[
https://issues.apache.org/jira/browse/HADOOP-16290?focusedWorklogId=623435&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-623435
]
ASF GitHub Bot logged work on HADOOP-16290:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 16/Jul/21 06:18
Start Date: 16/Jul/21 06:18
Worklog Time Spent: 10m
Work Description: virajjasani commented on a change in pull request #3198:
URL: https://github.com/apache/hadoop/pull/3198#discussion_r670991285
##########
File path:
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/metrics/RpcMetrics.java
##########
@@ -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:
The problem is we are reassigning it at L113 so it could not be made
final
```
if (StringUtils.isNotEmpty(timeunit)) {
try {
metricsTimeUnit = TimeUnit.valueOf(timeunit);
} catch (IllegalArgumentException e) {
LOG.info("Config key {} 's value {} does not correspond to enum
values"
+ " of java.util.concurrent.TimeUnit. Hence default unit"
+ " MILLISECONDS will be used",
CommonConfigurationKeys.RPC_METRICS_TIME_UNIT, timeunit);
}
}
```
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Issue Time Tracking
-------------------
Worklog Id: (was: 623435)
Time Spent: 2h 20m (was: 2h 10m)
> Enable RpcMetrics units to be configurable
> ------------------------------------------
>
> Key: HADOOP-16290
> URL: https://issues.apache.org/jira/browse/HADOOP-16290
> Project: Hadoop Common
> Issue Type: Improvement
> Components: ipc, metrics
> Reporter: Erik Krogen
> Assignee: Viraj Jasani
> Priority: Major
> Labels: pull-request-available
> Time Spent: 2h 20m
> Remaining Estimate: 0h
>
> One resulting discussion from HADOOP-16266 was that it would be better for
> the RPC metrics (processing time, queue time) to be in micro- or nanoseconds,
> since milliseconds does not accurately capture the processing time of many
> RPC operations. HADOOP-16266 made some small changes in this direction, but
> to keep the size of the patch down, we did not make it fully configurable. We
> can complete that work here.
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