Hi, We need to delay this switchover. We’ve made some changes to the plan that require a bit more prep work. Follow https://phabricator.wikimedia.org/T185225 for more details.
I’ll reply with another announcement email when we set a new date. - Andrew Otto Senior Systems Engineer, WMF On Tue, May 15, 2018 at 11:43 AM, Andrew Otto <o...@wikimedia.org> wrote: > Hi all! > > *If you are not an active user of the EventStreams service, you can ignore > this email.* > > We’re in the process of upgrading > <https://phabricator.wikimedia.org/T152015> the backend infrastructure > that powers the EventStreams service. When we switch EventStreams to the > new infrastructure <https://phabricator.wikimedia.org/T185225>, the > ‘offsets’ AKA Last-Event-IDs will change. > > Connected EventStreams SSE clients will reconnect and not be able to > automatically consume from the exact position in the stream where they left > off. Instead, reconnecting clients will begin consuming from the latest > messages in the stream. This means that connected clients will likely miss > any messages that occurred during the reconnect period. Hopefully this > will be a very small number of messages, as your SSE client should > reconnect quickly. > > This switch is scheduled to happen on June 5 2018, at around 17:30 UTC. > > Let us know if you have any questions. > > Thanks! > - Andrew Otto > Senior Systems Engineer, WMF > > > > > > > >
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