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Re: GC Duration warnings on CDH 5.5.1 cluster

by Expert Contributor in Support Questions
‎05-02-2016 05:50 PM
‎05-02-2016 05:50 PM
Can you please be more specific to this, like how to find out the current setting for following:   -Xms512m -Xmx1024m -XX:PermSize=216m -XX:MaxPermSize=512m ... View more

Re: GC Duration warnings on CDH 5.5.1 cluster

by Expert Contributor in Support Questions
‎05-02-2016 04:41 PM
‎05-02-2016 04:41 PM
Java version we are using is "1.8.0_51".   What property do we need to reset for increasing heap size.   Is it    Client Java Heap Size    Gateway Default Group  -------------> 825955249 B = 787.69 MiB   If yes, by how much should we increase the size,   Its a 13 Node cluster   ... View more

Re: GC Duration warnings on CDH 5.5.1 cluster

by Expert Contributor in Support Questions
‎05-02-2016 03:19 PM
‎05-02-2016 03:19 PM
I/O Sort Factor mapreduce.task.io.sort.factor    ------> 64   Client Java Configuration Options -------- > -Djava.net.preferIPv4Stack=true   Java Configuration Options for JobHistory Server ------> -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:CMSInitiatingOccupancyFraction=70 -XX:+CMSParallelRemarkEnabled   Java Configuration Options for NodeManager ------>  -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:CMSInitiatingOccupancyFraction=70 -XX:+CMSParallelRemarkEnabled   Java Configuration Options for ResourceManager -----> -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:CMSInitiatingOccupancyFraction=70 -XX:+CMSParallelRemarkEnabled   Garbage Collection Duration Thresholds--------->  Warning: 30.0 Critical: 60.0 Garbage Collection Duration Monitoring Period ------ > 5 minute(s) ... View more

Re: GC Duration warnings on CDH 5.5.1 cluster

by Expert Contributor in Support Questions
‎05-02-2016 02:42 PM
‎05-02-2016 02:42 PM
Following is the default configuration for garbage collection:   ... View more

Re: GC Duration warnings on CDH 5.5.1 cluster

by Expert Contributor in Support Questions
‎05-02-2016 02:28 PM
‎05-02-2016 02:28 PM
... View more

Re: GC Duration warnings on CDH 5.5.1 cluster

by Expert Contributor in Support Questions
‎05-02-2016 02:26 PM
‎05-02-2016 02:26 PM
Node Manager ... View more

GC Duration warnings on CDH 5.5.1 cluster

by Expert Contributor in Support Questions
‎05-02-2016 11:51 AM
‎05-02-2016 11:51 AM
Hi,   We recently started getting the GC warnings on our Yarn and all nodes of Production cluster frequently, so want to avoid this warnings. Please someone can help us to resolve this issue as soon as possible.   Following is the warning:   Test of whether this role spends too much time in garbage collection. Concerning Average time spent in garbage collection was 19.8 second(s) (32.97%) per minute over the previous 5 minute(s). Warning threshold: 30.00%. ... View more

Re: OOzie email action throwing NullPointerExcepti...

by Expert Contributor in Support Questions
‎02-08-2016 05:07 PM
‎02-08-2016 05:07 PM
Hi,   can we enable the  oozie.email.smtp.auth from cloudera manager UI ? ... View more

OOzie email action throwing NullPointerException:n...

by Expert Contributor in Support Questions
‎01-24-2016 07:11 PM
‎01-24-2016 07:11 PM
Hi,   After upgrading to CDH 5.5.1 from CDH 5.4.2 we started getting many errors in our oozie workflows which used to work smoothly. One of the errors are related to email action which started throwing nullpointerexception. I am not finding much INFO to share as logs only seen is NullPointerException:null as error. Pasting below our oozie email action:   <action name="killEmail"> <email xmlns="uri:oozie:email-action:0.1"> <to>${emailRecipients}</to> <subject>Oozie Workflow Run Error On abc-hist Workflow</subject> <body>Oozie workflow id: ${wf:id()}, run failed.Error Message: [ ${wf:errorMessage(wf:lastErrorNode())} ] </body> </email> <ok to="kill"/> <error to="kill"/> </action>     Can you please help us out !!!!   Thanks ... View more
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Re: IllegalArgumentException java.net.URISyntaxExc...

by Expert Contributor in Support Questions
‎01-24-2016 06:32 PM
‎01-24-2016 06:32 PM
Hi harsh, The issue related to hive action works when single workflow is running, but when we try to run multiple workflows at same time it shows error with following INFO: 2016-01-25 02:13:20,396 INFO [Thread-68] org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator: Final Stats: PendingReds:0 ScheduledMaps:0 ScheduledReds:0 AssignedMaps:1 AssignedReds:0 CompletedMaps:1 CompletedReds:0 ContAlloc:1 ContRel:0 HostLocal:0 RackLocal:0 2016-01-25 02:13:20,400 INFO [Thread-68] org.apache.hadoop.mapreduce.v2.app.MRAppMaster: Deleting staging directory hdfs://xxxx:8020 /user/cdhadmin/.staging/job_1453585092595_0349 2016-01-25 02:13:20,403 INFO [Thread-68] org.apache.hadoop.ipc.Server: Stopping server on 59772 2016-01-25 02:13:20,404 INFO [IPC Server listener on 59772] org.apache.hadoop.ipc.Server: Stopping IPC Server listener on 59772 2016-01-25 02:13:20,404 INFO [TaskHeartbeatHandler PingChecker] org.apache.hadoop.mapreduce.v2.app.TaskHeartbeatHandler: TaskHeartbeatHandler thread interrupted 2016-01-25 02:13:20,405 INFO [Ping Checker] org.apache.hadoop.yarn.util.AbstractLivelinessMonitor: TaskAttemptFinishingMonitor thread interrupted 2016-01-25 02:13:20,404 INFO [IPC Server Responder] org.apache.hadoop.ipc.Server: Stopping IPC Server Responder ... View more
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