ableegoldman commented on a change in pull request #10573:
URL: https://github.com/apache/kafka/pull/10573#discussion_r620722055
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File path: docs/streams/upgrade-guide.html
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@@ -93,6 +95,12 @@ <h1>Upgrade Guide and API Changes</h1>
</p>
<h3><a id="streams_api_changes_300"
href="#streams_api_changes_300">Streams API changes in 3.0.0</a></h3>
+ <p>
+ The <code>StreamsConfig.EXACTLY_ONCE</code> and
<code>StreamsConfig.EXACTLY_ONCE_BETA</code> configs have been deprecated, and
a new <code>StreamsConfig.EXACTLY_ONCE_V2</code> config has been
+ introduced. This is the same feature as eos-beta, but renamed to
highlight its production-readiness. Users of exactly-once semantics should plan
to migrate to the eos-v2 config and prepare for the removal of the deprecated
configs in 4.0 or after at least a year
Review comment:
Well, I kind of thought that we did intentionally choose to call it
`beta` because we weren't completely confident in it when it was first
released. But we are now, and looking back we can say with hindsight that it
turned out to be production-ready back then. Still, I see your point, I'll make
it more explicit with something like that suggestion
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