Did not meant to start impalad in command-line But the problem is when impala service was added to cluster in CM UI, there is only one impalad started, others failed to start ... View more

excute :  /opt/cloudera/parcels/CDH-5.2.0-1.cdh5.2.0.p0.36/lib/impala/sbin-debug/impalad result:  /opt/cloudera/parcels/CDH-5.2.0-1.cdh5.2.0.p0.36/lib/impala/sbin-debug/impalad: error while loading shared libraries: libjsig.so: cannot open shared object file: No such file or directory ... View more

delete impala  and re - add service  but cannot start the impalads  logs : Internal communication is not authenticated external communication is not authenticated   and if uncheck "Use Debug Build" ,  Catalog Server, statstore also failed to start Service did not start successfully; not all of the required roles started: Service has only 0 Impala Daemon roles running instead of minimum required 1.     ... View more