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https://issues.apache.org/jira/browse/ARROW-15061?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17457279#comment-17457279
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David Li commented on ARROW-15061:
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[PR#11906|https://github.com/apache/arrow/pull/11906] does this for kernel
functions, but not for nodes, as a starter/something to build off of. It also
doesn't add a span for the entire exec plan (that may be more annoying to
#ifdef guard properly).
> [C++] Add logging for kernel functions and exec plan nodes
> ----------------------------------------------------------
>
> Key: ARROW-15061
> URL: https://issues.apache.org/jira/browse/ARROW-15061
> Project: Apache Arrow
> Issue Type: Sub-task
> Components: C++
> Reporter: Weston Pace
> Priority: Major
>
> Using OT we should add spans that report the runtime of kernel functions. We
> should ensure that, if OT is disabled, there is no significant overhead.
> In addition we should add spans that report the runtime of each exec node.
> This may be a little trickier than it would first seem because pipeline
> breakers like join, etc. don't do all of their work inside of InputReceived.
> Those could potentially be added later in follow-up PRs if it is getting to
> be too tricky. The simple nodes like FilterNode and ProjectNode should be
> more straightforward. These spans should be the parent of any kernel
> functions launched by that node.
> There should also be a span for an entire exec plan run that will be the
> parent of all of this.
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