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An issue to be aware of when Hadoop goes from non-ha to Namenode ha

Source: Internet
Author: User
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Configure Core-site.xml

Configure Hdfs-site.xml

Configure Mapred-site.xml

Configure Yarn-site.xml

Send to other nodes

Modify RM 2.. N the node information above

Format ZK HDFs Zkfc-formatzk

Initialize Journalnode:

HDFs namenode-initializesharededits

You need to start the process of each Journalnode node before the operation.

Otherwise, formatting is unsuccessful.

No reformatting of data is required to turn from non-ha to ha. Follow this procedure.

An issue to be aware of when Hadoop goes from non-ha to Namenode ha

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Related Keywords:
zigbee ha sqlite ha netscaler ha xenserver ha openstack ha postgresql ha special thanks goes to

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