[hash_begin..hash_end) defines characters to use for hash calculation. Recommended
hash ranges: O(0-13) P(0-8) m(0-16). Sharding of S,T,C,M,B prefixes is inadvised'
fmt_desc: Definition of BlueStore's RocksDB sharding.
- The optimal value depends on multiple factors, and modification is invadvisable.
+ The optimal value depends on multiple factors, and modification is inadvisable.
This setting is used only when OSD is doing ``--mkfs``.
Next runs of OSD retrieve sharding from disk.
default: m(3) p(3,0-12) O(3,0-13)=block_cache={type=binned_lru} L=min_write_buffer_number_to_merge=32 P=min_write_buffer_number_to_merge=32