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https://issues.apache.org/jira/browse/AMBARI-18518?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aravindan Vijayan updated AMBARI-18518:
---------------------------------------
Affects Version/s: (was: 3.0.0)
2.5.0
> Sinks should not try to read collector hosts from Zk if AMS is in embedded
> mode
> -------------------------------------------------------------------------------
>
> Key: AMBARI-18518
> URL: https://issues.apache.org/jira/browse/AMBARI-18518
> Project: Ambari
> Issue Type: Bug
> Components: ambari-metrics
> Affects Versions: 2.5.0
> Reporter: Aravindan Vijayan
> Assignee: Aravindan Vijayan
> Priority: Critical
> Fix For: 2.5.0
>
> Attachments: AMBARI-18518.patch
>
>
> Currently, an exception is constantly being thrown in sink logs.
> {code}
> 2016-10-03 21:01:06,537 WARN availability.MetricCollectorHAHelper
> (MetricCollectorHAHelper.java:findLiveCollectorHostsFromZNode(91)) - Unable
> to connect to z
> ookeeper.
> org.apache.hadoop.metrics2.sink.relocated.zookeeper.KeeperException$ConnectionLossException:
> KeeperErrorCode = ConnectionLoss for /ambari-metrics-cluster
> at
> org.apache.hadoop.metrics2.sink.relocated.zookeeper.KeeperException.create(KeeperException.java:99)
> at
> org.apache.hadoop.metrics2.sink.relocated.zookeeper.KeeperException.create(KeeperException.java:51)
> at
> org.apache.hadoop.metrics2.sink.relocated.zookeeper.ZooKeeper.exists(ZooKeeper.java:1045)
> at
> org.apache.hadoop.metrics2.sink.relocated.zookeeper.ZooKeeper.exists(ZooKeeper.java:1073)
> at
> org.apache.hadoop.metrics2.sink.timeline.availability.MetricCollectorHAHelper.findLiveCollectorHostsFromZNode(MetricCollectorHAHelper.java:78)
> at
> org.apache.hadoop.metrics2.sink.timeline.AbstractTimelineMetricsSink.findPreferredCollectHost(AbstractTimelineMetricsSink.java:344)
> at
> org.apache.hadoop.metrics2.sink.timeline.AbstractTimelineMetricsSink.emitMetrics(AbstractTimelineMetricsSink.java:216)
> at
> org.apache.hadoop.metrics2.sink.timeline.HadoopTimelineMetricsSink.putMetrics(HadoopTimelineMetricsSink.java:345)
> at
> org.apache.hadoop.metrics2.impl.MetricsSinkAdapter.consume(MetricsSinkAdapter.java:186)
> at
> org.apache.hadoop.metrics2.impl.MetricsSinkAdapter.consume(MetricsSinkAdapter.java:43)
> at
> org.apache.hadoop.metrics2.impl.SinkQueue.consumeAll(SinkQueue.java:87)
> at
> org.apache.hadoop.metrics2.impl.MetricsSinkAdapter.publishMetricsFromQueue(MetricsSinkAdapter.java:134)
> at
> org.apache.hadoop.metrics2.impl.MetricsSinkAdapter$1.run(MetricsSinkAdapter.java:88)
> {code}
> After the change
> {code}
> 2016-10-03 21:08:31,494 INFO availability.MetricCollectorHAHelper
> (MetricCollectorHAHelper.java:findLiveCollectorHostsFromZNode(80)) -
> /ambari-metrics-cluster znode does not exist. Skipping requesting live
> instances from zookeeper
> {code}
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