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Update HISTORY.md to 5.12.0

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Summary: Closes https://github.com/facebook/rocksdb/pull/3532

Differential Revision: D7062828

Pulled By: miasantreble

fbshipit-source-id: d36967a1cfbcaeeeb33b9f0e09e15dea85b08b70
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Zhongyi Xie 2018-02-22 16:31:58 -08:00 committed by Facebook Github Bot
parent 4624edc440
commit 243220d08a
1 changed files with 28 additions and 2 deletions
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# Rocksdb Change Log # Rocksdb Change Log
## Unreleased ## Unreleased
### Public API Change ### Public API Change
* RocksDBOptionsParser::Parse()'s `ignore_unknown_options` argument will only be effective if the option file shows it is generated using a higher version of RocksDB than the current version.
## 5.12.0 (2/14/2018)
### Public API Change
* Iterator::SeekForPrev is now a pure virtual method. This is to prevent user who implement the Iterator interface fail to implement SeekForPrev by mistake. * Iterator::SeekForPrev is now a pure virtual method. This is to prevent user who implement the Iterator interface fail to implement SeekForPrev by mistake.
* Add `include_end` option to make the range end exclusive when `include_end == false` in `DeleteFilesInRange()`. * Add `include_end` option to make the range end exclusive when `include_end == false` in `DeleteFilesInRange()`.
* Add `CompactRangeOptions::allow_write_stall`, which makes `CompactRange` start working immediately, even if it causes user writes to stall. The default value is false, meaning we add delay to `CompactRange` calls until stalling can be avoided when possible. Note this delay is not present in previous RocksDB versions. * Add `CompactRangeOptions::allow_write_stall`, which makes `CompactRange` start working immediately, even if it causes user writes to stall. The default value is false, meaning we add delay to `CompactRange` calls until stalling can be avoided when possible. Note this delay is not present in previous RocksDB versions.
* Creating checkpoint with empty directory now returns `Status::InvalidArgument`; previously, it returned `Status::IOError`. * Creating checkpoint with empty directory now returns `Status::InvalidArgument`; previously, it returned `Status::IOError`.
* RocksDBOptionsParser::Parse()'s `ignore_unknown_options` argument will only be effective if the option file shows it is generated using a higher version of RocksDB than the current version. * Adds a BlockBasedTableOption to turn off index block compression.
* Close() method now returns a status when closing a db.
### New Features ### New Features
* Improve the performance of iterators doing long range scans by using readahead. * Improve the performance of iterators doing long range scans by using readahead.
* Add new function `DeleteFilesInRanges()` to delete files in multiple ranges at once for better performance. * Add new function `DeleteFilesInRanges()` to delete files in multiple ranges at once for better performance.
* FreeBSD build support for RocksDB and RocksJava.
* Improved performance of long range scans with readahead.
* Updated to and now continuously tested in Visual Studio 2017.
### Bug Fixes ### Bug Fixes
* Fix `DisableFileDeletions()` followed by `GetSortedWalFiles()` to not return obsolete WAL files that `PurgeObsoleteFiles()` is going to delete. * Fix `DisableFileDeletions()` followed by `GetSortedWalFiles()` to not return obsolete WAL files that `PurgeObsoleteFiles()` is going to delete.
* Fix Handle error return from WriteBuffer() during WAL file close and DB close.
* Fix advance reservation of arena block addresses.
* Fix handling of empty string as checkpoint directory.
## 5.11.0 (01/08/2018)
### Public API Change
* Add `autoTune` and `getBytesPerSecond()` to RocksJava RateLimiter
### New Features
* Add a new histogram stat called rocksdb.db.flush.micros for memtable flush.
* Add "--use_txn" option to use transactional API in db_stress.
* Disable onboard cache for compaction output in Windows platform.
* Improve the performance of iterators doing long range scans by using readahead.
### Bug Fixes
* Fix a stack-use-after-scope bug in ForwardIterator.
* Fix builds on platforms including Linux, Windows, and PowerPC.
* Fix buffer overrun in backup engine for DBs with huge number of files.
* Fix a mislabel bug for bottom-pri compaction threads.
* Fix DB::Flush() keep waiting after flush finish under certain condition. * Fix DB::Flush() keep waiting after flush finish under certain condition.
* Fix Handle error return from WriteBuffer() during WAL file close and DB close
## 5.10.0 (12/11/2017) ## 5.10.0 (12/11/2017)
### Public API Change ### Public API Change