Merge pull request #151 from NeowayLabs/limits

Recommended limits for for mongod

Author: UnderGreen

README.md

@@ -101,7 +101,7 @@ mongodb_replication_oplogsize: 1024               # specifies a maximum size in
 mongodb_set_parameters: { "enableLocalhostAuthBypass": "true", "authenticationMechanisms": "SCRAM-SHA-1,MONGODB-CR" }
 
 # MMS Agent
-mongodb_mms_agent_pkg: https://mms.mongodb.com/download/agent/automation/mongodb-mms-automation-agent-manager_1.4.2.783-1_amd64.deb
+mongodb_mms_agent_pkg: https://cloud.mongodb.com/download/agent/monitoring/mongodb-mms-monitoring-agent_7.2.0.488-1_amd64.ubuntu1604.deb
 mongodb_mms_group_id: ""
 mongodb_mms_api_key: ""
 mongodb_mms_base_url: https://mms.mongodb.com

defaults/main.yml

@@ -70,7 +70,7 @@ mongodb_replication_replindexprefetch: "all"      # specify index prefetching be
 mongodb_replication_oplogsize: 1024               # specifies a maximum size in megabytes for the replication operation log
 
 # MMS Agent
-mongodb_mms_agent_pkg: https://mms.mongodb.com/download/agent/automation/mongodb-mms-automation-agent-manager_1.4.2.783-1_amd64.deb
+mongodb_mms_agent_pkg: https://cloud.mongodb.com/download/agent/monitoring/mongodb-mms-monitoring-agent_7.2.0.488-1_amd64.ubuntu1604.deb
 mongodb_mms_group_id: ""
 mongodb_mms_api_key: ""
 mongodb_mms_base_url: https://mms.mongodb.com

files/mongodb.service

@@ -4,9 +4,25 @@ Documentation=man:mongod(1)
 
 [Service]
 User=mongodb
-ExecStart=/usr/bin/mongod --config /etc/mongod.conf
-LimitNOFILE=65535
-LimitNPROC=65535
+ExecStart=/usr/bin/numactl --interleave=all /usr/bin/mongod --config /etc/mongod.conf
+# file size
+LimitFSIZE=infinity
+# cpu time
+LimitCPU=infinity
+# virtual memory size
+LimitAS=infinity
+# open files
+LimitNOFILE=64000
+# processes/threads
+LimitNPROC=64000
+# locked memory
+LimitMEMLOCK=infinity
+# total threads (user+kernel)
+TasksMax=infinity
+TasksAccounting=false
+
+# Recommended limits for for mongod as specified in
+# http://docs.mongodb.org/manual/reference/ulimit/#recommended-settings
 
 [Install]
 WantedBy=multi-user.target

handlers/main.yml

@@ -8,8 +8,8 @@
   service: name={{ mongodb_daemon_name }} state=restarted
   when: mongodb_manage_service
 
-- name: mongodb-mms-automation-agent restart
-  service: name=mongodb-mms-automation-agent state=restarted
+- name: mongodb-mms-monitoring-agent restart
+  service: name=mongodb-mms-monitoring-agent state=restarted
   when: mongodb_manage_service
 
 - name: reload systemd

tasks/configure.yml

@@ -32,9 +32,9 @@
 
 - name: Create log if missing
   file: state=touch dest={{ mongodb_systemlog_path }} owner={{ mongodb_user }} group={{mongodb_user}} mode=0755
-  when: ( logfile_stat is defined
-        and not logfile_stat.stat.exists
-        and mongodb_systemlog_destination == "file" )
+  when: ( mongodb_systemlog_destination == "file"
+        and logfile_stat is defined
+        and not logfile_stat.stat.exists )
 
 - name: Ensure dbpath directory
   file:

tasks/mms-agent.yml

@@ -25,9 +25,9 @@
   file: state=directory path=/etc/mongodb-mms owner={{mongodb_user}} group={{mongodb_user}} mode=0755
 
 - name: Configure the MMS agent pt. 2
-  template: src=automation-agent.config.j2 dest=/etc/mongodb-mms/automation-agent.config
-  notify: mongodb-mms-automation-agent restart
+  template: src=monitoring-agent.config.j2 dest=/etc/mongodb-mms/monitoring-agent.config
+  notify: mongodb-mms-monitoring-agent restart
 
 - name: Ensure that the MMS agent is started
-  service: name=mongodb-mms-automation-agent state=started enabled=yes
+  service: name=mongodb-mms-monitoring-agent state=started enabled=yes
   when: mongodb_manage_service