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mysql常用性能压测工具mysqlslap

2023-03-14 22:52:33 时间

了解mysql数据库压测

本测试在4c8g的虚拟机实例中的MYSQL容器中测试

测试mysql启动方式

docker run -d --name mysql --restart=always -e MYSQL_ROOT_PASSOWRD=admin123 -p 3306:3306 -v /data/mysql_data:/var/lib/mysql mysql:5.6

单节点的数据库压力测试

单条数据库查询语句测试

root@80cdcfd8e850:/# mysqlslap -uroot -p --auto-generate-sqlEnter password:
Benchmark
       Average number of seconds to run all queries: 0.192 seconds # 运行所有语句平均秒数
       Minimum number of seconds to run all queries: 0.192 seconds # 运行所有语句最小秒数
       Maximum number of seconds to run all queries: 0.192 seconds # 运行所有语句最大秒数
       Number of clients running queries: 1 # 客户端数量
       Average number of queries per client: 0  # 每个客户端运行查询的平均数

多客户端多条查询语句并发测试

root@80cdcfd8e850:/# mysqlslap -uroot -p --concurrency=100 --number-of-queries=1000 --auto-generate-sql Enter password:
Benchmark
       Average number of seconds to run all queries: 0.392 seconds
       Minimum number of seconds to run all queries: 0.392 seconds
       Maximum number of seconds to run all queries: 0.392 seconds
       Number of clients running queries: 100
       Average number of queries per client: 10
  • concurrency: 表示模拟的客户端数量
  • number-of-queries:表示10个客户模拟数据库查询语句的总数量

本测试表达模拟10个mysql客户端一共发出1000个模拟查询语句,平均每个客户端查询10个数据库语句,平均总耗时0.392

模拟查询复杂表并发访问测试数据库性能

更加形象的模拟日常的多列多类型数据结构,默认只有两列数据。number-int-cols表示生成Int类型,number-of-cols表示生成char类型、

root@80cdcfd8e850:/# mysqlslap -uroot -p --number-int-cols=5 --number-char-cols=20 --auto-generate-sqlEnter password:
Benchmark
       Average number of seconds to run all queries: 0.234 seconds
       Minimum number of seconds to run all queries: 0.234 seconds
       Maximum number of seconds to run all queries: 0.234 seconds
       Number of clients running queries: 1
       Average number of queries per client: 0

与最开始的数据对比发现确实耗时一些。我们来看一下多并发情境下的性能如何?

root@80cdcfd8e850:/# mysqlslap -uroot -p --number-int-cols=5 --number-char-cols=20 --auto-generate-sql --concurrency=100 --number-of-queries=1000Enter password:
Benchmark
       Average number of seconds to run all queries: 1.711 seconds
       Minimum number of seconds to run all queries: 1.711 seconds
       Maximum number of seconds to run all queries: 1.711 seconds
       Number of clients running queries: 100
       Average number of queries per client: 10

自定义数据库查询语句

root@80cdcfd8e850:/# mysqlslap -uroot -p --concurrency=100 --number-of-queries=1000 --create-schema=mysql --query="select * from user"Enter password:
Benchmark
       Average number of seconds to run all queries: 0.050 seconds
       Minimum number of seconds to run all queries: 0.050 seconds
       Maximum number of seconds to run all queries: 0.050 seconds
       Number of clients running queries: 100
       Average number of queries per client: 10

从多查询数据库文件中读取并压测

  1. 将查询的数据库语句写入的文件中
  2. 在每条数据库语句中指定分隔符,如select * from user;select * from db;select * from events;
cat << EOF > /select.sql
select * from user;select * from db;select * from event;
EOFroot@80cdcfd8e850:/# cat << EOF > /select.sql                                                                                                  select * from user;select * from db;select * from event;
EOFroot@80cdcfd8e850:/# mysqlslap -uroot -p --concurrency=100 --number-of-queries=10000 --create-schema=mysql --query="select.sql" --delimiter=";"Enter password:
Benchmark
       Average number of seconds to run all queries: 0.303 seconds
       Minimum number of seconds to run all queries: 0.303 seconds
       Maximum number of seconds to run all queries: 0.303 seconds
       Number of clients running queries: 100
       Average number of queries per client: 100
  • —delimiter 表示数据库语句的分割符
  • —query 指定含有查询语句的测试语句

mysqlslap命令行选项

贴出选项不是为占篇幅,方便读者方便查询命令选项

Default options are read from the following files in the given order:
/etc/my.cnf /etc/mysql/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
                     Generate SQL where not supplied by file or command line.
 --auto-generate-sql-add-autoincrement
                     Add an AUTO_INCREMENT column to auto-generated tables.
 --auto-generate-sql-execute-number=#
                     Set this number to generate a set number of queries to
                     run.
 --auto-generate-sql-guid-primary
                     Add GUID based primary keys to auto-generated tables.
 --auto-generate-sql-load-type=name
                     Specify test load type: mixed, update, write, key, or
                     read; default is mixed.
 --auto-generate-sql-secondary-indexes=#
                     Number of secondary indexes to add to auto-generated
                     tables.
 --auto-generate-sql-unique-query-number=#
                     Number of unique queries to generate for automatic tests.
 --auto-generate-sql-unique-write-number=#
                     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=#          Commit records every X number of statements.
 -C, --compress      Use compression in server/client protocol.
 -c, --concurrency=name
                     Number of clients to simulate for query to run.
 --create=name       File or string to use create tables.
 --create-schema=name
                     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    Print some debug info at exit.
 --default-auth=name Default authentication client-side plugin to use.
 -F, --delimiter=name
                     Delimiter to use in SQL statements supplied in file or
                     command line.
 --detach=#          Detach (close and reopen) connections after X number of
                     requests.
 --enable-cleartext-plugin
                     Enable/disable the clear text authentication plugin.
 -e, --engine=name   Storage engine to use for creating the table.
 -h, --host=name     Connect to host.
 -i, --iterations=#  Number of times to run the tests.
 --no-drop           Do not drop the schema after the test.
 -x, --number-char-cols=name
                     Number of VARCHAR columns to create in table if
                     specifying --auto-generate-sql.
 -y, --number-int-cols=name
                     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
                     exact).
 --only-print        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   Query to run or file containing query to execute after
                     tests have completed.
 --post-system=name  system() string to execute after tests have completed.
 --pre-query=name    Query to run or file containing query to execute before
                     running tests.
 --pre-system=name   system() string to execute before running tests.
 --protocol=name     The protocol to use for connection (tcp, socket, pipe,
                     memory).
 -q, --query=name    Query to run or file containing query to run.
 --secure-auth       Refuse client connecting to server if it uses old
                     (pre-4.1.1) protocol.
                     (Defaults to on; use --skip-secure-auth to disable.)  -s, --silent        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.
 --ssl-mode=name     SSL connection mode.
 -u, --user=name     User for login if not current user.
 -v, --verbose       More verbose output; you can use this multiple times to
                     get even more verbose output.
 -V, --version       Output version information and exit.