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Posted to hdfs-dev@hadoop.apache.org by "David Mollitor (Jira)" <ji...@apache.org> on 2020/06/05 14:21:00 UTC

[jira] [Created] (HDFS-15393) Review of PendingReconstructionBlocks

David Mollitor created HDFS-15393:
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             Summary: Review of PendingReconstructionBlocks
                 Key: HDFS-15393
                 URL: https://issues.apache.org/jira/browse/HDFS-15393
             Project: Hadoop HDFS
          Issue Type: Improvement
            Reporter: David Mollitor
            Assignee: David Mollitor


I started looking at this class based on [HDFS-15351].

* Uses {{java.sql.Time}} unnecessarily.  Confusing since Java ships with time formatters out of the box in JDK 8.  I believe this will cause issues later when trying to upgrade to JDK 9+ since SQL is a different module in Java.
* Remove code where appropriate
* Use Java Concurrent library for higher concurrent access to underlying map



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