[jira] [Created] (HDFS-13847) Clean up ErasureCodingPolicyManager

["Xiao Chen (JIRA)" <ji...@apache.org>]

Xiao Chen created HDFS-13847:
--------------------------------

             Summary: Clean up ErasureCodingPolicyManager
                 Key: HDFS-13847
                 URL: https://issues.apache.org/jira/browse/HDFS-13847
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: erasure-coding
    Affects Versions: 3.0.0
            Reporter: Xiao Chen


{{ErasureCodingPolicyManager}} class is declared as LimitedPrivate for HDFS.

This doesn't seem to make sense, as I have checked all its usages are strictly within hadoop-hdfs project.
According to our [compat guide|http://hadoop.apache.org/docs/r3.1.0/hadoop-project-dist/hadoop-common/Compatibility.html]:
{quote}
Within a component Hadoop developers are free to use Private and Limited Private APIs,
{quote}

We should tune this down to just Private.

This is identified because an internal testing marked HDFS-13772 as incompatible, due to the method signature changes on the ECPM class.



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