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From "Dmytro Sen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-15508) Enable HDFS alerts with multiple namservices
Date Thu, 14 Apr 2016 12:54:25 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-15508?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15241078#comment-15241078
] 

Dmytro Sen commented on AMBARI-15508:
-------------------------------------

[~hkropp],  

Thanks for contributing, the patch doesn't handle case with no dfs.nameservices in hdfs-site,
also please add unit tests

> Enable HDFS alerts with multiple namservices
> --------------------------------------------
>
>                 Key: AMBARI-15508
>                 URL: https://issues.apache.org/jira/browse/AMBARI-15508
>             Project: Ambari
>          Issue Type: Bug
>    Affects Versions: trunk
>            Reporter: Henning Kropp
>            Assignee: Henning Kropp
>             Fix For: 2.4.0
>
>         Attachments: AMBARI-15508
>
>
> If dfs.namenode.http(s)-address is removed due to HA and multiple nameservices are configured
NN web alerting reports NN site down.
> Reason seems to be the following alerting configuration:
> {code}
> "high_availability": {
>               "nameservice": "{{hdfs-site/dfs.nameservices}}",
>               "alias_key" : "{{hdfs-site/dfs.ha.namenodes.{{ha-nameservice}}}}",
>               "http_pattern" : "{{hdfs-site/dfs.namenode.http-address.{{ha-nameservice}}.{{alias}}}}",
>               "https_pattern" : "{{hdfs-site/dfs.namenode.https-address.{{ha-nameservice}}.{{alias}}}}"
>             }
> {code}



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