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
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查看/var/log/nova/nova-conductor.log报错为
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2017-02-06 09:27:04.976 2206 ERROR oslo_messaging.rpc.server OperationalError: (pymysql.err.OperationalError) (1040, u'Too many connections')

( _& ~% K( a: f7 A" w3 \1 g2018-10-11 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)
2018-10-11 22:59:43.524 13733 ERROR neutron
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修改mariadb配置文件
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) t( x: t  Z. Q5 q% l/ ^+ ^]# vim /etc/my.cnf.d/openstack.cnf
, G. ~9 W2 V: ?[mysqld]
' T& o! f3 T0 y& ^+ F0 emax_connections = 4096
: m) a: P- K& [8 [0 G修改系统打开数
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2 |- H# ?! p8 {( C6 }! a]# vim /etc/security/limits.conf
- R- J# t0 p7 d+ k' O3 v5 ]*  soft nofile 65536
2 x! R9 D' U. C) x) K2 x! z*  hard nofile 65536
]# ulimit -SHn 65536
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]# vim /etc/sysctl.conf
# max open files
fs.file-max = 65536
]# sysctl -p
重启mariadb

0 ?! i8 j% T1 h% t$ T]# systemctl restart mariadb

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