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

Tue Feb 28 17:20:02 UTC 2017

And, we’re back up!  Thanks all!  Everything went smoothly.

(Big thanks to Luca for driving.)

-Andrew & Luca

On Tue, Feb 28, 2017 at 9:07 AM, Andrew Otto <otto at wikimedia.org> wrote:

> 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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