139 lines
8.4 KiB
Markdown
139 lines
8.4 KiB
Markdown
Release 0.4.3
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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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### 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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### 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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