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https://issues.apache.org/jira/browse/HADOOP-7788?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Todd Lipcon updated HADOOP-7788:
--------------------------------
Status: Patch Available (was: Open)
> HA: Simple HealthMonitor class to watch an HAService
> ----------------------------------------------------
>
> Key: HADOOP-7788
> URL: https://issues.apache.org/jira/browse/HADOOP-7788
> Project: Hadoop Common
> Issue Type: New Feature
> Components: ha
> Affects Versions: 0.24.0
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Attachments: hadoop-7788.txt, hdfs-2524.txt
>
>
> This is a utility class which will be part of the FailoverController. The
> class starts a daemon thread which periodically monitors an HAService,
> calling its monitorHealth function. It then generates callbacks into another
> class when the health status changes (eg the RPC fails or the service returns
> a HealthCheckFailedException)
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