[Pulsar Community Weekly Update] 2020-08-15 ~ 2020-08-21

[Huanli Meng <hu...@streamnative.io>]

Dear Pulsar enthusiast,

This is the Pulsar community weekly update for 2020-08-15 ~ 2020-08-21,
with updates on Pulsar clients, brokers, and so on.

This Pulsar community weekly update is also available at
https://streamnative.io/weekly/2020/2020-08/2020-08-21-pulsar-weekly.

*All Pulsar community weekly updates are available at
**https://streamnative.io/weekly/
<https://streamnative.io/weekly/>.*
===============
Notable Feature
================
- [Broker] Support `MaxUnackedMessagesOnConsumer` on topic level.

    https://github.com/apache/pulsar/pull/7818 (@[315157973](
https://github.com/315157973))

- [Broker] Support persistence policies on topic level.

    https://github.com/apache/pulsar/pull/7817 (@[zhanghaou](
https://github.com/zhanghaou))

- [Broker] Support deduplication on topic level.

    https://github.com/apache/pulsar/pull/7821 (@[315157973](
https://github.com/315157973))

- [Java Client] Support acknowledging a list of messages.

    https://github.com/apache/pulsar/pull/7688 (@[315157973](
https://github.com/315157973))

- [Python CLient] Add oauth2 client wrapper for the Python client.

    https://github.com/apache/pulsar/pull/7813 (@[jiazhai](
https://github.com/jiazhai))

- [Java Client] Expose `autoPartitionsUpdateInterval` for the producer and
consumer.







































*    https://github.com/apache/pulsar/pull/7840
<https://github.com/apache/pulsar/pull/7840>
(@[RobertIndie](https://github.com/RobertIndie
<https://github.com/RobertIndie>))===============Notable Bug
Fix================- [Java Client] Avoid subscribing the same topic again.
  https://github.com/apache/pulsar/pull/7823
<https://github.com/apache/pulsar/pull/7823>
(@[BewareMyPower](https://github.com/BewareMyPower
<https://github.com/BewareMyPower>))- [Broker] Redirect to get messages by
ID request when a broker does not serve for the topic.
https://github.com/apache/pulsar/pull/7786
<https://github.com/apache/pulsar/pull/7786>
(@[rudy2steiner](https://github.com/rudy2steiner
<https://github.com/rudy2steiner>))- [Java Client] Fix the pending
batchIndexAcks, bitSet, and batchSize in
PersistentAcknowledgmentsGroupingTracker.
https://github.com/apache/pulsar/pull/7828
<https://github.com/apache/pulsar/pull/7828>
(@[gaoran10](https://github.com/gaoran10 <https://github.com/gaoran10>))-
[CPP Client] Fix race condition caused by seeking or closing the consumer.
  https://github.com/apache/pulsar/pull/7819
<https://github.com/apache/pulsar/pull/7819>
(@[jiazhai](https://github.com/jiazhai
<https://github.com/jiazhai>))================Event / News================-
[TGIP] Weekly live stream about Pulsar and its ecosystem.  - All video
recordings are available at [here](https://streamnative.io/resource#tgip
<https://streamnative.io/resource#tgip>).- [Upcoming event]  - 08/25:
StreamNative Webinar - "Managing Real-Time Data Teams" by Jesse Anderson
Registration
link: https://us02web.zoom.us/webinar/register/6715970153506/WN_fEFcuXVFRWaZxa2pJtP3nQ
<https://us02web.zoom.us/webinar/register/6715970153506/WN_fEFcuXVFRWaZxa2pJtP3nQ>
- 09/09: "Apache Pulsar: Under the Hood for Java Developers" by Addison
Higham in the Israeli Java Community (Java.IL)
  http://meetup.com/JavaIL/events/272501454/
<http://meetup.com/JavaIL/events/272501454/>================Blog /
Article================- Announcing StreamNative Cloud - Apache Pulsar as a
Service (Eron Wright & Sijie Guo)  -
https://streamnative.io/blog/tech/2020-08-18-announcing-streamnative-cloud
<https://streamnative.io/blog/tech/2020-08-18-announcing-streamnative-cloud>If
we miss anything, welcome to reply to this thread, thank you.Cheers,Penghui
Li, Huanli Meng*