what is mapper and reducer in hadoop

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what is mapper and reducer in hadoop	0.35	0.4	557	37	36
what	1.43	0.9	6136	60	4
is	0.93	0.2	1273	83	2
mapper	1.91	0.1	3678	89	6
and	1.66	0.8	7754	67	3
reducer	0.47	0.1	9011	10	7
in	0.63	0.6	1636	83	2
hadoop	0.4	1	3352	57	6

Keyword	CPC	PCC	Volume	Score
what is mapper and reducer in hadoop	1.65	0.1	698	90
mapper and reducer in hadoop	0.74	0.7	8119	61
mapper reducer hadoop	1.49	0.7	6294	59
what is mapper in hadoop	0.49	0.3	8989	96
what is reducer in hadoop	1.49	0.5	2066	45
what is mapper and reducer	1.95	0.3	5166	67
what is map reduce in hadoop	1.28	0.8	6684	21
reducer class in hadoop	1.99	0.6	4590	79
mapper and reducer in java	1.3	0.9	3902	1
mapper and reducer in python	1.94	0.2	7545	97
mapper and reducer in mapreduce	1.3	0.4	3563	24
mapper class in hadoop	0.5	0.8	5786	32
difference between mapper and reducer	1.6	1	943	23
what is hadoop mapreduce	1.16	0.2	1525	24
mapr hadoop certification benefits	0.42	0.8	9300	4
map reduce in hadoop architecture	1.59	0.9	8894	24
mapreduce function in hadoop	0.73	0.4	3027	89
mapr 6 0 hadoop version	0.65	0.4	4873	21
map reduce features hadoop environment	0.43	0.4	4711	42
hadoop jar hadoop-mapreduce	1.41	0.4	8839	24