Hadoop (4218)
Big Data General (104)
Big Data AllOther (3) What is difference between secondary namenode, checkpoint namenode & backupnod secondary namenode, a poorly named component of hadoop?
722What mechanism does hadoop framework provides to synchronize changes made in distribution cache during runtime of the application?
668
Define streaming?
Explain the different logging levels in cassandra.
Explain HCatalog Create Table CLI along with its syntax?
What are the parameters of mappers and reducers?
What is dataframe api?
What is Starvation scenario in spark streaming?
What is the relationship between hdfs, hbase, pig, hive and azkaban?
What is commodity hardware?
What bit version that ambari needs and also list out the operating systems that are compatible?
What is the use of coordinator node in read?
what is next step after mapper or maptask?
What is oozie in hadoop?
Explain the functionalities of ganglia in ambari?
What are the benefits of using Spark with Apache Mesos?
Name and describe three different kernel functions and in what situation you would use each.