Comment 22 for bug 1405657

Verified on ISO #92

"build_id": "2015-02-01_22-55-01", "ostf_sha": "c9100263140008abfcc2704732e98fbdfd644068", "build_number": "92", "release_versions": {"2014.2-6.1": {"VERSION": {"build_id": "2015-02-01_22-55-01", "ostf_sha": "c9100263140008abfcc2704732e98fbdfd644068", "build_number": "92", "api": "1.0", "nailgun_sha": "c0932eb5c2aa7fd1e13a999cb1b4bf5aff101c3b", "production": "docker", "python-fuelclient_sha": "2ea7b3e91c1d2ff85110bf5abb161a6f4e537358", "astute_sha": "ed5270bf9c6c1234797e00bd7d4dd3213253a413", "feature_groups": ["mirantis"], "release": "6.1", "fuelmain_sha": "", "fuellib_sha": "c5e4a0410ba66f9e9911f62b3b71c0b9c29aed6e"}}}, "auth_required": true, "api": "1.0", "nailgun_sha": "c0932eb5c2aa7fd1e13a999cb1b4bf5aff101c3b", "production": "docker", "python-fuelclient_sha": "2ea7b3e91c1d2ff85110bf5abb161a6f4e537358", "astute_sha": "ed5270bf9c6c1234797e00bd7d4dd3213253a413", "feature_groups": ["mirantis"], "release": "6.1", "fuelmain_sha": "", "fuellib_sha": "c5e4a0410ba66f9e9911f62b3b71c0b9c29aed6e"

1. Kill rabbitmq on one of controllers
2. Wait until rabbitmq restart
3.
[root@node-6 ~]# ps aux | grep rabbit
root 5759 0.0 0.0 11300 940 ? S 10:22 0:00 /bin/sh /usr/sbin/rabbitmq-server
root 5775 0.0 0.0 48572 1176 ? S 10:22 0:00 su rabbitmq -s /bin/sh -c /usr/lib/rabbitmq/bin/rabbitmq-server
rabbitmq 5776 11.8 3.6 1165476 108084 ? Ssl 10:22 0:16 /usr/lib64/erlang/erts-5.8.5/bin/beam.smp -W w -K true -A30 -P 1048576 -- -root /usr/lib64/erlang -progname erl -- -home /var/lib/rabbitmq -- -pa /usr/lib/rabbitmq/lib/rabbitmq_server-3.3.5/sbin/../ebin -noshell -noinput -sname rabbit@node-6 -boot start_sasl -config /etc/rabbitmq/rabbitmq -rabbit tcp_listeners [{"auto",5673}] -sasl errlog_type error -sasl sasl_error_logger false -rabbit error_logger {file,"/<email address hidden>"} -rabbit sasl_error_logger {file,"/<email address hidden>"} -rabbit enabled_plugins_file "/etc/rabbitmq/enabled_plugins" -rabbit plugins_dir "/usr/lib/rabbitmq/lib/rabbitmq_server-3.3.5/sbin/../plugins" -rabbit plugins_expand_dir "/var/lib/rabbitmq/mnesia/rabbit@node-6-plugins-expand" -os_mon start_cpu_sup false -os_mon start_disksup false -os_mon start_memsup false -mnesia dir "/var/lib/rabbitmq/mnesia/rabbit@node-6"
rabbitmq 6057 0.0 0.0 10792 532 ? Ss 10:22 0:00 inet_gethost 4
rabbitmq 6060 0.0 0.0 12896 672 ? S 10:22 0:00 inet_gethost 4
root 12623 0.0 0.0 103248 884 pts/0 S+ 10:24 0:00 grep rabbit

4. See limits for needed processes

[root@node-6 ~]# cat /proc/5759/limits
Limit Soft Limit Hard Limit Units
Max cpu time unlimited unlimited seconds
Max file size unlimited unlimited bytes
Max data size unlimited unlimited bytes
Max stack size 10485760 unlimited bytes
Max core file size unlimited unlimited bytes
Max resident set unlimited unlimited bytes
Max processes 22930 22930 processes
Max open files 102400 105472 files
Max locked memory unlimited unlimited bytes
Max address space unlimited unlimited bytes
Max file locks unlimited unlimited locks
Max pending signals 22930 22930 signals
Max msgqueue size 819200 819200 bytes
Max nice priority 0 0
Max realtime priority 0 0
Max realtime timeout unlimited unlimited us
[root@node-6 ~]# cat /proc/5775/limits
Limit Soft Limit Hard Limit Units
Max cpu time unlimited unlimited seconds
Max file size unlimited unlimited bytes
Max data size unlimited unlimited bytes
Max stack size 10485760 unlimited bytes
Max core file size unlimited unlimited bytes
Max resident set unlimited unlimited bytes
Max processes 10240 22930 processes
Max open files 102400 112640 files
Max locked memory unlimited unlimited bytes
Max address space unlimited unlimited bytes
Max file locks unlimited unlimited locks
Max pending signals 22930 22930 signals
Max msgqueue size 819200 819200 bytes
Max nice priority 0 0
Max realtime priority 0 0
Max realtime timeout unlimited unlimited us