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  • Release Plan 1.1.0 (2018 Feb.)
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Release Dates

  • KIP Freeze: January 23, 2018 (a KIP must be accepted by this date in order to be considered for this release)
  • Feature Freeze: January 30, 2018 (major features merged & working on stabilization, minor features have PR, release branch cut; anything not in this state will be automatically moved to the next release in JIRA)
  • Code Freeze: February 13, 2018 (first RC created now)
  • Release: March 28, 2018 (Tentatively)


These dates are goals and subject to change, but we expect to stay on the Time Based Release Plan unless unexpected critical issues come up. While the target release date is fixed at ~2w after code freeze, RCs will roll out as needed until the release vote passes.

The release manager is Damian Guy.

Release Features

This is a list of key features/improvements/bugfixes that we can include with release notes (WIP):

  • Significant Controller improvements (much faster and session expiration edge cases fixed)
  • Data balancing across log directories (JBOD)
  • More efficient replication when the number of partitions is large
  • Dynamic Broker Configs
  • Delegation tokens (KIP-48)
  • Kafka Streams API improvements (KIP-205 / 210 / 220 / 224 / 239)

How to Contribute

Before code freeze:

  • Participate in votes and discussions to land or postpone the open KIPs
  • Review patches. We anticipate that this release will be bottlenecked mostly on reviews. The more reviewers, the more content we can fit in.
  • Write unit/integration/system tests. We want to preserve the tradition of high-quality releases in Apache Kafka. 

After code freeze:

  • Write more unit/integration/system testsWe want to preserve the tradition of high-quality releases in Apache Kafka.
  • Improve documentation
  • Test the release candidates
  • Open blocker JIRAs on critical issues found. Open non-blocker JIRAs on any other issues found.
  • Fix critical bugs
  • Review bug fixes
  • Vote on RCs. Even though only PMC votes are binding, community votes are super important as we evaluate the readiness of the release

Open Issues

Key Summary T Created Updated Due Assignee Reporter P Status Resolution
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Also feel free to refer to this release page for more details of the included tickets.

 

Planned KIP Content

Note: The planned content is not binding - final content will be based the features committed by branch-cutting date. See Kafka Improvement Proposals for the full list of KIPs.

KIPJIRAComponentCommitter
KIP-86: Configurable SASL callback handlers KAFKA-4292 - Getting issue details... STATUS BrokerRajini Sivaram
KIP-91 Provide Intuitive User Timeouts in The Producer Client?
KIP-145 - Expose Record Headers in Kafka Connect KAFKA-5142 - Getting issue details... STATUS ConnectEwen Cheslack-Postava
KIP-149: Enabling key access in ValueTransformer, ValueMapper, and ValueJoiner

KAFKA-4218 - Getting issue details... STATUS

KAFKA-4726 - Getting issue details... STATUS

KAFKA-5764 - Getting issue details... STATUS

StreamsGuozhang Wang

KIP-171 - Extend Consumer Group Reset Offset for Stream Application

KAFKA-5520 - Getting issue details... STATUS StreamsGuozhang Wang
KIP-183 - Change PreferredReplicaLeaderElectionCommand to use AdminClient KAFKA-5692 - Getting issue details... STATUS MultipleIsmael Juma
KIP-203: Add toLowerCase support to sasl.kerberos.principal.to.local rule  KAFKA-5764 - Getting issue details... STATUS SecurityJason Gustafson
KIP-204 : Adding records deletion operation to the new Admin Client API KAFKA-5925 - Getting issue details... STATUS Admin ClientGuozhang Wang
KIP-205: Add all() and range() API to ReadOnlyWindowStore KAFKA-4499 - Getting issue details... STATUS StreamsGuozhang Wang
KIP-208: Add SSL support to Kafka Connect REST interface KAFKA-4029 - Getting issue details... STATUS ConnectEwen Cheslack-Postava
KIP-210 - Provide for custom error handling when Kafka Streams fails to produce KAFKA-6086 - Getting issue details... STATUS StreamsDamian Guy
KIP-212: Enforce set of legal characters for connector names KAFKA-4930 - Getting issue details... STATUS ConnectEwen Cheslack-Postava
KIP-214: Add zookeeper.max.in.flight.requests config to the broker KAFKA-5894 - Getting issue details... STATUS BrokerJiangjie Qin
KIP-215: Add topic regex support for Connect sinks KAFKA-3073 - Getting issue details... STATUS ConnectEwen Cheslack-Postava
KIP-218: Make KafkaFuture.Function java 8 lambda compatible KAFKA-6018 - Getting issue details... STATUS ClientEwen Cheslack-Postava
KIP-220: Add AdminClient into Kafka Streams' ClientSupplier KAFKA-6170 - Getting issue details... STATUS StreamsGuozhang Wang
KIP-223 - Add per-topic min lead and per-partition lead metrics to KafkaConsumer KAFKA-6184 - Getting issue details... STATUS ClientJun Rao

KIP-224: Add configuration parameter `retries` to Streams API

KAFKA-6122 - Getting issue details... STATUS StreamsGuozhang Wang
KIP-225 - Use tags for consumer “records.lag” metrics KAFKA-5890 - Getting issue details... STATUS ClientJiangjie Qin
KIP-226 - Dynamic Broker Configuration KAFKA-6240 - Getting issue details... STATUS BrokerRajini Sivaram
KIP-227 - Introduce Incremental FetchRequests to Increase Partition Scalability KAFKA-6254 - Getting issue details... STATUS BrokerJun Rao
KIP-229: DeleteGroups API KAFKA-6275 - Getting issue details... STATUS MultipleJason Gustafson

KIP-233: Simplify StreamsBuilder#addGlobalStore

KAFKA-6138 - Getting issue details... STATUS StreamsMatthias J. Sax
KIP-237: More Controller Health Metrics KAFKA-3473 - Getting issue details... STATUS BrokerIsmael Juma
KIP-238: Expose Kafka cluster ID in Connect REST API KAFKA-6311 - Getting issue details... STATUS ConnectJason Gustafson
KIP-239 Add queryableStoreName() to GlobalKTable KAFKA-6265 - Getting issue details... STATUS StreamsGuozhang Wang
KIP-243: Make ProducerConfig and ConsumerConfig constructors public KAFKA-6382 - Getting issue details... STATUS ClientMatthias J. Sax

KIP-247: Add public test utils for Kafka Streams

KAFKA-3625 - Getting issue details... STATUS StreamsGuozhang Wang
KIP-48: Delegation token support for Kafka KAFKA-4541 - Getting issue details... STATUS Broker 

Postponed to subsequent release

KIPJIRAComponentCommitter

KIP-149: Enabling key access in ValueTransformer, ValueMapper, and ValueJoiner

(only partially implemented in 1.1.0)

KAFKA-4218 - Getting issue details... STATUS

KAFKA-4726 - Getting issue details... STATUS

KAFKA-5764 - Getting issue details... STATUS

Streams?
KIP-150 - Kafka-Streams Cogroup KAFKA-6049 - Getting issue details... STATUS Streams ?
KIP-245: Use Properties instead of StreamsConfig in KafkaStreams constructor KAFKA-6386 - Getting issue details... STATUS Streams?

 

 

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