useful for understanding the impact of new notification updates that are
>> coming down the pike.[1][2]
>>
>> What are the costs involved in keeping this schema up?
>>
>> Best,
>> J
>>
>> 1.
>> https://meta.wikimedia.org/wiki/Research:Cross-wiki_notifications_user_research
>> 2. https://phabricator.wikimedia.org/T116741
>>
>> On Tue, Dec 15, 2015 at 8:22 AM, Nuria Ruiz <[email protected]> wrote:
>>
>>> Roan:
>>>
>>> The data for Echo schema(https://meta.wikimedia.org/wiki/Schema:Echo)
>>> is quite large and we are not sure is even used.
>>>
>>> Can you confirm either way? If it is no longer used we will stop
>>> collecting it.
>>>
>>>
>>> Thanks,
>>>
>>> Nuria
>>>
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>>
>>
>> --
>> Jonathan T. Morgan
>> Senior Design Researcher
>> Wikimedia Foundation
>> User:Jmorgan (WMF) <https://meta.wikimedia.org/wiki/User:Jmorgan_(WMF)>
>>
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>>
>
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-- 
--Madhu :)
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