Thanks Madhu! Awesome to see the transparency and announces around this :D.
Do you know how long the reimport should take on Monday? I want to make sure I know when to expect we can safely launch all our scripts. On 20 January 2016 at 13:08, Madhumitha Viswanathan <[email protected]> wrote: > Hi all, > > In order to convert tables on db1046 to the TokuDB engine - we have to > schedule some downtime on the Eventlogging databases between tomorrow, > Thursday Jan 21, 2016 at 16:00 UTC to Monday Jan 25, 2016 16:00 UTC. > > What this means for EL users: > > 1. Eventlogging will still receive data and it will be available in Kafka. > The data will continue to be imported into Hadoop and files. > 2. The Mysql consumers of Eventlogging will be stopped, so no data will get > imported into the master(db1046 or m4-master) and by extension to the > analytics-store. > 3. Querying existing data from analytics-store will still be available, but > data for the next 4 days won't be available. > 4. On Monday, after the maintenance window we'll restart the Mysql > consumers, and all the data should get reimported from Kafka. > > Analytics and Ops(DBA) will work on this together. > > Feel free to reach out to us here or on #wikimedia-analytics if you have any > concerns/questions. > > > -- Madhu Viswanathan > Software Engineer, Analytics > > _______________________________________________ > Engineering mailing list > [email protected] > https://lists.wikimedia.org/mailman/listinfo/engineering > -- Oliver Keyes Count Logula Wikimedia Foundation _______________________________________________ Analytics mailing list [email protected] https://lists.wikimedia.org/mailman/listinfo/analytics
