Balazs Jeszenszky created IMPALA-8985:
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Summary: Error in profile accounting of bytes read
Key: IMPALA-8985
URL: https://issues.apache.org/jira/browse/IMPALA-8985
Project: IMPALA
Issue Type: Bug
Components: Backend
Affects Versions: Impala 3.3.0
Reporter: Balazs Jeszenszky
I've seen this a few times by now:
{code}
- BytesRead: 571.14 MB (598886266)
- BytesReadDataNodeCache: 0
- BytesReadLocal: 1.12 GB (1197772532)
- BytesReadRemoteUnexpected: 0
- BytesReadShortCircuit: 1.12 GB (1197772532)
{code}
Haven't tried reproducing it on purpose, just keeps popping up. Counters like
this will get more important in cloud-backed clusters since we'll have a
mismatch between our charts and what the user ends up paying for S3-based reads.
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