hbase预分region

create 'ssxtest', { NAME => 'info', COMPRESSION => 'snappy' }, {NUMREGIONS => 9, SPLITALGO => 'HexStringSplit'}

create 'ssxtest1', {NAME => 'f',VERSIONS => 1, COMPRESSION => 'SNAPPY'}, {SPLITS=> ['100','200','300','400','500']}