Dear all, Thanks!
George On Mon, May 4, 2015 at 3:36 AM, Jacques Nadeau <[email protected]> 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 <[email protected]> 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 > > >
