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From Roman Shaposhnik <shaposh...@gmail.com>
Subject Re: Is it possible to know the mapper task a particular vertex is assigned to?
Date Thu, 06 Mar 2014 06:08:35 GMT
On Wed, Mar 5, 2014 at 9:53 PM, Pankaj Malhotra <pankajiitdyn@gmail.com> wrote:
> Hi,
>
> How can I find the mapper task a particular vertex is assigned to?
> I can do this by doing a sysout and then looking at the logs. But there must
> be a smarter way to do this. Please suggest.

That mapping is not static and can change. In theory you can rely on
the info in ZK, but that would be relying on what is, essentially, an
implementation detail of Giraph.

What's the reason for you to need this info?

Thanks,
Roman.

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