Hello Kafka users, developers and client-developers, This is the fourth candidate for release of Apache Kafka 1.1.1.
Apache Kafka 1.1.1 is a bug-fix release for the 1.1 branch that was first released with 1.1.0 about 3 months ago. We have fixed about 25 issues since that release. A few of the more significant fixes include: KAFKA-6925 <https://issues.apache.org/jira/browse/KAFKA-6925> - Fix memory leak in StreamsMetricsThreadImpl KAFKA-6937 <https://issues.apache.org/jira/browse/KAFKA-6937> - In-sync replica delayed during fetch if replica throttle is exceeded KAFKA-6917 <https://issues.apache.org/jira/browse/KAFKA-6917> - Process txn completion asynchronously to avoid deadlock KAFKA-6893 <https://issues.apache.org/jira/browse/KAFKA-6893> - Create processors before starting acceptor to avoid ArithmeticException KAFKA-6870 <https://issues.apache.org/jira/browse/KAFKA-6870> - Fix ConcurrentModificationException in SampledStat KAFKA-6878 <https://issues.apache.org/jira/browse/KAFKA-6878> - Fix NullPointerException when querying global state store KAFKA-6879 <https://issues.apache.org/jira/browse/KAFKA-6879> - Invoke session init callbacks outside lock to avoid Controller deadlock KAFKA-6857 <https://issues.apache.org/jira/browse/KAFKA-6857> - Prevent follower from truncating to the wrong offset if undefined leader epoch is requested KAFKA-6854 <https://issues.apache.org/jira/browse/KAFKA-6854> - Log cleaner fails with transaction markers that are deleted during clean KAFKA-6747 <https://issues.apache.org/jira/browse/KAFKA-6747> - Check whether there is in-flight transaction before aborting transaction KAFKA-6748 <https://issues.apache.org/jira/browse/KAFKA-6748> - Double check before scheduling a new task after the punctuate call KAFKA-6739 <https://issues.apache.org/jira/browse/KAFKA-6739> - Fix IllegalArgumentException when down-converting from V2 to V0/V1 KAFKA-6728 <https://issues.apache.org/jira/browse/KAFKA-6728> - Fix NullPointerException when instantiating the HeaderConverter Kafka 1.1.1 release plan: https://cwiki.apache.org/confluence/display/KAFKA/Release+Plan+1.1.1 Release notes for the 1.1.1 release: http://home.apache.org/~lindong/kafka-1.1.1-rc3/RELEASE_NOTES.html *** Please download, test and vote by Thursday, July 12, 12pm PT *** Kafka's KEYS file containing PGP keys we use to sign the release: http://kafka.apache.org/KEYS * Release artifacts to be voted upon (source and binary): http://home.apache.org/~lindong/kafka-1.1.1-rc3/ * Maven artifacts to be voted upon: https://repository.apache.org/content/groups/staging/ * Javadoc: http://home.apache.org/~lindong/kafka-1.1.1-rc3/javadoc/ * Tag to be voted upon (off 1.1 branch) is the 1.1.1-rc3 tag: https://github.com/apache/kafka/tree/1.1.1-rc3 * Documentation: http://kafka.apache.org/11/documentation.html * Protocol: http://kafka.apache.org/11/protocol.html * Successful Jenkins builds for the 1.1 branch: Unit/integration tests: *https://builds.apache.org/job/kafka-1.1-jdk7/162 <https://builds.apache.org/job/kafka-1.1-jdk7/162>* System tests: https://jenkins.confluent.io/job/system-test-kafka/job/1.1/156/ Please test and verify the release artifacts and submit a vote for this RC, or report any issues so we can fix them and get a new RC out ASAP. Although this release vote requires PMC votes to pass, testing, votes, and bug reports are valuable and appreciated from everyone. Regards, Dong