Tsz-wo Sze created HDDS-12749:
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Summary: Use EnumCounters instead Map<Type, Integer> for command
counts
Key: HDDS-12749
URL: https://issues.apache.org/jira/browse/HDDS-12749
Project: Apache Ozone
Issue Type: Improvement
Components: Ozone Datanode
Reporter: Tsz-wo Sze
Assignee: Tsz-wo Sze
In DatanodeStateMachine, CommandDispatcher and StateContext, the return type of
getQueuedCommandCount() methods is Map<Type, Integer>. It is more efficient to
return EnumCounters.
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[https://github.com/apache/hadoop/blob/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/util/EnumCounters.java]
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