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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