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https://issues.apache.org/jira/browse/AMBARI-23700?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Onischuk updated AMBARI-23700:
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Status: Patch Available (was: Open)
> Stack scripts should only try to reach corresponding Namenode pair in the
> context rather than all NNs
> -----------------------------------------------------------------------------------------------------
>
> Key: AMBARI-23700
> URL: https://issues.apache.org/jira/browse/AMBARI-23700
> Project: Ambari
> Issue Type: Bug
> Reporter: Andrew Onischuk
> Assignee: Andrew Onischuk
> Priority: Major
> Fix For: 2.7.0
>
> Attachments: AMBARI-23700.patch
>
>
> A good example is when we start up a specific Namenode, say NN1. In that case,
> we try to get the HAState of all the NNs (even NN3 and NN4) to find out the
> active namenode. This is not really needed since starting up NN1 should not
> care about NN3 and NN4's state.
> I see usages in following places.
> *
> ambari-common/src/main/python/resource_management/libraries/providers/hdfs_resource.py
> *
> ambari-server/src/main/resources/common-services/HDFS/2.1.0.2.0/package/scripts/namenode_ha_state.py
> *
> ambari-common/src/main/python/resource_management/libraries/functions/namenode_ha_utils.py
> Some of the above might not need any change.
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