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https://issues.apache.org/jira/browse/CRUNCH-420?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14032418#comment-14032418
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Gabriel Reid commented on CRUNCH-420:
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Ok, that now fully refreshes my memory on the subject (as well as being in line
with what I saw in the code, unsurprisingly).
>From what I've seen in the code a slightly simpler version of the inter-GBK
>edge splitting can be done to handle this situation as well. My thinking is
>that any edge that ends in a materialization output could be dropped in as a
>replacement for the first portion of other edges that start from the same
>vertex and have a NodePath that is a superset of the materialization NodePath
>-- does that make sense?
> 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, 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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