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From "Devaraj K (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-3375) NodeHealthScriptRunner.shouldRun() check is performing 3 times for starting NodeHealthScriptRunner
Date Thu, 19 Mar 2015 09:04:38 GMT
Devaraj K created YARN-3375:
-------------------------------

             Summary: NodeHealthScriptRunner.shouldRun() check is performing 3 times for starting
NodeHealthScriptRunner
                 Key: YARN-3375
                 URL: https://issues.apache.org/jira/browse/YARN-3375
             Project: Hadoop YARN
          Issue Type: Bug
          Components: nodemanager
            Reporter: Devaraj K
            Assignee: Devaraj K


1. NodeHealthScriptRunner.shouldRun() check is happening 3 times for starting the NodeHealthScriptRunner.

{code:title=NodeManager.java|borderStyle=solid}
    if(!NodeHealthScriptRunner.shouldRun(nodeHealthScript)) {
      LOG.info("Abey khali");
      return null;
    }
{code}

{code:title=NodeHealthCheckerService.java|borderStyle=solid}
    if (NodeHealthScriptRunner.shouldRun(
        conf.get(YarnConfiguration.NM_HEALTH_CHECK_SCRIPT_PATH))) {
      addService(nodeHealthScriptRunner);
    }
{code}

{code:title=NodeHealthScriptRunner.java|borderStyle=solid}
    if (!shouldRun(nodeHealthScript)) {
      LOG.info("Not starting node health monitor");
      return;
    }
{code}


2. If we don't configure node health script or configured health script doesn't execute permission,
NM logs with the below message.

{code:xml}
2015-03-19 19:55:45,713 INFO org.apache.hadoop.yarn.server.nodemanager.NodeManager: Abey khali
{code}



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