Enabling HDFS HA

Enabling HDFS/YARN HA and Other CDH Components to Use HDFS HA with Cloudera Manager 5.2_第1张图片


Configuring HBase to Use HDFS HA
nothing to do

Upgrading the Hive Metastore to Use HDFS HA

Enabling HDFS/YARN HA and Other CDH Components to Use HDFS HA with Cloudera Manager 5.2_第2张图片



Configuring Hue to Work with HDFS HA
add HttpFS role instance under HDFS
Enabling HDFS/YARN HA and Other CDH Components to Use HDFS HA with Cloudera Manager 5.2_第3张图片


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

Enabling HDFS/YARN HA and Other CDH Components to Use HDFS HA with Cloudera Manager 5.2_第4张图片

Enabling HDFS/YARN HA and Other CDH Components to Use HDFS HA with Cloudera Manager 5.2_第5张图片

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
Enabling HDFS/YARN HA and Other CDH Components to Use HDFS HA with Cloudera Manager 5.2_第6张图片

ok