Un-Answered Questions { Apache Hadoop }

how to share the metastore within multiple users?

630


How do you define "block" in HDFS?

633


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

1059


What is Distributed Cache?

608


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

713


What is HDFS - Hadoop Distributed File System?

654


What are the most commonly defined input formats in Hadoop?

740


What does /var/hadoop/pids do?

947


What is the use of Combiner?

695


what is SPF?

1216


what are Task Tracker and Job Tracker?

703


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

765


Name some companies that use Hadoop?

683


Rack awareness of Namenode?

591


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

741