there is a possibility that your daemon process is hung find it and kill it $> ps -eaf|grep impala impala 4399 1 0 Aug17 ? 00:00:00 python2.7 /usr/lib64/cmf/agent/build/env/bin/cmf-redactor /usr/lib64/cmf/service/impala/impala.sh impalad impalad_flags false clouder+ 8426 5709 0 16:34 pts/0 00:00:00 grep --color=auto impala impala 12322 1 0 Aug17 ? 00:00:00 /opt/cloudera/parcels/CDH-5.10.1-1.cdh5.10.1.p0.10/lib/impala/sbin-retail/impalad --flagfile=/run/cloudera-scm-agent/process/3639-impala-IMPALAD/impala-conf/impalad_flags $>sudo kill -9 12322 $>sudo kill -9 4399 try to restart your daemon   and check the port $> sudo netstat -lntp|grep 22000   ... View more