Xov PAJ saib ib muag: Txij hadoop version 0.23, MapReduce tau hloov nws. Nws yog tam sim no hu ua MapReduce 2.0 los yog xov PAJ. MapReduce 2.0 raws li lub tswvyim ntawm splitting rau ob qho loj functionalities ntawm txoj hauj lwm tracker – tshwj fwm thiab…