What are Guarantees provided by Kafka?
Explain what happens when hadoop spawned 50 tasks for a job and one of the task failed?
What is the unit of data that flows through a flume agent?
What is the use of ycsb?
How does impala achieve its performance improvements?
What is Hive Data Definition language?
What are the different tools used for Ambari monitoring purpose?
What is the purpose of retention period in Kafka cluster?
What are possible types of Channel Selectors?
Why is block size set to 128 MB in Hadoop HDFS?
What is ObjectInspector functionality?
What are the modes in which Apache Hadoop run?
Explain HCatLoader APIs?
What are spark stages?
What is the difference between spark and python?