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Hadoop, mail # user - how to get the time of a hadoop cluster, v0.20.2


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Jane Wayne 2013-05-14, 14:41
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Niels Basjes 2013-05-14, 15:38
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Jane Wayne 2013-05-14, 15:46
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Niels Basjes 2013-05-14, 21:09
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Jane Wayne 2013-05-16, 14:01
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Niels Basjes 2013-05-16, 15:34
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Michael Segel 2013-05-16, 16:46
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Jane Wayne 2013-05-17, 11:51
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Niels Basjes 2013-05-17, 13:17
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Bertrand Dechoux 2013-05-17, 14:02
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Jane Wayne 2013-05-17, 14:10
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Jane Wayne 2013-05-17, 14:13
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Michael Segel 2013-05-18, 15:54
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Re: how to get the time of a hadoop cluster, v0.20.2
Jane Wayne 2013-05-17, 14:01
> You are searching for a solution in the Hadoop API (where this does not
exist)

thanks, that's all i needed to know.

cheers.

On Fri, May 17, 2013 at 9:17 AM, Niels Basjes <[EMAIL PROTECTED]> wrote:

> Hi,
>
> > i have another computer (which i have referred to as a server, since it
> is
> > running tomcat), and this computer is NOT a part of the hadoop cluster
> (it
> > doesn't run any of the hadoop daemons), but does submit jobs to the
> hadoop
> > cluster via a JEE webapp interface. i need to check that the time on this
> > computer is in sync with the time on the hadoop cluster. when i say
> "check
> > that the time is in sync", there is a defined tolerance/threshold
> > difference in date/time that i am willing to accept (e.g. the date/time
> > should be the same down to the minute).
>
> If you ensure (using NTP) that all your servers have the same time then you
> can simply query your local server for the time and you have the correct
> answer to your question.
>
> You are searching for a solution in the Hadoop API (where this does not
> exist) when the solution is present at a different level.
>
> --
> Best regards / Met vriendelijke groeten,
>
> Niels Basjes
>