rocksdb_compaction_readahead_sizeSpecifies the size of reads to perform ahead of compaction. Default value is
0. Set this to at least 2 megabytes (
16777216) when using MyRocks with spinning disks to ensure sequential reads instead of random. Maximum allowed value is
If you set this variable to a non-zero value, rocksdb_new_table_reader_for_compaction_inputs is enabled.