jiazhai commented on a change in pull request #3637: 2.3.0 release notes URL: https://github.com/apache/pulsar/pull/3637#discussion_r258784446
########## File path: site2/website/release-notes.md ########## @@ -1,6 +1,123 @@ ## Apache +### 2.3.0 — 2019-02-20 <a id="2.3.0"></a> + +#### General + + * Support for schema definitions in the Pulsar [Python client library](https://pulsar.apache.org/docs/client-libraries-python/#schema) + * PIP-25: [Token based authentication](https://pulsar.apache.org/docs/security-token-client/) [#2888](https://github.com/apache/pulsar/pull/2888), + [#3067](https://github.com/apache/pulsar/pull/3067) and [#3089](https://github.com/apache/pulsar/pull/3089) + * Updated to [Apache BookKeeper 4.9.0](https://bookkeeper.apache.org/docs/4.9.0/overview/releaseNotes/) + * ZStandard compression codec [#3159](https://github.com/apache/pulsar/pull/3159). Note that + when a producer choose Zstd compression, a consumer will need to be at least at version 2.3.0 + to be able to correctly receive the messages. + * Support for Java 11 [#3006](https://github.com/apache/pulsar/pull/3006) + * `AUTO_PRODUCE` Schema type to allow to publish serialized data and validate it against the + topic schema [#2685](https://github.com/apache/pulsar/pull/2685) + * Support TLS authentication and authorization in standalone mode [#3360](https://github.com/apache/pulsar/pull/3360) + * When creating namespace, use local cluster by default [#3571](https://github.com/apache/pulsar/pull/3571) + * Tag BookKeeper ledgers created by Pulsar with topic/subscription names for info/debug purposes + [#3525](https://github.com/apache/pulsar/pull/3525) + * Enabled sticky reads in BooKeeper reads to increase IO efficiency with read-ahead [#3569](https://github.com/apache/pulsar/pull/3569) + * Several optimization in Pulsar SQL Presto connector ([#3128](https://github.com/apache/pulsar/pull/3128), + [#3135](https://github.com/apache/pulsar/pull/3135), [#3139](https://github.com/apache/pulsar/pull/3139), + [#3144](https://github.com/apache/pulsar/pull/3144), [#3143](https://github.com/apache/pulsar/pull/3143)) + * Configure Pulsar broker data cache automatically from JVM settings [#3573](https://github.com/apache/pulsar/pull/3573) + * Reuse the SSL context objects [#3550](https://github.com/apache/pulsar/pull/3550) + * Automatic schema update can be disabled through admin interface [#2691](https://github.com/apache/pulsar/pull/2691) + * Support Dead-Letter-Queue from WebSocket proxy [#2698](https://github.com/apache/pulsar/pull/2968) + * Pull-mode for WebSocket proxy [#3058](https://github.com/apache/pulsar/pull/3058) + * Export Jetty stats to Prometheus [#2804](https://github.com/apache/pulsar/pull/2804) + * Added stats for Pulsar proxy [#2740](https://github.com/apache/pulsar/pull/2740) + * Allow subscribers to access subscription admin-api [#2981](https://github.com/apache/pulsar/pull/2981) + * Make brokers read on closest Bookie in a multi-region deployment [#3171](https://github.com/apache/pulsar/pull/3171) + +#### Fixes + * Fixed deadlock in reusing ZookKeeper event thread [#3591](https://github.com/apache/pulsar/pull/3591) + * In functions log topic appender, don't set producer name [#3544](https://github.com/apache/pulsar/pull/3544) + * When cursor recovery encounters empty cursor ledger, fallback to latest snapshot [#3487](https://github.com/apache/pulsar/pull/3487) + * Fixed C++ regex-consumer when using HTTP service URL [#3407](https://github.com/apache/pulsar/pull/3407) + * Fix race condition: broker not scheduling read for active consumer [#3411](https://github.com/apache/pulsar/pull/3411) + +#### Pulsar IO + * Added Debezium connector for Change-Data-Capture into Pulsar [#2791](https://github.com/apache/pulsar/pull/2791) + * Added MongoDB connector [#3561](https://github.com/apache/pulsar/pull/3561) + * Added Elastic Search connector [#2546](https://github.com/apache/pulsar/pull/2546) + * Added HBase sink [#3368](https://github.com/apache/pulsar/pull/3368) + * Added Local files connector [#2869](https://github.com/apache/pulsar/pull/2869) + * Report source/sink stats in Prometheus [#3261](https://github.com/apache/pulsar/pull/3261) + * Allow filtering in Twitter Firehose connector [#3298](https://github.com/apache/pulsar/pull/3298) + * Sources/Sinks can be launched using fat jars as well [#3166](https://github.com/apache/pulsar/pull/3166) + +#### Pulsar Functions + * Added Kubernetes runtime [#1950](https://github.com/apache/pulsar/pull/1950) + * Secrets interface [#2826](https://github.com/apache/pulsar/pull/2826) + * Cleanup subscriptions when deleting functions [#3299](https://github.com/apache/pulsar/pull/3299) + * Add Windowfunction interface to functions api [#3324](https://github.com/apache/pulsar/pull/3324) + * Support for accessing state in Python [#2714](https://github.com/apache/pulsar/pull/2714) + * Support submitting Python functions as wheel file + * Support submitting Python functions as Zip file with dependencies included [#3321](https://github.com/apache/pulsar/pull/3321) + * Add minimum amount of resources to run setting for functions [#3536](https://github.com/apache/pulsar/pull/3536) + * Fixed the behavior of Function start/stop [#3477](https://github.com/apache/pulsar/pull/3477) + +#### Java client + * Moved Pulsar v1 client API into separate artifact [#3228](https://github.com/apache/pulsar/pull/3228).<br /> + Applications that are using the Pulsar v1 API, deprecated since 2.0 release, need to update the + Maven dependency to use the `pulsar-client-1x` artifact instead of `pulsar-client`. Eg. + ```xml + <dependency> + <groupId>org.apache.pulsar</groupId> + <artifactId>pulsar-client-1x</artifactId> + <version>2.3.0</version> + </dependency> + ``` + * Fixed shading issues with Javadoc bundled in client jars by separating the API in a different + Maven module [#3309](https://github.com/apache/pulsar/pull/3309) + * Improve Javadocs [#](https://github.com/apache/pulsar/pull/3592) + * Support specifying multiple hosts in pulsar service url and web url [#3249](https://github.com/apache/pulsar/pull/3249) + * Automatically discover when partitions on a topic are increased [#3513](https://github.com/apache/pulsar/pull/3513) + * Added `Client.getPartitionsForTopic()` [#2972](https://github.com/apache/pulsar/pull/2972) + ([Javadoc](https://pulsar.apache.org/api/client/org/apache/pulsar/client/api/PulsarClient.html#getPartitionsForTopic-java.lang.String-)) + * Added `Consumer.pauseMessageListener()` and `Consumer.resumeMessageListener()` [#2961](https://github.com/apache/pulsar/pull/2961) + * Removed shading relocations for Circe-checksum and lz4 libraries, to ensure native libraries + are correctly loaded when using shaded client lib. [#2191](https://github.com/apache/pulsar/pull/2191) + +#### Python client + * Fixed `Message.properties()` [#3595](https://github.com/apache/pulsar/pull/3595) + +#### Go client + * Added `Producer.flush()` to flush all outstanding messages [#3469](https://github.com/apache/pulsar/pull/3469) + * Support `Consumer.Seek()` [#3478](https://github.com/apache/pulsar/pull/3478) + * Added `Message.Topic()` [#3346](https://github.com/apache/pulsar/pull/3346) + * Allow to specify `SubscriptionInitPos` option in `ConsumerOptions` [#3588](https://github.com/apache/pulsar/pull/3588) + * Added TLS hostname verification [#3580](https://github.com/apache/pulsar/pull/3580) + * Allow to link statically against `libpulsar.a`[#3488](https://github.com/apache/pulsar/pull/3488) + * Expose `Producer.LastSequenceID()` and `Message.SequenceID()` [#3416](https://github.com/apache/pulsar/pull/3416) + +#### C++ client + * Enable batching by default when using `sendAsync()` [#2949](https://github.com/apache/pulsar/pull/2949) + * Allow to specify schema info in Avro format [#3354](https://github.com/apache/pulsar/pull/3354) + * Added `Producer.flush()` to flush all outstanding messages [#3020](https://github.com/apache/pulsar/pull/3020) + * Added TLS hostname verification [#2475](https://github.com/apache/pulsar/pull/2475) + * Allow to specify `SubscriptionInitialPosition` [#](https://github.com/apache/pulsar/pull/3567) Review comment: a typo ```suggestion * Allow to specify `SubscriptionInitialPosition` [#3567](https://github.com/apache/pulsar/pull/3567) ``` ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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