Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
In previous implementation each shard operation locked RW shard mutex. With this approach RW operations were executed one-by-one and blocked the execution of RO operations. Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
Implement the primary structure and operation of the local object storage shard. Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>