Thanx Chinna,
I have another question. Now I know that InputForamt is an interface in
apache hadoop, so what I get (and correct me if I m wrong) that it is Hive
implementation who makes all that splits , is it ? or it is because of
using of Cassandra?
In both cases, can I do anything to manage th
Hi,
Number of mappers will depend on some factors like,
1.The number of mappers is defined based on our data size (By default set
to one per HDFS block).
2.The number of mappers depends on amount of InputSplit generated by
InputFormat#getInputSplits method. In particular FileInputSplit splits
in
