MySQL常用脚本

Posted 2021-01-01

监控mysql 事务数

#!/bin/bash
/usr/bin/mysqladmin -P3306 -uroot -h ‘‘ -p extended-status -i1 |awk ‘BEGIN{local_switch=0;print "QPS   Commit Rollback   TPS    Threads_con Threads_run 
------------------------------------------------------- "}
     $2 ~ /Queries$/            {q=$4-lq;lq=$4;}
     $2 ~ /Com_commit$/         {c=$4-lc;lc=$4;}
     $2 ~ /Com_rollback$/       {r=$4-lr;lr=$4;}
     $2 ~ /Threads_connected$/  {tc=$4;}
     $2 ~ /Threads_running$/    {tr=$4;
        if(local_switch==0) 
                {local_switch=1; count=0}
        else {
                if(count>10) 
                        {count=0;print "------------------------------------------------------- 
QPS   Commit Rollback   TPS    Threads_con Threads_run 
------------------------------------------------------- ";}
                else{ 
                        count+=1;
                        printf "%-6d %-8d %-7d %-8d %-10d %d 
", q,c,r,c+r,tc,tr;
                }
        }
}‘

查看非活跃会话

select * from information_schema.processlist where COMMAND !=‘Sleep‘;