Home Database Mysql Tutorial MySQL日志分析软件mysqlsla的安装和使用教程_MySQL

MySQL日志分析软件mysqlsla的安装和使用教程_MySQL

May 27, 2016 pm 01:45 PM
mysql Log analysis

MySQL日志分析软件mysqlsla的安装和使用教程_MySQL

一、下载 mysqlsla

[root@localhost tmp]# wget http://hackmysql.com/scripts/mysqlsla-2.03.tar.gz
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--19:45:45-- http://hackmysql.com/scripts/mysqlsla-2.03.tar.gz
Resolving hackmysql.com... 64.13.232.157
Connecting to hackmysql.com|64.13.232.157|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 33674 (33K) [application/x-tar]
Saving to: `mysqlsla-2.03.tar.gz.2'

100%[=============================================================================>] 33,674   50.2K/s  in 0.7s  

19:45:47 (50.2 KB/s) - `mysqlsla-2.03.tar.gz.2' saved [33674/33674]
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二、解压

[root@localhost tmp]# tar -zxvf mysqlsla-2.03.tar.gz
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mysqlsla-2.03/
mysqlsla-2.03/Changes
mysqlsla-2.03/INSTALL
mysqlsla-2.03/README
mysqlsla-2.03/Makefile.PL
mysqlsla-2.03/bin/
mysqlsla-2.03/bin/mysqlsla
mysqlsla-2.03/META.yml
mysqlsla-2.03/lib/
mysqlsla-2.03/lib/mysqlsla.pm
mysqlsla-2.03/MANIFEST
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[root@localhost tmp]# cd mysqlsla-2.03
[root@localhost mysqlsla-2.03]# ls
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bin Changes INSTALL lib Makefile.PL MANIFEST META.yml README
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三、执行perl脚本检查包依赖关系

[root@localhost mysqlsla-2.03]# perl Makefile.PL
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Checking if your kit is complete...
Looks good
Writing Makefile for mysqlsla
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四、安装

[root@localhost mysqlsla-2.03]# make && make install;
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cp lib/mysqlsla.pm blib/lib/mysqlsla.pm
cp bin/mysqlsla blib/script/mysqlsla
/usr/bin/perl "-MExtUtils::MY" -e "MY->fixin(shift)" blib/script/mysqlsla
Manifying blib/man3/mysqlsla.3pm
Installing /usr/lib/perl5/site_perl/5.8.8/mysqlsla.pm
Installing /usr/share/man/man3/mysqlsla.3pm
Installing /usr/bin/mysqlsla
Writing /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/auto/mysqlsla/.packlist
Appending installation info to /usr/lib/perl5/5.8.8/i386-linux-thread-multi/perllocal.pod
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五、基本使用
1.使用参数说明
(1). --log-type (-lt) type logs:
通过这个参数来制定log的类型,主要有slow, general, binary, msl, udl,分析slow log时通过制定为slow.
(2). --sort:
制定使用什么参数来对分析结果进行排序,默认是按照t_sum来进行排序。
t_sum按总时间排序, c_sum按总次数排序
(3). --top:
显示sql的数量,默认是10,表示取按规则排序的前多少条
(4). --statement-filter (-sf) [+-][TYPE]:
过滤sql语句的类型,比如select、update、drop. [TYPE]有SELECT, CREATE, DROP, UPDATE, INSERT,例如"+SELECT,INSERT",不出现的默认是-,即不包括。
(5). --databases db:
要处理哪个库的日志:
2.统计参数说明
(1). queries total: 总查询次数
(2). unique:去重后的sql数量
(3). sorted by : 输出报表的内容排序 最重大的慢sql统计信息, 包括 平均执行时间, 等待锁时间, 结果行的总数, 扫描的行总数.
(4). Count: sql的执行次数及占总的slow log数量的百分比.
(5). Time: 执行时间, 包括总时间, 平均时间, 最小, 最大时间, 时间占到总慢sql时间的百分比.
(6). 95% of Time: 去除最快和最慢的sql, 覆盖率占95%的sql的执行时间.
(7). Lock Time: 等待锁的时间.
(8).95% of Lock: 95%的慢sql等待锁时间.
(9).Rows sent: 结果行统计数量, 包括平均, 最小, 最大数量.
(10).Rows examined: 扫描的行数量.
(11).Database: 属于哪个数据库.
(12).Users: 哪个用户,IP, 占到所有用户执行的sql百分比.
(13). Query abstract: 抽象后的sql语句.
(14). Query sample: sql语句.
3.使用范例
(1).统计慢查询文件为dowload_server1-slow.log的所有select的慢查询sql,并显示执行时间最长的10条sql,并写到sql_time.sql中去

mysqlsla -lt slow -sf "+select" -top 10 dowload_server1-slow.log >test_time.log
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(2).统计慢查询文件为dowload_server1-slow.log的数据库为ultraxsmutf8的所有select和update的慢查询sql,并查询次数最多的100条sql,并写到sql_num.sql中去

mysqlsla -lt slow -sf "+select,update" -top 100 -sort c_sum -db ultraxsmutf8 
dowload_server1-slow.log >num_time.log
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