Hi Siddhi,
Moving this question to the CDH list.
Does setting yarn.scheduler.capacity.maximum-am-resource-percent to .5 help?
Have you tried using the Fair Scheduler?
-Sandy
On Fri, Jun 21, 2013 at 4:21 PM, Siddhi Mehta <smehtau...@gmail.com> wrote:
> Hey All,
>
> I am running a Hadoop 2.0(cdh4.2.1) cluster on a single node with 1
> NodeManager.
>
> We have an Map only job that launches a pig job on the cluster(similar to
> what oozie does)
>
> We are seeing that the map only job launches the pig script but the pig
> job is stuck in ACCEPTED state with no trackingUI assigned.
>
> I dont see any error in the nodemanager logs or the resource manager logs
> as such.
>
>
> On the nodemanager i see this logs
> 2013-06-21 15:05:13,084 INFO capacity.ParentQueue - assignedContainer
> queue=root usedCapacity=0.4 absoluteUsedCapacity=0.4 used=memory: 2048
> cluster=memory: 5120
>
> 2013-06-21 15:05:38,898 INFO capacity.CapacityScheduler - Application
> Submission: appattempt_1371850881510_0003_000001, user: smehta queue:
> default: capacity=1.0, absoluteCapacity=1.0, usedResources=2048MB,
> usedCapacity=0.4, absoluteUsedCapacity=0.4, numApps=2, numContainers=2,
> currently active: 2
>
> Which suggests that the cluster has capacity but still no application
> master is assigned to it.
> What am I missing?Any help is appreciated.
>
> I keep seeing this logs on the node manager
> 2013-06-21 16:19:37,675 INFO monitor.ContainersMonitorImpl - Memory usage
> of ProcessTree 12484 for container-id
> container_1371850881510_0002_01_000002: 157.1mb of 1.0gb physical memory
> used; 590.1mb of 2.1gb virtual memory used
> 2013-06-21 16:19:37,696 INFO monitor.ContainersMonitorImpl - Memory usage
> of ProcessTree 12009 for container-id
> container_1371850881510_0002_01_000001: 181.0mb of 1.0gb physical memory
> used; 1.4gb of 2.1gb virtual memory used
> 2013-06-21 16:19:37,946 INFO nodemanager.NodeStatusUpdaterImpl - Sending
> out status for container: container_id {, app_attempt_id {, application_id
> {, id: 2, cluster_timestamp: 1371850881510, }, attemptId: 1, }, id: 1, },
> state: C_RUNNING, diagnostics: "", exit_status: -1000,
> 2013-06-21 16:19:37,946 INFO nodemanager.NodeStatusUpdaterImpl - Sending
> out status for container: container_id {, app_attempt_id {, application_id
> {, id: 2, cluster_timestamp: 1371850881510, }, attemptId: 1, }, id: 2, },
> state: C_RUNNING, diagnostics: "", exit_status: -1000,
> 2013-06-21 16:19:38,948 INFO nodemanager.NodeStatusUpdaterImpl - Sending
> out status for container: container_id {, app_attempt_id {, application_id
> {, id: 2, cluster_timestamp: 1371850881510, }, attemptId: 1, }, id: 1, },
> state: C_RUNNING, diagnostics: "", exit_status: -1000,
> 2013-06-21 16:19:38,948 INFO nodemanager.NodeStatusUpdaterImpl - Sending
> out status for container: container_id {, app_attempt_id {, application_id
> {, id: 2, cluster_timestamp: 1371850881510, }, attemptId: 1, }, id: 2, },
> state: C_RUNNING, diagnostics: "", exit_status: -1000,
> 2013-06-21 16:19:39,950 INFO nodemanager.NodeStatusUpdaterImpl - Sending
> out status for container: container_id {, app_attempt_id {, application_id
> {, id: 2, cluster_timestamp: 1371850881510, }, attemptId: 1, }, id: 1, },
> state: C_RUNNING, diagnostics: "", exit_status: -1000,
> 2013-06-21 16:19:39,950 INFO nodemanager.NodeStatusUpdaterImpl - Sending
> out status for container: container_id {, app_attempt_id {, application_id
> {, id: 2, cluster_timestamp: 1371850881510, }, attemptId: 1, }, id: 2, },
> state: C_RUNNING, diagnostics: "", exit_status: -1000,
>
> Here are my memory configurations
>
> <property>
> <name>yarn.nodemanager.resource.memory-mb</name>
> <value>5120</value>
> <source>yarn-site.xml</source>
> </property>
>
> property>
> <name>mapreduce.map.memory.mb</name>
> <value>512</value>
> <source>mapred-site.xml</source>
> </property>
>
> <property>
> <name>mapreduce.reduce.memory.mb</name>
> <value>512</value>
> <source>mapred-site.xml</source>
> </property>
>
> <property>
> <name>mapred.child.java.opts</name>
> <value>
> -Xmx512m -Djava.net.preferIPv4Stack=true -XX:+UseCompressedOops
> -XX:+HeapDumpOnOutOfMemoryError
> -XX:HeapDumpPath=/home/sfdc/logs/hadoop/userlogs/@taskid@/
> </value>
> <source>mapred-site.xml</source>
> </property>
>
> <property>
> <name>yarn.app.mapreduce.am.resource.mb</name>
> <value>1024</value>
> <source>mapred-site.xml</source>
> </property>
>
> Regards,
> Siddhi
>
