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https://issues.apache.org/jira/browse/HBASE-3119?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Purtell updated HBASE-3119:
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Assignee: (was: Andrew Purtell)
> [rest] publish endpoint and statistics into ZooKeeper
> -----------------------------------------------------
>
> Key: HBASE-3119
> URL: https://issues.apache.org/jira/browse/HBASE-3119
> Project: HBase
> Issue Type: Improvement
> Components: REST
> Reporter: Andrew Purtell
> Priority: Minor
> Attachments: HBASE-3119.patch
>
>
> This change allows the REST interface to publish its endpoint and metrics,
> currently only requests/sec, into ZooKeeper. By default a permanent znode
> tree is created as needed at {{/hbase/rest/status}} and Stargate instances
> create ephemeral children of this with names in the format {{<host>:<port>}}.
> The ephemeral znodes contain JSON serialized information about the instance,
> e.g.
>
> {{{"connector":{"host":"restserver.example.com","port":"8080"},"statistics":{"requests":"13"}}}}
> The function of Stargate itself is not affected, except for one significant
> change: now if the ZooKeeper service is lost, the Stargate instances will
> abort along with the rest of HBase.
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