Colin Patrick McCabe created HDFS-4698:
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Summary: provide client-side metrics for remote reads, local
reads, and short-circuit reads
Key: HDFS-4698
URL: https://issues.apache.org/jira/browse/HDFS-4698
Project: Hadoop HDFS
Issue Type: Improvement
Components: hdfs-client
Affects Versions: 2.0.3-alpha
Reporter: Colin Patrick McCabe
Assignee: Colin Patrick McCabe
Priority: Minor
We should provide metrics to let clients know how many bytes of data they have
read remotely, versus locally or via short-circuit local reads. This will
allow clients to know how well they're doing at bringing the computation to the
data, which will be useful in evaluating placement policies and cluster
configurations.
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