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https://issues.apache.org/jira/browse/CHUKWA-737?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14330439#comment-14330439
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Eric Yang commented on CHUKWA-737:
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TestHeartbeatAdaptor is registering adaptor for test, but it does not clean up
registered adaptor after the test. This causes TestAdaptorController to fail
because the number of expected adaptor registered is 1 instead of 2.
> Add heartbeat adaptor to push chukwa agent status to remote http server
> ------------------------------------------------------------------------
>
> Key: CHUKWA-737
> URL: https://issues.apache.org/jira/browse/CHUKWA-737
> Project: Chukwa
> Issue Type: Improvement
> Components: Data Collection
> Affects Versions: 0.7.0
> Reporter: shreyas subramanya
> Assignee: shreyas subramanya
> Attachments: CHUKWA-737.patch, CHUKWA-737.patch2
>
>
> Provide a generic HeartbeatAdaptor which can periodically send status reports
> to a remote http server. The adaptor can be configured with arbitrary number
> of component status checkers and it will send out a single status report for
> all components.
> Example - to send out the status of chukwa agent as well as a rest interface
> (in this case chukwa agent rest), we add the following adaptor:
> add HeartbeatAdaptor DefaultProcessor (ChukwaStatusChecker, HttpStatusChecker
> Chukwa.rest.server http://localhost:9090/rest/v1/adaptor) 3 0
> This will send out status reports such as -
> {"time":1424213867980,"components":[{"host":"host.example.com","component":"Chukwa.Agent","adaptor.count":1},{"status":"running","component":"Chukwa.rest.server","uri":"http:\/\/localhost:9090\/rest\/v1"}]}
> Additional configuration needed in chukwa-agent-conf.xml
> chukwa.http.writer.host
> chukwa.http.writer.port
> if PipelineConnector is used, add
> org.apache.hadoop.chukwa.datacollection.writer.HttpWriter to head of pipeline
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