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https://issues.apache.org/jira/browse/HDFS-4698?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Todd Lipcon updated HDFS-4698:
------------------------------
Resolution: Fixed
Fix Version/s: 2.0.5-beta
Hadoop Flags: Reviewed
Status: Resolved (was: Patch Available)
Backported to branch-2 as well. Resolving
> 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: 2.0.4-alpha
> Reporter: Colin Patrick McCabe
> Assignee: Colin Patrick McCabe
> Priority: Minor
> Fix For: 3.0.0, 2.0.5-beta
>
> Attachments: HDFS-4698.001.patch, HDFS-4698.002.patch,
> HDFS-4698.003.patch, HDFS-4698.004.patch, HDFS-4698.005.patch,
> HDFS-4698.006.patch, HDFS-4698.007.patch, HDFS-4698.008.patch
>
>
> 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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