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https://issues.apache.org/jira/browse/HADOOP-16552?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16926670#comment-16926670
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Steve Loughran commented on HADOOP-16552:
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That'll be the deprecated getStatistics call which is limited to a small number
of counters and is per thread; good for counting the IO of a single thread, but
not for the overall performance of a store. Have a look at {{StorageStatistics
getStorageStatistics()}}
> ABFS: Send ReadAhead feature utilization metrics to server
> ----------------------------------------------------------
>
> Key: HADOOP-16552
> URL: https://issues.apache.org/jira/browse/HADOOP-16552
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/azure
> Reporter: Sneha Vijayarajan
> Assignee: Sneha Vijayarajan
> Priority: Major
> Fix For: 3.3.0
>
>
> Currently it is not clear which workloads/file types get read performance
> boost with ReadAhead feature on client.
> To analyze this, feature metric needs to send back to ABFS server for
> analysis. Will use this Jira to track this change in ABFS driver.
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