[jira] [Created] (NIFI-3731) Excessive Curator messages

["Mark Bean (JIRA)" <ji...@apache.org>]

Mark Bean created NIFI-3731:
-------------------------------

             Summary: Excessive Curator messages
                 Key: NIFI-3731
                 URL: https://issues.apache.org/jira/browse/NIFI-3731
             Project: Apache NiFi
          Issue Type: Bug
          Components: Core Framework
    Affects Versions: 1.1.1
            Reporter: Mark Bean
            Priority: Minor


Occasionally, while testing scenarios on a 3-Node cluster a Node will be removed from the cluster. Sometimes, the log files begin filling with an inordinate amount of repeated messages from the Curator. I'm still trying to track down what instigates this, but most likely it is when one of the 3 ZK servers becomes unavailable. Is there a way to suppress or reduce the frequency of the following messages? Currently, it is repeated more than once/millisecond.

2017-04-19 16:25:09,824 ERROR [Curator-Framework-0] o.a.c.f.imps.CuratorFrameworkImpl Background retry gave up
org.apache.curator.CuratorConnectionLossException: KeeperErrorCode = ConnectionLoss 
        at org.apache.curator.framework.imps.CuratorFrameworkImpl.performBackgroundOperation(CuratorFramworkImpl.java:838) [curator-framework-2.11.0.jar:na] 
		at org.apache.curator.framework.imps.CuratorFrameworkImpl.backgroundOperationsLoop(CuratorFrameworkImpl.java:809) [curator-framework-2.11.0.jar:na]
		at org.apache.curator.framework.imps.CuratorFrameworkImpl.access$300(CuratorFrameworkImpl.java:64) [curator-framework-2.11.0.jar:na]
		at org.apache.curator.framework.imps.CuratorFrameworkImpl.$4.call(CuratorFrameworkImpl.java:267) [curator-framework-2.11.0.jar:na]
		at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_121] 
		at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) [na:1.8.0_121]
		at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) [na:1.8.0_121]
		at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_121]
		at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_121]
		at java.lang.Thread.run(Thread.java:745) [na:1.8.0_121] 



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