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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