Viraj Jasani created HDFS-16595:
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Summary: Slow peer metrics - add median, mad and upper latency
limits
Key: HDFS-16595
URL: https://issues.apache.org/jira/browse/HDFS-16595
Project: Hadoop HDFS
Issue Type: New Feature
Reporter: Viraj Jasani
Assignee: Viraj Jasani
Slow datanode metrics include slow node and it's reporting node details. With
HDFS-16582, we added the aggregate latency that is perceived by the reporting
nodes.
In order to get more insights into how the outlier slownode's latencies differ
from the rest of the nodes, we should also expose median, median absolute
deviation and the calculated upper latency limit details.
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