慢查询日志分析脚本Mysql

it2022-05-05  227

Mysql_slow_log_parser.txt  txt脚本的名字要改名为pl 使用方式: ./Mysql_slow_log_parser.pl /data/mysqldata/3306/data/zsd-slow.log 之前zsd-slow.log的内容: /usr/local/mysql55/bin/mysqld, Version: 5.5.25-log (Source distribution). started with: Tcp port: 3306  Unix socket: /data/mysqldata/3306/mysql.sock Time                 Id Command    Argument # Time: 120702 12:10:27 # User@Host: root[root] @ localhost [] # Query_time: 1.558936  Lock_time: 0.000077 Rows_sent: 0  Rows_examined: 262144 use test; SET timestamp=1341245427; insert into t1 select * From t1; # Time: 120702 12:10:31 # User@Host: root[root] @ localhost [] # Query_time: 3.077640  Lock_time: 0.000083 Rows_sent: 0  Rows_examined: 524288 SET timestamp=1341245431; insert into t1 select * From t1; # Time: 120702 12:10:38 # User@Host: root[root] @ localhost [] # Query_time: 6.081219  Lock_time: 0.000075 Rows_sent: 0  Rows_examined: 1048576 SET timestamp=1341245438; insert into t1 select * From t1; # Time: 120702 12:10:58 # User@Host: root[root] @ localhost [] # Query_time: 2.402953  Lock_time: 0.000152 Rows_sent: 1048576  Rows_examined: 2097152 SET timestamp=1341245458; select * from t1 order by name; # Time: 120702 12:13:18 # User@Host: root[root] @ localhost [] # Query_time: 13.259154  Lock_time: 0.000144 Rows_sent: 0  Rows_examined: 2097152 SET timestamp=1341245598; insert into t1 select * From t1; # Time: 120702 12:16:03 # User@Host: root[root] @ localhost [] # Query_time: 25.903786  Lock_time: 0.000089 Rows_sent: 0  Rows_examined: 4194304 SET timestamp=1341245763; insert into t1 select * From t1; 之后输出的内容:  Starting... ### 3 Queries ### Total time: 22.418013, Average time: 7.472671 ### Taking 3.077640 , 6.081219 , 13.259154  seconds to complete ### Rows analyzed 524288, 1048576 and 2097152 SET timestamp=XXX; insert into tXXX select * From tXXX; SET timestamp=1341245598; insert into t1 select * From t1; ### 1 Query ### Total time: 2.402953, Average time: 2.402953 ### Taking 2.402953  seconds to complete ### Rows analyzed 2097152 SET timestamp=XXX; select * from tXXX order by name; SET timestamp=1341245458; select * from t1 order by name; ### 1 Query ### Total time: 1.558936, Average time: 1.558936 ### Taking 1.558936  seconds to complete ### Rows analyzed 262144 use test; SET timestamp=XXX; insert into tXXX select * From tXXX; use test; SET timestamp=1341245427; insert into t1 select * From t1; 这个脚本可以很好的汇总和分析慢查询日志,晚上写个定时的脚本,输出发送邮件给自己,可以很好的查看,Mysql服务器慢查询的问题。

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