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Anand Ananthabhotla 2018-10-19 16:38:03 -07:00
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### Bug Fixes
* Fix slow flush/compaction when DB contains many snapshots. The problem became noticeable to us in DBs with 100,000+ snapshots, though it will affect others at different thresholds.
* Properly set the stop key for a truncated manual CompactRange
* Fix corner case where a write group leader blocked due to write stall blocks other writers in queue with WriteOptions::no_slowdown set.
### New Features
* Introduced CacheAllocator, which lets the user specify custom allocator for memory in block cache.
### Bug Fixes
* Fix corner case where a write group leader blocked due to write stall blocks other writers in queue with WriteOptions::no_slowdown set.
## 5.17.0 (10/05/2018)
### Public API Change
* `OnTableFileCreated` will now be called for empty files generated during compaction. In that case, `TableFileCreationInfo::file_path` will be "(nil)" and `TableFileCreationInfo::file_size` will be zero.