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Posted to issues@ambari.apache.org by "Aravindan Vijayan (JIRA)" <ji...@apache.org> on 2016/10/03 21:14:20 UTC

[jira] [Updated] (AMBARI-18518) Sinks should not try to read collector hosts from Zk if AMS is in embedded mode

     [ https://issues.apache.org/jira/browse/AMBARI-18518?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aravindan Vijayan updated AMBARI-18518:
---------------------------------------
    Description: 
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}

  was:
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
{code}


> 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: 3.0.0
>            Reporter: Aravindan Vijayan
>            Assignee: Aravindan Vijayan
>            Priority: Critical
>             Fix For: 3.0.0
>
>
> 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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