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RocksDB 4.9
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@lightmark lightmark released this 17 Aug 17:58
· 6 commits to 4.9.fb since this release
v4.9
a683d4a

Public API changes

  • Add bottommost_compression option, This option can be used to set a specific compression algorithm for the bottommost level (Last level containing files in the DB).
  • Introduce CompactionJobInfo::compression, This field state the compression algorithm used to generate the output files of the compaction.
  • Deprecate BlockBaseTableOptions.hash_index_allow_collision=false
  • Deprecate options builder (GetOptions()).

New Features

  • Introduce NewSimCache() in rocksdb/utilities/sim_cache.h. This function creates a block cache that is able to give simulation results (mainly hit rate) of simulating block behavior with a configurable cache size.
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