Kai Zheng created HDFS-8201:
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             Summary: Add an end to end test for stripping file writing and 
reading
                 Key: HDFS-8201
                 URL: https://issues.apache.org/jira/browse/HDFS-8201
             Project: Hadoop HDFS
          Issue Type: Sub-task
            Reporter: Kai Zheng
            Assignee: Xinwei Qin 


According to off-line discussion with [~zhz] and [~xinwei], we need to 
implement an end to end test for stripping file support:
* Create an EC zone;
* Create a file in the zone;
* Write various typical sizes of content to the file, each size maybe a test 
method;
* Read the written content back;
* Compare the written content and read content to ensure it's good;

The test facility is subject to add more steps for erasure encoding and 
recovering. Will open separate issue for it.



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