What is salary of hadoop developer?
Which is the best hadoop certification?
Who invented hadoop?
Why is hadoop faster?
Is kafka open source?
Why do we need hdfs?
What are 4 v's of big data?
What is dataproc cluster?
What is mlib?
What is pregel api?
Why is rdd immutable?
What is difference between spark and scala?
What is difference between spark and kafka?
What is hadoop spark?
What do spark executors manage?