Dear Pulsar enthusiast, This is the Pulsar community weekly update for 2021-01-04 ~ 2021-01-10, with updates on Pulsar client, broker, Functions, and so on.
This Pulsar community weekly update is also available at https://streamnative.io/weekly/2021/2021-01/2021-01-11-pulsar-weekly. *All Pulsar community weekly updates are available at **https://streamnative.io/weekly/ <https://streamnative.io/weekly/>.* =============== Pulsar Highlight ================ Support the chained authentication with the same authentication method name. Therefore, users can configure multiple authentication providers with the same authentication method name. by [@sijie](https://github.com/sijie) *===============* *Development================* - [PIP-45] Add `MetadataCache` implementation. https://github.com/apache/pulsar/pull/9148 [@merlimat]( https://github.com/merlimat) - [PIP-75] Replace the patched Google Protobuf with LightProto. https://github.com/apache/pulsar/pull/9046 [@merlimat]( https://github.com/merlimat) *===============* *Notable Feature================* - [C++ Client] Add Advertised addresses lookup by `ListenerName` for the C++ client. https://github.com/apache/pulsar/pull/9119 by [@z2665]( https://github.com/z2665) - [Broker] Add `maxTopicsPerNamespace` limit for the namespace-level policy. https://github.com/apache/pulsar/pull/9042 [@hangc0276]( https://github.com/hangc0276) - [Pulsar] Enable spotbugs check in module `pulsar-common`. https://github.com/apache/pulsar/pull/9016 [@zymap]( https://github.com/zymap) - [Storage] Make the ledger rollover check task internal. https://github.com/apache/pulsar/pull/8946 [@hangc0276]( https://github.com/hangc0276) - [Stats] Add a new metric to monitor if the `mark-delete` position is advanced or not. https://github.com/apache/pulsar/pull/8930 [@sijie]( https://github.com/sijie) =============== *Notable Bug Fix================* - [Broker] Fix the issue that namespace-level policies return incorrect default values if no value is given by the user. https://github.com/apache/pulsar/pull/9149 [@315157973] https://github.com/315157973 - [Test] Resolve the race condition in `ManagedLedgerTest.testAsyncUpdateProperties()`. https://github.com/apache/pulsar/pull/9152 [@merlimat]( https://github.com/merlimat) - [pulsar-admin] Set `service-url` to false because `service-url` is not required for TLS-enabled clusters. https://github.com/apache/pulsar/pull/9127 [@dockerzhang] https://github.com/dockerzhang - [Functions] Fix NPE in Go Functions if `BatchBuilder` is not set properly. https://github.com/apache/pulsar/pull/9124 [@flowchartsman] https://github.com/flowchartsman - [Broker] Fix the issue that unloading namespaces bundle are blocked because `StampedLock` is not a reentrant and the `foreach` method of the `ConcurrentOpenHashMap` also acquires read lock. https://github.com/apache/pulsar/pull/9116 [@codelipenghui] https://github.com/codelipenghui - [PulsarAdmin] Fix the issue that the `function-name` API returns the wrong type. https://github.com/apache/pulsar/pull/9115 [@tuteng] https://github.com/tuteng - [Broker] Fix NPE when `MultiTopicsConsumerImpl` receives null-value messages. https://github.com/apache/pulsar/pull/9113 [@BewareMyPower] https://github.com/BewareMyPower - [C++ Client] Fix the compilation issue caused by the non-virtual destructor. https://github.com/apache/pulsar/pull/9106 [@tongsucn]( https://github.com/tongsucn) - [Storage] Fix `BKIncorrectParameterException` in `ManagedLedgerInterceptorImpl`. https://github.com/apache/pulsar/pull/9091 [@aloyszhang]( https://github.com/aloyszhang) - [Broker] Fix `ConcurrentModificationException` when the Pulsar broker starts with KoP being enabled. https://github.com/apache/pulsar/pull/9088 [@aloyszhang]( https://github.com/aloyszhang) - [Broker] Fix the issue that the Pulsar broker expires one message at a time after topics are unloaded. https://github.com/apache/pulsar/pull/9083 [@eolivelli] https://github.com/eolivelli - [C++ Client] Fix the issue that the consumer sends `redeliverMessages` repeatedly. https://github.com/apache/pulsar/pull/9072 [@saosir]( https://github.com/saosir) - [Broker] Fix the issue that a wrong value is returned, when getting the partition metadata for a non-existing topic. https://github.com/apache/pulsar/pull/8818 [@aloyszhang]( https://github.com/aloyszhang) *================Event / News================*- [TGIP] Weekly live stream about Pulsar and its ecosystem. - All video recordings are available at [here]( https://streamnative.io/resource#tgip). - [Webinar] Watch Your Streams: Implementing OpenTelemetry with Apache Pulsar - https://us02web.zoom.us/webinar/register/3216003857537/WN_IyokJqHFRjicIuYT3ui4Ew - Pulsar User Survey 2020 - https://forms.office.com/Pages/ResponsePage.aspx?id=2zjkx2LkIkypCsNYsWmAs96ZDwmey39DhXAvi6EqbJpUNlZWQzRPMlVWNTc1WUcwUE5CWFMyUlI3QS4u - Pulsar Summit Asia 2020 - https://www.youtube.com/watch?v=4uB8i4zZXSw&list=PLqRma1oIkcWjHlRb-dzjwYdETkVlyCJOq ================ Blog / Article ================ - What's New in the Pulsar Flink Connector 2.7.0 - https://flink.apache.org/2021/01/07/pulsar-flink-connector-270.html - How Apache Pulsar is Helping Iterable Scale its Customer Engagement Platform - https://streamnative.io/en/blog/case/2021-01-05-iterable-scale-customer-engagement-platform-with-pulsar *If we miss anything, welcome to reply to this thread, thank you.* *Cheers,Rui Fu, Huanli Meng*
