1058 lines
		
	
	
		
			23 KiB
		
	
	
	
		
			Groff
		
	
	
	
			
		
		
	
	
			1058 lines
		
	
	
		
			23 KiB
		
	
	
	
		
			Groff
		
	
	
	
'\" t
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.\"     Title: \fBmysqlslap\fR
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.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
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.\" Generator: DocBook XSL Stylesheets v1.77.1 <http://docbook.sf.net/>
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.\"      Date: 11/04/2013
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.\"    Manual: MySQL Database System
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.\"    Source: MySQL 5.1
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.\"  Language: English
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.\"
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.TH "\FBMYSQLSLAP\FR" "1" "11/04/2013" "MySQL 5\&.1" "MySQL Database System"
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.\" -----------------------------------------------------------------
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.\" * Define some portability stuff
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.\" -----------------------------------------------------------------
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.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.\" http://bugs.debian.org/507673
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.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
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.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.ie \n(.g .ds Aq \(aq
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.el       .ds Aq '
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.\" -----------------------------------------------------------------
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.\" * set default formatting
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.\" -----------------------------------------------------------------
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.\" disable hyphenation
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.nh
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.\" disable justification (adjust text to left margin only)
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.ad l
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.\" -----------------------------------------------------------------
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.\" * MAIN CONTENT STARTS HERE *
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.\" -----------------------------------------------------------------
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.\" mysqlslap
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.\" load emulation
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.SH "NAME"
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mysqlslap \- load emulation client
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.SH "SYNOPSIS"
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.HP \w'\fBmysqlslap\ [\fR\fB\fIoptions\fR\fR\fB]\fR\ 'u
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\fBmysqlslap [\fR\fB\fIoptions\fR\fR\fB]\fR
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.SH "DESCRIPTION"
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.PP
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\fBmysqlslap\fR
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is a diagnostic program designed to emulate client load for a MySQL server and to report the timing of each stage\&. It works as if multiple clients are accessing the server\&.
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\fBmysqlslap\fR
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is available as of MySQL 5\&.1\&.4\&.
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.PP
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Invoke
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\fBmysqlslap\fR
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like this:
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.sp
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.if n \{\
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.RS 4
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.\}
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.nf
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shell> \fBmysqlslap [\fR\fB\fIoptions\fR\fR\fB]\fR
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.fi
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.if n \{\
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.RE
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.\}
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.PP
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Some options such as
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\fB\-\-create\fR
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or
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\fB\-\-query\fR
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enable you to specify a string containing an SQL statement or a file containing statements\&. If you specify a file, by default it must contain one statement per line\&. (That is, the implicit statement delimiter is the newline character\&.) Use the
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\fB\-\-delimiter\fR
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option to specify a different delimiter, which enables you to specify statements that span multiple lines or place multiple statements on a single line\&. You cannot include comments in a file;
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\fBmysqlslap\fR
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does not understand them\&.
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.PP
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\fBmysqlslap\fR
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runs in three stages:
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.sp
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.RS 4
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.ie n \{\
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\h'-04' 1.\h'+01'\c
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						|
.\}
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						|
.el \{\
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.sp -1
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.IP "  1." 4.2
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.\}
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Create schema, table, and optionally any stored programs or data to use for the test\&. This stage uses a single client connection\&.
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.RE
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.sp
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.RS 4
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.ie n \{\
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\h'-04' 2.\h'+01'\c
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						|
.\}
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						|
.el \{\
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.sp -1
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.IP "  2." 4.2
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.\}
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Run the load test\&. This stage can use many client connections\&.
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.RE
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						|
.sp
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.RS 4
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.ie n \{\
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\h'-04' 3.\h'+01'\c
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						|
.\}
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						|
.el \{\
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.sp -1
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.IP "  3." 4.2
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.\}
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Clean up (disconnect, drop table if specified)\&. This stage uses a single client connection\&.
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.RE
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.PP
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Examples:
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.PP
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Supply your own create and query SQL statements, with 50 clients querying and 200 selects for each (enter the command on a single line):
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.sp
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.if n \{\
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.RS 4
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.\}
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.nf
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mysqlslap \-\-delimiter=";"
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  \-\-create="CREATE TABLE a (b int);INSERT INTO a VALUES (23)"
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  \-\-query="SELECT * FROM a" \-\-concurrency=50 \-\-iterations=200
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.fi
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.if n \{\
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.RE
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.\}
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.PP
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Let
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\fBmysqlslap\fR
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build the query SQL statement with a table of two
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INT
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columns and three
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VARCHAR
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columns\&. Use five clients querying 20 times each\&. Do not create the table or insert the data (that is, use the previous test\*(Aqs schema and data):
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.sp
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.if n \{\
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						|
.RS 4
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.\}
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.nf
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mysqlslap \-\-concurrency=5 \-\-iterations=20
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  \-\-number\-int\-cols=2 \-\-number\-char\-cols=3
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  \-\-auto\-generate\-sql
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.fi
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.if n \{\
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.RE
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.\}
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.PP
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Tell the program to load the create, insert, and query SQL statements from the specified files, where the
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create\&.sql
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file has multiple table creation statements delimited by
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\*(Aq;\*(Aq
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and multiple insert statements delimited by
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\*(Aq;\*(Aq\&. The
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\fB\-\-query\fR
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file will have multiple queries delimited by
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\*(Aq;\*(Aq\&. Run all the load statements, then run all the queries in the query file with five clients (five times each):
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.sp
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.if n \{\
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.RS 4
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.\}
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.nf
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mysqlslap \-\-concurrency=5
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  \-\-iterations=5 \-\-query=query\&.sql \-\-create=create\&.sql
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  \-\-delimiter=";"
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.fi
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.if n \{\
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.RE
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.\}
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.PP
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\fBmysqlslap\fR
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supports the following options, which can be specified on the command line or in the
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[mysqlslap]
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and
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[client]
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groups of an option file\&.
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\fBmysqlslap\fR
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also supports the options for processing option files described at
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Section\ \&4.2.3.4, \(lqCommand-Line Options that Affect Option-File Handling\(rq\&.
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.sp
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						|
.RS 4
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.ie n \{\
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\h'-04'\(bu\h'+03'\c
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						|
.\}
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						|
.el \{\
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.sp -1
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.IP \(bu 2.3
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.\}
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.\" mysqlslap: help option
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.\" help option: mysqlslap
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						|
\fB\-\-help\fR,
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						|
\fB\-?\fR
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						|
.sp
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						|
Display a help message and exit\&.
 | 
						|
.RE
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						|
.sp
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						|
.RS 4
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						|
.ie n \{\
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						|
\h'-04'\(bu\h'+03'\c
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						|
.\}
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						|
.el \{\
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.sp -1
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.IP \(bu 2.3
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						|
.\}
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						|
.\" mysqlslap: auto-generate-sql option
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.\" auto-generate-sql option: mysqlslap
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\fB\-\-auto\-generate\-sql\fR,
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						|
\fB\-a\fR
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						|
.sp
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						|
Generate SQL statements automatically when they are not supplied in files or using command options\&.
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						|
.RE
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						|
.sp
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						|
.RS 4
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						|
.ie n \{\
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						|
\h'-04'\(bu\h'+03'\c
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						|
.\}
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						|
.el \{\
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.sp -1
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.IP \(bu 2.3
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.\}
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.\" mysqlslap: auto-generate-sql-add-autoincrement option
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.\" auto-generate-sql-add-autoincrement option: mysqlslap
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						|
\fB\-\-auto\-generate\-sql\-add\-autoincrement\fR
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						|
.sp
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						|
Add an
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AUTO_INCREMENT
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column to automatically generated tables\&. This option was added in MySQL 5\&.1\&.18\&.
 | 
						|
.RE
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						|
.sp
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						|
.RS 4
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						|
.ie n \{\
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						|
\h'-04'\(bu\h'+03'\c
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						|
.\}
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						|
.el \{\
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						|
.sp -1
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.IP \(bu 2.3
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						|
.\}
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						|
.\" mysqlslap: auto-generate-sql-execute-number option
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						|
.\" auto-generate-sql-execute-number option: mysqlslap
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						|
\fB\-\-auto\-generate\-sql\-execute\-number=\fR\fB\fIN\fR\fR
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						|
.sp
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						|
Specify how many queries to generate automatically\&. This option was added in MySQL 5\&.1\&.18\&.
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						|
.RE
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						|
.sp
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						|
.RS 4
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						|
.ie n \{\
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						|
\h'-04'\(bu\h'+03'\c
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						|
.\}
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						|
.el \{\
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						|
.sp -1
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						|
.IP \(bu 2.3
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						|
.\}
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						|
.\" mysqlslap: auto-generate-sql-guid-primary option
 | 
						|
.\" auto-generate-sql-guid-primary option: mysqlslap
 | 
						|
\fB\-\-auto\-generate\-sql\-guid\-primary\fR
 | 
						|
.sp
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						|
Add a GUID\-based primary key to automatically generated tables\&. This option was added in MySQL 5\&.1\&.18\&.
 | 
						|
.RE
 | 
						|
.sp
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						|
.RS 4
 | 
						|
.ie n \{\
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						|
\h'-04'\(bu\h'+03'\c
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						|
.\}
 | 
						|
.el \{\
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						|
.sp -1
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						|
.IP \(bu 2.3
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						|
.\}
 | 
						|
.\" mysqlslap: auto-generate-sql-load-type option
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						|
.\" auto-generate-sql-load-type option: mysqlslap
 | 
						|
\fB\-\-auto\-generate\-sql\-load\-type=\fR\fB\fItype\fR\fR
 | 
						|
.sp
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						|
Specify the test load type\&. The permissible values are
 | 
						|
read
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						|
(scan tables),
 | 
						|
write
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						|
(insert into tables),
 | 
						|
key
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						|
(read primary keys),
 | 
						|
update
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						|
(update primary keys), or
 | 
						|
mixed
 | 
						|
(half inserts, half scanning selects)\&. The default is
 | 
						|
mixed\&. This option was added in MySQL 5\&.1\&.16\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
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						|
.\}
 | 
						|
.el \{\
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						|
.sp -1
 | 
						|
.IP \(bu 2.3
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						|
.\}
 | 
						|
.\" mysqlslap: auto-generate-sql-secondary-indexes option
 | 
						|
.\" auto-generate-sql-secondary-indexes option: mysqlslap
 | 
						|
\fB\-\-auto\-generate\-sql\-secondary\-indexes=\fR\fB\fIN\fR\fR
 | 
						|
.sp
 | 
						|
Specify how many secondary indexes to add to automatically generated tables\&. By default, none are added\&. This option was added in MySQL 5\&.1\&.18\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
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						|
.ie n \{\
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						|
\h'-04'\(bu\h'+03'\c
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						|
.\}
 | 
						|
.el \{\
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						|
.sp -1
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						|
.IP \(bu 2.3
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						|
.\}
 | 
						|
.\" mysqlslap: auto-generate-sql-unique-query-number option
 | 
						|
.\" auto-generate-sql-unique-query-number option: mysqlslap
 | 
						|
\fB\-\-auto\-generate\-sql\-unique\-query\-number=\fR\fB\fIN\fR\fR
 | 
						|
.sp
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						|
How many different queries to generate for automatic tests\&. For example, if you run a
 | 
						|
key
 | 
						|
test that performs 1000 selects, you can use this option with a value of 1000 to run 1000 unique queries, or with a value of 50 to perform 50 different selects\&. The default is 10\&. This option was added in MySQL 5\&.1\&.18\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
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						|
.sp -1
 | 
						|
.IP \(bu 2.3
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						|
.\}
 | 
						|
.\" mysqlslap: auto-generate-sql-unique-write-number option
 | 
						|
.\" auto-generate-sql-unique-write-number option: mysqlslap
 | 
						|
\fB\-\-auto\-generate\-sql\-unique\-write\-number=\fR\fB\fIN\fR\fR
 | 
						|
.sp
 | 
						|
How many different queries to generate for
 | 
						|
\fB\-\-auto\-generate\-sql\-write\-number\fR\&. The default is 10\&. This option was added in MySQL 5\&.1\&.18\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
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						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
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						|
.sp -1
 | 
						|
.IP \(bu 2.3
 | 
						|
.\}
 | 
						|
.\" mysqlslap: auto-generate-sql-write-number option
 | 
						|
.\" auto-generate-sql-write-number option: mysqlslap
 | 
						|
\fB\-\-auto\-generate\-sql\-write\-number=\fR\fB\fIN\fR\fR
 | 
						|
.sp
 | 
						|
How many row inserts to perform on each thread\&. The default is 100\&. This option was added in MySQL 5\&.1\&.16\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
 | 
						|
.sp -1
 | 
						|
.IP \(bu 2.3
 | 
						|
.\}
 | 
						|
.\" mysqlslap: commit option
 | 
						|
.\" commit option: mysqlslap
 | 
						|
\fB\-\-commit=\fR\fB\fIN\fR\fR
 | 
						|
.sp
 | 
						|
How many statements to execute before committing\&. The default is 0 (no commits are done)\&. This option was added in MySQL 5\&.1\&.21\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
 | 
						|
.sp -1
 | 
						|
.IP \(bu 2.3
 | 
						|
.\}
 | 
						|
.\" mysqlslap: compress option
 | 
						|
.\" compress option: mysqlslap
 | 
						|
\fB\-\-compress\fR,
 | 
						|
\fB\-C\fR
 | 
						|
.sp
 | 
						|
Compress all information sent between the client and the server if both support compression\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
 | 
						|
.sp -1
 | 
						|
.IP \(bu 2.3
 | 
						|
.\}
 | 
						|
.\" mysqlslap: concurrency option
 | 
						|
.\" concurrency option: mysqlslap
 | 
						|
\fB\-\-concurrency=\fR\fB\fIN\fR\fR,
 | 
						|
\fB\-c \fR\fB\fIN\fR\fR
 | 
						|
.sp
 | 
						|
The number of clients to simulate when issuing the
 | 
						|
SELECT
 | 
						|
statement\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
 | 
						|
.sp -1
 | 
						|
.IP \(bu 2.3
 | 
						|
.\}
 | 
						|
.\" mysqlslap: create option
 | 
						|
.\" create option: mysqlslap
 | 
						|
\fB\-\-create=\fR\fB\fIvalue\fR\fR
 | 
						|
.sp
 | 
						|
The file or string containing the statement to use for creating the table\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
 | 
						|
.sp -1
 | 
						|
.IP \(bu 2.3
 | 
						|
.\}
 | 
						|
.\" mysqlslap: create-schema option
 | 
						|
.\" create-schema option: mysqlslap
 | 
						|
\fB\-\-create\-schema=\fR\fB\fIvalue\fR\fR
 | 
						|
.sp
 | 
						|
The schema in which to run the tests\&. This option was added in MySQL 5\&.1\&.5\&.
 | 
						|
.if n \{\
 | 
						|
.sp
 | 
						|
.\}
 | 
						|
.RS 4
 | 
						|
.it 1 an-trap
 | 
						|
.nr an-no-space-flag 1
 | 
						|
.nr an-break-flag 1
 | 
						|
.br
 | 
						|
.ps +1
 | 
						|
\fBNote\fR
 | 
						|
.ps -1
 | 
						|
.br
 | 
						|
If the
 | 
						|
\fB\-\-auto\-generate\-sql\fR
 | 
						|
option is also given,
 | 
						|
\fBmysqlslap\fR
 | 
						|
drops the schema at the end of the test run\&. To avoid this, use the
 | 
						|
\fB\-\-no\-drop\fR
 | 
						|
option as well\&.
 | 
						|
.sp .5v
 | 
						|
.RE
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
 | 
						|
.sp -1
 | 
						|
.IP \(bu 2.3
 | 
						|
.\}
 | 
						|
.\" mysqlslap: csv option
 | 
						|
.\" csv option: mysqlslap
 | 
						|
\fB\-\-csv[=\fR\fB\fIfile_name\fR\fR\fB]\fR
 | 
						|
.sp
 | 
						|
Generate output in comma\-separated values format\&. The output goes to the named file, or to the standard output if no file is given\&. This option was added in MySQL 5\&.1\&.5\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
 | 
						|
.sp -1
 | 
						|
.IP \(bu 2.3
 | 
						|
.\}
 | 
						|
.\" mysqlslap: debug option
 | 
						|
.\" debug option: mysqlslap
 | 
						|
\fB\-\-debug[=\fR\fB\fIdebug_options\fR\fR\fB]\fR,
 | 
						|
\fB\-# [\fR\fB\fIdebug_options\fR\fR\fB]\fR
 | 
						|
.sp
 | 
						|
Write a debugging log\&. A typical
 | 
						|
\fIdebug_options\fR
 | 
						|
string is
 | 
						|
\*(Aqd:t:o,\fIfile_name\fR\*(Aq\&. The default is
 | 
						|
\*(Aqd:t:o,/tmp/mysqlslap\&.trace\*(Aq\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
 | 
						|
.sp -1
 | 
						|
.IP \(bu 2.3
 | 
						|
.\}
 | 
						|
.\" mysqlslap: debug-check option
 | 
						|
.\" debug-check option: mysqlslap
 | 
						|
\fB\-\-debug\-check\fR
 | 
						|
.sp
 | 
						|
Print some debugging information when the program exits\&. This option was added in MySQL 5\&.1\&.21\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
 | 
						|
.sp -1
 | 
						|
.IP \(bu 2.3
 | 
						|
.\}
 | 
						|
.\" mysqlslap: debug-info option
 | 
						|
.\" debug-info option: mysqlslap
 | 
						|
\fB\-\-debug\-info\fR,
 | 
						|
\fB\-T\fR
 | 
						|
.sp
 | 
						|
Print debugging information and memory and CPU usage statistics when the program exits\&. This option was added in MySQL 5\&.1\&.21\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
 | 
						|
.sp -1
 | 
						|
.IP \(bu 2.3
 | 
						|
.\}
 | 
						|
.\" mysqlslap: delimiter option
 | 
						|
.\" delimiter option: mysqlslap
 | 
						|
\fB\-\-delimiter=\fR\fB\fIstr\fR\fR,
 | 
						|
\fB\-F \fR\fB\fIstr\fR\fR
 | 
						|
.sp
 | 
						|
The delimiter to use in SQL statements supplied in files or using command options\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
 | 
						|
.sp -1
 | 
						|
.IP \(bu 2.3
 | 
						|
.\}
 | 
						|
.\" mysqlslap: detach option
 | 
						|
.\" detach option: mysqlslap
 | 
						|
\fB\-\-detach=\fR\fB\fIN\fR\fR
 | 
						|
.sp
 | 
						|
Detach (close and reopen) each connection after each
 | 
						|
\fIN\fR
 | 
						|
statements\&. The default is 0 (connections are not detached)\&. This option was added in MySQL 5\&.1\&.21\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
 | 
						|
.sp -1
 | 
						|
.IP \(bu 2.3
 | 
						|
.\}
 | 
						|
.\" mysqlslap: engine option
 | 
						|
.\" engine option: mysqlslap
 | 
						|
\fB\-\-engine=\fR\fB\fIengine_name\fR\fR,
 | 
						|
\fB\-e \fR\fB\fIengine_name\fR\fR
 | 
						|
.sp
 | 
						|
The storage engine to use for creating tables\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
 | 
						|
.sp -1
 | 
						|
.IP \(bu 2.3
 | 
						|
.\}
 | 
						|
.\" mysqlslap: host option
 | 
						|
.\" host option: mysqlslap
 | 
						|
\fB\-\-host=\fR\fB\fIhost_name\fR\fR,
 | 
						|
\fB\-h \fR\fB\fIhost_name\fR\fR
 | 
						|
.sp
 | 
						|
Connect to the MySQL server on the given host\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
 | 
						|
.sp -1
 | 
						|
.IP \(bu 2.3
 | 
						|
.\}
 | 
						|
.\" mysqlslap: iterations option
 | 
						|
.\" iterations option: mysqlslap
 | 
						|
\fB\-\-iterations=\fR\fB\fIN\fR\fR,
 | 
						|
\fB\-i \fR\fB\fIN\fR\fR
 | 
						|
.sp
 | 
						|
The number of times to run the tests\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
 | 
						|
.sp -1
 | 
						|
.IP \(bu 2.3
 | 
						|
.\}
 | 
						|
.\" mysqlslap: lock-directory option
 | 
						|
.\" lock-directory option: mysqlslap
 | 
						|
\fB\-\-lock\-directory=\fR\fB\fIpath\fR\fR
 | 
						|
.sp
 | 
						|
The directory to use for storing locks\&. This option was added in MySQL 5\&.1\&.5 and removed in 5\&.1\&.18\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
 | 
						|
.sp -1
 | 
						|
.IP \(bu 2.3
 | 
						|
.\}
 | 
						|
.\" mysqlslap: no-drop option
 | 
						|
.\" no-drop option: mysqlslap
 | 
						|
\fB\-\-no\-drop\fR
 | 
						|
.sp
 | 
						|
Prevent
 | 
						|
\fBmysqlslap\fR
 | 
						|
from dropping any schema it creates during the test run\&. This option was added in MySQL 5\&.1\&.57\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
 | 
						|
.sp -1
 | 
						|
.IP \(bu 2.3
 | 
						|
.\}
 | 
						|
.\" mysqlslap: number-char-cols option
 | 
						|
.\" number-char-cols option: mysqlslap
 | 
						|
\fB\-\-number\-char\-cols=\fR\fB\fIN\fR\fR,
 | 
						|
\fB\-x \fR\fB\fIN\fR\fR
 | 
						|
.sp
 | 
						|
The number of
 | 
						|
VARCHAR
 | 
						|
columns to use if
 | 
						|
\fB\-\-auto\-generate\-sql\fR
 | 
						|
is specified\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
 | 
						|
.sp -1
 | 
						|
.IP \(bu 2.3
 | 
						|
.\}
 | 
						|
.\" mysqlslap: number-int-cols option
 | 
						|
.\" number-int-cols option: mysqlslap
 | 
						|
\fB\-\-number\-int\-cols=\fR\fB\fIN\fR\fR,
 | 
						|
\fB\-y \fR\fB\fIN\fR\fR
 | 
						|
.sp
 | 
						|
The number of
 | 
						|
INT
 | 
						|
columns to use if
 | 
						|
\fB\-\-auto\-generate\-sql\fR
 | 
						|
is specified\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
 | 
						|
.sp -1
 | 
						|
.IP \(bu 2.3
 | 
						|
.\}
 | 
						|
.\" mysqlslap: number-of-queries option
 | 
						|
.\" number-of-queries option: mysqlslap
 | 
						|
\fB\-\-number\-of\-queries=\fR\fB\fIN\fR\fR
 | 
						|
.sp
 | 
						|
Limit each client to approximately this many queries\&. Query counting takes into account the statement delimiter\&. For example, if you invoke
 | 
						|
\fBmysqlslap\fR
 | 
						|
as follows, the
 | 
						|
;
 | 
						|
delimiter is recognized so that each instance of the query string counts as two queries\&. As a result, 5 rows (not 10) are inserted\&.
 | 
						|
.sp
 | 
						|
.if n \{\
 | 
						|
.RS 4
 | 
						|
.\}
 | 
						|
.nf
 | 
						|
shell> \fBmysqlslap \-\-delimiter=";" \-\-number\-of\-queries=10\fR
 | 
						|
         \fB\-\-query="use test;insert into t values(null)"\fR
 | 
						|
.fi
 | 
						|
.if n \{\
 | 
						|
.RE
 | 
						|
.\}
 | 
						|
.sp
 | 
						|
This option was added in MySQL 5\&.1\&.5\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
 | 
						|
.sp -1
 | 
						|
.IP \(bu 2.3
 | 
						|
.\}
 | 
						|
.\" mysqlslap: only-print option
 | 
						|
.\" only-print option: mysqlslap
 | 
						|
\fB\-\-only\-print\fR
 | 
						|
.sp
 | 
						|
Do not connect to databases\&.
 | 
						|
\fBmysqlslap\fR
 | 
						|
only prints what it would have done\&. This option was added in MySQL 5\&.1\&.5\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
 | 
						|
.sp -1
 | 
						|
.IP \(bu 2.3
 | 
						|
.\}
 | 
						|
.\" mysqlslap: password option
 | 
						|
.\" password option: mysqlslap
 | 
						|
\fB\-\-password[=\fR\fB\fIpassword\fR\fR\fB]\fR,
 | 
						|
\fB\-p[\fR\fB\fIpassword\fR\fR\fB]\fR
 | 
						|
.sp
 | 
						|
The password to use when connecting to the server\&. If you use the short option form (\fB\-p\fR), you
 | 
						|
\fIcannot\fR
 | 
						|
have a space between the option and the password\&. If you omit the
 | 
						|
\fIpassword\fR
 | 
						|
value following the
 | 
						|
\fB\-\-password\fR
 | 
						|
or
 | 
						|
\fB\-p\fR
 | 
						|
option on the command line,
 | 
						|
\fBmysqlslap\fR
 | 
						|
prompts for one\&.
 | 
						|
.sp
 | 
						|
Specifying a password on the command line should be considered insecure\&. See
 | 
						|
Section\ \&6.1.2.1, \(lqEnd-User Guidelines for Password Security\(rq\&. You can use an option file to avoid giving the password on the command line\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
 | 
						|
.sp -1
 | 
						|
.IP \(bu 2.3
 | 
						|
.\}
 | 
						|
.\" mysqlslap: pipe option
 | 
						|
.\" pipe option: mysqlslap
 | 
						|
\fB\-\-pipe\fR,
 | 
						|
\fB\-W\fR
 | 
						|
.sp
 | 
						|
On Windows, connect to the server using a named pipe\&. This option applies only if the server supports named\-pipe connections\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
 | 
						|
.sp -1
 | 
						|
.IP \(bu 2.3
 | 
						|
.\}
 | 
						|
.\" mysqlslap: port option
 | 
						|
.\" port option: mysqlslap
 | 
						|
\fB\-\-port=\fR\fB\fIport_num\fR\fR,
 | 
						|
\fB\-P \fR\fB\fIport_num\fR\fR
 | 
						|
.sp
 | 
						|
The TCP/IP port number to use for the connection\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
 | 
						|
.sp -1
 | 
						|
.IP \(bu 2.3
 | 
						|
.\}
 | 
						|
.\" mysqlslap: post-query option
 | 
						|
.\" post-query option: mysqlslap
 | 
						|
\fB\-\-post\-query=\fR\fB\fIvalue\fR\fR
 | 
						|
.sp
 | 
						|
The file or string containing the statement to execute after the tests have completed\&. This execution is not counted for timing purposes\&. This option was added in MySQL 5\&.1\&.18\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
 | 
						|
.sp -1
 | 
						|
.IP \(bu 2.3
 | 
						|
.\}
 | 
						|
.\" mysqlslap: shared-memory-base-name option
 | 
						|
.\" shared-memory-base-name option: mysqlslap
 | 
						|
\fB\-\-shared\-memory\-base\-name=\fR\fB\fIname\fR\fR
 | 
						|
.sp
 | 
						|
On Windows, the shared\-memory name to use, for connections made using shared memory to a local server\&. This option applies only if the server supports shared\-memory connections\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
 | 
						|
.sp -1
 | 
						|
.IP \(bu 2.3
 | 
						|
.\}
 | 
						|
.\" mysqlslap: post-system option
 | 
						|
.\" post-system option: mysqlslap
 | 
						|
\fB\-\-post\-system=\fR\fB\fIstr\fR\fR
 | 
						|
.sp
 | 
						|
The string to execute using
 | 
						|
system()
 | 
						|
after the tests have completed\&. This execution is not counted for timing purposes\&. This option was added in MySQL 5\&.1\&.21\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
 | 
						|
.sp -1
 | 
						|
.IP \(bu 2.3
 | 
						|
.\}
 | 
						|
.\" mysqlslap: pre-query option
 | 
						|
.\" pre-query option: mysqlslap
 | 
						|
\fB\-\-pre\-query=\fR\fB\fIvalue\fR\fR
 | 
						|
.sp
 | 
						|
The file or string containing the statement to execute before running the tests\&. This execution is not counted for timing purposes\&. This option was added in MySQL 5\&.1\&.18\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
 | 
						|
.sp -1
 | 
						|
.IP \(bu 2.3
 | 
						|
.\}
 | 
						|
.\" mysqlslap: pre-system option
 | 
						|
.\" pre-system option: mysqlslap
 | 
						|
\fB\-\-pre\-system=\fR\fB\fIstr\fR\fR
 | 
						|
.sp
 | 
						|
The string to execute using
 | 
						|
system()
 | 
						|
before running the tests\&. This execution is not counted for timing purposes\&. This option was added in MySQL 5\&.1\&.21\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
 | 
						|
.sp -1
 | 
						|
.IP \(bu 2.3
 | 
						|
.\}
 | 
						|
.\" mysqlslap: preserve-schema option
 | 
						|
.\" preserve-schema option: mysqlslap
 | 
						|
\fB\-\-preserve\-schema\fR
 | 
						|
.sp
 | 
						|
Preserve the schema from the
 | 
						|
\fBmysqlslap\fR
 | 
						|
run\&. The
 | 
						|
\fB\-\-auto\-generate\-sql\fR
 | 
						|
and
 | 
						|
\fB\-\-create\fR
 | 
						|
options disable this option\&. This option was added in MySQL 5\&.1\&.5 and removed in MySQL 5\&.1\&.23\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
 | 
						|
.sp -1
 | 
						|
.IP \(bu 2.3
 | 
						|
.\}
 | 
						|
.\" mysqlslap: protocol option
 | 
						|
.\" protocol option: mysqlslap
 | 
						|
\fB\-\-protocol={TCP|SOCKET|PIPE|MEMORY}\fR
 | 
						|
.sp
 | 
						|
The connection protocol to use for connecting to the server\&. It is useful when the other connection parameters normally would cause a protocol to be used other than the one you want\&. For details on the permissible values, see
 | 
						|
Section\ \&4.2.2, \(lqConnecting to the MySQL Server\(rq\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
 | 
						|
.sp -1
 | 
						|
.IP \(bu 2.3
 | 
						|
.\}
 | 
						|
.\" mysqlslap: query option
 | 
						|
.\" query option: mysqlslap
 | 
						|
\fB\-\-query=\fR\fB\fIvalue\fR\fR,
 | 
						|
\fB\-q \fR\fB\fIvalue\fR\fR
 | 
						|
.sp
 | 
						|
The file or string containing the
 | 
						|
SELECT
 | 
						|
statement to use for retrieving data\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
 | 
						|
.sp -1
 | 
						|
.IP \(bu 2.3
 | 
						|
.\}
 | 
						|
.\" mysqlslap: silent option
 | 
						|
.\" silent option: mysqlslap
 | 
						|
\fB\-\-silent\fR,
 | 
						|
\fB\-s\fR
 | 
						|
.sp
 | 
						|
Silent mode\&. No output\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
 | 
						|
.sp -1
 | 
						|
.IP \(bu 2.3
 | 
						|
.\}
 | 
						|
.\" mysqlslap: slave option
 | 
						|
.\" slave option: mysqlslap
 | 
						|
\fB\-\-slave\fR
 | 
						|
.sp
 | 
						|
Follow master locks for other
 | 
						|
\fBmysqlslap\fR
 | 
						|
clients\&. Use this option if you are trying to synchronize around one master server with
 | 
						|
\fB\-\-lock\-directory\fR
 | 
						|
plus NFS\&. This option was added in MySQL 5\&.1\&.5 and removed in 5\&.1\&.18\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
 | 
						|
.sp -1
 | 
						|
.IP \(bu 2.3
 | 
						|
.\}
 | 
						|
.\" mysqlslap: socket option
 | 
						|
.\" socket option: mysqlslap
 | 
						|
\fB\-\-socket=\fR\fB\fIpath\fR\fR,
 | 
						|
\fB\-S \fR\fB\fIpath\fR\fR
 | 
						|
.sp
 | 
						|
For connections to
 | 
						|
localhost, the Unix socket file to use, or, on Windows, the name of the named pipe to use\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
 | 
						|
.sp -1
 | 
						|
.IP \(bu 2.3
 | 
						|
.\}
 | 
						|
.\" mysqlslap: SSL options
 | 
						|
.\" SSL options: mysqlslap
 | 
						|
\fB\-\-ssl*\fR
 | 
						|
.sp
 | 
						|
Options that begin with
 | 
						|
\fB\-\-ssl\fR
 | 
						|
specify whether to connect to the server using SSL and indicate where to find SSL keys and certificates\&. See
 | 
						|
Section\ \&6.3.6.4, \(lqSSL Command Options\(rq\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
 | 
						|
.sp -1
 | 
						|
.IP \(bu 2.3
 | 
						|
.\}
 | 
						|
.\" mysqlslap: use-threads option
 | 
						|
.\" use-threads option: mysqlslap
 | 
						|
\fB\-\-use\-threads\fR
 | 
						|
.sp
 | 
						|
On Unix, the default is to use
 | 
						|
fork()
 | 
						|
calls and this option causes
 | 
						|
\fBpthread\fR
 | 
						|
calls to be used instead\&. (On Windows, the default is to use
 | 
						|
pthread
 | 
						|
calls and the option has no effect\&.) This option was added in MySQL 5\&.1\&.6 and removed in 5\&.1\&.18\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
 | 
						|
.sp -1
 | 
						|
.IP \(bu 2.3
 | 
						|
.\}
 | 
						|
.\" mysqlslap: user option
 | 
						|
.\" user option: mysqlslap
 | 
						|
\fB\-\-user=\fR\fB\fIuser_name\fR\fR,
 | 
						|
\fB\-u \fR\fB\fIuser_name\fR\fR
 | 
						|
.sp
 | 
						|
The MySQL user name to use when connecting to the server\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
 | 
						|
.sp -1
 | 
						|
.IP \(bu 2.3
 | 
						|
.\}
 | 
						|
.\" mysqlslap: verbose option
 | 
						|
.\" verbose option: mysqlslap
 | 
						|
\fB\-\-verbose\fR,
 | 
						|
\fB\-v\fR
 | 
						|
.sp
 | 
						|
Verbose mode\&. Print more information about what the program does\&. This option can be used multiple times to increase the amount of information\&.
 | 
						|
.RE
 | 
						|
.sp
 | 
						|
.RS 4
 | 
						|
.ie n \{\
 | 
						|
\h'-04'\(bu\h'+03'\c
 | 
						|
.\}
 | 
						|
.el \{\
 | 
						|
.sp -1
 | 
						|
.IP \(bu 2.3
 | 
						|
.\}
 | 
						|
.\" mysqlslap: version option
 | 
						|
.\" version option: mysqlslap
 | 
						|
\fB\-\-version\fR,
 | 
						|
\fB\-V\fR
 | 
						|
.sp
 | 
						|
Display version information and exit\&.
 | 
						|
.RE
 | 
						|
.SH "COPYRIGHT"
 | 
						|
.br
 | 
						|
.PP
 | 
						|
Copyright \(co 1997, 2013, Oracle and/or its affiliates. All rights reserved.
 | 
						|
.PP
 | 
						|
This documentation is free software; you can redistribute it and/or modify it only under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License.
 | 
						|
.PP
 | 
						|
This documentation is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 | 
						|
.PP
 | 
						|
You should have received a copy of the GNU General Public License along with the program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or see http://www.gnu.org/licenses/.
 | 
						|
.sp
 | 
						|
.SH "SEE ALSO"
 | 
						|
For more information, please refer to the MySQL Reference Manual,
 | 
						|
which may already be installed locally and which is also available
 | 
						|
online at http://dev.mysql.com/doc/.
 | 
						|
.SH AUTHOR
 | 
						|
Oracle Corporation (http://dev.mysql.com/).
 |