Description Denis Roy 2019-10-03 14:26:58 EDT

I am proposing an update to the IT SLA[1], specifically to the maintenance window. Currently, there is a maintenance window for Tier I and Tier II services set to Sundays from 6:00am to 8:00am. I'd like to change that to what reads below.

This will allow us to perform Kubernetes maintenance faster, which is only minimally disruptive. Only running build jobs would be terminated while a service is moved to another node during maintenance.


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Occasionally, services must be shut down for maintenance. Two maintenance windows will be utilized for systems upkeep, depending on the impact to the service:

Tier I & II, Blocking: Sunday, from 6:00am to 8:00am ET.
All Tiers, Non-blocking: The last Friday of every month, from 1:00pm ET to 5:00pm ET

Blocking maintenance means a service will be completely down for more than five minutes. Examples include: upgrading a service to a new version.  

Non-blocking maintenance means the service is not completely taken down and remains available; however, compute jobs can be interrupted during this maintenance while the service is transitioned to a different compute node.

At least three (3) days notice will be given for maintenance on Tier 1 and Tier 2 services affecting all users. In cases where the maintenance affects specific projects (such as SCM refactoring, or SCM migrations), notification and scheduling will be co-ordinated with the affected projects via bugzilla or public mailing list.

Emergency maintenance may occur at any time, and service notices will be made on a "Best Effort" basis.
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https://wiki.eclipse.org/IT_SLA