Hadoop (4218)
Big Data General (104)
Big Data AllOther (3) What is the maximum size of string data type supported by Hive?
Does spark use hive?
Explain the memtable in cassandra?
Can you explain the benefits of big data?
Can you define parquet file?
Name some features of Apache Cassandra?
What is the difference between Column and SuperColumn?
When executing Hive queries in different directories, why is metastore_db created in all places from where Hive is launched?
Describe coalesce() operation. When can you coalesce to a larger number of partitions? Explain.
State syntax of the command that is used to drop a partition?
How to insert records in apache tajo?
Explian the Limitations of HBase?
What is ganglia is used for in ambari?
What is meant by rdd in spark?
Explain how do ‘map’ and ‘reduce’ works?