hadoop - Does hive create separate copy of data -


when create table in hive using csv file hdfs hive create separate copy of data?

this cause unnecessary waste memory

no, in hive whatever hdfs location have given @ time of table creation. data reside @ same location. there wont separate copy of data either csv or other file formats.


Comments

Popular posts from this blog

ios - RestKit 0.20 — CoreData: error: Failed to call designated initializer on NSManagedObject class (again) -

java - Digest auth with Spring Security using javaconfig -

laravel - PDOException in Connector.php line 55: SQLSTATE[HY000] [1045] Access denied for user 'root'@'localhost' (using password: YES) -