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Yanqin Jin 2019-01-07 10:18:58 -08:00
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@ -11,7 +11,6 @@
* Introduced `MemoryAllocator`, which lets the user specify custom memory allocator for block based table.
* Improved `DeleteRange` to prevent read performance degradation. The feature is no longer marked as experimental.
* Enabled checkpoint on readonly db (DBImplReadOnly).
* Make DB ignore dropped column families while committing results of atomic flush.
### Public API Change
* `DBOptions::use_direct_reads` now affects reads issued by `BackupEngine` on the database's SSTs.
@ -29,6 +28,7 @@
* Start populating `NO_FILE_CLOSES` ticker statistic, which was always zero previously.
* The default value of NewBloomFilterPolicy()'s argument use_block_based_builder is changed to false. Note that this new default may cause large temp memory usage when building very large SST files.
* Fix a deadlock caused by compaction and file ingestion waiting for each other in the event of write stalls.
* Make DB ignore dropped column families while committing results of atomic flush.
## 5.17.0 (10/05/2018)
### Public API Change