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Running the Balancer on Oracle Big Data Appliance V2 (Doc ID 1559980.1)

Last updated on MARCH 27, 2020

Applies to:

Big Data Appliance Integrated Software - Version 2.0.1 and later
Linux x86-64

Purpose

This document details the usage of the balancer (CHD4) on the Oracle Big Data Appliance (BDA) V2.

Details

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In this Document
Purpose
Details
 Balancer on the BDA
 Starting/Stopping the balancer from the command line
 Getting help on the command line
 Best Practice for Starting/Stopping the balancer from the command line
 Stopping/Starting balancer steps
 Running the balancer in Cloudera Manager
 Impact of rebalancing on cluster performance
 Tuning the balancer on the BDA
 dfs.datanode.balance.bandwidthPerSec  argument
 threshold argument
 Troubleshooting on the BDA
 HBase and the Balancer on the BDA
 HBase and data locality when running the balancer
 Running major compaction as a workaround

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