Let's see how we can change various configuration settings at runtime.
Follow these steps to change any of the Hive configuration properties at runtime for a particular session or query:
Configuration for Hive and underlying MapReduce could be changed at runtime through beeline or the CLI. The general syntax to set a property is as follows:
SET key=value;
The configuration set is only applicable for that session. If you want to set it permanently, then you need to set it in
Hive-site.xml
. The examples are as follows:beeline> SET mapred.job.tracker=example.host.com:50030; Hive> SET Hive.exec.mode.local.auto=false;