I want to copy a table from HBase to HBase across clusters by using copytable command, by default it is set to 1 mapper and scans all rows which cause a timeout. Are there any options available for the HBase copytable command in a way to optimize performance? without specifying any parameter to HBase-site.xml.   hbase org.apache.hadoop.hbase.mapreduce.CopyTable --peer.adr=myserver:/hbase --new.name=<<tablename>>  <<tablename>>  ... View more