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https://issues.apache.org/jira/browse/AMBARI-19032?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15715552#comment-15715552
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Aravindan Vijayan commented on AMBARI-19032:
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+1 for additional patch.
> HDFS Metric alerts turns to UNKNOWN state with error "'NoneType' object has
> no attribute 'split'"
> -------------------------------------------------------------------------------------------------
>
> Key: AMBARI-19032
> URL: https://issues.apache.org/jira/browse/AMBARI-19032
> Project: Ambari
> Issue Type: Bug
> Components: alerts, ambari-metrics
> Affects Versions: 2.5.0
> Reporter: Dmytro Sen
> Assignee: Dmytro Sen
> Priority: Blocker
> Fix For: 2.5.0
>
> Attachments: AMBARI-19032_1.patch, AMBARI-19032_2.patch,
> AMBARI-19032_branch2.5_additional.patch
>
>
> HDFS Metric alerts turns to UNKNOWN state with error "'NoneType' object has
> no attribute 'split'".
> STR:
> Update the alert definition interval to 1 min, and thresholds to have minimum
> values to trigger the Alert.
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