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RocksDB v4.3.0 Release Notes

Release Date: 2015-12-08 // over 8 years ago

  • 🆕 New Features

    • CompactionFilter has new member function called IgnoreSnapshots which allows CompactionFilter to be called even if there are snapshots later than the key.
    • RocksDB will now persist options under the same directory as the RocksDB database on successful DB::Open, CreateColumnFamily, DropColumnFamily, and SetOptions.
    • ✅ Introduce LoadLatestOptions() in rocksdb/utilities/options_util.h. This function can construct the latest DBOptions / ColumnFamilyOptions used by the specified RocksDB intance.
    • Introduce CheckOptionsCompatibility() in rocksdb/utilities/options_util.h. This function checks whether the input set of options is able to open the specified DB successfully.

    Public API Changes

    • When options.db_write_buffer_size triggers, only the column family with the largest column family size will be flushed, not all the column families.