Re: [VOTE] 3.4.1 RC0

[Matthias J. Sax]

Thanks a lot!

-Matthias

On 5/21/23 7:27 PM, Luke Chen wrote:

Hi Matthias,

Yes, I agree we should get this hotfix into 3.4.1.
I've backported into the 3.4 branch.
I'll create a new RC for 3.4.1.

Thanks.
Luke

On Mon, May 22, 2023 at 5:13 AM Matthias J. Sax  wrote:


Hi Luke,

RC0 for 3.4.1 includes a fix for
https://issues.apache.org/jira/browse/KAFKA-14862. We recently
discovered that tge fix itself introduces a regression. We have already
a PR to fix-forward the regression:
https://github.com/apache/kafka/pull/13734

I think we should get the open PR merged, and back part not only to 3.5,
but also to 3.4.1, and get a new RC for 3.4.1.

Thoughts?


-Matthias


On 5/19/23 6:12 AM, Josep Prat wrote:

Hi Luke,
This gets a +1 from my end. I believe non-binding because if I understand
it correctly, binding votes for releases are only issued by PMCs (


https://cwiki.apache.org/confluence/display/KAFKA/Release+Process#ReleaseProcess-Afterthevotepasses

).

I did the following validations:
- Verified signatures and checksums for all the generated artifacts
- Built from source with Java 11 and Scala 2.13.10
- Run unit tests
- Run integration tests
- Run the quickstart with Zookeeper and KRaft

Best,

On Wed, May 17, 2023 at 2:11 PM Josep Prat  wrote:


Hi Luke,

I ran the tests from the source package you created and I didn't get any
of the test failures you had on your CI build. I got other flaky tests
though, that after being run in isolation ran successfully. I'll try to

run

signature validation, and some further testing later today or later this
week.

Best,

On Wed, May 17, 2023 at 12:43 PM Federico Valeri 
wrote:


Hi Luke, thanks for running the release.

Looks like the Maven artifacts are not in staging:



https://repository.apache.org/content/groups/staging/org/apache/kafka/kafka-clients/3.4.1/


Documentation still has 3.4.0, instead of 3.4.1 (not sure if this will
be aligned later):
https://kafka.apache.org/34/documentation.html#producerapi

Br
Fede


On Wed, May 17, 2023 at 5:24 AM Luke Chen  wrote:


Hello Kafka users, developers and client-developers,

This is the first candidate for release of Apache Kafka 3.4.1.

This is a bugfix release with several fixes since the release of

3.4.0.

A

few of the major issues include:
- core
KAFKA-14644 

Process

should stop after failure in raft IO thread
KAFKA-14946  KRaft
controller node shutting down while renouncing leadership
KAFKA-14887  ZK

session

timeout can cause broker to shutdown
- client
KAFKA-14639  Kafka
CooperativeStickyAssignor revokes/assigns partition in one rebalance

cycle

- connect
KAFKA-12558  MM2

may not

sync partition offsets correctly
KAFKA-14666  MM2

should

translate consumer group offsets behind replication flow
- stream
KAFKA-14172  bug:

State

stores lose state when tasks are reassigned under EOS

Release notes for the 3.4.1 release:
https://home.apache.org/~showuon/kafka-3.4.1-rc0/RELEASE_NOTES.html

*** Please download, test and vote by May 24, 2023
Kafka's KEYS file containing PGP keys we use to sign the release:
https://kafka.apache.org/KEYS

* Release artifacts to be voted upon (source and binary):
https://home.apache.org/~showuon/kafka-3.4.1-rc0/

* Maven artifacts to be voted upon:


https://repository.apache.org/content/groups/staging/org/apache/kafka/


* Javadoc:
https://home.apache.org/~showuon/kafka-3.4.1-rc0/javadoc/

* Tag to be voted upon (off 3.4 branch) is the 3.4.1 tag:
https://github.com/apache/kafka/releases/tag/3.4.1-rc0

* Documentation:
https://kafka.apache.org/34/documentation.html

* Protocol:
https://kafka.apache.org/34/protocol.html

The most recent build has had test failures. These all appear to be

due

to

flakiness, but it would be nice if someone more familiar with the

failed

tests could confirm this. I may update this thread with passing build

links

if I can get one, or start a new release vote thread if test failures

must

be addressed beyond re-running builds until they pass.

Unit/integration tests:
https://ci-builds.apache.org/job/Kafka/job/kafka/job/3.4/133/

System tests:
Will update the results later

Thank you.
Luke





--
[image: Aiven] 

*Josep Prat*
Open Source Engineering Director, *Aiven*
josep.p...@aiven.io   |   +491715557497
aiven.io    |

   <

https://twitter.com/aiven_io>

*Aiven Deutschland GmbH*
Alexanderufer 3-7, 10117 Berlin
Geschäftsführer: Oskari Saarenmaa & Hannu Valtonen
Amtsgericht Charlottenburg, HRB 209739 B

Re: [VOTE] 3.4.1 RC0

[Luke Chen]

Hi Matthias,

Yes, I agree we should get this hotfix into 3.4.1.
I've backported into the 3.4 branch.
I'll create a new RC for 3.4.1.

Thanks.
Luke

On Mon, May 22, 2023 at 5:13 AM Matthias J. Sax  wrote:

> Hi Luke,
>
> RC0 for 3.4.1 includes a fix for
> https://issues.apache.org/jira/browse/KAFKA-14862. We recently
> discovered that tge fix itself introduces a regression. We have already
> a PR to fix-forward the regression:
> https://github.com/apache/kafka/pull/13734
>
> I think we should get the open PR merged, and back part not only to 3.5,
> but also to 3.4.1, and get a new RC for 3.4.1.
>
> Thoughts?
>
>
> -Matthias
>
>
> On 5/19/23 6:12 AM, Josep Prat wrote:
> > Hi Luke,
> > This gets a +1 from my end. I believe non-binding because if I understand
> > it correctly, binding votes for releases are only issued by PMCs (
> >
> https://cwiki.apache.org/confluence/display/KAFKA/Release+Process#ReleaseProcess-Afterthevotepasses
> > ).
> >
> > I did the following validations:
> > - Verified signatures and checksums for all the generated artifacts
> > - Built from source with Java 11 and Scala 2.13.10
> > - Run unit tests
> > - Run integration tests
> > - Run the quickstart with Zookeeper and KRaft
> >
> > Best,
> >
> > On Wed, May 17, 2023 at 2:11 PM Josep Prat  wrote:
> >
> >> Hi Luke,
> >>
> >> I ran the tests from the source package you created and I didn't get any
> >> of the test failures you had on your CI build. I got other flaky tests
> >> though, that after being run in isolation ran successfully. I'll try to
> run
> >> signature validation, and some further testing later today or later this
> >> week.
> >>
> >> Best,
> >>
> >> On Wed, May 17, 2023 at 12:43 PM Federico Valeri 
> >> wrote:
> >>
> >>> Hi Luke, thanks for running the release.
> >>>
> >>> Looks like the Maven artifacts are not in staging:
> >>>
> >>>
> https://repository.apache.org/content/groups/staging/org/apache/kafka/kafka-clients/3.4.1/
> >>>
> >>> Documentation still has 3.4.0, instead of 3.4.1 (not sure if this will
> >>> be aligned later):
> >>> https://kafka.apache.org/34/documentation.html#producerapi
> >>>
> >>> Br
> >>> Fede
> >>>
> >>>
> >>> On Wed, May 17, 2023 at 5:24 AM Luke Chen  wrote:
> 
>  Hello Kafka users, developers and client-developers,
> 
>  This is the first candidate for release of Apache Kafka 3.4.1.
> 
>  This is a bugfix release with several fixes since the release of
> 3.4.0.
> >>> A
>  few of the major issues include:
>  - core
>  KAFKA-14644 
> Process
>  should stop after failure in raft IO thread
>  KAFKA-14946  KRaft
>  controller node shutting down while renouncing leadership
>  KAFKA-14887  ZK
> >>> session
>  timeout can cause broker to shutdown
>  - client
>  KAFKA-14639  Kafka
>  CooperativeStickyAssignor revokes/assigns partition in one rebalance
> >>> cycle
>  - connect
>  KAFKA-12558  MM2
> >>> may not
>  sync partition offsets correctly
>  KAFKA-14666  MM2
> >>> should
>  translate consumer group offsets behind replication flow
>  - stream
>  KAFKA-14172  bug:
> >>> State
>  stores lose state when tasks are reassigned under EOS
> 
>  Release notes for the 3.4.1 release:
>  https://home.apache.org/~showuon/kafka-3.4.1-rc0/RELEASE_NOTES.html
> 
>  *** Please download, test and vote by May 24, 2023
>  Kafka's KEYS file containing PGP keys we use to sign the release:
>  https://kafka.apache.org/KEYS
> 
>  * Release artifacts to be voted upon (source and binary):
>  https://home.apache.org/~showuon/kafka-3.4.1-rc0/
> 
>  * Maven artifacts to be voted upon:
> 
> https://repository.apache.org/content/groups/staging/org/apache/kafka/
> 
>  * Javadoc:
>  https://home.apache.org/~showuon/kafka-3.4.1-rc0/javadoc/
> 
>  * Tag to be voted upon (off 3.4 branch) is the 3.4.1 tag:
>  https://github.com/apache/kafka/releases/tag/3.4.1-rc0
> 
>  * Documentation:
>  https://kafka.apache.org/34/documentation.html
> 
>  * Protocol:
>  https://kafka.apache.org/34/protocol.html
> 
>  The most recent build has had test failures. These all appear to be
> due
> >>> to
>  flakiness, but it would be nice if someone more familiar with the
> failed
>  tests could confirm this. I may update this thread with passing build
> >>> links
>  if I can get one, or start a new release vote thread if test failures
> >>> must
>  be addressed beyond re-running builds until they pass.
> 
>  Unit/integration tests:
>  

Re: [VOTE] 3.4.1 RC0

[Matthias J. Sax]

Hi Luke,

RC0 for 3.4.1 includes a fix for 
https://issues.apache.org/jira/browse/KAFKA-14862. We recently 
discovered that tge fix itself introduces a regression. We have already 
a PR to fix-forward the regression: 
https://github.com/apache/kafka/pull/13734


I think we should get the open PR merged, and back part not only to 3.5, 
but also to 3.4.1, and get a new RC for 3.4.1.


Thoughts?


-Matthias


On 5/19/23 6:12 AM, Josep Prat wrote:

Hi Luke,
This gets a +1 from my end. I believe non-binding because if I understand
it correctly, binding votes for releases are only issued by PMCs (
https://cwiki.apache.org/confluence/display/KAFKA/Release+Process#ReleaseProcess-Afterthevotepasses
).

I did the following validations:
- Verified signatures and checksums for all the generated artifacts
- Built from source with Java 11 and Scala 2.13.10
- Run unit tests
- Run integration tests
- Run the quickstart with Zookeeper and KRaft

Best,

On Wed, May 17, 2023 at 2:11 PM Josep Prat  wrote:


Hi Luke,

I ran the tests from the source package you created and I didn't get any
of the test failures you had on your CI build. I got other flaky tests
though, that after being run in isolation ran successfully. I'll try to run
signature validation, and some further testing later today or later this
week.

Best,

On Wed, May 17, 2023 at 12:43 PM Federico Valeri 
wrote:


Hi Luke, thanks for running the release.

Looks like the Maven artifacts are not in staging:

https://repository.apache.org/content/groups/staging/org/apache/kafka/kafka-clients/3.4.1/

Documentation still has 3.4.0, instead of 3.4.1 (not sure if this will
be aligned later):
https://kafka.apache.org/34/documentation.html#producerapi

Br
Fede


On Wed, May 17, 2023 at 5:24 AM Luke Chen  wrote:


Hello Kafka users, developers and client-developers,

This is the first candidate for release of Apache Kafka 3.4.1.

This is a bugfix release with several fixes since the release of 3.4.0.

A

few of the major issues include:
- core
KAFKA-14644  Process
should stop after failure in raft IO thread
KAFKA-14946  KRaft
controller node shutting down while renouncing leadership
KAFKA-14887  ZK

session

timeout can cause broker to shutdown
- client
KAFKA-14639  Kafka
CooperativeStickyAssignor revokes/assigns partition in one rebalance

cycle

- connect
KAFKA-12558  MM2

may not

sync partition offsets correctly
KAFKA-14666  MM2

should

translate consumer group offsets behind replication flow
- stream
KAFKA-14172  bug:

State

stores lose state when tasks are reassigned under EOS

Release notes for the 3.4.1 release:
https://home.apache.org/~showuon/kafka-3.4.1-rc0/RELEASE_NOTES.html

*** Please download, test and vote by May 24, 2023
Kafka's KEYS file containing PGP keys we use to sign the release:
https://kafka.apache.org/KEYS

* Release artifacts to be voted upon (source and binary):
https://home.apache.org/~showuon/kafka-3.4.1-rc0/

* Maven artifacts to be voted upon:
https://repository.apache.org/content/groups/staging/org/apache/kafka/

* Javadoc:
https://home.apache.org/~showuon/kafka-3.4.1-rc0/javadoc/

* Tag to be voted upon (off 3.4 branch) is the 3.4.1 tag:
https://github.com/apache/kafka/releases/tag/3.4.1-rc0

* Documentation:
https://kafka.apache.org/34/documentation.html

* Protocol:
https://kafka.apache.org/34/protocol.html

The most recent build has had test failures. These all appear to be due

to

flakiness, but it would be nice if someone more familiar with the failed
tests could confirm this. I may update this thread with passing build

links

if I can get one, or start a new release vote thread if test failures

must

be addressed beyond re-running builds until they pass.

Unit/integration tests:
https://ci-builds.apache.org/job/Kafka/job/kafka/job/3.4/133/

System tests:
Will update the results later

Thank you.
Luke





--
[image: Aiven] 

*Josep Prat*
Open Source Engineering Director, *Aiven*
josep.p...@aiven.io   |   +491715557497
aiven.io    |

   
*Aiven Deutschland GmbH*
Alexanderufer 3-7, 10117 Berlin
Geschäftsführer: Oskari Saarenmaa & Hannu Valtonen
Amtsgericht Charlottenburg, HRB 209739 B

Re: [VOTE] 3.4.1 RC0

[Josep Prat]

Hi Luke,
This gets a +1 from my end. I believe non-binding because if I understand
it correctly, binding votes for releases are only issued by PMCs (
https://cwiki.apache.org/confluence/display/KAFKA/Release+Process#ReleaseProcess-Afterthevotepasses
).

I did the following validations:
- Verified signatures and checksums for all the generated artifacts
- Built from source with Java 11 and Scala 2.13.10
- Run unit tests
- Run integration tests
- Run the quickstart with Zookeeper and KRaft

Best,

On Wed, May 17, 2023 at 2:11 PM Josep Prat  wrote:

> Hi Luke,
>
> I ran the tests from the source package you created and I didn't get any
> of the test failures you had on your CI build. I got other flaky tests
> though, that after being run in isolation ran successfully. I'll try to run
> signature validation, and some further testing later today or later this
> week.
>
> Best,
>
> On Wed, May 17, 2023 at 12:43 PM Federico Valeri 
> wrote:
>
>> Hi Luke, thanks for running the release.
>>
>> Looks like the Maven artifacts are not in staging:
>>
>> https://repository.apache.org/content/groups/staging/org/apache/kafka/kafka-clients/3.4.1/
>>
>> Documentation still has 3.4.0, instead of 3.4.1 (not sure if this will
>> be aligned later):
>> https://kafka.apache.org/34/documentation.html#producerapi
>>
>> Br
>> Fede
>>
>>
>> On Wed, May 17, 2023 at 5:24 AM Luke Chen  wrote:
>> >
>> > Hello Kafka users, developers and client-developers,
>> >
>> > This is the first candidate for release of Apache Kafka 3.4.1.
>> >
>> > This is a bugfix release with several fixes since the release of 3.4.0.
>> A
>> > few of the major issues include:
>> > - core
>> > KAFKA-14644  Process
>> > should stop after failure in raft IO thread
>> > KAFKA-14946  KRaft
>> > controller node shutting down while renouncing leadership
>> > KAFKA-14887  ZK
>> session
>> > timeout can cause broker to shutdown
>> > - client
>> > KAFKA-14639  Kafka
>> > CooperativeStickyAssignor revokes/assigns partition in one rebalance
>> cycle
>> > - connect
>> > KAFKA-12558  MM2
>> may not
>> > sync partition offsets correctly
>> > KAFKA-14666  MM2
>> should
>> > translate consumer group offsets behind replication flow
>> > - stream
>> > KAFKA-14172  bug:
>> State
>> > stores lose state when tasks are reassigned under EOS
>> >
>> > Release notes for the 3.4.1 release:
>> > https://home.apache.org/~showuon/kafka-3.4.1-rc0/RELEASE_NOTES.html
>> >
>> > *** Please download, test and vote by May 24, 2023
>> > Kafka's KEYS file containing PGP keys we use to sign the release:
>> > https://kafka.apache.org/KEYS
>> >
>> > * Release artifacts to be voted upon (source and binary):
>> > https://home.apache.org/~showuon/kafka-3.4.1-rc0/
>> >
>> > * Maven artifacts to be voted upon:
>> > https://repository.apache.org/content/groups/staging/org/apache/kafka/
>> >
>> > * Javadoc:
>> > https://home.apache.org/~showuon/kafka-3.4.1-rc0/javadoc/
>> >
>> > * Tag to be voted upon (off 3.4 branch) is the 3.4.1 tag:
>> > https://github.com/apache/kafka/releases/tag/3.4.1-rc0
>> >
>> > * Documentation:
>> > https://kafka.apache.org/34/documentation.html
>> >
>> > * Protocol:
>> > https://kafka.apache.org/34/protocol.html
>> >
>> > The most recent build has had test failures. These all appear to be due
>> to
>> > flakiness, but it would be nice if someone more familiar with the failed
>> > tests could confirm this. I may update this thread with passing build
>> links
>> > if I can get one, or start a new release vote thread if test failures
>> must
>> > be addressed beyond re-running builds until they pass.
>> >
>> > Unit/integration tests:
>> > https://ci-builds.apache.org/job/Kafka/job/kafka/job/3.4/133/
>> >
>> > System tests:
>> > Will update the results later
>> >
>> > Thank you.
>> > Luke
>>
>
>
> --
> [image: Aiven] 
>
> *Josep Prat*
> Open Source Engineering Director, *Aiven*
> josep.p...@aiven.io   |   +491715557497
> aiven.io    |
> 
>    
> *Aiven Deutschland GmbH*
> Alexanderufer 3-7, 10117 Berlin
> Geschäftsführer: Oskari Saarenmaa & Hannu Valtonen
> Amtsgericht Charlottenburg, HRB 209739 B
>


-- 
[image: Aiven] 

*Josep Prat*
Open Source Engineering Director, *Aiven*
josep.p...@aiven.io   |   +491715557497
aiven.io    |   
     
*Aiven Deutschland GmbH*
Alexanderufer 3-7, 10117 Berlin
Geschäftsführer: Oskari Saarenmaa & Hannu 

Re: [VOTE] 3.4.1 RC0

[Josep Prat]

Hi Luke,

I ran the tests from the source package you created and I didn't get any of
the test failures you had on your CI build. I got other flaky tests though,
that after being run in isolation ran successfully. I'll try to run
signature validation, and some further testing later today or later this
week.

Best,

On Wed, May 17, 2023 at 12:43 PM Federico Valeri 
wrote:

> Hi Luke, thanks for running the release.
>
> Looks like the Maven artifacts are not in staging:
>
> https://repository.apache.org/content/groups/staging/org/apache/kafka/kafka-clients/3.4.1/
>
> Documentation still has 3.4.0, instead of 3.4.1 (not sure if this will
> be aligned later):
> https://kafka.apache.org/34/documentation.html#producerapi
>
> Br
> Fede
>
>
> On Wed, May 17, 2023 at 5:24 AM Luke Chen  wrote:
> >
> > Hello Kafka users, developers and client-developers,
> >
> > This is the first candidate for release of Apache Kafka 3.4.1.
> >
> > This is a bugfix release with several fixes since the release of 3.4.0. A
> > few of the major issues include:
> > - core
> > KAFKA-14644  Process
> > should stop after failure in raft IO thread
> > KAFKA-14946  KRaft
> > controller node shutting down while renouncing leadership
> > KAFKA-14887  ZK
> session
> > timeout can cause broker to shutdown
> > - client
> > KAFKA-14639  Kafka
> > CooperativeStickyAssignor revokes/assigns partition in one rebalance
> cycle
> > - connect
> > KAFKA-12558  MM2 may
> not
> > sync partition offsets correctly
> > KAFKA-14666  MM2
> should
> > translate consumer group offsets behind replication flow
> > - stream
> > KAFKA-14172  bug:
> State
> > stores lose state when tasks are reassigned under EOS
> >
> > Release notes for the 3.4.1 release:
> > https://home.apache.org/~showuon/kafka-3.4.1-rc0/RELEASE_NOTES.html
> >
> > *** Please download, test and vote by May 24, 2023
> > Kafka's KEYS file containing PGP keys we use to sign the release:
> > https://kafka.apache.org/KEYS
> >
> > * Release artifacts to be voted upon (source and binary):
> > https://home.apache.org/~showuon/kafka-3.4.1-rc0/
> >
> > * Maven artifacts to be voted upon:
> > https://repository.apache.org/content/groups/staging/org/apache/kafka/
> >
> > * Javadoc:
> > https://home.apache.org/~showuon/kafka-3.4.1-rc0/javadoc/
> >
> > * Tag to be voted upon (off 3.4 branch) is the 3.4.1 tag:
> > https://github.com/apache/kafka/releases/tag/3.4.1-rc0
> >
> > * Documentation:
> > https://kafka.apache.org/34/documentation.html
> >
> > * Protocol:
> > https://kafka.apache.org/34/protocol.html
> >
> > The most recent build has had test failures. These all appear to be due
> to
> > flakiness, but it would be nice if someone more familiar with the failed
> > tests could confirm this. I may update this thread with passing build
> links
> > if I can get one, or start a new release vote thread if test failures
> must
> > be addressed beyond re-running builds until they pass.
> >
> > Unit/integration tests:
> > https://ci-builds.apache.org/job/Kafka/job/kafka/job/3.4/133/
> >
> > System tests:
> > Will update the results later
> >
> > Thank you.
> > Luke
>


-- 
[image: Aiven] 

*Josep Prat*
Open Source Engineering Director, *Aiven*
josep.p...@aiven.io   |   +491715557497
aiven.io    |   
     
*Aiven Deutschland GmbH*
Alexanderufer 3-7, 10117 Berlin
Geschäftsführer: Oskari Saarenmaa & Hannu Valtonen
Amtsgericht Charlottenburg, HRB 209739 B

Re: [VOTE] 3.4.1 RC0

[Federico Valeri]

Hi Luke, thanks for running the release.

Looks like the Maven artifacts are not in staging:
https://repository.apache.org/content/groups/staging/org/apache/kafka/kafka-clients/3.4.1/

Documentation still has 3.4.0, instead of 3.4.1 (not sure if this will
be aligned later):
https://kafka.apache.org/34/documentation.html#producerapi

Br
Fede


On Wed, May 17, 2023 at 5:24 AM Luke Chen  wrote:
>
> Hello Kafka users, developers and client-developers,
>
> This is the first candidate for release of Apache Kafka 3.4.1.
>
> This is a bugfix release with several fixes since the release of 3.4.0. A
> few of the major issues include:
> - core
> KAFKA-14644  Process
> should stop after failure in raft IO thread
> KAFKA-14946  KRaft
> controller node shutting down while renouncing leadership
> KAFKA-14887  ZK session
> timeout can cause broker to shutdown
> - client
> KAFKA-14639  Kafka
> CooperativeStickyAssignor revokes/assigns partition in one rebalance cycle
> - connect
> KAFKA-12558  MM2 may not
> sync partition offsets correctly
> KAFKA-14666  MM2 should
> translate consumer group offsets behind replication flow
> - stream
> KAFKA-14172  bug: State
> stores lose state when tasks are reassigned under EOS
>
> Release notes for the 3.4.1 release:
> https://home.apache.org/~showuon/kafka-3.4.1-rc0/RELEASE_NOTES.html
>
> *** Please download, test and vote by May 24, 2023
> Kafka's KEYS file containing PGP keys we use to sign the release:
> https://kafka.apache.org/KEYS
>
> * Release artifacts to be voted upon (source and binary):
> https://home.apache.org/~showuon/kafka-3.4.1-rc0/
>
> * Maven artifacts to be voted upon:
> https://repository.apache.org/content/groups/staging/org/apache/kafka/
>
> * Javadoc:
> https://home.apache.org/~showuon/kafka-3.4.1-rc0/javadoc/
>
> * Tag to be voted upon (off 3.4 branch) is the 3.4.1 tag:
> https://github.com/apache/kafka/releases/tag/3.4.1-rc0
>
> * Documentation:
> https://kafka.apache.org/34/documentation.html
>
> * Protocol:
> https://kafka.apache.org/34/protocol.html
>
> The most recent build has had test failures. These all appear to be due to
> flakiness, but it would be nice if someone more familiar with the failed
> tests could confirm this. I may update this thread with passing build links
> if I can get one, or start a new release vote thread if test failures must
> be addressed beyond re-running builds until they pass.
>
> Unit/integration tests:
> https://ci-builds.apache.org/job/Kafka/job/kafka/job/3.4/133/
>
> System tests:
> Will update the results later
>
> Thank you.
> Luke

[VOTE] 3.4.1 RC0

[Luke Chen]

Hello Kafka users, developers and client-developers,

This is the first candidate for release of Apache Kafka 3.4.1.

This is a bugfix release with several fixes since the release of 3.4.0. A
few of the major issues include:
- core
KAFKA-14644  Process
should stop after failure in raft IO thread
KAFKA-14946  KRaft
controller node shutting down while renouncing leadership
KAFKA-14887  ZK session
timeout can cause broker to shutdown
- client
KAFKA-14639  Kafka
CooperativeStickyAssignor revokes/assigns partition in one rebalance cycle
- connect
KAFKA-12558  MM2 may not
sync partition offsets correctly
KAFKA-14666  MM2 should
translate consumer group offsets behind replication flow
- stream
KAFKA-14172  bug: State
stores lose state when tasks are reassigned under EOS

Release notes for the 3.4.1 release:
https://home.apache.org/~showuon/kafka-3.4.1-rc0/RELEASE_NOTES.html

*** Please download, test and vote by May 24, 2023
Kafka's KEYS file containing PGP keys we use to sign the release:
https://kafka.apache.org/KEYS

* Release artifacts to be voted upon (source and binary):
https://home.apache.org/~showuon/kafka-3.4.1-rc0/

* Maven artifacts to be voted upon:
https://repository.apache.org/content/groups/staging/org/apache/kafka/

* Javadoc:
https://home.apache.org/~showuon/kafka-3.4.1-rc0/javadoc/

* Tag to be voted upon (off 3.4 branch) is the 3.4.1 tag:
https://github.com/apache/kafka/releases/tag/3.4.1-rc0

* Documentation:
https://kafka.apache.org/34/documentation.html

* Protocol:
https://kafka.apache.org/34/protocol.html

The most recent build has had test failures. These all appear to be due to
flakiness, but it would be nice if someone more familiar with the failed
tests could confirm this. I may update this thread with passing build links
if I can get one, or start a new release vote thread if test failures must
be addressed beyond re-running builds until they pass.

Unit/integration tests:
https://ci-builds.apache.org/job/Kafka/job/kafka/job/3.4/133/

System tests:
Will update the results later

Thank you.
Luke