yum-config-manager --add-repo http://archive.cloudera.com/cdh5/redhat/6/x86_64/cdh/cloudera-cdh5.repo
yum install impala-server impala-catalog impala-state-store impala-shell
ln -sf /usr/lib/hbase/lib/hbase-client.jar /usr/lib/impala/lib
ln -sf /usr/lib/hbase/lib/hbase-common.jar /usr/lib/impala/lib
ln -sf /usr/lib/hbase/lib/hbase-protocol.jar /usr/lib/impala/lib