[Engineering] Analytics Cluster Hadoop Upgrade and Downtime: February 28 2017

[Andrew Otto]

Allllllright!  This is starting now.

On Mon, Feb 27, 2017 at 3:29 PM, Andrew Otto <otto at wikimedia.org> wrote:

> Just a reminder, we will be taking the Analytics Hadoop Cluster offline
> tomorrow morning EST.  I’ll email again tomorrow right before we do, and
> also once it is back up.
>
> -Andrew & Luca
>
>
> On Tue, Feb 14, 2017 at 2:31 PM, Andrew Otto <otto at wikimedia.org> wrote:
>
>> Hi everyone,
>>
>> We are planning an upgrade of the Hadoop cluster on February 28th.  We
>> need to take the cluster down for this upgrade.  The actual upgrade
>> shouldn’t take more than 2 hours, but we’re going to reserve the whole work
>> day of February 28th to do this, just in case something goes wrong.
>>
>> Hadoop, Hive and Spark will all be unavailable during this time.  (Kafka,
>> Druid, pivot, and stat* boxes will continue to be accessible.)
>>
>> You can keep track of our progress in Phabricator: https://phabricat
>> or.wikimedia.org/T152714
>>
>> If you have a hard need to use Hadoop on this day, let us know soon.  We
>> can reschedule this upgrade for another date if we need to.
>>
>> Thanks!
>> -Andrew & Luca, your friendly A-Team Ops Engineers :)
>>
>>
>>
>
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