Why do we use HDFS for applications having large data sets and not when there are lot of small files?1 971
What do the master class and the output class do?
Name different types of the data model?
Which command is used to show the current hbase user?
What are the components of Pig Execution Environment?
On which port does ssh work?
Can I use impala to query data already loaded into hive and hbase?
how can you debug Hadoop code?
What do you mean by the high availability of a namenode?
Can we change Replication Factor on a live cluster?
How to enable recycle bin or trash in hadoop?
What are the independent extensions that are contributed to the ambari codebase?
Define Mem-table in Cassandra?
Explain Dsstream with reference to Apache Spark
What is the difference between apache mahout and spark mllib ?
For a Hadoop job, how will you write a custom partitioner?