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From: Todd Lipcon <todd@cloudera.com>
Date: Sun, 6 Dec 2009 20:20:40 -0800
Message-ID: <45f85f70912062020k302ccf1fg9e926dd22216b225@mail.gmail.com>
Subject: Re: "whoami" can't be executed.
To: common-user@hadoop.apache.org
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Hi Pavel,

Any chance you've changed the memory settings in hadoop-env.sh to give
absurdly large heap sizes?

How much RAM is available on your machine?

-Todd

On Mon, Dec 7, 2009 at 12:12 AM, pavel kolodin <pavelkolodinhadoop@gmail.com
> wrote:

>
> Hello.
>
> I am using hadoop-0.20.1 on two VPS nodes with gentoo linux (hardware = 16
> xeon cpu, 64bit). Previously i was using the same version on 2 separated
> 32-bit machines and all was fine. Seems to be hadoop can not execute
> 'whoami'. Maybe reason is another, but hadoop tells me that my name is
> "DrWho". For example:
>
> hadoop@hadoopmaster ~ $ hadoop-0.20.1/bin/hadoop fs -put
> /tmp/idata/bigbigbigfile /
> put: org.apache.hadoop.security.AccessControlException: Permission denied:
> user=DrWho, access=WRITE, inode="":hadoop:hadoop:rwxr-xr-x
> hadoop@hadoopmaster ~ $
>
> 'whoami' itself is available as user 'hadoop' and returns 'hadoop'.
>
> Thank you for any suggestions!
> Pavel Kolodin.
>

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