数据库|mysql教程
mysql,性能,测试工具,mysqlslap,mysqls
数据库-mysql教程
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mysqlslap是mysql自带的基准测试工具,优点:查询数据,语法简单,灵活容易使用.该工具可以模拟多个客户端同时并发的向服务器发出查询更新,给出了性能测试数据而且提供了多种引擎的性能比较.msqlslap为mysql性能优化前后提供了直观的验证依据,建议系统运维和DBA
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mysqlslap是mysql自带的基准测试工具,优点:查询数据,语法简单,灵活容易使用.该工具可以模拟多个客户端同时并发的向服务器发出查询更新,给出了性能测试数据而且提供了多种引擎的性能比较.msqlslap为mysql性能优化前后提供了直观的验证依据,建议系统运维和DBA人员应该掌握一些常见的压力测试工具,才能准确的掌握线上数据库支撑的用户流量上限及其抗压性等问题.
mysql dba技术群 378190849
武汉-linux运维群 236415619
1.工具详细参数
–help显示帮助
–concurrency代表并发数量,多个可以用逗号隔开
–engines 测试的引擎,多个用分隔符隔开
–iterations 运行这些测试多少次
–auto-generate-sql系统自己生成的SQL脚本来测试
–auto-generate-sql-load-type测试的是读还是写还是两者混合的（read,write,update,mixed）
–number-of-queries 总共要运行多少次查询
–debug-info额外输出CPU以及内存的相关信息
–number-int-cols 创建测试表的 int 型字段数量
–auto-generate-sql-add-autoincrement 生成的表自动添加auto_increment列
–number-char-cols 测试表的 char 型字段数量
–create-schema测试的database
–query用自定义脚本执行测试
–only-print 如果只想打印看看SQL语句是什么,以用这个选项
2.测试实例(单个并发)
[root@node2 bin]# ./mysqlslap -uroot -psystem –concurrency=100 –iterations=1 –auto-generate-sql –auto-generate-sql-load-type=mixed –auto-generate-sql-add-autoincrement –engine=myisam –number-of-queries=10 –debug-info
Warning: Using a password on the command line interface can be insecure.
Benchmark
Running for engine myisam
Average number of seconds to run all queries: 0.209 seconds
Minimum number of seconds to run all queries: 0.209 seconds
Maximum number of seconds to run all queries: 0.209 seconds
Number of clients running queries: 100
Average number of queries per client: 0
User time 0.02, System time 0.09
Maximum resident set size 4684, Integral resident set size 0
Non-physical pagefaults 1476, Physical pagefaults 0, Swaps 0
Blocks in 0 out 0, Messages in 0 out 0, Signals 0
Voluntary context switches 2797, Involuntary context switches 25
[root@node2 bin]#
说明:测试100个并发线程,测试次数1次,自动生成SQL测试脚本,读,写,更新混合测试,自增长字段,测试引擎为myisam,共运行10次查询,输出cpu资源信息
3.测试实例(多个并发)
[root@node2 bin]# ./mysqlslap –concurrency=50,100,200 –iterations=20 –number-int-cols=4 –number-char-cols=35 –auto-generate-sql –auto-generate-sql-add-autoincrement –auto-generate-sql-load-type=read –engine=myisam,innodb –number-of-queries=200 –verbose –socket=/tmp/mysql.sock -uroot -psystem
Warning: Using a password on the command line interface can be insecure.
Benchmark
Running for engine myisam
Average number of seconds to run all queries: 0.758 seconds
Minimum number of seconds to run all queries: 0.671 seconds
Maximum number of seconds to run all queries: 0.870 seconds
Number of clients running queries: 50
Average number of queries per client: 4
Benchmark
Running for engine myisam
Average number of seconds to run all queries: 0.840 seconds
Minimum number of seconds to run all queries: 0.645 seconds
Maximum number of seconds to run all queries: 1.117 seconds
Number of clients running queries: 100
Average number of queries per client: 2
Benchmark
Running for engine myisam
Average number of seconds to run all queries: 0.959 seconds
Minimum number of seconds to run all queries: 0.802 seconds
Maximum number of seconds to run all queries: 1.192 seconds
Number of clients running queries: 200
Average number of queries per client: 1
Benchmark
Running for engine innodb
Average number of seconds to run all queries: 0.701 seconds
Minimum number of seconds to run all queries: 0.632 seconds
Maximum number of seconds to run all queries: 0.778 seconds
Number of clients running queries: 50
Average number of queries per client: 4
Benchmark
Running for engine innodb
Average number of seconds to run all queries: 0.754 seconds
Minimum number of seconds to run all queries: 0.560 seconds
Maximum number of seconds to run all queries: 0.920 seconds
Number of clients running queries: 100
Average number of queries per client: 2
Benchmark
Running for engine innodb
Average number of seconds to run all queries: 0.860 seconds
Minimum number of seconds to run all queries: 0.709 seconds
Maximum number of seconds to run all queries: 1.173 seconds
Number of clients running queries: 200
Average number of queries per client: 1
[root@node2 bin]#
说明:测试50,100,200个并发,运行20次,存储引擎myisam和innodb,运行200次查询
4.测试实例(自定义sql语句)
[root@node2 bin]# ./mysqlslap –concurrency=100 –iterations=1 –query=’select * from tong.t;’ –number-of-queries=10 –debug-info -uroot -psystem
Benchmark
Average number of seconds to run all queries: 2.211 seconds
Minimum number of seconds to run all queries: 2.211 seconds
Maximum number of seconds to run all queries: 2.211 seconds
Number of clients running queries: 100
Average number of queries per client: 0
User time 0.05, System time 0.27
Maximum resident set size 7324, Integral resident set size 0
Non-physical pagefaults 1686, Physical pagefaults 33, Swaps 0
Blocks in 7104 out 0, Messages in 0 out 0, Signals 0
Voluntary context switches 3449, Involuntary context switches 40
[root@node2 bin]#
5.测试实例(检测脚本)
[root@node2 bin]# ./mysqlslap –create=/yourpath/Test1.sql –query=/yourpath/Test2.sql –concurrency=50,100,200 –iterations=20 –engine=myisam,innodb -u root -psystem
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