Github user zentol commented on the pull request:
https://github.com/apache/flink/pull/202#issuecomment-72652471
hmm...you are now the second person to report that creating the tmp files
does not work on OS X. i don't know why that doesn't work. the file creation is
done from java, is there any magic required there? i can't debug OS X error
myself at the moment. all i can do on that front is add sanity checks for
better error reporting.
the included triangle enumeration is kinda odd, even if it runs the output
is empty; Ive already checked the implementation yesterday and it appears equal
to the java counterpart. will give it another go.
the plan execution is one of the more fragile parts. generally, when the
process exits with an error it is noticed. but if for example something is
missing (like the call to execute) things just get stuck. this is due to the
fact that information is only ever sent to java, but never received, a complete
one-way street. since accumulators nor actions were supposed to be implemented
anytime soon this seemed appropriate, but it seems that requires a change
already. some timeouts could be useful as well.
@fhueske Thanks for trying it out!
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