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Posted to dev@ambari.apache.org by "Xi Wang (JIRA)" <ji...@apache.org> on 2013/09/10 05:17:52 UTC
[jira] [Updated] (AMBARI-3152) When NameNode HA is enabled and one
NameNode is down, a subset of HDFS metrics do not appear
[ https://issues.apache.org/jira/browse/AMBARI-3152?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Xi Wang updated AMBARI-3152:
----------------------------
Description:
HDFS metrics always got from host_components[0] because before HA enabled, there is only one NameNode.
After HA enabled, host_components will be an array of two objects(two NNs).
So, We should always get metrics from the active NameNode.
was:
HDFS metrics always got from host_components[0] because before HA enabled, there is only one NameNode.
But, We should always get metrics from the active NameNode.
> When NameNode HA is enabled and one NameNode is down, a subset of HDFS metrics do not appear
> --------------------------------------------------------------------------------------------
>
> Key: AMBARI-3152
> URL: https://issues.apache.org/jira/browse/AMBARI-3152
> Project: Ambari
> Issue Type: Bug
> Components: client
> Affects Versions: 1.4.1
> Reporter: Xi Wang
> Assignee: Xi Wang
> Fix For: 1.4.1
>
>
> HDFS metrics always got from host_components[0] because before HA enabled, there is only one NameNode.
> After HA enabled, host_components will be an array of two objects(two NNs).
> So, We should always get metrics from the active NameNode.
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