EventStreams offset reset - June 14 2018

classic Classic list List threaded Threaded
1 message Options
Reply | Threaded
Open this post in threaded view
|

EventStreams offset reset - June 14 2018

Andrew Otto
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 <[hidden email]> 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 <[hidden email]> 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
>>
>>
>>
>>
>>
>>
>>
>>
>
_______________________________________________
Wiki-research-l mailing list
[hidden email]
https://lists.wikimedia.org/mailman/listinfo/wiki-research-l