This is an automated email from the ASF dual-hosted git repository. mjsax pushed a commit to branch 2.5 in repository https://gitbox.apache.org/repos/asf/kafka.git
commit 622a3ac1e87d04b4728845bfc29c3772868cb4f9 Author: Boyang Chen <boy...@confluent.io> AuthorDate: Thu Mar 26 09:40:49 2020 -0700 KAFKA-9760: Add KIP-447 protocol change to upgrade notes (#8350) Reviewers: Matthias J. Sax <matth...@confluent.io>, Guozhang Wang <guozh...@confluent.io> --- docs/upgrade.html | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/docs/upgrade.html b/docs/upgrade.html index bb30735..2391025 100644 --- a/docs/upgrade.html +++ b/docs/upgrade.html @@ -30,6 +30,15 @@ <code>zookeeper.session.timeout.ms</code> has been increased from 6s to 18s and <code>replica.lag.time.max.ms</code> from 10s to 30s.</li> <li>New DSL operator <code>cogroup()</code> has been added for aggregating multiple streams together at once.</li> + <li>Added a new <code>KStream.toTable()</code> API to translate an input event stream into a KTable.</li> + <li>Added a new Serde type <code>Void</code> to represent null keys or null values from input topic.</li> + <li>Deprecated <code>UsePreviousTimeOnInvalidTimestamp</code> and replaced it with <code>UsePartitionTimeOnInvalidTimeStamp</code>.</li> + <li>Improved exactly-once semantics by adding a pending offset fencing mechanism and stronger transactional commit + consistency check, which greatly simplifies the implementation of a scalable exactly-once application. + We also added a new exactly-once semantics code example under + <a href="https://github.com/apache/kafka/tree/2.5/examples">examples</a> folder. Check out + <a href="https://cwiki.apache.org/confluence/display/KAFKA/KIP-447%3A+Producer+scalability+for+exactly+once+semantics">KIP-447</a> + for the full details.</li> <li>Scala 2.11 is no longer supported. See <a href="https://cwiki.apache.org/confluence/display/KAFKA/KIP-531%3A+Drop+support+for+Scala+2.11+in+Kafka+2.5">KIP-531</a> for details.</li>