Jiale Qi created TEZ-4457:
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Summary: tez.task.launch.cmd-opts default value is not really used
by default.
Key: TEZ-4457
URL: https://issues.apache.org/jira/browse/TEZ-4457
Project: Apache Tez
Issue Type: Bug
Reporter: Jiale Qi
In TezClientUtils#addDefaultsToTaskLaunchCmdOpts(), defaultTaskCmdOpts is set
to empty String when vOpts is not empty. Meanwhile vOpts is from
YARNRunner#createVertexForStage() taskJavaOpts, which is not empty by default.
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