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From Bikas Saha <>
Subject RE: get input size for each task
Date Sun, 06 Jul 2014 23:44:20 GMT
There isn’t a way currently. Each input and output however, have that
information and could potentially publish that. It may be tractable to
publish/store such information per logical edge. Ie. For each task state
how much data its reading in aggregate from each of its input vertices.
However, storing that per input task (instead of per input vertex) would be
O(m*n) for a scatter edge connecting m source and n destination tasks. We
would like to avoid that for memory allocation reasons.


*From:* Grandl Robert []
*Sent:* Sunday, July 06, 2014 3:23 PM
*Subject:* get input size for each task

Hi guys,

It is possible to know for a task/vertex what is the input size it needs to
transfer from each input task / vertex on every edge ? Similar, or the same
for output ?

I know for each task/vertex you know the input/output vertices, but I could
not find a way to determine the input size on each edge to these vertices ?



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