Alright, we are now ready to do this. New date: June 14 2018, around 14:00 UTC.
On Tue, Jun 5, 2018 at 9:31 AM, Andrew Otto <o...@wikimedia.org> wrote: > 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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