Openstack 一直在调度中解决Too many connections

admin

查看日志/var/log/nova/nova-scheduler.log,/var/log/nova/nova-compute.log,均无报错

查看/var/log/nova/nova-conductor.log报错为

8 e% s- ?7 V7 X4 F. f' n* j2017-02-06 09:27:04.976 2206 ERROR oslo_messaging.rpc.server OperationalError: (pymysql.err.OperationalError) (1040, u'Too many connections')
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+ A% e' r5 `( c. r: N% N7 a2018-10-11 22:59:43.524 13733 ERROR neutron OperationalError: (pymysql.err.OperationalError) (1040, u'Too many connections') (Background on this error at: http://sqlalche.me/e/e3q8)
! O: v  E9 f# j: q4 n9 f2018-10-11 22:59:43.524 13733 ERROR neutron

5 }# L* K; J/ g$ E5 J修改mariadb配置文件
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]# vim /etc/my.cnf.d/openstack.cnf
[mysqld]
max_connections = 4096
修改系统打开数
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# [: l1 J& ?; z* V( u]# vim /etc/security/limits.conf
*  soft nofile 65536
$ A3 G' r8 i& R3 P*  hard nofile 65536
% J+ M- o0 _1 l& X5 A. [& a: ~]# ulimit -SHn 65536
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]# vim /etc/sysctl.conf
3 s9 p- `3 y( }4 g! w& h# max open files
fs.file-max = 65536
$ |. h2 P  `, J  \$ T3 E]# sysctl -p
! [' l2 `/ W9 {7 ~& S重启mariadb
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]# systemctl restart mariadb
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