[Engineering] 1.31.0-wmf.16 MediaWiki train blocker - Rollback

Fri Jan 12 17:56:02 UTC 2018

<quote name="Greg Grossmeier" date="2018-01-11" time="12:27:35 -0800">
> We just had to rollback 1.31.0-wmf.16 from group1 (eg: all
> non-wikipedias), so -wmf.16 is only on group0 at this time.
> 
> The issue is a data corruption bug[0]. The relevant people are aware.

Status update: The fix is merged into master (with a backport to wmf.16)
and thus on the Beta Cluster for testing. Given it is a Friday we will
attempt a continuation of the train on Monday (per policy[0]), to be
coordinated with Mukunda and/or Tyler (it's on the border of a train
conductor switch over) and Addshore.

Greg

[0] <https://wikitech.wikimedia.org/wiki/Deployments/Holding_the_train#What_happens_next?>

-- 
| Greg Grossmeier            GPG: B2FA 27B1 F7EB D327 6B8E |
| Release Team Manager            A18D 1138 8E47 FAC8 1C7D |
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