Failed to stop couchbase server in rhel 7.2 container.

[root@couchbase-1-d1dbq /]# /opt/couchbase/etc/couchbase_init.d stop 

[root@couchbase-1-d1dbq /]# ps aux | grep beam                      

couchba+      1  0.0  0.4 1513532 135880 ?      Ssl  Jul14   3:17 /opt/couchbase/lib/erlang/erts-5.10.4.0.0.1/bin/beam.smp -A 16 -- -root /opt/couchbase/lib/erlang -progname erl -- -home /home/couchbase -- -smp enable -kernel inet_dist_listen_min 21100 inet_dist_listen_max 21299 error_logger false global_enable_tracing true -sasl sasl_error_logger false -hidden -name babysitter_of_ns_1@127.0.0.1 -setcookie nocookie -- -noshell -noinput -run ns_babysitter_bootstrap -- -couch_ini /opt/couchbase/etc/couchdb/default.ini /opt/couchbase/etc/couchdb/default.d/capi.ini /opt/couchbase/etc/couchdb/default.d/geocouch.ini /opt/couchbase/etc/couchdb/local.ini -ns_babysitter cookiefile "/opt/couchbase/var/lib/couchbase/couchbase-server.cookie" -ns_server config_path "/opt/couchbase/etc/couchbase/static_config" -ns_server pidfile "/opt/couchbase/var/lib/couchbase/couchbase-server.pid" -ns_server cookiefile "/opt/couchbase/var/lib/couchbase/couchbase-server.cookie-ns-server" -ns_server enable_mlockall false

couchba+    103 12.6  2.6 2944632 801648 ?      Ssl  Jul14 478:59 /opt/couchbase/lib/erlang/erts-5.10.4.0.0.1/bin/beam.smp -A 16 -sbt u -P 327680 -K true -swt low -MMmcs 30 -e102400 -- -root /opt/couchbase/lib/erlang -progname erl -- -home /home/couchbase -- -smp enable -setcookie nocookie -kernel inet_dist_listen_min 21100 inet_dist_listen_max 21299 error_logger false -sasl sasl_error_logger false -nouser -run child_erlang child_start ns_bootstrap -- -smp enable -couch_ini /opt/couchbase/etc/couchdb/default.ini /opt/couchbase/etc/couchdb/default.d/capi.ini /opt/couchbase/etc/couchdb/default.d/geocouch.ini /opt/couchbase/etc/couchdb/local.ini

couchba+  21767  1.1  0.6 2127352 186148 ?      Ssl  Jul16  19:26 /opt/couchbase/lib/erlang/erts-5.10.4.0.0.1/bin/beam.smp -P 327680 -K true -- -root /opt/couchbase/lib/erlang -progname erl -- -home /home/couchbase -- -pa /opt/couchbase/lib/erlang/lib/appmon-2.1.14.2/ebin /opt/couchbase/lib/erlang/lib/asn1-2.0.4/ebin /opt/couchbase/lib/erlang/lib/common_test-1.7.4/ebin /opt/couchbase/lib/erlang/lib/compiler-4.9.4/ebin /opt/couchbase/lib/erlang/lib/cosEvent-2.1.14/ebin /opt/couchbase/lib/erlang/lib/cosEventDomain-1.1.13/ebin /opt/couchbase/lib/erlang/lib/cosFileTransfer-1.1.15/ebin /opt/couchbase/lib/erlang/lib/cosNotification-1.1.20/ebin /opt/couchbase/lib/erlang/lib/cosProperty-1.1.16/ebin /opt/couchbase/lib/erlang/lib/cosTime-1.1.13/ebin /opt/couchbase/lib/erlang/lib/cosTransactions-1.2.13/ebin /opt/couchbase/lib/erlang/lib/crypto-3.2/ebin /opt/couchbase/lib/erlang/lib/dialyzer-2.6.1/ebin /opt/couchbase/lib/erlang/lib/diameter-1.5/ebin /opt/couchbase/lib/erlang/lib/edoc-0.7.12.1/ebin /opt/couchbase/lib/erlang/lib/eldap-1.0.2/ebin /opt/couchbase/lib/erlang/lib/erl_docgen-0.3.4.1/ebin /opt/couchbase/lib/erlang/lib/erl_interface-3.7.15 /opt/couchbase/lib/erlang/lib/erts-5.10.4.0.0.1/ebin /opt/couchbase/lib/erlang/lib/et-1.4.4.5/ebin /opt/couchbase/lib/erlang/lib/eunit-2.2.6/ebin /opt/couchbase/lib/erlang/lib/gs-1.5.15.2/ebin /opt/couchbase/lib/erlang/lib/hipe-3.10.2.2/ebin /opt/couchbase/lib/erlang/lib/ic-4.3.4/ebin /opt/couchbase/lib/erlang/lib/inets-5.9.8/ebin /opt/couchbase/lib/erlang/lib/mnesia-4.11/ebin /opt/couchbase/lib/erlang/lib/orber-3.6.26.1/ebin /opt/couchbase/lib/erlang/lib/os_mon-2.2.14/ebin /opt/couchbase/lib/erlang/lib/otp_mibs-1.0.8/ebin /opt/couchbase/lib/erlang/lib/parsetools-2.0.10/ebin /opt/couchbase/lib/erlang/lib/percept-0.8.8.2/ebin /opt/couchbase/lib/erlang/lib/pman-2.7.1.4/ebin /opt/couchbase/lib/erlang/lib/public_key-0.21/ebin /opt/couchbase/lib/erlang/lib/reltool-0.6.4.1/ebin /opt/couchbase/lib/erlang/lib/runtime_tools-1.8.13/ebin /opt/couchbase/lib/erlang/lib/sasl-2.3.4/ebin /opt/couchbase/lib/erlang/lib/snmp-4.25/ebin /opt/couchbase/lib/erlang/lib/ssh-3.0/ebin /opt/couchbase/lib/erlang/lib/ssl-5.3.3/ebin /opt/couchbase/lib/erlang/lib/syntax_tools-1.6.13/ebin /opt/couchbase/lib/erlang/lib/test_server-3.6.4/ebin /opt/couchbase/lib/erlang/lib/toolbar-1.4.2.3/ebin /opt/couchbase/lib/erlang/lib/tools-2.6.13/ebin /opt/couchbase/lib/erlang/lib/tv-2.1.4.10/ebin /opt/couchbase/lib/erlang/lib/typer-0.9.5/ebin /opt/couchbase/lib/erlang/lib/webtool-0.8.9.2/ebin /opt/couchbase/lib/erlang/lib/xmerl-1.3.6/ebin /opt/couchbase/lib/couchdb/plugins/gc-couchbase-1.0.0/ebin /opt/couchbase/lib/couchdb/plugins/vtree-0.1.0/ebin /opt/couchbase/lib/couchdb/plugins/wkb-1.2.0/ebin /opt/couchbase/lib/couchdb/erlang/lib/couch-1.2.0a-961ad59-git/ebin /opt/couchbase/lib/couchdb/erlang/lib/couch_dcp-1.0.0/ebin /opt/couchbase/lib/couchdb/erlang/lib/couch_index_merger-1.0.0/ebin /opt/couchbase/lib/couchdb/erlang/lib/couch_set_view-1.0.0/ebin /opt/couchbase/lib/couchdb/erlang/lib/couch_view_parser-1.0/ebin /opt/couchbase/lib/couchdb/erlang/lib/ejson-0.1.0/ebin /opt/couchbase/lib/couchdb/erlang/lib/erlang-oauth/ebin /opt/couchbase/lib/couchdb/erlang/lib/etap/ebin /opt/couchbase/lib/couchdb/erlang/lib/lhttpc-1.3/ebin /opt/couchbase/lib/couchdb/erlang/lib/mapreduce-1.0/ebin /opt/couchbase/lib/couchdb/erlang/lib/mochiweb-1.4.1/ebin /opt/couchbase/lib/couchdb/erlang/lib/snappy-1.0.4/ebin /opt/couchbase/lib/ns_server/erlang/lib/ale/ebin /opt/couchbase/lib/ns_server/erlang/lib/gen_smtp/ebin /opt/couchbase/lib/ns_server/erlang/lib/mlockall/ebin /opt/couchbase/lib/ns_server/erlang/lib/ns_babysitter/ebin /opt/couchbase/lib/ns_server/erlang/lib/ns_couchdb/ebin /opt/couchbase/lib/ns_server/erlang/lib/ns_server/ebin /opt/couchbase/lib/ns_server/erlang/lib/ns_ssl_proxy/ebin /opt/couchbase/lib/erlang/lib/stdlib-1.19.4/ebin /opt/couchbase/lib/erlang/lib/kernel-2.16.4/ebin . -couch_ini /opt/couchbase/etc/couchdb/default.ini /opt/couchbase/etc/couchdb/default.d/capi.ini /opt/couchbase/etc/couchdb/default.d/geocouch.ini /opt/couchbase/etc/couchdb/local.ini -setcookie ayygityqommtjqth -name couchdb_ns_1@127.0.0.1 -smp enable -kernel error_logger false -sasl sasl_error_logger false -nouser -hidden -run child_erlang child_start ns_couchdb

couchba+  21983  0.0  0.4 1119452 126260 ?      Ssl  Jul16   0:10 /opt/couchbase/lib/erlang/erts-5.10.4.0.0.1/bin/beam.smp -P 327680 -K true -- -root /opt/couchbase/lib/erlang -progname erl -- -home /home/couchbase -- -pa /opt/couchbase/lib/erlang/lib/appmon-2.1.14.2/ebin /opt/couchbase/lib/erlang/lib/asn1-2.0.4/ebin /opt/couchbase/lib/erlang/lib/common_test-1.7.4/ebin /opt/couchbase/lib/erlang/lib/compiler-4.9.4/ebin /opt/couchbase/lib/erlang/lib/cosEvent-2.1.14/ebin /opt/couchbase/lib/erlang/lib/cosEventDomain-1.1.13/ebin /opt/couchbase/lib/erlang/lib/cosFileTransfer-1.1.15/ebin /opt/couchbase/lib/erlang/lib/cosNotification-1.1.20/ebin /opt/couchbase/lib/erlang/lib/cosProperty-1.1.16/ebin /opt/couchbase/lib/erlang/lib/cosTime-1.1.13/ebin /opt/couchbase/lib/erlang/lib/cosTransactions-1.2.13/ebin /opt/couchbase/lib/erlang/lib/crypto-3.2/ebin /opt/couchbase/lib/erlang/lib/dialyzer-2.6.1/ebin /opt/couchbase/lib/erlang/lib/diameter-1.5/ebin /opt/couchbase/lib/erlang/lib/edoc-0.7.12.1/ebin /opt/couchbase/lib/erlang/lib/eldap-1.0.2/ebin /opt/couchbase/lib/erlang/lib/erl_docgen-0.3.4.1/ebin /opt/couchbase/lib/erlang/lib/erl_interface-3.7.15 /opt/couchbase/lib/erlang/lib/erts-5.10.4.0.0.1/ebin /opt/couchbase/lib/erlang/lib/et-1.4.4.5/ebin /opt/couchbase/lib/erlang/lib/eunit-2.2.6/ebin /opt/couchbase/lib/erlang/lib/gs-1.5.15.2/ebin /opt/couchbase/lib/erlang/lib/hipe-3.10.2.2/ebin /opt/couchbase/lib/erlang/lib/ic-4.3.4/ebin /opt/couchbase/lib/erlang/lib/inets-5.9.8/ebin /opt/couchbase/lib/erlang/lib/mnesia-4.11/ebin /opt/couchbase/lib/erlang/lib/orber-3.6.26.1/ebin /opt/couchbase/lib/erlang/lib/os_mon-2.2.14/ebin /opt/couchbase/lib/erlang/lib/otp_mibs-1.0.8/ebin /opt/couchbase/lib/erlang/lib/parsetools-2.0.10/ebin /opt/couchbase/lib/erlang/lib/percept-0.8.8.2/ebin /opt/couchbase/lib/erlang/lib/pman-2.7.1.4/ebin /opt/couchbase/lib/erlang/lib/public_key-0.21/ebin /opt/couchbase/lib/erlang/lib/reltool-0.6.4.1/ebin /opt/couchbase/lib/erlang/lib/runtime_tools-1.8.13/ebin /opt/couchbase/lib/erlang/lib/sasl-2.3.4/ebin /opt/couchbase/lib/erlang/lib/snmp-4.25/ebin /opt/couchbase/lib/erlang/lib/ssh-3.0/ebin /opt/couchbase/lib/erlang/lib/ssl-5.3.3/ebin /opt/couchbase/lib/erlang/lib/syntax_tools-1.6.13/ebin /opt/couchbase/lib/erlang/lib/test_server-3.6.4/ebin /opt/couchbase/lib/erlang/lib/toolbar-1.4.2.3/ebin /opt/couchbase/lib/erlang/lib/tools-2.6.13/ebin /opt/couchbase/lib/erlang/lib/tv-2.1.4.10/ebin /opt/couchbase/lib/erlang/lib/typer-0.9.5/ebin /opt/couchbase/lib/erlang/lib/webtool-0.8.9.2/ebin /opt/couchbase/lib/erlang/lib/xmerl-1.3.6/ebin /opt/couchbase/lib/couchdb/plugins/gc-couchbase-1.0.0/ebin /opt/couchbase/lib/couchdb/plugins/vtree-0.1.0/ebin /opt/couchbase/lib/couchdb/plugins/wkb-1.2.0/ebin /opt/couchbase/lib/couchdb/erlang/lib/couch-1.2.0a-961ad59-git/ebin /opt/couchbase/lib/couchdb/erlang/lib/couch_dcp-1.0.0/ebin /opt/couchbase/lib/couchdb/erlang/lib/couch_index_merger-1.0.0/ebin /opt/couchbase/lib/couchdb/erlang/lib/couch_set_view-1.0.0/ebin /opt/couchbase/lib/couchdb/erlang/lib/couch_view_parser-1.0/ebin /opt/couchbase/lib/couchdb/erlang/lib/ejson-0.1.0/ebin /opt/couchbase/lib/couchdb/erlang/lib/erlang-oauth/ebin /opt/couchbase/lib/couchdb/erlang/lib/etap/ebin /opt/couchbase/lib/couchdb/erlang/lib/lhttpc-1.3/ebin /opt/couchbase/lib/couchdb/erlang/lib/mapreduce-1.0/ebin /opt/couchbase/lib/couchdb/erlang/lib/mochiweb-1.4.1/ebin /opt/couchbase/lib/couchdb/erlang/lib/snappy-1.0.4/ebin /opt/couchbase/lib/ns_server/erlang/lib/ale/ebin /opt/couchbase/lib/ns_server/erlang/lib/gen_smtp/ebin /opt/couchbase/lib/ns_server/erlang/lib/mlockall/ebin /opt/couchbase/lib/ns_server/erlang/lib/ns_babysitter/ebin /opt/couchbase/lib/ns_server/erlang/lib/ns_couchdb/ebin /opt/couchbase/lib/ns_server/erlang/lib/ns_server/ebin /opt/couchbase/lib/ns_server/erlang/lib/ns_ssl_proxy/ebin /opt/couchbase/lib/erlang/lib/stdlib-1.19.4/ebin /opt/couchbase/lib/erlang/lib/kernel-2.16.4/ebin . -smp enable -kernel error_logger false -sasl sasl_error_logger false -nouser -run child_erlang child_start ns_ssl_proxy

root      31729  0.0  0.0   9044   672 ?        S+   14:05   0:00 grep --color=auto beam