Demonstration of Map side join if the join key data size is too small Input Data : order_custid.txt ..............................................................................

781571544 S9876126 781571545 S9876127 781571546 S9876128 781571547 S9876129 781571548 S9876130 781571549 S9876131 781571550 S9876132 781571551 S9876133 781571552 S9876134

Customer Data : cust_data.txt .............................................................................

781571544 Smith,John (248)-555-9430 jsmith@aol.com 781571545 Hunter,April (815)-555-3029 april@showers.org 781571546 Ching,Iris (305)-555-0919 iching@zen.org 781571547 Doe,John (212)-555-0912 jdoe@morgue.com 781571548 Jones,Tom (312)-555-3321 tj2342@aol.com 781571549 Smith,John (607)-555-0023 smith@pocahontas.com 781571550 Crosby,Dave (405)-555-1516 cros@csny.org 781571551 Johns,Pam (313)-555-6790 pj@sleepy.com 781571552 Jetter,Linda (810)-555-8761 netless@earthlink.net

output:: ................................................................................. 781571544 Smith,John (248)-555-9430 jsmith@aol.com S9876126 781571545 Hunter,April (815)-555-3029 april@showers.org S9876127 781571546 Ching,Iris (305)-555-0919 iching@zen.org S9876128 781571547 Doe,John (212)-555-0912 jdoe@morgue.com S9876129 781571548 Jones,Tom (312)-555-3321 tj2342@aol.com S9876130 781571549 Smith,John (607)-555-0023 smith@pocahontas.com S9876131 781571550 Crosby,Dave (405)-555-1516 cros@csny.org S9876132 781571551 Johns,Pam (313)-555-6790 pj@sleepy.com S9876133 781571552 Jetter,Linda (810)-555-8761 netless@earthlink.net S9876134 781571552 Jetter,Linda (810)-555-8761 netless@earthlink.net S9876134 781571552 Jetter,Linda (810)-555-8761 netless@earthlink.net S9876134