OK, thanks for the info. Pine ( https://meta.wikimedia.org/wiki/User:Pine )
On Wed, May 22, 2019, 03:01 Mukunda Modell <mmod...@wikimedia.org> wrote: > Indeed, routine Phabricator maintenance is scheduled to take place every > Wednesday at 0:00 UTC. > This maintenance window is not always utilized as we only make changes once > or twice each month. > When there is a maintenance task, typical downtime is less than 5 minutes. > When nothing needs to be done for a given week, > I try to at least !log the absence of any maintenance. Realistically though > I often forget to do that. > > This week the planned work involves a lot of changes so expect a few > minutes of downtime while we switch everything over. > Then we will take a few more minutes to validate that the new system is > working as expected, if not we will roll back to the old one. > > Optimistically I'd guess that the whole process takes 10 to 15 minutes with > downtime closer to 5 minutes. > > On Wed, May 22, 2019 at 2:02 AM Lewis Cawte via Wikitech-l < > wikitech-l@lists.wikimedia.org> wrote: > > > To answer the first part of your question, Pine, Daniel's email was sent > at > > 01:52 UTC on the 22nd. So tomorrow would refer to 00:00 on the 23rd. > > > > -- Lewis Cawte (Lcawte) > > > > On Wed, 22 May 2019 at 07:26, Pine W <wiki.p...@gmail.com> wrote: > > > > > Hi, thanks for the notice. Can you specify whether "tomorrow" refers to > > 22 > > > May UTC or 23 May UTC, and how long the maintenance window is likely to > > be? > > > Some of us may want to read or write a Phabricator > > > <strike>complaint</strike> task during the maintenance window, and if > we > > > know when to expect Phabricator may be temporarily unavailable then we > > can > > > plan accordingly. > > > > > > Pine > > > > > > ( https://meta.wikimedia.org/wiki/User:Pine ) > > > > > > > > > > > > > > > > > > On Tue, May 21, 2019, 17:52 Daniel Zahn <dz...@wikimedia.org> wrote: > > > > > > > Tomorrow we have planned a major upgrade of the Phabricator prod > > server. > > > > > > > > Starting from around 00:00 UTC (after Evening SWAT) we want to switch > > > from > > > > phab1001 to phab1003 as the production server. > > > > > > > > This will involve: > > > > > > > > - switching from jessie to stretch > > > > - switching from mod_php to php-fpm > > > > - switching from PHP 5 to PHP 7.2 > > > > - upgrading apache from 2.4.10 to 2.4.25 > > > > > > > > We are also hoping it will finally fix the httpd memory leaks we have > > > been > > > > seeing on the current server for a long time and which require > periodic > > > > service restarts. > > > > > > > > In case we run into any unexpected issue we will simply fall back to > > > > phab1001 > > > > and keep running as before. > > > > > > > > https://phabricator.wikimedia.org/T221389 > > > > https://phabricator.wikimedia.org/T182832 > > > > https://phabricator.wikimedia.org/T190568 > > > > https://phabricator.wikimedia.org/T151070 > > > > > > > > Cheers, > > > > > > > > Daniel and Mukunda > > > > > > > > -- > > > > Daniel Zahn <dz...@wikimedia.org> > > > > Operations Engineer > > > > _______________________________________________ > > > > Wikitech-l mailing list > > > > Wikitech-l@lists.wikimedia.org > > > > https://lists.wikimedia.org/mailman/listinfo/wikitech-l > > > _______________________________________________ > > > Wikitech-l mailing list > > > Wikitech-l@lists.wikimedia.org > > > https://lists.wikimedia.org/mailman/listinfo/wikitech-l > > _______________________________________________ > > Wikitech-l mailing list > > Wikitech-l@lists.wikimedia.org > > https://lists.wikimedia.org/mailman/listinfo/wikitech-l > _______________________________________________ > Wikitech-l mailing list > Wikitech-l@lists.wikimedia.org > https://lists.wikimedia.org/mailman/listinfo/wikitech-l _______________________________________________ Wikitech-l mailing list Wikitech-l@lists.wikimedia.org https://lists.wikimedia.org/mailman/listinfo/wikitech-l
