Melissa You created HDFS-16971:
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Summary: Add read time metrics for remote reads in Statistics
Key: HDFS-16971
URL: https://issues.apache.org/jira/browse/HDFS-16971
Project: Hadoop HDFS
Issue Type: Improvement
Components: hdfs
Reporter: Melissa You
In Filesystem.java, currently it only collects bytes read not the corresponding
timing of reads.
In particular, we're interested in time spent on remote reads(not local reads).
Adding timing info will help us understand it better and further analyze how
locality of DN behaves.
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