[Pulsar Community Weekly Update] 2020-01-04 ~ 2020-01-10

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

Dear Pulsar enthusiast,

This is the Pulsar community weekly update for 2020-01-04 ~ 2020-01-10,
with updates on key-hash range reader and multiple critical bug fixes
around broker and storage.

*This Pulsar community weekly update is available
at https://streamnative.io/weekly/2020/2020-01/2020-01-10-pulsar-weekly/
<https://streamnative.io/weekly/2020/2020-01/2020-01-10-pulsar-weekly/>.*

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

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

- [CI] After a bunch of fixes, the new CI based on GitHub Actions are
stabilizing.

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

- [Avro] Upgrade Avro to 1.9.1 (Release: 2.6.0).

    https://github.com/apache/pulsar/pull/5938

- [Broker] Prevent the creation of a regular topic with the same name as
the existing partitioned topic (Release: 2.5.1).

    https://github.com/apache/pulsar/pull/5943

- [Broker] Fix creates a consumer on the partitioned topic while disabling
topic auto-creation (Release: 2.5.1).

    https://github.com/apache/pulsar/pull/5572

- [Java][Client] Add support for key hash range reading (Release: 2.6.0).

    https://github.com/apache/pulsar/pull/5928

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

- [Client][Java] Fix reader builder clone error (Release: 2.5.0, 2.4.3).

    https://github.com/apache/pulsar/pull/5923

- [Standalone] Make standalone to advertise "localhost" to avoid failure
when a hostname is not resolvable (Release: 2.5.0).

    https://github.com/apache/pulsar/pull/5856

- [Broker] Close managed-ledgers before giving up bundle ownership to avoid
bad zk-version (Release: 2.4.3).

    https://github.com/apache/pulsar/pull/5599

- [ML] Avoid using the same OpAddEntry between different ledger handles
(Release: 2.5.1).

    https://github.com/apache/pulsar/pull/5942

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

- [Meetup] Apache IoTDB X Apache Pulsar meetup was held on Jan 4 in
Beijing. Jia Zhai from StreamNative shared about "Apache Pulsar: from
messaging system to event streaming platform". Besides, Guangning E from
StreamNative gave a talk about "How to connect Apache Pulsar to IoTDB with
Pulsar IO".


https://www.eventbrite.com/e/apache-iotdb-x-apache-pulsar-meetup-tickets-85739618507#

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



Cheers,


Sijie Guo, Yu Liu (@Anonymitaet)