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From: Mohammad Tariq <dontariq@gmail.com>
Date: Sun, 12 May 2013 05:02:03 +0530
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Subject: Re: Does Hbase read .bashrc file??
To: "user@hbase.apache.org" <user@hbase.apache.org>
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I see. It was actually a Linux "thing". Thank you so much for the
clarification.

Warm Regards,
Tariq
cloudfront.blogspot.com


On Sun, May 12, 2013 at 4:51 AM, Amandeep Khurana <amansk@gmail.com> wrote:

> The #!/usr/bin/bash command in the script tells the shell to execute the
> script as a bash script. The execution is done by forking off a new shell
> instance, inside of which the bashrc is sourced automatically. It's not a
> HBase script specific phenomena.
>
> Like you said - removing the HADOOP_HOME env variable from the bashrc would
> solve the problem.
>
>
> On Sat, May 11, 2013 at 1:02 PM, Mohammad Tariq <dontariq@gmail.com>
> wrote:
>
> > Hello Aman,
> >
> >     Thank you so much for the quick response. But why would that happen?
> I
> > mean the required env variables are present in hbase-env.sh already. What
> > is the need to source bashrc?
> >
> > Consider a scenario wherein you want to run Hbase in standalone mode. You
> > have a Hadoop setup on the same machine and HADOOP_HOME is set in bashrc,
> > but you don't want to use hadoop for some reason. In that case Hbase will
> > face connection issues as it'll try to contact the Hadoop host(as
> > HADOOP_HOME is present in bashrc) which is not running because it is
> > standalone setup. On the other hand if you are running Hbase in pseudo
> > distributed mode and if you haven't set HADOOP_HOME in bashrc, it would
> > still work.
> >
> > I'm sorry to be a pest of questions. I am actually not able to understand
> > this. Pardon my ignorance.
> >
> > Warm Regards,
> > Tariq
> > cloudfront.blogspot.com
> >
> >
> > On Sun, May 12, 2013 at 1:14 AM, Amandeep Khurana <amansk@gmail.com>
> > wrote:
> >
> > > The start script is a shell script and it forks a new shell when the
> > > script is executed. That'll source the bashrc file.
> > >
> > > On May 11, 2013, at 12:39 PM, Mohammad Tariq <dontariq@gmail.com>
> wrote:
> > >
> > > > Hello list,
> > > >
> > > >           Does Hbase read the environment variables set in
> > > > *~/.bashrc*file everytime I issue
> > > > *bin/start-hbase.sh*??What could be the possible reasons for
> > > that?Specially
> > > > if I have a standalone setup on my local FS.
> > > >
> > > > Thank you so much for your time.
> > > >
> > > > Warm Regards,
> > > > Tariq
> > > > cloudfront.blogspot.com
> > >
> >
>

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