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  • QPS、TPS计算

    QPS (Query per second) (每秒查询量)

    TPS(Transaction per second) (每秒事务量,如果是InnoDB会显示,没有InnoDB就不会显示)

    计算方法

    QPS
    Questions = SHOW GLOBAL STATUS LIKE 'Questions';
    Uptime = SHOW GLOBAL STATUS LIKE 'Uptime';
    QPS=Questions/Uptime
    TPS
    Com_commit = SHOW GLOBAL STATUS LIKE 'Com_commit';
    Com_rollback = SHOW GLOBAL STATUS LIKE 'Com_rollback';
    Uptime = SHOW GLOBAL STATUS LIKE 'Uptime';
    TPS=(Com_commit + Com_rollback)/Seconds
    
    QPS 
    mysqladmin -h192.168.160.100 -uroot -p extended-status --relative --sleep=1|grep -w Questions 
    
    TPS :下面两个值相加 
    Com_commit=mysqladmin -h192.168.160.100 -uroot -p extended-status --relative --sleep=1|grep -w Com_commit 
    
    Com_rollback=mysqladmin -h192.168.160.100 -uroot -p extended-status --relative --sleep=1|grep -w Com_rollback 
    
    TPS = $Com_commit + $Com_rollback
    

    统计QPS、TPS的脚本

    #!/bin/bash
    mysqladmin -uroot -h192.168.160.43 -p'000000' 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;
                    }
            }
    }'
    
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  • 原文地址:https://www.cnblogs.com/icyblog/p/7201974.html
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