Change Details

Blockers: [] All current eventlogging bugs are resolved and data is confirmed by Tilman (see {T158172}). [x] Deployment must not happen prior to May 8 Plan (YMMV): [] Deployment must happen in few stages (3 or more) in order to make rollback easier – if we start overloading the edge caches (and origin servers potentially), say. * Deploy to a chunk of 50 wikis and assess the impact on Page Previews, RESTBase, and Varnish performance, if any. * https://grafana.wikimedia.org/dashboard/db/reading-web-page-previews * https://grafana.wikimedia.org/dashboard/db/varnish-caching?var-cluster=text&var-site=All * If there's no significant impact, then increase the chunk size to 100/150/200. [] The Ops and Services teams are notified after each deploy. [] We pause for a day (at least) between deploys so that each team has a chance to observe the effect of increased load. = Current status [] A patch has been uploaded https://gerrit.wikimedia.org/r/#/c/351287/ and is blocked pending a discussion. = Open questions What is the discussion blocking the roll out?

Blockers: [] All current eventlogging bugs are resolved and data is confirmed by Tilman (see {T158172}). [x] Deployment must not happen prior to May 8 Plan (YMMV): [] Deployment must happen in few stages (3 or more) in order to make rollback easier – if we start overloading the edge caches (and origin servers potentially), say. * Deploy to a chunk of 50 wikis and assess the impact on Page Previews, RESTBase, and Varnish performance, if any. * https://grafana.wikimedia.org/dashboard/db/reading-web-page-previews * https://grafana.wikimedia.org/dashboard/db/varnish-caching?var-cluster=text&var-site=All * If there's no significant impact, then increase the chunk size to 100/150/200. [] The Ops and Services teams are notified after each deploy. [] We pause for a day (at least) between deploys so that each team has a chance to observe the effect of increased load. = Current status [] A patch has been uploaded https://gerrit.wikimedia.org/r/#/c/351287/ and is blocked pending a discussion.

Blockers: [] All current eventlogging bugs are resolved and data is confirmed by Tilman (see {T158172}). [x] Deployment must not happen prior to May 8 Plan (YMMV): [] Deployment must happen in few stages (3 or more) in order to make rollback easier – if we start overloading the edge caches (and origin servers potentially), say. * Deploy to a chunk of 50 wikis and assess the impact on Page Previews, RESTBase, and Varnish performance, if any. * https://grafana.wikimedia.org/dashboard/db/reading-web-page-previews * https://grafana.wikimedia.org/dashboard/db/varnish-caching?var-cluster=text&var-site=All * If there's no significant impact, then increase the chunk size to 100/150/200. [] The Ops and Services teams are notified after each deploy. [] We pause for a day (at least) between deploys so that each team has a chance to observe the effect of increased load. = Current status [] A patch has been uploaded https://gerrit.wikimedia.org/r/#/c/351287/ and is blocked pending a discussion. = Open questions What is the discussion blocking the roll out?