当 MongoDB 启动时，即使在编辑/etc/security/limits.conf并将限制设置为unlimited.
Mar 09 18:29:13 ns524052 mongod[1298]: 2017-03-09T18:29:13.199+0100 I CONTROL [initandlisten] distarch: x86_64
Mar 09 18:29:13 ns524052 mongod[1298]: 2017-03-09T18:29:13.199+0100 I CONTROL [initandlisten] target_arch: x86_64
Mar 09 18:29:13 ns524052 mongod[1298]: 2017-03-09T18:29:13.199+0100 I CONTROL [initandlisten] options: { net: { port: 29000 }, security: { authorization: "enabled" }, storage: { dbPath: "/home/databases/mongo" }, systemLog: { quiet: true } }
Mar 09 18:29:13 ns524052 mongod[1298]: 2017-03-09T18:29:13.235+0100 I - [initandlisten] Detected data files in /home/databases/mongo created by the 'wiredTiger' storage …