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From Mayank Bansal <Mayank.Ban...@mu-sigma.com>
Subject RE: Percentile calculation
Date Tue, 02 Oct 2012 12:52:56 GMT
I have a 11 node hadoop cluster, the  map phase runs, the process fails at the reduce phase
after 67% competition with the out of java heap space error.
Could you please tell me, what further info do you want?

-----Original Message-----
From: MiaoMiao [mailto:liy099@gmail.com]
Sent: Tuesday, October 02, 2012 8:41 AM
To: user@hive.apache.org
Subject: Re: Percentile calculation

More info, please.

On Mon, Oct 1, 2012 at 4:50 PM, Mayank Bansal <Mayank.Bansal@mu-sigma.com> wrote:
> Hi,
>
>
>
> I am trying to run the hive udf percentile, I am trying to run it on a
> column with something around 116 million unique values.
>
> The maximum space that I can give to the reducer is 12 GB, the job
> keeps on failing due to java heap space error.
>
> Is there a way to optimize this, so that I don’t encounter this error?
>
> Or any other suggestion or solution which could help me out?
>
>
>
> Thanks,
>
> Mayank
>
>
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