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Posted to issues-all@impala.apache.org by "Michael Smith (Jira)" <ji...@apache.org> on 2023/01/30 21:26:00 UTC

[jira] [Updated] (IMPALA-11698) Ozone local reads do not update local-bytes-read

     [ https://issues.apache.org/jira/browse/IMPALA-11698?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Smith updated IMPALA-11698:
-----------------------------------
    Summary: Ozone local reads do not update local-bytes-read  (was: Ozone local reads do not update local-bytes-read or erasure-coded-bytes-read metric)

> Ozone local reads do not update local-bytes-read
> ------------------------------------------------
>
>                 Key: IMPALA-11698
>                 URL: https://issues.apache.org/jira/browse/IMPALA-11698
>             Project: IMPALA
>          Issue Type: Bug
>          Components: Backend
>            Reporter: Michael Smith
>            Assignee: Michael Smith
>            Priority: Major
>              Labels: ozone
>
> https://github.com/apache/impala/blob/7a28295905e97e41503670bbdd92e64ea47f0078/be/src/runtime/io/hdfs-file-reader.cc#L394-L417 updates several metrics that were previously specific to HDFS. The local-bytes-read and erasure-coded-bytes-read metrics make sense for Ozone as Ozone datanodes can be co-located with Impala executors and support erasure coding. It's currently not updated for co-located Ozone reads or erasure-coded reads.
> I don't see any way to get these metrics from Ozone currently.



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