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https://issues.apache.org/jira/browse/HDFS-14406?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16815829#comment-16815829
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Xue Liu commented on HDFS-14406:
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Fixed some checkstyles. Some is left unfixed, such as:
{quote}./hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/metrics/RpcUserMetrics.java:41:
final MetricsRegistry registry;:25: Variable 'registry' must be private and
have accessor methods. [VisibilityModifier]
{quote}
to maintain consistency with other rpc metrics.
> Add per user RPC Processing time
> --------------------------------
>
> Key: HDFS-14406
> URL: https://issues.apache.org/jira/browse/HDFS-14406
> Project: Hadoop HDFS
> Issue Type: Improvement
> Affects Versions: 3.2.0
> Reporter: Xue Liu
> Assignee: Xue Liu
> Priority: Minor
> Fix For: 3.2.0
>
> Attachments: HDFS-14406.001.patch, HDFS-14406.002.patch,
> HDFS-14406.003.patch
>
>
> For a shared cluster we would want to separate users' resources, as well as
> having our metrics reflecting on the usage, latency, etc, for each user.
> This JIRA aims to add per user RPC processing time metrics and expose it via
> JMX.
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