Hi Community, As we draw close to doing Hudi 0.10.0 release, I am happy to share a summary of the key features/improvements that would be going in the release and the current blockers for everyone's visibility.
*Highlights* - [HUDI-1290] Implement Debezium avro source for Delta Streamer - [HUDI-1491] Support partition pruning for MOR snapshot query - [HUDI-1763] DefaultHoodieRecordPayload does not honor ordering value when records within multiple log files are merged - [HUDI-1827] Add ORC support in Bootstrap Op - [HUDI-1869] Upgrading Spark3 To 3.1 - [HUDI-2101] support z-order for hudi - [HUDI-2276] Enable Metadata Table by default for both writers and readers - [HUDI-2581] Analyze metadata size estimate in hudi with Hfile for col stats partition - [HUDI-2634] Improve bootstrap performance for very large tables - [HUDI-2086] redo the logical of mor_incremental_view for hive - [HUDI-2191] Bump flink version to 1.13.1 - [HUDI-2285] Metadata Table Synchronous Design - [HUDI-2316] Support Flink batch upsert - [HUDI-2371] Improve flink streaming reader - [HUDI-2394] [Kafka Connect Mileston 1] Implement kafka connect for immutable data - [HUDI-2449] Incremental read for Flink - [HUDI-2562] Embedded timeline server on JobManager *Current Blockers* - [HUDI-1856] Upstream changes made in PrestoDB to eliminate file listing to Trino (Owner: Sagar Sumit) - [HUDI-1912] Presto defaults to GenericHiveRecordCursor for all Hudi tables (Owner: Sagar Sumit) - [HUDI-1932] Hive Sync should not always update last_commit_time_sync (Owner: Raymond Xu) - [HUDI-1937] When clustering fail, generating unfinished replacecommit timeline. (Owner: Sagar Sumit) - [HUDI-2077] Flaky test: TestHoodieDeltaStreamer (Owner: Sagar Sumit) - [HUDI-2314] Add DynamoDb based lock provider (Owner: Wenning Ding) - [HUDI-2325] Implement and test Hive Sync support for Kafka Connect (Owner: Rajesh Mahindra) - [HUDI-2332] Implement scheduling of compaction/ clustering for Kafka Connect (Owner: Ethan Guo) - [HUDI-2362] Hudi external configuration file support (Owner: Wenning Ding) - [HUDI-2409] Using HBase shaded jars in Hudi presto bundle (Owner: Sagar Sumit) - [HUDI-2443] KVComparator in HFile for metadata table is tied to HBase version and shading (Owner: Sagar Sumit) - [HUDI-2472] Tests failure follow up when metadata is enabled by default (Owner: Manoj Govindassamy) - [HUDI-2475] Rolling Upgrade downgrade story for 0.10 & enabling metadata (Owner: Manoj Govindassamy) - [HUDI-2478] Handle failure mid-way during init buckets (Owner: Vinoth Chandar) - [HUDI-2480] FileSlice after pending compaction-requested instant-time is ignored by MOR snapshot reader (Owner: Danny Chen) - [HUDI-2488] Support bootstrapping a single or more partitions in metadata table while regular writers and table services are in progress (Owner: Vinoth Chandar) - [HUDI-2527] Flaky test: TestHoodieClientMultiWriter.testMultiWriterWithAsyncTableServicesWithConflict (Owner: sivabalan narayanan) - [HUDI-2559] Ensure unique timestamps are generated for commit times with concurrent writers (Owner: sivabalan narayanan) - [HUDI-2593] Virtual keys support for metadata table (Owner: Manoj Govindassamy) - [HUDI-2599] [Performance] Lower parallelism with snapshot query on COW tables in Presto (Owner: Sagar Sumit) - [HUDI-2628] Fix Chinese Docs (Owner: Kyle Weller) - [HUDI-2636] Make release notes discoverable (Owner: Kyle Weller) - [HUDI-2637] Triage all bugs around Multi-writer and certify the tested flows (Owner: sivabalan narayanan) - [HUDI-2641] One inflight commit rolling back other concurrent inflight commits causing them to fail (Owner: Udit Mehrotra) - [HUDI-2649] Kick off all the Hive query issues for 0.10.0 (Owner: Sagar Sumit) - [HUDI-2666] async compaction failing with timeline mismatches between server and client when metadata is enabled (Owner: Manoj Govindassamy) - [HUDI-2667] Avoid fs.exists() and fs.mkdirs() call to partitions in AbstractTablefileSystemView (Owner: Sagar Sumit) - [HUDI-2671] Fix record offset handling in Kafka connect transaction participant (Owner: Rajesh Mahindra) - [HUDI-2672] Avoid empty commits and rollbacks when there is no event from the topic (Owner: Rajesh Mahindra) - [HUDI-2716] Fix InLineFS path conversions for S3FS paths (Owner: Manoj Govindassamy) - [HUDI-2725] Add precommit validators doc (Owner: Kyle Weller) - [HUDI-2731] Clustering should work regardless of whether there are base files (Owner: Sagar Sumit) - [HUDI-2734] Disable metadata by default for flink and java (Owner: sivabalan narayanan) - [HUDI-2735] Fix archival of commits in Java client for Kafka Connect (Owner: Ethan Guo) - [HUDI-2737] Use earliest instant by default for compaction and clustering job (Owner: Ethan Guo) - [HUDI-2741] Validate metadata config for all readers (Owner: Sagar Sumit) - [HUDI-2745] Record count does not match input after compaction is scheduled when running Hudi Kafka Connect sink (Owner: Ethan Guo) - [HUDI-2762] Ensure hive can query insert only logs in MOR (Owner: agar Sumit) - [HUDI-2763] Avoid persisting redundant key field in the Metadata table record payload (Owner: Manoj Govindassamy) - [HUDI-2764] Address test failures after enabling virtual keys support for the metadata table (Owner: Manoj Govindassamy) - [HUDI-2766] Enable marker based rollback by default (Owner: sivabalan narayanan) - [HUDI-2767] Enable timeline server based marker type as default (Owner: sivabalan narayanan) - [HUDI-2770] Update docs for HoodieCompactor (compaction) and HoodieClusteringJob (clustering) (Owner: Kyle Weller) Please respond to the thread if you think that I have missed capturing any of the highlights or blockers for Hudi 0.10.0 release. For the owners of these release blockers, can you please provide a specific timeline you are willing to commit to for finishing these so we can cut an RC ? Thanks, Danny
