Pig leaves HOD processes behind if Ctrl-C is used before HOD connection is
fully established
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Key: PIG-411
URL: https://issues.apache.org/jira/browse/PIG-411
Project: Pig
Issue Type: Bug
Reporter: Olga Natkovich
The code in doHod in backend/hadoop/executionengine/HExecutionEngine.java waits
for hod connection to be fully established before setting a flag that indicates
need to discunnect. The flag should be set as soon as HOD process is created so
that we destroy it.
This change will not guarantee that process is not left behind but would make
it much less likely
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