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查看日志/var/log/nova/nova-scheduler.log,/var/log/nova/nova-compute.log,均无报错* Q$ h5 R! |$ h: _+ s$ y
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查看/var/log/nova/nova-conductor.log报错为$ u8 N0 r. x# {) v: ~4 P
) x% n+ N" T6 i3 c6 B2017-02-06 09:27:04.976 2206 ERROR oslo_messaging.rpc.server OperationalError: (pymysql.err.OperationalError) (1040, u'Too many connections'), r/ r9 p" g# ?& z# \6 J% I/ c" j$ R$ r
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2018-10-11 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)
9 k2 z/ e/ N, |4 v2018-10-11 22:59:43.524 13733 ERROR neutron
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5 C; W& ?/ z2 p$ [( t& g2 j修改mariadb配置文件
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]# vim /etc/my.cnf.d/openstack.cnf 6 E9 T8 r) |( {% f* X* y' ~" u
[mysqld]
& o8 r6 B% l) r' ~6 I \max_connections = 40968 z* z3 X$ l3 [3 k9 f
修改系统打开数
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. d V+ [# e+ @. \& L* S* l3 X]# vim /etc/security/limits.conf 7 @# d' z1 j0 G
* soft nofile 655362 E) T6 T* o! T$ U- y
* hard nofile 65536/ j6 n- f) ]- H7 ?6 l. k* |# p; I
]# ulimit -SHn 65536* X' z1 q, l( \- T# ~
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: d; {- N% n- s/ f/ L( q]# vim /etc/sysctl.conf ) r( Z" A, c0 K4 }, A
# max open files
8 v5 u- j5 c5 u# u8 i. s+ X; u* qfs.file-max = 65536
' U' r6 ]# Z( Q$ ~]# sysctl -p& U6 F$ P1 ]: s) L1 f
重启mariadb
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]# systemctl restart mariadb! f4 ~& A* U5 T; W5 {: @- D& \
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发表于 2018-10-11 23:04:25