mysqlslap执行基准测试的代码详情介绍

<span style="color: #000000">-a, --auto-generate-sql 由系统自动生成SQL脚本进行测试<br>                      Generate SQL where not supplied by file or command line.<br>  --auto-generate-sql-add-autoincrement 生成的表中增加自增的ID<br>                      Add an AUTO_INCREMENT column to auto-generated tables.--auto-generate-sql-load-type=name 制定测试过程中使用的查询类型<br>                      Specify test load type: mixed, update, write, key, or<br>                      read; default is mixed.--auto-generate-sql-write-number=# 制定所生成的初始化数据的条数<br>                      Number of row inserts to perform for each thread (default<br>                      is 100).-c, --concurrency=name 制定并发线程的数量<br>                      Number of clients to simulate for query to run.<br>  --create=name       File or string to use create tables.<br>  --create-schema=name 创建一个测试数据库的schema名称<br>                      Schema to run tests in.-T, --debug-info    This is a non-debug version. Catch this and exit.指定输出额外的内存及CPU统计信息-e,<br>                       --engine=name   Storage engine to use for creating the table. 指定所测试的存储引擎，用逗号可以分割以便测试多个引擎<br>  -h, --host=name     Connect to host. 链接远程主机的IP<br>  -i, --iterations=#  Number of times to run the tests. 指定本次测试需要运行的次数<br>  --no-drop           Do not drop the schema after the test. 指定测试完成后，不清理过程数据<br>  -x, --number-char-cols=name 指定测试表中生成的varchar类型的数据数量<br>                      Number of VARCHAR columns to create in table if<br>                      specifying --auto-generate-sql.<br>  -y, --number-int-cols=name 指定测试表中生成的int类型的数据数量<br>                      Number of INT columns to create in table if specifying<br>                      --auto-generate-sql.<br>  --number-of-queries=# 指定每一个线程所执行的查询数量<br>                      Limit each client to this number of queries (this is not<br>                      exact).<br>  --only-print        Do not connect to the databases, but instead print out 并不运行测试脚本，而是把生成的脚本打印出来<br>                      what would have been done.<br>  -p, --password[=name] 指定测试所用的链接数据库的密码<br>                      Password to use when connecting to server. If password is<br>                      not given it's asked from the tty.-q, --query=name    Query to run or file containing query to run.自定义测试用的sql<br>  -u, --user=name     User for login if not current user. 指定测试所用的链接数据库的用户名<br></span>

mysqlslap -S /tmp/mysql3306.sock --concurrency=1,50,100,200 --iterations=3 --number-int-cols=5 --number-char-cols=5   --auto-generate-sql --auto-generate-sql-add-autoincrement --engine=innodb --number-of-queries=10   --create-schema=test -uroot -p

Enter password:   Benchmark          Running for engine innodb          Average number of seconds to run all queries: 0.097 seconds          Minimum number of seconds to run all queries: 0.093 seconds          Maximum number of seconds to run all queries: 0.107 seconds          Number of clients running queries: 1          Average number of queries per client: 10Benchmark          Running for engine innodb          Average number of seconds to run all queries: 0.506 seconds          Minimum number of seconds to run all queries: 0.447 seconds          Maximum number of seconds to run all queries: 0.570 seconds          Number of clients running queries: 50          Average number of queries per client: 0Benchmark          Running for engine innodb          Average number of seconds to run all queries: 2.204 seconds          Minimum number of seconds to run all queries: 1.595 seconds          Maximum number of seconds to run all queries: 3.257 seconds          Number of clients running queries: 100          Average number of queries per client: 0mysqlslap: Error when connecting to server: 1040 Too many connections  mysqlslap: Error when connecting to server: 1040 Too many connections  mysqlslap: Error when connecting to server: 1040 Too many connections  mysqlslap: Error when connecting to server: 1040 Too many connections

Benchmark          Running for engine innodb          Average number of seconds to run all queries: 0.093 seconds          Minimum number of seconds to run all queries: 0.087 seconds          Maximum number of seconds to run all queries: 0.098 seconds          Number of clients running queries: 1          Average number of queries per client: 10Benchmark          Running for engine innodb          Average number of seconds to run all queries: 0.514 seconds          Minimum number of seconds to run all queries: 0.462 seconds          Maximum number of seconds to run all queries: 0.545 seconds          Number of clients running queries: 50          Average number of queries per client: 0Benchmark          Running for engine innodb          Average number of seconds to run all queries: 1.209 seconds          Minimum number of seconds to run all queries: 1.173 seconds          Maximum number of seconds to run all queries: 1.241 seconds          Number of clients running queries: 100          Average number of queries per client: 0Benchmark          Running for engine innodb          Average number of seconds to run all queries: 2.174 seconds          Minimum number of seconds to run all queries: 1.978 seconds          Maximum number of seconds to run all queries: 2.402 seconds          Number of clients running queries: 200          Average number of queries per client: 0