aajisaka commented on a change in pull request #3198:
URL: https://github.com/apache/hadoop/pull/3198#discussion_r671403449
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File path:
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/metrics/RpcMetrics.java
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@@ -49,7 +51,7 @@
final String name;
final boolean rpcQuantileEnable;
/** The time unit used when storing/accessing time durations. */
- public final static TimeUnit TIMEUNIT = TimeUnit.MILLISECONDS;
+ private static TimeUnit metricsTimeUnit = TimeUnit.MILLISECONDS;
Review comment:
Is the time unit must be static? There are a few RPC servers in a JVM in
most cases, so the performance impact seems low.
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