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We will bump this release version to 1.0.0, and also starting in this release we will have a slight difference in the version numbers such that:
- We will use three digits instead of four for the release versions:
- The first digit would indicate the major revision (starting at 1), and second indicating minor revision, and the last one number indicating the bug-fix revision; when preparing RCs of the release we will still suffix it after the release version number. I.e. major.minor.bug-fix[-rc_number]
Release Dates
- KIP Freeze: Sept 13, 2017 (a KIP must be accepted by this date in order to be considered for this release)
- Feature Freeze: Sept 20, 2017 (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: Oct 4, 2017 (first RC created now)
- Release: JTBD
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 Guozhang Wang.
Release Features
This is a list of key features/improvements/bugfixes that we can include with release notes (WIP):
- Drop support of Java 7 (KIP-118)
- JBOD support for disk failures (KIP-112)
- Kafka Streams API improvements (KIP-120 / 130 / 138 / 150 / 160 / 161), and drop compatibility "Evolving" annotations
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 tests. We 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 |
type |
created |
updated |
due |
assignee |
reporter |
priority |
status |
resolution |
JQL and issue key arguments for this macro require at least one Jira application link to be configured
|
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.
| KIP | JIRA | Component | Committer |
---|
1 | KIP-48 Delegation token support for Kafka |
Unable to render Jira issues macro, execution error.
| Security | ? |
2 | KIP-72: Allow putting a bound on memory consumed by Incoming request |
Unable to render Jira issues macro, execution error.
| Network | Jun Rao
|
3 | KIP-81: Bound Fetch memory usage in the consumer |
Unable to render Jira issues macro, execution error.
| Consumer | Jason Gustafson |
4 | KIP-112: Handle disk failure for JBOD |
Unable to render Jira issues macro, execution error.
| Broker | Jun Rao |
5 | KIP-113: Support replicas movement between log directories |
Unable to render Jira issues macro, execution error.
| Broker | Jun Rao |
6 | KIP-118: Drop Support for Java 7 in Kafka 0.11 |
Unable to render Jira issues macro, execution error.
| Build | guozhang Wang |
7 | KIP-120: Cleanup Kafka Streams builder API |
Unable to render Jira issues macro, execution error.
| Streams | guozhang Wang |
8 | KIP 130: Expose states of active tasks to KafkaStreams public API |
Unable to render Jira issues macro, execution error.
| Streams | guozhang Wang |
9 | KIP-138: Change punctuate semantics |
Unable to render Jira issues macro, execution error.
| Streams | Damian Guy |
10 | KIP-150 - Kafka-Streams Cogroup | TBD (Kyle Winkelman) | Streams | guozhang Wang |
11 | KIP-152 - Improve diagnostics for SASL authentication failures |
Unable to render Jira issues macro, execution error.
| Security | Ismael Juma Juma |
12 | KIP-160: Augment KStream.print(), KStream.writeAsText() |
Unable to render Jira issues macro, execution error.
| Streams | Damian Guy |
13 | KIP-161: streams deserialization exception handlers |
Unable to render Jira issues macro, execution error.
| Streams | Damian Guy |
14 | KIP-162: Enable topic deletion by default |
Unable to render Jira issues macro, execution error.
| Admin | Gwen Shapira |
15 | KIP-163: Lower the Minimum Required ACL Permission of OffsetFetch |
Unable to render Jira issues macro, execution error.
| Security | Ewen Cheslack-Postava |
16 | KIP-164- Add UnderMinIsrPartitionCount and per-partition UnderMinIsr metrics |
Unable to render Jira issues macro, execution error.
| Broker | Ewen Cheslack-Postava |
17 | KIP-167: Add interface for the state store restoration process |
Unable to render Jira issues macro, execution error.
| Streams | guozhang Wang |
18 | KIP-168: Add GlobalTopicCount and GlobalPartitionCount metric per cluster |
Unable to render Jira issues macro, execution error.
| Broker | Jason Gustafson |
19 | KIP-173: Add prefix to StreamsConfig to enable setting default internal topic configs |
Unable to render Jira issues macro, execution error.
| Streams | Damian Guy |
20 | KIP-177: Consumer perf tool should count rebalance time |
Unable to render Jira issues macro, execution error.
| Tooling | Jason Gustafson |
21 | KIP-182: Reduce Streams DSL overloads and allow easier use of custom storage engines |
Unable to render Jira issues macro, execution error.
| Streams | guozhang Wang |
22 | KIP-183 - Change PreferredReplicaLeaderElectionCommand to use AdminClient |
Unable to render Jira issues macro, execution error.
| Admin | Ismael Juma Juma |
23 | KIP-187 - Add cumulative count metric for all Kafka rate metrics |
Unable to render Jira issues macro, execution error.
| Metrics | Ismael Juma Juma |
24 | KIP-191: KafkaConsumer.subscribe() overload that takes just Pattern |
Unable to render Jira issues macro, execution error.
| Consumer | Jason Gustafson |