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From daemeon reiydelle <daeme...@gmail.com>
Subject Re: YARN - How is a node for a container determined?
Date Mon, 28 Aug 2017 22:53:34 GMT
Perhaps you can go into a bit more detail? Especially for e.g. a map job
(or reduce in mapR), this seems like a major antipattern.

*Daemeon C.M. ReiydelleSan Francisco 1.415.501.0198London 44 020 8144 9872*

On Mon, Aug 28, 2017 at 3:37 PM, Grant Overby <grant.overby@gmail.com>

> When YARN receives a request for a container, which can be met by many
> nodes, what is the algorithm for determining which node is given the
> container?
> Is this tunable? I'd like to densely pack containers on fewer nodes.
> A pointer to source code would be nice.

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