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

[Andrew Otto]

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://
> phabricator.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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