From 66d8360beb22c6b8e8704303a37310b30ae3099e Mon Sep 17 00:00:00 2001 From: Zhongyi Xie Date: Wed, 24 Apr 2019 21:25:50 -0700 Subject: [PATCH] update history.md (#5245) Summary: update history.md for `BottommostLevelCompaction::kForceOptimized` to mention possible user impact. Pull Request resolved: https://github.com/facebook/rocksdb/pull/5245 Differential Revision: D15073712 Pulled By: miasantreble fbshipit-source-id: d40f698c42e8a6368be4eac0a00d02279615edea --- HISTORY.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/HISTORY.md b/HISTORY.md index 9b4553323..a27971795 100644 --- a/HISTORY.md +++ b/HISTORY.md @@ -11,7 +11,7 @@ ### Public API Change * Change the behavior of OptimizeForPointLookup(): move away from hash-based block-based-table index, and use whole key memtable filtering. * Change the behavior of OptimizeForSmallDb(): use a 16MB block cache, put index and filter blocks into it, and cost the memtable size to it. DBOptions.OptimizeForSmallDb() and ColumnFamilyOptions.OptimizeForSmallDb() start to take an optional cache object. -* Added BottommostLevelCompaction::kForceOptimized to avoid double compacting newly compacted files in bottom level compaction of manual compaction. +* Added BottommostLevelCompaction::kForceOptimized to avoid double compacting newly compacted files in the bottommost level compaction of manual compaction. Note this option may prohibit the manual compaction to produce a single file in the bottommost level. ### Bug Fixes * Adjust WriteBufferManager's dummy entry size to block cache from 1MB to 256KB.