1. Configuring Hadoop Client Memory

You can use the Hadoop client to submit jobs to the Hadoop cluster. You might need to optimize the Hadoop client memory allocated by to the client machine. The Hadoop client memory is the amount of RAM utilized by the Hadoop client process and is defined in the %HADOOP_HOME%\etc\hadoop\hadoop-env.cmd configuration file. To set the Hadoop client memory configuration, run the following command:

set HADOOP_CLIENT_OPTS=-XmxMemory_amount

where Memory_amount is the new RAM specification.

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