What does /var/hadoop/pids do?
What is crontab? Explain with suitable example?
What are the responsibilities of a data analyst?
How does MapReduce framework view its input internally?
What is the heartbeat used for?
How to set the number of reducers?
List the various options available with the Hive command?
What is a "map" in Hadoop?
Is the keyword 'DEFINE' like a function name?
What is a 'block' in HDFS?
What are active and passive "NameNodes"?
Highlight the key differences between MapReduce and Apache Pig?
if you run Hive as a server?
What are the components of Apache Pig platform?
How is HDFS fault tolerant?