[Pulsar Community Weekly Update] 2020-08-08 ~ 2020-08-14

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

Dear Pulsar enthusiast,

This is the Pulsar community weekly update for 2020-08-08 ~ 2020-08-14,
with updates on Pulsar transactions, clients, brokers, security, Pulsar IO,
and so on.

This Pulsar community weekly update is also available at
https://streamnative.io/weekly/2020/2020-08/2020-08-14-pulsar-weekly.

*All Pulsar community weekly updates are available at
**https://streamnative.io/weekly/
<https://streamnative.io/weekly/>.*
===============
Development
================
[Transaction] Support consuming transaction messages.

https://github.com/apache/pulsar/pull/7781

[Transaction] Support producing transaction messages to the Pulsar broker
and executing the commit command.

https://github.com/apache/pulsar/pull/7552

[Topic Policy] Support setting retention on topic level.

https://github.com/apache/pulsar/pull/7747

[Topic policy] Support setting MaxUnackMessagesPerSubscription on topic
level.

https://github.com/apache/pulsar/pull/7802

[Topic policy] Support the topic-level delayed delivery policy.

https://github.com/apache/pulsar/pull/7784

[Build] Upgrade Presto to version 332.

https://github.com/apache/pulsar/pull/7194

[Pulsar-IO hdfs2] Add configuration to create subdirectory from current
time.

https://github.com/apache/pulsar/pull/7771

[Broker] Make ZooKeeper cache executor thread pool size configurable.

https://github.com/apache/pulsar/pull/7794

[Broker] Make orderedExecutor threads number configurable.

https://github.com/apache/pulsar/pull/7765


















































*================Notable Bug Fix================[Security] Fix security
vulnerabilities of Pulsar.https://github.com/apache/pulsar/pull/7801
<https://github.com/apache/pulsar/pull/7801>[Security] Use
allowTopicOperationAsync to check whether the original role is a super
user.https://github.com/apache/pulsar/pull/7788
<https://github.com/apache/pulsar/pull/7788>[Security] Differentiate
authorization between source/sink/function
operations.https://github.com/apache/pulsar/pull/7466
<https://github.com/apache/pulsar/pull/7466>[CPP client] Fix the issuer_url
parsing failure in Oauth2
authentication.https://github.com/apache/pulsar/pull/7791
<https://github.com/apache/pulsar/pull/7791>[CPP client] Fix reference leak
when creating the reader.https://github.com/apache/pulsar/pull/7793
<https://github.com/apache/pulsar/pull/7793>[Admin Client] Ensure to return
Error 404 when deleting a partitioned topic from a non-existing
namespace.https://github.com/apache/pulsar/pull/7777
<https://github.com/apache/pulsar/pull/7777>[Broker] Fix producer stucks on
creating ledger timeout.https://github.com/apache/pulsar/pull/7319
<https://github.com/apache/pulsar/pull/7319>================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================- How Apache Pulsar Functions are Enablers for ML
and Event Stream Processing (by Pandio)  -
https://pandio.com/blog/how-apache-pulsar-functions-are-enablers-for-ml-and-event-stream-processing/
<https://pandio.com/blog/how-apache-pulsar-functions-are-enablers-for-ml-and-event-stream-processing/>-
Why Is Geo-Replication Functionality So Important For Apache Pulsar Users
(by Pandio)  -
https://pandio.com/blog/why-is-geo-replication-functionality-so-important-for-apache-pulsar-users/?utm_source=dlvr.it&utm_medium=twitter
<https://pandio.com/blog/why-is-geo-replication-functionality-so-important-for-apache-pulsar-users/?utm_source=dlvr.it&utm_medium=twitter>If
we miss anything, welcome to reply to this thread, thank you.Cheers,Jia
Zhai, Huanli Meng*