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From Aravindan Vijayan <>
Subject Re: How to get active metric collector hostname in alert script?
Date Thu, 12 Jul 2018 17:45:21 GMT
Hi Saloni,

When you have multiple metrics collectors all of them are active. Any one of them can be used.

FYI, there are 3 lookup options for the list of collectors.

  *   Ambari Cluster Host info.
  *   Zookeeper znode path (/ambari-metrics-cluster/LIVEINSTANCES)
  *   Response to http://<ANY_COLLECTOR_HOST>:6188/ws/v1/timeline/metrics/livenodes


Thanks and Regards,

Aravindan Vijayan

On 7/12/18, 8:26 AM, "saloni udani" <> wrote:

    We have developed a custom script based alert for our ambari service which

    triggers alert based on some ambari metric value. For fetching this metric

    value, the metric collector hostname and port is required. It seems that

    clusterHostInfo configuration is not available in alert script, so we

    referred to timeline.metrics.service.webapp.address. Everthing works as

    expected. But now the issue arises when we configure metric service in HA

    mode. For metric service to work in HA mode

    timeline.metrics.service.webapp.address cannot be changed to hostname as we

    previously did.

    So from where can we get active metric collector hostname?

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