MySQL运维之--日常维护操作(三)

2015-11-21 02:07:39 · 作者: · 浏览: 21
og.log
WAL: write ahead log,日志优先写


11、归档
flush logs;
show master status;


write ahead log. recover backup, duriably. undo acid m vcc

12、参数和统计信息
show variables; ----参数
show variables like '%bin%';
show status; ----统计信息
show global status like'%insert%';
insert into test(name) values('xxxxx');


show variables like '%default%';
set global default_storage_engine=myisam; ---不影响当前会话的操作,影响新建立的连接
set session default_storage_engine=myisam; ---影响当前会话的操作


---连接池
max_connect
min_connect
max_idle
time_out

disconnect --释放

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