pig script hang forever at heart beat - shell

Question

I had installed all components of cloudera 5 in one machine: name node, datanode, hue, pig, oozie , yarn, hbase ...
I run the following pig script in shell:
sudo -u hdfs pig
and then in the pig shell run
data = LOAD '/user/test/text.txt' as (text:CHARARRAY) ;
DUMP data;
script work well
But when run this script on hue browsers Query Editor/ Pig Editor it stuck and below is the log:
2015-09-14 14:07:06,847 [uber-SubtaskRunner] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - More information at: http://HadoopTestEnv:50030/jobdetails.jsp?jobid=job_1442214247855_0002
2015-09-14 14:07:06,884 [uber-SubtaskRunner] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - 0% complete
2015-09-14 14:07:07,512 [communication thread] INFO org.apache.hadoop.mapred.TaskAttemptListenerImpl - Progress of TaskAttempt attempt_1442214247855_0001_m_000000_0 is : 1.0
Heart beat
2015-09-14 14:07:37,545 [communication thread] INFO org.apache.hadoop.mapred.TaskAttemptListenerImpl - Progress of TaskAttempt attempt_1442214247855_0001_m_000000_0 is : 1.0
Heart beat
2015-09-14 14:08:07,571 [communication thread] INFO org.apache.hadoop.mapred.TaskAttemptListenerImpl - Progress of TaskAttempt attempt_1442214247855_0001_m_000000_0 is : 1.0
Heart beat
I have using the yarn-utils script to support me config the yarn-site.xml and marped-site.xml
python yarn-ulti.spy -c 6 -m 16 -d 1 -k True
Using cores=4 memory=16GB disks=1 hbase=True
Profile: cores=6 memory=12288MB reserved=4GB usableMem=12GB disks=1
Num Container=3
Container Ram=4096MB
Used Ram=12GB
Unused Ram=4GB
yarn.scheduler.minimum-allocation-mb=4096
yarn.scheduler.maximum-allocation-mb=12288
yarn.nodemanager.resource.memory-mb=12288
mapreduce.map.memory.mb=2048
mapreduce.map.java.opts=-Xmx1638m
mapreduce.reduce.memory.mb=4096
mapreduce.reduce.java.opts=-Xmx3276m
yarn.app.mapreduce.am.resource.mb=2048
yarn.app.mapreduce.am.command-opts=-Xmx1638m
mapreduce.task.io.sort.mb=819
Script still hang and heart beat forever , any one help me please !
Here is my config:
yarn-site.xml
<property>
<name>yarn.nodemanager.resource.memory-mb</name>
<value>12288</value>
</property>
<property>
<name>yarn.nodemanager.resource.cpu-vcores</name>
<value>6</value>
</property>
<property>
<name>yarn.scheduler.minimum-allocation-mb</name>
<value>4096</value>
</property>
<property>
<name>yarn.scheduler.maximum-allocation-mb</name>
<value>12288</value>
</property>
<property>
<name>yarn.app.mapreduce.am.resource.mb</name>
<value>2048</value>
</property>
<property>
<name>yarn.app.mapreduce.am.command-opts</name>
<value>-Xmx1638m</value>
</property>
Mapred-site.xml
<property>
<name>yarn.app.mapreduce.am.resource.mb</name>
<value>1024</value>
</property>
<property>
<name>yarn.app.mapreduce.am.command-opts</name>
<value>-Xmx768m</value>
</property>
<property>
<name>yarn.app.mapreduce.am.staging-dir</name>
<value>/user</value>
</property>
<property>
<name>mapreduce.map.java.opts</name>
<value>-Xmx1638m</value>
</property>
<property>
<name>mapreduce.reduce.java.opts</name>
<value>-Xmx3276m</value>
</property>
<property>
<name>mapreduce.map.memory.mb</name>
<value>2048</value>
</property>
<property>
<name>mapreduce.reduce.memory.mb</name>
<value>4096</value>
</property>
<property>
<name>mapreduce.task.io.sort.mb</name>
<value>819</value>
</property>
<property>
<name>mapreduce.map.cpu.vcores</name>
<value>2</value>
</property>
<property>
<name>mapreduce.reduce.cpu.vcores</name>
<value>2</value>
</property>

Answer 1

The Pig App submits an Oozie jobs that will use one MR slot in addition to what the script does.
The locking is usually due to submission deadlocks like gotcha #5 or having only one available task slot in your cluster.