MySQLのパフォーマンステストツールmysqlslap使用チュートリアル

概要
mysqlslapはMysqlが持つ圧力テストツールで、大量のクライアントが同時にデータベースを操作する状況をシミュレートすることができ、結果情報を通じてデータベースの性能状況を理解するmysqlslapの主な作業シーンの一つはデータベースサーバーに対して基準テストを行うことである.
テストプラットフォーム
自分の仕事のパソコンでテストしました.CPU:i 5-8250 U 4コア8スレッドメモリ:16 GBハードディスク:SSD 256 GB
すべてのパラメータ

C:\Users\Hzy>mysqlslap --help
mysqlslap  Ver 1.0 Distrib 5.7.23, for Win64 (x86_64)
Copyright (c) 2005, 2018, 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:
C:\WINDOWS\my.ini C:\WINDOWS\my.cnf C:\my.ini C:\my.cnf D:\work\mysql-5.7.23-winx64\my.ini D:\work\mysql-5.7.23-winx64\my.cnf D:\Program Files (x86)\MySQL\MySQL Server 5.1\my.ini D:\Program Files (x86)\MySQL\MySQL Server 5.1\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       This is a non-debug version. Catch this and exit.
  -T, --debug-info    This is a non-debug version. Catch this and 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.
  -W, --pipe          Use named pipes to connect to server.
  --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. Deprecated. Always TRUE
  --shared-memory-base-name=name
                      Base name of shared memory.
  -s, --silent        Run program in silent mode - no output.
  -S, --socket=name   The socket file to use for connection.
  --sql-mode=name     Specify sql-mode to run mysqlslap tool.
  --ssl-mode=name     SSL connection mode.
  --ssl               Deprecated. Use --ssl-mode instead.
                      (Defaults to on; use --skip-ssl to disable.)
  --ssl-verify-server-cert
                      Deprecated. Use --ssl-mode=VERIFY_IDENTITY instead.
  --ssl-ca=name       CA file in PEM format.
  --ssl-capath=name   CA directory.
  --ssl-cert=name     X509 cert in PEM format.
  --ssl-cipher=name   SSL cipher to use.
  --ssl-key=name      X509 key in PEM format.
  --ssl-crl=name      Certificate revocation list.
  --ssl-crlpath=name  Certificate revocation list path.
  --tls-version=name  TLS version to use, permitted values are: TLSv1, TLSv1.1
  -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.

共通パラメータ

--concurrency　　　　                  ,         
--engines 　　　　　　                    ，     ，      ， --engines=myisam,innodb
--iterations 　　　　　                       
--auto-generate-sql　　　　　　　　          SQL     
--auto-generate-sql-load-type　　                  （read,write,update,mixed）
--number-of-queries 　　　　　　              。                  /      
--debug-info 　　　　　　　　　　         CPU         
--number-int-cols 　　　　　　 　          int     
--number-char-cols　　　　　　             chat     
--create-schema 　　　　　　　　         database
--query    SQL　　　　　　　　            
--only-print 　　　　　　　　　　             SQL     ，       

テスト1:
システムで生成されたsqlスクリプトとデータベースを使用して、機種テストを行います.それぞれ100,500,1000を併用して試験を行い,総要求数は5000,読み書き混合圧力測定を行った.

C:\Users\Hzy>mysqlslap --concurrency=100,500,1000 --iterations=1 --auto-generate-sql --auto-generate-sql-load-type=mixed --auto-generate-sql-add-autoincrement --engine=innodb --number-of-queries=5000  -uroot -proot
mysqlslap: [Warning] Using a password on the command line interface can be insecure.
Benchmark
        Running for engine innodb
        Average number of seconds to run all queries: 1.422 seconds
        Minimum number of seconds to run all queries: 1.422 seconds
        Maximum number of seconds to run all queries: 1.422 seconds
        Number of clients running queries: 100
        Average number of queries per client: 50

Benchmark
        Running for engine innodb
        Average number of seconds to run all queries: 1.734 seconds
        Minimum number of seconds to run all queries: 1.734 seconds
        Maximum number of seconds to run all queries: 1.734 seconds
        Number of clients running queries: 500
        Average number of queries per client: 10

Benchmark
        Running for engine innodb
        Average number of seconds to run all queries: 2.360 seconds
        Minimum number of seconds to run all queries: 2.360 seconds
        Maximum number of seconds to run all queries: 2.360 seconds
        Number of clients running queries: 1000
        Average number of queries per client: 5

結果の意味:

Average number of …                                  
Minimum number of …                                  
Maximum number of …                                  
Number of clients …                               
Average number of queries per client                   

= Number of clients * Average number of queries per client
テスト2:
独自のテスト・ライブラリとテスト・ステートメントの自動テストを使用すると、ハードウェアレベルの状況を把握できます.当社の製品固有の状況については、独自のライブラリを使用してテストしたほうがいいです.製品・ライブラリをコピーして、このライブラリのテストを行うことができます.たとえば、次のようになります.

C:\Users\Hzy>mysqlslap --concurrency=100 --create-schema=vi_db --query="SELECT * FROM ads_cusprofile_et_info" --number-of-queries=100  -uroot -proot
mysqlslap: [Warning] Using a password on the command line interface can be insecure.
Benchmark
        Average number of seconds to run all queries: 6.078 seconds
        Minimum number of seconds to run all queries: 6.078 seconds
        Maximum number of seconds to run all queries: 6.078 seconds
        Number of clients running queries: 100
        Average number of queries per client: 1

--create-schema          
--query          

実際に使用する場合、通常は複数の複雑な文をテストし、スクリプトファイルを定義できます.たとえば、

echo "SELECT * FROM employees;SELECT * FROM titles;SELECT * FROM dept_emp;SELECT * FROM dept_manager;SELECT * FROM departments;" > ~/select_query.sql

複数のクエリー文を1つのsqlファイルに書き込み、このファイルを使用してテストを実行します.

mysqlslap  --concurrency=20 --number-of-queries=1000 --create-schema=employees --query="select_query.sql" --delimiter=”;” -uroot -proot

–queryでsqlファイルが指定されています–delimiterは、sqlファイル内の文間の区切り記号が何であるかを説明します.