[ https://issues.apache.org/jira/browse/HADOOP-7788?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Todd Lipcon moved HDFS-2524 to HADOOP-7788:
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Component/s: (was: ha)
ha
Target Version/s: HA Branch (HDFS-1623) (was: HA branch (HDFS-1623))
Affects Version/s: (was: HA branch (HDFS-1623))
Key: HADOOP-7788 (was: HDFS-2524)
Project: Hadoop Common (was: Hadoop HDFS)
> 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: Improvement
> Components: ha
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Attachments: 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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