偶看新闻两个32k纸是多大尺寸:MySQL 1040 错误 Too many connections
来源：百度文库 编辑：偶看新闻 时间：2024/05/10 06:34:18
Can not connect to MySQL server
Error: Too many connections
Errno.: 1040
原因：
因为 my.ini 中设定的并发连接数太少或者系统繁忙导致连接数被占满。
解决方式：
打开 MYSQL 安装目录打开 my.ini 找到 max_connections 默认是 100， 一般设置到500～1000比较合适，重启 MySQL ，解决 MySQL 1040 错误。
高手优化的MYSQL my.ini的1000人在线配置。
#This File was made using the WinMySQLAdmin 1.4 Tool
#2004-2-23 16:28:14
#Uncomment or Add only the keys that you know how works.
#Read the MySQL Manual for instructions
[mysqld]
basedir=D:/mysql
#bind-address=210.5.*.*
datadir=D:/mysql/data
#language=D:/mysql/share/your language directory
#slow query log#=
#tmpdir#=
#port=3306
set-variable = max_connections=1000
skip-locking
#skip-networking
set-variable = key_buffer=384M
set-variable = max_allowed_packet=1M
set-variable = table_cache=512
set-variable = sort_buffer=2M
set-variable = record_buffer=2M
set-variable = thread_cache=8
# Try number of CPU’s*2 for thread_concurrency
set-variable = thread_concurrency=8
set-variable = myisam_sort_buffer_size=64M
#set-variable = connect_timeout=5
#set-variable = wait_timeout=5
server-id = 1
[isamchk]
set-variable = key_buffer=128M
set-variable = sort_buffer=128M
set-variable = read_buffer=2M
set-variable = write_buffer=2M
[myisamchk]
set-variable = key_buffer=128M
set-variable = sort_buffer=128M
set-variable = read_buffer=2M
set-variable = write_buffer=2M
[WinMySQLadmin]
Server=D:/mysql/bin/mysqld-nt.exe
重启一下MYSQL服务就OK了
Error: Too many connections
Errno.: 1040
原因：
因为 my.ini 中设定的并发连接数太少或者系统繁忙导致连接数被占满。
解决方式：
打开 MYSQL 安装目录打开 my.ini 找到 max_connections 默认是 100， 一般设置到500～1000比较合适，重启 MySQL ，解决 MySQL 1040 错误。
高手优化的MYSQL my.ini的1000人在线配置。
#This File was made using the WinMySQLAdmin 1.4 Tool
#2004-2-23 16:28:14
#Uncomment or Add only the keys that you know how works.
#Read the MySQL Manual for instructions
[mysqld]
basedir=D:/mysql
#bind-address=210.5.*.*
datadir=D:/mysql/data
#language=D:/mysql/share/your language directory
#slow query log#=
#tmpdir#=
#port=3306
set-variable = max_connections=1000
skip-locking
#skip-networking
set-variable = key_buffer=384M
set-variable = max_allowed_packet=1M
set-variable = table_cache=512
set-variable = sort_buffer=2M
set-variable = record_buffer=2M
set-variable = thread_cache=8
# Try number of CPU’s*2 for thread_concurrency
set-variable = thread_concurrency=8
set-variable = myisam_sort_buffer_size=64M
#set-variable = connect_timeout=5
#set-variable = wait_timeout=5
server-id = 1
[isamchk]
set-variable = key_buffer=128M
set-variable = sort_buffer=128M
set-variable = read_buffer=2M
set-variable = write_buffer=2M
[myisamchk]
set-variable = key_buffer=128M
set-variable = sort_buffer=128M
set-variable = read_buffer=2M
set-variable = write_buffer=2M
[WinMySQLadmin]
Server=D:/mysql/bin/mysqld-nt.exe
重启一下MYSQL服务就OK了
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