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https://issues.apache.org/jira/browse/CRUNCH-420?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14034304#comment-14034304
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Josh Wills commented on CRUNCH-420:
-----------------------------------
Chatting about this with [~mkwhitacre]-- is what we really want here just a way
to signal that a DoFn should be run exactly once? Like a boolean
runExactlyOnce() method that could be sent to the planner? Didn't we have this
discussion before sometime?
> Breakpoints Not Working
> -----------------------
>
> Key: CRUNCH-420
> URL: https://issues.apache.org/jira/browse/CRUNCH-420
> Project: Crunch
> Issue Type: Bug
> Environment: Crunch 0.8.2
> Reporter: Allan Shoup
> Assignee: Josh Wills
> Attachments: Breakpoint2IT.java, CRUNCH-420.patch,
> testBreakpoint_plan.png
>
>
> Reading through CRUNCH-294, it looks like materialize is supposed to function
> as a breakpoint to the planner. I've seen several plans where it appeared to
> me a particular DoFn shouldn't have been repeated, but it was.
> I'll attach some supporting material.
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