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Posted to dev@kylin.apache.org by "hujiahua (Jira)" <ji...@apache.org> on 2022/03/11 02:28:00 UTC

[jira] [Created] (KYLIN-5168) Add bytesRead metric to KylinFileSourceScanExec

hujiahua created KYLIN-5168:
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             Summary: Add bytesRead metric to KylinFileSourceScanExec
                 Key: KYLIN-5168
                 URL: https://issues.apache.org/jira/browse/KYLIN-5168
             Project: Kylin
          Issue Type: Improvement
          Components: Query Engine
    Affects Versions: v4.0.1
            Reporter: hujiahua


Currently Kylin FileSourceScanExec has no relevant metirc about how many bytes of data are actually read, as a result, the actual output of scanByte metric of kylin query is the total source file size scanned, rather than the actual read data size. So I think a metric like this should be added to KylinFileSourceScanExec.



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