mysqlslap 可以用于模拟服务器的负载，并输出计时信息。其被包含在 MySQL 5.1 的发行包中。测试时，可以指定并发连接数，可以指定
mysqlslap 可以用于模拟服务器的负载，并输出计时信息。其被包含在 MySQL 5.1 的发行包中。测试时，可以指定并发连接数，可以指定 SQL 语句。如果没有指定 SQL 语句，mysqlslap 会自动生成查询 schema 的 SELECT 语句。
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mysqlslap 压力测试工具
MySQL自带的性能压力测试工具mysqlslap详解
1. 查看帮助信息。
[root@Betty libmysql]# mysqlslap --help
mysqlslap Ver 1.0 Distrib 5.6.10, for Linux (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/my.cnf /etc/mysql/my.cnf /usr/local/mysql/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,
except for login file.
--defaults-file=# Only read default options from the given file #.
--defaults-extra-file=# Read this file after the global files are read.
--defaults-group-suffix=#
Also read groups with concat(group, suffix)
--login-path=# Read this path from the login file.
-?, --help Display this help and exit.
-a, --auto-generate-sql 自动生成测试表和数据
Generate SQL where not supplied by file or command line.
--auto-generate-sql-add-autoincrement 增加auto_increment一列
Add an AUTO_INCREMENT column to auto-generated tables.
--auto-generate-sql-execute-number=# 自动生成的查询的个数
Set this number to generate a set number of queries to
run.
--auto-generate-sql-guid-primary 增加基于GUID的主键
Add GUID based primary keys to auto-generated tables.
--auto-generate-sql-load-type=name 测试语句的类型。取值包括：read，key，，write，update和mixed(默认)
read:查询 write:插入 key:读主键 update:更新主键 mixed:一半插入一半查询
Specify test load type: mixed, update, write, key, or
read; default is mixed.
--auto-generate-sql-secondary-indexes=# 增加二级索引的个数，默认是0
Number of secondary indexes to add to auto-generated
tables.
--auto-generate-sql-unique-query-number=# 不同查询的数量，默认值是10
Number of unique queries to generate for automatic tests.
--auto-generate-sql-unique-write-number=# 不同插入的数量，默认是100
Number of unique queries to generate for
auto-generate-sql-write-number.
--auto-generate-sql-write-number=#
Number of row inserts to perform for each thread (default
is 100).
--commit=# 多少条DML后提交一次
Commit records every X number of statements.
-C, --compress 如果服务器和客户端支持都压缩，则压缩信息传递
Use compression in server/client protocol.
-c, --concurrency=name 模拟N个客户端并发执行select。可指定多个值，以逗号或者 --delimiter 参数指定的值做为分隔符
Number of clients to simulate for query to run.
--create=name 指定用于创建表的.sql文件或者字串
File or string to use create tables.
--create-schema=name 指定待测试的数据库名，MySQL中schema也就是database，默认是mysqlslap
Schema to run tests in.
--csv[=name] Generate CSV output to named file or to stdout if no file
is named.
-#, --debug[=#] This is a non-debug version. Catch this and exit.
--debug-check Check memory and open file usage at exit.
-T, --debug-info 打印内存和CPU的信息
Print some debug info at exit.
--default-auth=name Default authentication client-side plugin to use.
-F, --delimiter=name 文件中的SQL语句使用分割符号
Delimiter to use in SQL statements supplied in file or
command line.
--detach=# 每执行完N个语句，先断开再重新打开连接
Detach (close and reopen) connections after X number of
requests.
--enable-cleartext-plugin
Enable/disable the clear text authentication plugin.
-e, --engine=name 创建测试表所使用的存储引擎，可指定多个
Storage engine to use for creating the table.
-h, --host=name Connect to host.
-i, --iterations=# 迭代执行的次数
Number of times to run the tests.
--no-drop Do not drop the schema after the test.
-x, --number-char-cols=name 自动生成的测试表中包含多少个字符类型的列，默认1
Number of VARCHAR columns to create in table if
specifying --auto-generate-sql.
-y, --number-int-cols=name 自动生成的测试表中包含多少个数字类型的列，默认1
Number of INT columns to create in table if specifying
--auto-generate-sql.
--number-of-queries=# 总的测试查询次数(并发客户数×每客户查询次数)
Limit each client to this number of queries (this is not
exact).
--only-print 只输出模拟执行的结果，不实际执行
Do not connect to the databases, but instead print out
what would have been done.
-p, --password[=name]
Password to use when connecting to server. If password is
not given it's asked from the tty.
--plugin-dir=name Directory for client-side plugins.
-P, --port=# Port number to use for connection.
--post-query=name 测试完成以后执行的SQL语句的文件或者字符串 这个过程不影响时间计算
Query to run or file containing query to execute after
tests have completed.
--post-system=name 测试完成以后执行的系统语句 这个过程不影响时间计算
system() string to execute after tests have completed.
--pre-query=name 测试执行之前执行的SQL语句的文件或者字符串 这个过程不影响时间计算
Query to run or file containing query to execute before
running tests.
--pre-system=name 测试执行之前执行的系统语句 这个过程不影响时间计算
system() string to execute before running tests.
--protocol=name The protocol to use for connection (tcp, socket, pipe,
memory).
-q, --query=name 指定自定义.sql脚本执行测试。例如可以调用自定义一个存储过程或者sql语句来执行测试
Query to run or file containing query to run.
-s, --silent 不输出
Run program in silent mode - no output.
-S, --socket=name The socket file to use for connection.
--ssl Enable SSL for connection (automatically enabled with
other flags).
--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-crl=name Certificate revocation list (implies --ssl).
--ssl-crlpath=name Certificate revocation list path (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.
-v, --verbose 输出更多的信息
More verbose output; you can use this multiple times to
get even more verbose output.
-V, --version Output version information and exit.
[root@Betty libmysql]#
