MySQL基准压力测试工具MySQLSlap怎么用

小编给大家分享一下MySQL基准压力测试工具MySQLSlap怎么用，相信大部分人都还不怎么了解，因此分享这篇文章给大家参考一下，希望大家阅读完这篇文章后大有收获，下面让我们一起去了解一下吧！

常用的解释：
[root@zhanglin ~]# mysqlslap –help
mysqlslap Ver 1.0 Distrib 5.1.73, for redhat-linux-gnu (x86_64)
Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Run a query multiple times against the server.
Usage: mysqlslap [OPTIONS]

Default options are read from the following files in the given order:
/etc/mysql/my.cnf /etc/my.cnf ~/.my.cnf
The following groups are read: mysqlslap client
The following options may be given as the first argument:
–print-defaults Print the program argument list and exit.
–no-defaults Don’t read default options from any option file.
–defaults-file=# Only read default options from the given file #.
–defaults-extra-file=# Read this file after the global files are read.
-?, –help Display this help and exit.
-a, –auto-generate-sql
Generate SQL where not supplied by file or command line. //系统自带生成的SQL脚本来测试，非文件或命令行。
–auto-generate-sql-add-autoincrement
Add an AUTO_INCREMENT column to auto-generated tables. //从5.1.18版本开始,?表示对生成的表自动添加auto_increment列。
–auto-generate-sql-execute-number=#
Set this number to generate a set number of queries to //设置会话执行SQL语句的次数
run.
–auto-generate-sql-guid-primary
Add GUID based primary keys to auto-generated tables. //给测试表，根据主键添加GUID字段
–auto-generate-sql-load-type=name
Specify test load type: mixed, update, write, key, or //代表要测试的是读还是写还是两者混合的,吗，默认是混合模式。
read; default is mixed.
–auto-generate-sql-secondary-indexes=#
Number of secondary indexes to add to auto-generated // 自动增长表除主键以外索引的个数。
tables.
–auto-generate-sql-unique-query-number=#
Number of unique queries to generate for automatic tests. // 自动测试生成的不同查询的个数。
–auto-generate-sql-unique-write-number=#
Number of unique queries to generate for // 自动测试生成的不同write SQL 语句的个数。
auto-generate-sql-write-number.
–auto-generate-sql-write-number=#
Number of row inserts to perform for each thread (default //每个线程write SQL的数量。
is 100).
–commit=# Commit records every X number of statements. //多少条DML后提交一次。
-C, –compress Use compression in server/client protocol. // 使用压缩。
-c, –concurrency=name
Number of clients to simulate for query to run. //客户端并发数量，多个可以用逗号隔开,例如：concurrency=100,500,1000, 并发连接线程数分别是100、500、1000个并发。
–create=name File or string to use create tables. //表名，可以直接指定名字也可指定到某个文件。
–create-schema=name
Schema to run tests in. //用什么用户测试。
–csv[=name] Generate CSV output to named file or to stdout if no file //以CSV 文件输出测试结果。
is named.
-#, –debug[=#] This is a non-debug version. Catch this and exit.
–debug-check Check memory and open file usage at exit. //检查CPU以及内存的相关信息。
-T, –debug-info Print some debug info at exit. //结束时 打印debug信息。
-F, –delimiter=name
D免费主机域名elimiter to use in SQL statements supplied in file or
command line.
–detach=# D免费主机域名etach (close and reopen) connections after X number of
requests.
-e, –engine=name Storage engine to use for creating the table. //需要测试的存储引擎。
-h, –host=name Connect to host. //需要测试的数据库主机。
-i, –iterations=# Number of times to run the tests. //-i N 测试执行的次数，代表要在不同并发环境下，各自运行测试多少次。
–no-drop Do not drop the schema after the test. //测试结束，保留测试用户数据。
-x, –number-char-cols=name //创建测试表的 varchar 型字段数量,默认是1。
Number of VARCHAR columns to create in table if
specifying –auto-generate-sql.
-y, –number-int-cols=name //创建测试表的 int 型字段数量，默认是1.
Number of INT columns to create in table if specifying
–auto-generate-sql.
–number-of-queries=#
Limit each client to this number of queries (this is not //每个客户端 总的执行SQL次数(并发客户数每客户查询次数)。
exact).
–only-print Do not connect to the databases, but instead print out //只打印测试语句而不实际执行。类似日常查看执行计划
what would have been done.
-p, –password[=name]
Password to use when connecting to server. If password is //链接MySQL数据库用户的登录密码。
not given it’s asked from the tty.
-P, –port=# Port number to use for connection. //端口号。
–post-query=name Query to run or file containing query to execute after //测试后 执行的SQL语句
tests have completed.
–post-system=name system() string to execute after tests have completed. //测试后 执行的操作系统语句
–pre-query=name Query to run or file containing query to execute before //测试前 执行的SQL语句
running tests.
–pre-system=name system() string to execute before running tests. //测试前 执行的操作系统语句
–protocol=name The protocol to use for connection (tcp, socket, pipe, // 链接服务器使用的 链接协议
memory).
-q, –query=name Query to run or file containing query to run. //测试的SQL语句 一般是自主设计的SQL
-s, –silent Run program in silent mode – no output. //不显示测试
-S, –socket=name The socket file to use for connection. //连接服务器的socket通道文件
–ssl Enable SSL for connection (automatically enabled with
other flags).Disable with –skip-ssl.
–ssl-ca=name CA file in PEM format (check OpenSSL docs, implies
–ssl).
–ssl-capath=name CA directory (check OpenSSL docs, implies –ssl).
–ssl-cert=name X509 cert in PEM format (implies –ssl).
–ssl-cipher=name SSL cipher to use (implies –ssl).
–ssl-key=name X509 key in PEM format (implies –ssl).
–ssl-verify-server-cert
Verify server’s “Common Name” in its cert against
hostname used when connecting. This option is disabled by
default.
-u, –user=name User for login if not current user. // 登录MySQL用户，
-v, –verbose More verbose output; you can use this multiple times to //更详细的输出。
get even more verbose output.
-V, –version Output version information and exit. //版本信息

测试命令：
mysqlslap -uroot -pzhanglin–concurrency=1000 –iterations=10 –auto-generate-sql –auto-generate-sql-load-type=mixed –auto-generate-sql-add-autoincrement –engine=myisam –number-of-queries=10 –debug-info
#备注本次测试以1000个并发线程、测试10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

mysqlslap –concurrency=10,200,1000 –iterations=20 –number-int-cols=8 –number-char-cols=30 –auto-generate-sql –auto-generate-sql-add-autoincrement –auto-generate-sql-load-type=read–engine=myisam,innodb –number-of-queries=5000 –verbose –socket=/tmp/mysql/mysql.sock -uroot -pzhanglin
#系统脚本测试，增加int型 8列char 型30列，测试2种引擎myisam,innodb读的性能，分别用10，200，1000个客户端对服务器进行测试总共5000个查询语句 执行20次查询
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