Un-Answered Questions { Big Data }

What do you understand by an inner bag and outer bag in Pig?

570


Explain different execution modes available in Pig?

522


How do users interact with HDFS in Apache Pig ?

519


what are the basic parameters of a Mapper?

502


What is a MapReduce Combiner?

508


Where is Mapper output stored?

499


what is JobTracker in Hadoop? What are the actions followed by Hadoop?

516


Is it possible to split 100 lines of input as a single split in MapReduce?

586


What is the fundamental difference between a MapReduce Split and a HDFS block?scale data processing?

606


Is it possible to rename the output file?

491


how JobTracker schedules a task ?

532


what is NameNode in Hadoop?

542


what does the conf.setMapper Class do ?

530


how is data partitioned before it is sent to the reducer if no custom partitioner is defined in Hadoop?

459


What is SequenceFileInputFormat?

524