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https://issues.apache.org/jira/browse/HADOOP-7455?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13063725#comment-13063725
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Suresh Srinivas commented on HADOOP-7455:
-----------------------------------------
Okay, thinking more about it, how about the following changes?
# Change monitor to checkHealth - throws HealthCheckException on failure -
returns void on success.
# Change promote to standbyToActive() - throws ServiceFailedException on
failure - returns void on success.
# Change demote to activeToStandby() - throws ServiceFailedException on failure
- returns void on success.
> Introduce HA Service Protocol Interface
> ---------------------------------------
>
> Key: HADOOP-7455
> URL: https://issues.apache.org/jira/browse/HADOOP-7455
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: util
> Reporter: Suresh Srinivas
> Assignee: Suresh Srinivas
> Attachments: HADOOP-7455.1.patch, HDFS-7454.patch
>
>
> This jira introduces a protocol interface to be implemented by services that
> provide HA functionality.
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