Hadoop (4218)
Big Data General (104)
Big Data AllOther (3)
What is spark certification?
Explain how can we check whether namenode is working or not?
What are partitions in cassandra?
Where cassandra stores its data?
What is the difference between TextInputFormat and KeyValueInputFormat class?
Does HDFS allow a client to read a file which is already opened for writing in hadoop?
What are the various diagnostic operators available in Apache Pig?
what is Bloom Filter is used for in Cassandra?
What is the use of apache flume?
Is kafka an etl tool?
Does spark run mapreduce?
What are the different data formats supported by apache tajo?
Explain plucktuple?
What is the difference between rdd and dataframe in spark?
When to use hadoop, hbase, hive and pig?