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https://issues.apache.org/jira/browse/HDDS-7613?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18032800#comment-18032800
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Michael Smith commented on HDDS-7613:
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I understand. We'd like some way to get similar statistics from Ozone. If you
have an API, please point me to the documentation.
> Provide method to get read metrics via hdfsFileGetReadStatistics
> ----------------------------------------------------------------
>
> Key: HDDS-7613
> URL: https://issues.apache.org/jira/browse/HDDS-7613
> Project: Apache Ozone
> Issue Type: Improvement
> Reporter: Michael Smith
> Priority: Major
> Labels: non_1.4.0_blocker
>
> Impala collects metrics on "local bytes read" and "erasure-coded bytes read"
> using hdfsFileGetReadStatistics (see
> https://github.com/apache/impala/blob/4.2.0/be/src/runtime/io/hdfs-file-reader.cc#L398-L424).
> Attempting to call hdfsFileGetReadStatistics with an Ozone filesystem
> crashes, probably because the Ozone filesystem doesn't implement
> getReadStatistics (for
> https://github.com/apache/hadoop/blob/trunk/hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfs/hdfs.c#L198).
> It would be helpful to have some way to get client read statistics like this.
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