Vinoth Chandar created HUDI-323:
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             Summary: Docker demo/integ-test stdout/stderr output only 
available on process exit
                 Key: HUDI-323
                 URL: https://issues.apache.org/jira/browse/HUDI-323
             Project: Apache Hudi (incubating)
          Issue Type: Test
          Components: newbie
            Reporter: Vinoth Chandar


This is problematic, if the command hangs for e.g, we don't get any logs to 
indicate where its hanging at.. Better approach is to use something like 
Piped{Input|Oupput}Stream to implement a thread that can keep printing stdout 
and stderr as the command runs..  


Relevant classes : ITTestHoodieDemo/ ITTTestBase 



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