Please take a look at the getSplits() methods in: hbase-server/src/main/java/org/apache/hadoop/hbase/mapreduce/TableInputFormat.java hbase-server/src/main/java/org/apache/hadoop/hbase/mapred/TableInputFormatBase.java
Cheers On Fri, May 12, 2017 at 2:08 AM, Rajeshkumar J <[email protected]> wrote: > Hi, > > I am running a mapreduce job over hbase table. I went through some blogs > and in that it is mentioned that data locality will be achieved for this > job other than some cases like region reassignment and others. When I run > mapreduce job over hbase table it takes each region as input for each > mapper. My question is how this job knows which region exists where? can > anyone explain this flow > > Thanks >
