Function tikv_ctl::compact_whole_cluster

pub(crate) fn compact_whole_cluster(
    pd_client: &RpcClient, 
    cfg: &TiKvConfig, 
    mgr: Arc<SecurityManager>, 
    db_type: DBType, 
    cfs: Vec<&str>, 
    from: Option<Vec<u8>>, 
    to: Option<Vec<u8>>, 
    threads: u32, 
    bottommost: BottommostLevelCompaction
)