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https://issues.apache.org/jira/browse/HDFS-16917?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17689408#comment-17689408
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ASF GitHub Bot commented on HDFS-16917:
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xinglin commented on code in PR #5397:
URL: https://github.com/apache/hadoop/pull/5397#discussion_r1107877375
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hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/metrics/DataNodeMetrics.java:
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@@ -61,6 +61,8 @@ public class DataNodeMetrics {
@Metric MutableCounterLong bytesRead;
@Metric("Milliseconds spent reading")
MutableCounterLong totalReadTime;
+ @Metric MutableRate bytesReadTransferRate;
Review Comment:
nit: rename to readTransferRateMBs?
> Add transfer rate quantile metrics for DataNode reads
> -----------------------------------------------------
>
> Key: HDFS-16917
> URL: https://issues.apache.org/jira/browse/HDFS-16917
> Project: Hadoop HDFS
> Issue Type: Task
> Components: datanode
> Reporter: Ravindra Dingankar
> Priority: Minor
> Labels: pull-request-available
>
> Currently we have the following metrics for datanode reads.
> |BytesRead
> BlocksRead
> TotalReadTime|Total number of bytes read from DataNode
> Total number of blocks read from DataNode
> Total number of milliseconds spent on read operation|
> We would like to add a new quantile metric calculating the distribution of
> data transfer rate for datanode reads.
>
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