Enabling HDFS/YARN HA and Other CDH Components to Use HDFS HA with Cloudera Manager 5.2

Enabling HDFS HA

Configuring HBase to Use HDFS HA
nothing to do

Upgrading the Hive Metastore to Use HDFS HA

Configuring Hue to Work with HDFS HA
add HttpFS role instance under HDFS

Restart the Hue service

Configuring Impala to Work with HDFS HA
impala-shell -i impala-daemon-host
[impala-daemon-host:21000] > INVALIDATE METADATA

restart the Impala service

Enabling YARN (MRv2) ResourceManager High Availability

Restart the JobHistory Server role

HBase High Availability
add a backup HBase Master to a different host than the one on which the active Master is running

(Optional): Llama High Availability 

 

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