Freezing jenkins.impala.io Wed 2018-02-07 (today) at 6pm PST

[Alexander Behm]

Jenkins will be upgraded today.

Timeline:
6pm Wed 2018-02-07: Jenkins will stop accepting new jobs
10pm Wed 2018-02-07: Jenkins will restart

If all goes well Jenkins should be back online the morning of Wed
2018-02-08 (PST)