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Posted to hdfs-dev@hadoop.apache.org by "Yiqun Lin (JIRA)" <ji...@apache.org> on 2016/06/23 07:03:16 UTC

[jira] [Created] (HDFS-10568) Reuse ObjectMapper instance in CombinedHostsFileReader and CombinedHostsFileWriter

Yiqun Lin created HDFS-10568:
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             Summary: Reuse ObjectMapper instance in CombinedHostsFileReader and CombinedHostsFileWriter
                 Key: HDFS-10568
                 URL: https://issues.apache.org/jira/browse/HDFS-10568
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: hdfs-client
            Reporter: Yiqun Lin
            Assignee: Yiqun Lin


The {{ObjectMapper}} instance is not reused in class {{CombinedHostsFileReader}} and {{CombinedHostsFileWriter}}. We can reuse them to improve performance.



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