mysql连接出错：ERROR 1040 (HY000): Too many connections

admin

连接mysql，结果出错：

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ERROR 1040 (HY000): Too many connections

修改mysql的配置文件，然后添加：

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root@bogon:logs# vi /etc/my.cnf
 
[mysqld]
lower_case_table_names=1
lower_case_table_names=0
lower_case_table_names=1
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
 
max_connections=100
max_user_connections=100
 
# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0
 
# Settings user and group are ignored when systemd is used (fedora >= 15).
# If you need to run mysqld under a different user or group,
# customize your systemd unit file for mysqld according to the
# instructions in [url]http://fedoraproject.org/wiki/Systemd[/url]
user=mysql
 
# Semisynchronous Replication
# [url]http://dev.mysql.com/doc/refman/5.5/en/replication-semisync.html[/url]
# uncomment next line on MASTER
;plugin-load=rpl_semi_sync_master=semisync_master.so
# uncomment next line on SLAVE
;plugin-load=rpl_semi_sync_slave=semisync_slave.so
 
# Others options for Semisynchronous Replication
;rpl_semi_sync_master_enabled=1
;rpl_semi_sync_master_timeout=10
;rpl_semi_sync_slave_enabled=1
 
# [url]http://dev.mysql.com/doc/refman/5.5/en/performance-schema.html[/url]
;performance_schema
 
 
[mysqld_safe]
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid

然后重启mysqld：

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root@bogon:logs# service mysqld restart
Stopping mysqld:                                           [  OK  ]
Starting mysqld:                                           [  OK  ]
root@bogon:logs#

然后重新连接试试，就可以了：

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root@bogon:logs# mysql -u root -p openfire_schoolike
Enter password:
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A
 
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 440
Server version: 5.5.44-cll-lve MySQL Community Server (GPL) by Atomicorp
 
Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved.
 
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
 
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
 
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