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From George Lu <luwenbin...@gmail.com>
Subject Re: Do I need to install Drill on each of the Hadoop data nodes or HBase RegionServer
Date Mon, 04 May 2015 07:39:21 GMT
Dear all,

Thanks!

George

On Mon, May 4, 2015 at 3:36 AM, Jacques Nadeau <jacques@apache.org> wrote:

> Drillbits can be installed on all nodes or any subset.  Drill prefers to
> have colocated nodes for better performance but this isn't a requirement
> (e.g. Drillbit on same node as data node or regionserver).
>
> On Sun, May 3, 2015 at 7:55 AM, George Lu <luwenbin888@gmail.com> wrote:
>
> > Hi all,
> >
> > For the distributed mode installation, I have some questions,
> >
> > 1) Do I need to install Drill to each Hadoop Data Node or HBase
> > RegionServer? Or I can install to any nodes in the cluster?
> >
> > 2) From the "Deploying Apache Drill in a Clustered Environment" in the
> > confluence page, mentions below:
> > "If you are using external JAR files, edit drill-env.sh, located in
> > /opt/drill/conf/, and define HADOOP_HOME:"
> >
> > What is external JAR files? What is the purpose if I set the HADOOP_HOME?
> >
> > Thanks!
> >
> > George Lu
> >
>

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