I have a shell script in HDFS. I have scheduled this script in oozie with the following workflow.
Workflow:
<workflow-app name="Shell_test" xmlns="uri:oozie:workflow:0.5">
<start to="shell-8f63"/>
<kill name="Kill">
<message>Action failed, error message[${wf:errorMessage(wf:lastErrorNode())}]</message>
</kill>
<action name="shell-8f63">
<shell xmlns="uri:oozie:shell-action:0.1">
<job-tracker>${jobTracker}</job-tracker>
<name-node>${nameNode}</name-node>
<exec>shell.sh</exec>
<argument>${input_file}</argument>
<env-var>HADOOP_USER_NAME=${wf:user()}</env-var>
<file>/user/xxxx/shell_script/lib/shell.sh#shell.sh</file>
<file>/user/xxxx/args/${input_file}#${input_file}</file>
</shell>
<ok to="End"/>
<error to="Kill"/>
</action>
<end name="End"/>
</workflow-app>job properties
nameNode=xxxxxxxxxxxxxxxxxxxx
jobTracker=xxxxxxxxxxxxxxxxxxxxxxxx
queueName=default
oozie.use.system.libpath=true
oozie.wf.application.path=${nameNode}/user/${user.name}/xxxxxxx/xxxxxx
args file
tableA
tableB
tablec
tableD
Now the shell script runs for single table in args file. This workflow is executed successfully without any errors.
How can I schedule this shell script to run in parallel. I want the script to run for 10 table at the same time.
What are the steps needed to do so. What changes should I make to the workflow.
Should I created 10 workflow for running 10 parallel jobs. Or what are the best scenarios to deal with this issue.
