[Pulsar Community Weekly Update] 2020-02-01 ~ 2020-02-14

[Yu Liu <yu...@streamnative.io>]

Dear Pulsar enthusiast,

This is the Pulsar community weekly update for 2020-02-01 ~ 2020-02-14,
with updates on refreshing authentication credentials, namespace level
offloader, new bundle split algorithm to support evenly distributing
topics, and many bug fixes and enhancements around helm chart.

*This Pulsar community weekly update is also available
at https://streamnative.io/weekly/2020/2020-02/2020-02-14-pulsar-weekly/
<https://streamnative.io/weekly/2020/2020-02/2020-02-14-pulsar-weekly/>.*

*All Pulsar community weekly updates are available at
**https://streamnative.io/weekly/
<https://streamnative.io/weekly/>.*

================
Development
================

- [PIP-55] Refresh authentication credentials.

    https://github.com/apache/pulsar/pull/6074

- [Client][Node] The first release candidate of Pulsar Node client version
1.1.0.


https://lists.apache.org/thread.html/r12ae256d7b8ed91bb5436d9d35a5b70677a041c7558c77dd37740e65%40%3Cdev.pulsar.apache.org%3E

- [CI] A `pulsarbot` GitHub action is introduced for allowing contributors
to re-run failed checks by commenting `/pulsarbot run-failure-checks`.


https://lists.apache.org/thread.html/r425a963ce02d64d16d856938eed99f621958a5b238ea9fff9772d73c%40%3Cdev.pulsar.apache.org%3E

- [CI] CI related GitHub actions are now moved to
[apache/pulsar-test-infra](https://github.com/apache/pulsar-test-infra).


https://lists.apache.org/thread.html/r46bf4fdc524155863f314fd58f38567ae1ce9e6b14f1610368813fc0%40%3Cdev.pulsar.apache.org%3E

================
Notable Feature
================

- [Broker] Namespace level offloader (Release: 2.6.0).

    https://github.com/apache/pulsar/pull/6183

- [Broker] Supports evenly distribute topics count when splits bundle
(Release: 2.6.0).

    https://github.com/apache/pulsar/pull/6241

- [Broker] Add maxUnackedMessagesPerSubscription and
maxUnackedMessagesPerConsumer on namespaces policies (Release: 2.6.0).

    https://github.com/apache/pulsar/pull/5936

- [Broker] Support `unload` all partitions of a partitioned topic (Release:
2.6.0).
M
    https://github.com/apache/pulsar/pull/6187

- [Broker][Stats] Expose lastConsumedTimestamp and lastAckedTimestamp to
consumer stats (Release: 2.6.0, 2.5.1).

    https://github.com/apache/pulsar/pull/6051

- [Functions][Go] Add Go Function heartbeat (and gRPC service) for
production usage (Release: 2.6.0).

    https://github.com/apache/pulsar/pull/6031

================
Notable Bug Fix
================

- [ZooKeeper] Upgrade ZooKeeper to 3.5.7 to address split-brain issue
(Release: 2.6.0, 2.5.1).

    https://github.com/apache/p5lsar/pull/6329

- [Broker][compaction] Fix log compaction for flow control/empty topic/last
deletion (Release: 2.6.0, 2.5.1, 2.4.3).

    https://github.com/apache/pulsar/pull/6237

- [Broker] Fix bug that backlog message that has not yet expired could be
deleted due to TTL (Release: 2.6.0, 2.5.1).

    https://github.com/apache/pulsar/pull/6211

- [Helm] Several bug fixes and improvements have been made to current helm
charts.

    https://github.com/apache/pulsar/pull/6158

    https://github.com/apache/pulsar/pull/6148

    https://github.com/apache/pulsar/pull/6160

    https://github.com/apache/pulsar/pull/6201

    https://github.com/apache/pulsar/pull/6280

    https://github.com/apache/pulsar/pull/6191

- [Client][Java] Fix get schema version in HttpLookupService (Release:
2.6.0, 2.5.1).

    https://github.com/apache/pulsar/pull/6193

- [Client][Java] Flush the potential duplicated message when adding
messages to a batch (Release: 2.6.0, 2.5.1).

    https:o/github.com/apache/pulsar/pull/6326

================
Ecosystem
================

- [Client][DotNet] Pulsar.Client 0.13.0 released with multi hosts service
URL support.

    https://www.nuget.org/packages/Pulsar.Client/

================
Event / News
================

- [Survey] The Pulsar User Survey is closed on February 14. We have
received 165 responses. The survey report will be published soon.


https://forms.office.com/Pages/ResponsePage.aspx?id=DQSIkWdsW0yxEjajBLZtrQAAAAAAAAAAAAZAAOjIXw9UMUNLRUdJMVJBS1RRNjVNNjMzR0JPTFpWi4u

- [Summit] The Call-for-Presentation for Pulsar Summit is closed on
February 14. We have received 40 talk submissions. The conference schedule
will be published soon.

    https://twitter.com/PulsarSummit/status/1229465785308893186

*If we miss anything, welcome to reply to this thread, thank you.*



Cheers,


Sijie Guo, Yu Liu (@Anonymitaet)