@Harry Li : Space used depends on multiple factors like the file size, block size and replication factor. What was to the average file size of data? It might be possible that your block size set is too big compared to files you are adding. Can you do hadoop listing on TPCDS directory? ... View more

@Sami Ahmad : The hive language manual link might help you https://cwiki.apache.org/confluence/display/Hive/LanguageManual+Indexing , there are reference resource links to hive indexing documents too. ... View more

@HimaniBansal: By default, Mappers and Reducers are run by ResourceManager, where ResourceManager launches separate JVM container for map and reduce tasks. The uber mode in YARN 2, allows running mapper and reducers in the same JVM as the ApplicationMaster master, avoiding the overhead of launching and communicating with remote containers. ... View more

Hi Mohamed, have you tried using your LDAP/ active directory login as username and password (this s how your kerberos is setup?). ... View more