SHOW VARIABLES LIKE 'max_allowed_packet' section 估算SQL语句的大小 SELECT CHAR_LENGTH('SELECT * FROM my_table WHERE id = 1') section 调整max_allowed_packet参数的值 SET GLOBAL max_allowed_packet = 1048576 section 重新执行SHOW PROCESSLIST命令 SHOW PROCESSLIST 以上旅行图展示了解决这个问题的步骤和流...
max_allowed_packet = 20M如果找不到my.cnf可以通过mysql --help | grep my.cnf去寻找my.cnf文件。 2) 方法2 进入mysql server在mysql 命令行中运行set global max_allowed_packet = 2*1024*1024*10然后关闭掉这此mysql server链接,再进入。show VARIABLES like '%max_allowed_packet%';查看下max_allowed_p...
max_allowed_packet = 20M如果找不到my.cnf可以通过mysql --help | grep my.cnf去寻找my.cnf文件。 2) 方法2 进入mysql server在mysql 命令行中运行set global max_allowed_packet = 2*1024*1024*10然后关闭掉这此mysql server链接,再进入。show VARIABLES like '%max_allowed_packet%';查看下max_allowed_p...
SHOW VARIABLES LIKE 'max_join_size'; SHOW SESSION VARIABLES LIKE 'max_join_size'; To get a list of variables whose name match a pattern, use the % wildcard character in a LIKE clause: SHOW VARIABLES LIKE '%size%'; SHOW GLOBAL VARIABLES LIKE '%size%'; ...
Mysql show variables系统变量详解 mysqld服务器维护两种变量:全局变量、会话变量 全局变量影响服务器的全局操作。会话变量影响具体客户端连接相关操作。 服务器启动时,将所有全局变量初始化为默认值。可以在选项文件或命令行中指定的选项来更改这些默认值。服务器启动后,通过连接服务器并执行SET GLOBAL var_name语句可以...
如果你使用大的BLOB 列或长字符串,你必须增加该值。应同你想要使用的最大的BLOB一样大。max_allowed_packet的协议限制为1GB。 max_binlog_cache_size 如果多语句事务需要更大的内存,你会得到错误Multi-statement transaction required more than 'max_binlog_cache_size' bytes of storage。
IP address of the next system that is used when forwarding a packet to the destination network. An entry of 0.0.0.0 indicates that the router has some non-BGP routes to this network. Metric If shown, the value of the interautonomous system metric. LocPrf Local ...
The maximum size, in bytes, of packets allowed on this interface. If you do not set the interface name, this field shows “MTU not set.” IP address The interface IP address, either static or received from a DHCP server. Subnet mask The subnet mask for the IP ...
MaxRmtAddrPoolNum: 128. MaxLocNodeNumPerCls: 32. MaxRmtNodeNumPerCls: 32. MaxLinkNumPerNodePair: 8. FsaServicePort: 10517. FsaPid: 1. FsaSubPid: 1. FsaServiceId: 99999. MinAddrPoolPort: 12000. MaxAddrPoolPort: 12100. ProtStackCheckPeriod: 10. ProtStackCheckWindow: 5. ProtStackErr...
rpl_packet.test Add test that verifies that @@session.max_allowed_packet does not change when issuing SHOW BINLOG EVENTS. Make previous sub-test clean up. Add comments listing the bugs in this test case. @ sql/sql_repl.cc Restore the old value of thd->variables.max_allowed_packet at ...