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https://issues.apache.org/jira/browse/DRILL-256?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13805800#comment-13805800
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Ben Becker commented on DRILL-256:
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Mehant,
Would it be possible to log some output while the diagnostic operator is
running?
Some info I think would be useful to report on each iteration:
- IterOutcome of upstream batch
- Number of records
- ValueVector types
My thinking is that this will help diagnose issues which would otherwise be
masked by the tool. Thoughts?
> Implement Diagnostic Operator
> -----------------------------
>
> Key: DRILL-256
> URL: https://issues.apache.org/jira/browse/DRILL-256
> Project: Apache Drill
> Issue Type: New Feature
> Reporter: Jacques Nadeau
> Assignee: Mehant Baid
> Attachments: Revision_1-DRILL-256.patch
>
>
> Support inserting a diagnostic physical operator into a physical plan that
> records the record batches output of a preceding operator. Additionally,
> provide a tool to view this data.
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