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Hadoop >> mail # user >> Hadoop 2.4.1 Verifying Automatic Failover Failed: Unable to trigger a roll of the active NN


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Re: Hadoop 2.4.1 Verifying Automatic Failover Failed: ResourceManager and JobHistoryServer do not auto-failover to Standby Node
You need additional settings to make ResourceManager auto-failover.

http://hadoop.apache.org/docs/r2.4.1/hadoop-yarn/hadoop-yarn-site/ResourceManagerHA.html

JobHistoryServer does not have automatic failover feature.

Regards,
Akira

(2014/08/05 20:15), [EMAIL PROTECTED] wrote: