add parallel workers to perform replication in parallel (#10525)
add parallel workers to perform replication in parallel (#10525)

set the concurrency for replication be to runtime.NumCPU()/2
donatello/minio,minio/minio,vadmeste/minio,krisis/minio,minio/minio,balamurugana/minio,vadmeste/minio,donatello/minio,NitishT/minio,krisis/minio,NitishT/minio,NitishT/minio,balamurugana/minio,NitishT/minio