Un-Answered Questions { Apache Hadoop }

how to share the metastore within multiple users?

623


How do you define "block" in HDFS?

629


Where is the Mapper Output intermediate kay-value data stored ?

1055


What is Distributed Cache?

602


What problems have you faced when you are working on Hadoop code?

707


What is HDFS - Hadoop Distributed File System?

650


What are the most commonly defined input formats in Hadoop?

738


What does /var/hadoop/pids do?

939


What is the use of Combiner?

691


what is SPF?

1214


what are Task Tracker and Job Tracker?

696


On what basis name node distribute blocks across the data nodes?

759


Name some companies that use Hadoop?

677


Rack awareness of Namenode?

585


Have you ever used Counters in Hadoop. Give us an example scenario?

735