320 lines
21 KiB
Markdown
320 lines
21 KiB
Markdown
Release 0.4.7
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### Highlights
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* Major releases with fundamental changes to filesystem listing & write failure handling
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* Introduced the first version of HoodieTimelineServer that runs embedded on the driver
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* With all executors fetching filesystem listing via RPC to timeline server, drastically reduced filesystem listing!
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* Failing concurrent write tasks are now handled differently to be robust against spark stage retries
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* Bug fixes/clean up around indexing, compaction
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### Full PR List
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* **@bvaradar** - HUDI-135 - Skip Meta folder when looking for partitions #698
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* **@bvaradar** - HUDI-136 - Only inflight commit timeline (.commit/.deltacommit) must be used when checking for sanity during compaction scheduling #699
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* **@bvaradar** - HUDI-134 - Disable inline compaction for Hoodie Demo #696
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* **@v3nkatesh** - default implementation for HBase index qps allocator #685
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* **@bvaradar** - SparkUtil#initLauncher shoudn't raise when spark-defaults.conf doesn't exist #670HUDI-131 Zero File Listing in Compactor run #693
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* **@vinothchandar** - Fixed HUDI-116 : Handle duplicate record keys across partitions #687
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* **@leilinen** - HUDI-105 : Fix up offsets not available on leader exception #650
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* **@bvaradar** - Allow users to set hoodie configs figs for Compactor, Cleaner and HDFSParquetImporter utility scripts #691
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* **@bvaradar** - Spark Stage retry handling #651
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* **@pseudomoto** - HUDI-113: Use Pair over # delimited string #672
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* **@bvaradar** - Support nested types for recordKey, partitionPath and combineKey #684
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* **@vinothchandar** - Downgrading fasterxml jackson to 2.6.7 to be spark compatible #686
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* **@bvaradar** - Timeline Service with Incremental View Syncing support #600
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Release 0.4.6
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------------------------------------
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### Highlights
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* Index performance! Interval trees + bucketized checking speed up index lookup upto 10x!
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* Faster writing due to cached avro encoder/decoders, lighter memory usage, lesser data shuffled.
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* Support for spark jobs using > 1 cores per executor
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* DeltaStreamer bug fixes (inline compaction, hive sync, error record handling)
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* Empty Record payload to support deletes out-of-box easily
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* Fixes to hive/spark bundles around dependencies, versioning, shading
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### Full PR List
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* **@bvaradar** - Minor CLI documentation change in delta-streamer #679
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* **@n3nash** - converting map task memory from mb to bytes #678
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* **@bvaradar** - Fix various errors found by long running delta-streamer tests #675
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* **@vinothchandar** - Bucketized Bloom Filter checking #671
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* **@pseudomuto** - SparkUtil#initLauncher shoudn't raise when spark-defaults.conf doesn't exist #670
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* **@abhioncbr** - HUDI-101: added exclusion filters for signature files. #669
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* **@ovj** - migrating kryo's dependency from twitter chill to plain kryo library #649
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* **@bvaradar** - Revert "HUDI-101: added mevn-shade plugin with filters." #665
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* **@abhioncbr** - HUDI-101: added mevn-shade plugin with filters. #659
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* **@bvaradar** - Rollback inflights when using Spark [Streaming] write #660
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* **@vinothchandar** - Making DataSource/DeltaStreamer use defaults for combining #634
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* **@vinothchandar** - Fixes HUDI-85 : Interval tree based pruning for Bloom Index #653
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* **@takezoe** - Fix to enable hoodie.datasource.read.incr.filters #655
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* **@n3nash** - Removing OLD MAGIC header #648
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* **@bvaradar** - Revert "Read and apply schema for each log block from the metadata header instead of the latest schema" #647
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* **@lyogev** - Add empty payload class to support deletes via apache spark #635
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* **@bvaradar** - Move to apachehudi dockerhub repository & use openjdk docker containers #644
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* **@bvaradar** - Fix Hive RT query failure in hoodie demo #645
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* **@ovj** - Revert - Replacing Apache commons-lang3 object serializer with Kryo #642
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* **@n3nash** - Read and apply schema for each log block from the metadata header instead of the latest schema #640
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* **@bhasudha** - FIXES HUDI-98: Fix multiple issues when using build_local_docker_images for demo setup #636
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* **@n3nash** - Performing commit archiving in batches to avoid keeping a huge chunk in memory #631
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* **@bvaradar** - Essential Hive packages missing in hoodie spark bundle #633
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* **@n3nash** - 1. Minor changes to fix compaction 2. Adding 2 compaction policies 3. Adding a Hbase index property #629
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* **@milantracy** - [HUDI-66] FSUtils.getRelativePartitionPath does not handle repeated f… #627
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* **@vinothchandar** - Fixing small file handling, inline compaction defaults #599
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* **@vinothchandar** - Follow up HUDI-27 : Call super.close() in HoodieWraperFileSystem::close() #621
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* **@vinothchandar** - Fix HUDI-27 : Support num_cores > 1 for writing through spark #620
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* **@vinothchandar** - Fixes HUDI-38: Reduce memory overhead of WriteStatus #616
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* **@vinothchandar** - Fixed HUDI-87 : Remove schemastr from BaseAvroPayload #619
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* **@vinothchandar** - Fixes HUDI-9 : Check precondition minInstantsToKeep > cleanerCommitsR… #617
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* **@n3nash** - Fixing source schema and writer schema distinction in payloads #612
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* **@ambition119** - [HUDI-63] Removed unused BucketedIndex code #608
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* **@bvaradar** - run_hive_sync tool must be able to handle case where there are multiple standalone jdbc jars in hive installation dir #609
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* **@milantracy** - add a script that shuts down demo cluster gracefully #606
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* **@n3nash** - Enable multi rollbacks for MOR table type #546
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* **@ovj** - Replacing Apache commons-lang3 object serializer with Kryo serializer #583
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* **@kaka11chen** - Add compression codec configurations for HoodieParquetWriter. #604
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* **@smarthi** - HUDI-75: Add KEYS #601
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* **@vinothchandar** - Removing docs folder from master branch #602
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* **@bvaradar** - Fix hive sync and deltastreamer issue in demo #593
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* **@bhasudha** - Fix quickstart documentation for querying via Presto #598
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* **@ovj** - Handling duplicate record update for single partition (duplicates in single or different parquet files) #584
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* **@kaka11chen** - Fix avro doesn't have short and byte type. #595
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* **@bvaradar** - FIleSystem View to handle same fileIds across partitions correctly #572
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* **@vinothchandar** - Upgrade various jar, gem versions for maintenance #575
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Release 0.4.5
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------------------------------------
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### Highlights
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* Dockerized demo with support for different Hive versions
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* Smoother handling of append log on cloud stores
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* Introducing a global bloom index, that enforces unique constraint across partitions
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* CLI commands to analyze workloads, manage compactions
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* Migration guide for folks wanting to move datasets to Hudi
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* Added Spark Structured Streaming support, with a Hudi sink
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* In-built support for filtering duplicates in DeltaStreamer
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* Support for plugging in custom transformation in DeltaStreamer
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* Better support for non-partitioned Hive tables
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* Support hard deletes for Merge on Read storage
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* New slack url & site urls
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* Added presto bundle for easier integration
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* Tons of bug fixes, reliability improvements
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### Full PR List
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* **@bhasudha** - Create hoodie-presto bundle jar. fixes #567 #571
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* **@bhasudha** - Close FSDataInputStream for meta file open in HoodiePartitionMetadata . Fixes issue #573 #574
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* **@yaoqinn** - handle no such element exception in HoodieSparkSqlWriter #576
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* **@vinothchandar** - Update site url in README
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* **@yaooqinn** - typo: bundle jar with unrecognized variables #570
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* **@bvaradar** - Table rollback for inflight compactions MUST not delete instant files at any time to avoid race conditions #565
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* **@bvaradar** - Fix Hoodie Record Reader to work with non-partitioned dataset ( ISSUE-561) #569
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* **@bvaradar** - Hoodie Delta Streamer Features : Transformation and Hoodie Incremental Source with Hive integration #485
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* **@vinothchandar** - Updating new slack signup link #566
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* **@yaooqinn** - Using immutable map instead of mutables to generate parameters #559
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* **@n3nash** - Fixing behavior of buffering in Create/Merge handles for invalid/wrong schema records #558
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* **@n3nash** - cleaner should now use commit timeline and not include deltacommits #539
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* **@n3nash** - Adding compaction to HoodieClient example #551
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* **@n3nash** - Filtering partition paths before performing a list status on all partitions #541
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* **@n3nash** - Passing a path filter to avoid including folders under .hoodie directory as partition paths #548
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* **@n3nash** - Enabling hard deletes for MergeOnRead table type #538
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* **@msridhar** - Add .m2 directory to Travis cache #534
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* **@artem0** - General enhancements #520
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* **@bvaradar** - Ensure Hoodie works for non-partitioned Hive table #515
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* **@xubo245** - fix some spell errorin Hudi #530
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* **@leletan** - feat(SparkDataSource): add structured streaming sink #486
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* **@n3nash** - Serializing the complete payload object instead of serializing just the GenericRecord in HoodieRecordConverter #495
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* **@n3nash** - Returning empty Statues for an empty spark partition caused due to incorrect bin packing #510
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* **@bvaradar** - Avoid WriteStatus collect() call when committing batch to prevent Driver side OOM errors #512
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* **@vinothchandar** - Explicitly handle lack of append() support during LogWriting #511
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* **@n3nash** - Fixing number of insert buckets to be generated by rounding off to the closest greater integer #500
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* **@vinothchandar** - Enabling auto tuning of insert splits by default #496
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* **@bvaradar** - Useful Hudi CLI commands to debug/analyze production workloads #477
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* **@bvaradar** - Compaction validate, unschedule and repair #481
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* **@shangxinli** - Fix addMetadataFields() to carry over 'props' #484
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* **@n3nash** - Adding documentation for migration guide and COW vs MOR tradeoffs #470
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* **@leletan** - Add additional feature to drop later arriving dups #468
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* **@bvaradar** - Fix regression bug which broke HoodieInputFormat handling of non-hoodie datasets #482
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* **@vinothchandar** - Add --filter-dupes to DeltaStreamer #478
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* **@bvaradar** - A quickstart demo to showcase Hudi functionalities using docker along with support for integration-tests #455
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* **@bvaradar** - Ensure Hoodie metadata folder and files are filtered out when constructing Parquet Data Source #473
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* **@leletan** - Adds HoodieGlobalBloomIndex #438
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Release 0.4.4
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------------------------------------
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### Highlights
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* Dependencies are now decoupled from CDH and based on apache versions!
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* Support for Hive 2 is here!! Use -Dhive11 to build for older hive versions
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* Deltastreamer tool reworked to make configs simpler, hardended tests, added Confluent Kafka support
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* Provide strong consistency for S3 datasets
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* Removed dependency on commons lang3, to ease use with different hadoop/spark versions
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* Better CLI support and docs for managing async compactions
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* New CLI commands to manage datasets
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### Full PR List
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* **@vinothchandar** - Perform consistency checks during write finalize #464
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* **@bvaradar** - Travis CI tests needs to be run in quieter mode (WARN log level) to avoid max log-size errors #465
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* **@lys0716** - Fix the name of avro schema file in Test #467
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* **@bvaradar** - Hive Sync handling must work for datasets with multi-partition keys #460
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* **@bvaradar** - Explicitly release resources in LogFileReader and TestHoodieClientBase. Fixes Memory allocation errors #463
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* **@bvaradar** - [Release Blocking] Ensure packaging modules create sources/javadoc jars #461
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* **@vinothchandar** - Fix bug with incrementally pulling older data #458
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* **@saravsars** - Updated jcommander version to fix NPE in HoodieDeltaStreamer tool #443
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* **@n3nash** - Removing dependency on apache-commons lang 3, adding necessary classes as needed #444
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* **@n3nash** - Small file size handling for inserts into log files. #413
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* **@vinothchandar** - Update Gemfile.lock with higher ffi version
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* **@bvaradar** - Simplify and fix CLI to schedule and run compactions #447
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* **@n3nash** - Fix a failing test case intermittenly in TestMergeOnRead due to incorrect prev commit time #448
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* **@bvaradar**- CLI to create and desc hoodie table #446
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* **@vinothchandar**- Reworking the deltastreamer tool #449
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* **@bvaradar**- Docs for describing async compaction and how to operate it #445
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* **@n3nash**- Adding check for rolling stats not present in existing timeline to handle backwards compatibility #451
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* **@bvaradar** **@vinothchandar** - Moving all dependencies off cdh and to apache #420
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* **@bvaradar**- Reduce minimum delta-commits required for compaction #452
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* **@bvaradar**- Use spark Master from environment if set #454
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Release 0.4.3
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------------------------------------
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### Highlights
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* Ability to run compactions asynchrously & in-parallel to ingestion/write added!!!
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* Day based compaction does not respect IO budgets i.e agnostic of them
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* Adds ability to throttle writes to HBase via the HBaseIndex
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* (Merge on read) Inserts are sent to log files, if they are indexable.
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### Full PR List
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* **@n3nash** - Adding ability for inserts to be written to log files #400
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* **@n3nash** - Fixing bug introducted in rollback for MOR table type with inserts into log files #417
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* **@n3nash** - Changing Day based compaction strategy to be IO agnostic #398
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* **@ovj** - Changing access level to protected so that subclasses can access it #421
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* **@n3nash** - Fixing missing hoodie record location in HoodieRecord when record is read from disk after being spilled #419
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* **@bvaradar** - Async compaction - Single Consolidated PR #404
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* **@bvaradar** - BUGFIX - Use Guava Optional (which is Serializable) in CompactionOperation to avoid NoSerializableException #435
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* **@n3nash** - Adding another metric to HoodieWriteStat #434
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* **@n3nash** - Fixing Null pointer exception in finally block #440
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* **@kaushikd49** - Throttling to limit QPS from HbaseIndex #427
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Release 0.4.2
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### Highlights
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* Parallelize Parquet writing & input record read resulting in upto 2x performance improvement
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* Better out-of-box configs to support upto 500GB upserts, improved ROPathFilter performance
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* Added a union mode for RT View, that supports near-real time event ingestion without update semantics
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* Added a tuning guide with suggestions for oft-encountered problems
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* New configs for configs for compression ratio, index storage levels
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### Full PR List
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* **@jianxu** - Use hadoopConf in HoodieTableMetaClient and related tests #343
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* **@jianxu** - Add more options in HoodieWriteConfig #341
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* **@n3nash** - Adding a tool to read/inspect a HoodieLogFile #328
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* **@ovj** - Parallelizing parquet write and spark's external read operation. #294
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* **@n3nash** - Fixing memory leak due to HoodieLogFileReader holding on to a logblock #346
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* **@kaushikd49** - DeduplicateRecords based on recordKey if global index is used #345
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* **@jianxu** - Checking storage level before persisting preppedRecords #358
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* **@n3nash** - Adding config for parquet compression ratio #366
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* **@xjodoin** - Replace deprecated jackson version #367
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* **@n3nash** - Making ExternalSpillableMap generic for any datatype #350
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* **@bvaradar** - CodeStyle formatting to conform to basic Checkstyle rules. #360
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* **@vinothchandar** - Update release notes for 0.4.1 (post) #371
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* **@bvaradar** - Issue-329 : Refactoring TestHoodieClientOnCopyOnWriteStorage and adding test-cases #372
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* **@n3nash** - Parallelized read-write operations in Hoodie Merge phase #370
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* **@n3nash** - Using BufferedFsInputStream to wrap FSInputStream for FSDataInputStream #373
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* **@suniluber** - Fix for updating duplicate records in same/different files in same pa… #380
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* **@bvaradar** - Fixit : Add Support for ordering and limiting results in CLI show commands #383
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* **@n3nash** - Adding metrics for MOR and COW #365
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* **@n3nash** - Adding a fix/workaround when fs.append() unable to return a valid outputstream #388
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* **@n3nash** - Minor fixes for MergeOnRead MVP release readiness #387
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* **@bvaradar** - Issue-257: Support union mode in HoodieRealtimeRecordReader for pure insert workloads #379
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* **@n3nash** - Enabling global index for MOR #389
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* **@suniluber** - Added a new filter function to filter by record keys when reading parquet file #395
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* **@vinothchandar** - Improving out of box experience for data source #295
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* **@xjodoin** - Fix wrong use of TemporaryFolder junit rule #411
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Release 0.4.1
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------------------------------------
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### Highlights
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* Good enhancements for merge-on-read write path : spillable map for merging, evolvable log format, rollback support
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* Cloud file systems should now work out-of-box for copy-on-write tables, with configs picked up from SparkContext
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* Compaction action is no more, multiple delta commits now lead to a commit upon compaction
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* API level changes include : compaction api, new prepped APIs for higher plugability for advanced clients
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### Full PR List
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* **@n3nash** - Separated rollback as a table operation, implement rollback for MOR #247
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* **@n3nash** - Implementing custom payload/merge hooks abstractions for application #275
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* **@vinothchandar** - Reformat project & tighten code style guidelines #280
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* **@n3nash** - Separating out compaction() API #282
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* **@n3nash** - Enable hive sync even if there is no compaction commit #286
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* **@n3nash** - Partition compaction strategy #281
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* **@n3nash** - Removing compaction action type and associated compaction timeline operations, replace with commit action type #288
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* **@vinothchandar** - Multi/Cloud FS Support for Copy-On-Write tables #293
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* **@vinothchandar** - Update Gemfile.lock #298
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* **@n3nash** - Reducing memory footprint required in HoodieAvroDataBlock and HoodieAppendHandle #290
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* **@jianxu** - Add FinalizeWrite in HoodieCreateHandle for COW tables #285
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* **@n3nash** - Adding global indexing to HbaseIndex implementation #318
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* **@n3nash** - Small File Size correction handling for MOR table type #299
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* **@jianxu** - Use FastDateFormat for thread safety #320
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* **@vinothchandar** - Fix formatting in HoodieWriteClient #322
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* **@n3nash** - Write smaller sized multiple blocks to log file instead of a large one #317
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* **@n3nash** - Added support for Disk Spillable Compaction to prevent OOM issues #289
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* **@jianxu** - Add new APIs in HoodieReadClient and HoodieWriteClient #327
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* **@jianxu** - Handle inflight clean instants during Hoodie instants archiving #332
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* **@n3nash** - Introducing HoodieLogFormat V2 with versioning support #331
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* **@n3nash** - Re-factoring Compaction as first level API in WriteClient similar to upsert/insert #330
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Release 0.4.0
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------------------------------------
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### Highlights
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* [Spark datasource API](https://uber.github.io/hoodie/quickstart.html#datasource-api) now supported for Copy-On-Write datasets, across all views
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* BloomIndex can now [prune based on key ranges](https://uber.github.io/hoodie/configurations.html#bloomIndexPruneByRanges) & cut down index tagging time dramatically, for time-prefixed/ordered record keys
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* Hive sync tool registers RO and RT tables now.
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* Client application can now specify the partitioner to be used by bulkInsert(), useful for low-level control over initial record placement
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* Framework for metadata tracking inside IO handles, to implement Spark accumulator-style counters, that are consistent with the timeline
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* Bug fixes around cleaning, savepoints & upsert's partitioner.
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### Full PR List
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* **@gekath** - Writes relative paths to .commit files #184
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* **@kaushikd49** - Correct clean bug that causes exception when partitionPaths are empty #202
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* **@vinothchandar** - Refactor HoodieTableFileSystemView using FileGroups & FileSlices #201
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* **@prazanna** - Savepoint should not create a hole in the commit timeline #207
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* **@jianxu** - Fix TimestampBasedKeyGenerator in HoodieDeltaStreamer when DATE_STRING is used #211
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* **@n3nash** - Sync Tool registers 2 tables, RO and RT Tables #210
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* **@n3nash** - Using FsUtils instead of Files API to extract file extension #213
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* **@vinothchandar** - Edits to documentation #219
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* **@n3nash** - Enabled deletes in merge_on_read #218
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* **@n3nash** - Use HoodieLogFormat for the commit archived log #205
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* **@n3nash** - fix for cleaning log files in master branch (mor) #228
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* **@vinothchandar** - Adding range based pruning to bloom index #232
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* **@n3nash** - Use CompletedFileSystemView instead of CompactedView considering deltacommits too #229
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* **@n3nash** - suppressing logs (under 4MB) for jenkins #240
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* **@jianxu** - Add nested fields support for MOR tables #234
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* **@n3nash** - adding new config to separate shuffle and write parallelism #230
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* **@n3nash** - adding ability to read archived files written in log format #252
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* **@ovj** - Removing randomization from UpsertPartitioner #253
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* **@ovj** - Replacing SortBy with custom partitioner #245
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* **@esmioley** - Update deprecated hash function #259
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* **@vinothchandar** - Adding canIndexLogFiles(), isImplicitWithStorage(), isGlobal() to HoodieIndex #268
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* **@kaushikd49** - Hoodie Event callbacks #251
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* **@vinothchandar** - Spark Data Source (finally) #266
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Previous Releases
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------------
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* Refer to [github](https://github.com/uber/hoodie/releases)
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