Hadoop (4218)
Big Data General (104)
Big Data AllOther (3)
How do I use spark with big data?
What is the use of map transformation?
What happens when two users try to access to the same file in HDFS?
How can it help for avoiding costly modeling?
Can you define parquet file?
What are the differences between hadoop 1 and hadoop 2?
Which command is used to list all the tables in a database or list all the columns in a table?
What is the disadvantage of spark sql?
Does spark need hdfs?
Explain Spark Core?
What is Zookeeper Cluster?
How does impala process join queries for large tables?
What is contextual routing in flume?
Where can the metastore database be hosted?
Explain about the execution plans of a Pig Script? Or Differentiate between the logical and physical plan of an Apache Pig script?