|
1022.2.25
by Monty Taylor
Imported manpages for the things we ship. Started to edit the names of thing. Changed the port/password options in the drizzle.1 manpage. |
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.\" Title: \fBmysqlslap\fR |
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.\" Author: |
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.\" Generator: DocBook XSL Stylesheets v1.70.1 <http://docbook.sf.net/> |
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.\" Date: 05/23/2009 |
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.\" Manual: MySQL Database System |
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.\" Source: MySQL 6.0 |
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.\" |
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.TH "\fBMYSQLSLAP\fR" "1" "05/23/2009" "MySQL 6.0" "MySQL Database System" |
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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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.SH "NAME" |
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mysqlslap \- load emulation client
|
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.SH "SYNOPSIS" |
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.HP 20 |
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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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.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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.RS 3n |
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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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.RE
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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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.TP 3n |
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1. |
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Create schema, table, and optionally any stored programs or data you want to using for the test. This stage uses a single client connection. |
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.TP 3n |
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2. |
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Run the load test. This stage can use many client connections. |
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.TP 3n |
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3. |
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Clean up (disconnect, drop table if specified). This stage uses a single client connection. |
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.sp
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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: |
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.sp
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.RS 3n |
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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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.RE
|
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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's schema and data): |
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.sp
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.RS 3n |
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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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.RE
|
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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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\fIcreate.sql\fR |
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file has multiple table creation statements delimited by |
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\';'
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and multiple insert statements delimited by |
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\';'. The
|
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\fB\-\-query\fR |
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file will have multiple queries delimited by |
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\';'. 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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.RS 3n |
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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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.RE
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.PP
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\fBmysqlslap\fR |
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supports the options in the following list. It also reads option files and supports the options for processing them described at |
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Section\ 4.2.3.2.1, \(lqCommand\-Line Options that Affect Option\-File Handling\(rq. |
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.TP 3n |
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\(bu
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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. |
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.TP 3n |
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\(bu
|
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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 via command options. |
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.TP 3n |
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\(bu
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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. |
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.TP 3n |
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\(bu
|
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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. |
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.TP 3n |
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\(bu
|
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\fB\-\-auto\-generate\-sql\-guid\-primary\fR |
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.sp
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Add a GUID\-based primary key to automatically generated tables.
|
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.TP 3n |
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\(bu
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\fB\-\-auto\-generate\-sql\-load\-type=\fR\fB\fItype\fR\fR |
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.sp
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Specify the test load type. The allowable values are |
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read |
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(scan tables), |
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write |
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(insert into tables), |
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key |
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(read primary keys), |
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update |
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(update primary keys), or |
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mixed |
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(half inserts, half scanning selects). The default is |
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mixed. |
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.TP 3n |
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\(bu
|
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\fB\-\-auto\-generate\-sql\-secondary\-indexes=\fR\fB\fIN\fR\fR |
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.sp
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Specify how many secondary indexes to add to automatically generated tables. By default, none are added. |
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.TP 3n |
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\(bu
|
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\fB\-\-auto\-generate\-sql\-select\-columns=\fR\fB\fIstr\fR\fR |
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.sp
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The string to use for the select columns used in automatic tests. You can use this to determine the effect on performance of selecting or excluding particular columns. This option was added in MySQL 6.0.3. |
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.TP 3n |
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\(bu
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\fB\-\-auto\-generate\-sql\-unique\-query\-number=\fR\fB\fIN\fR\fR |
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.sp
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How many different queries to generate for automatic tests. For example, if you run a |
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key |
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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. |
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.TP 3n |
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\(bu
|
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\fB\-\-auto\-generate\-sql\-unique\-write\-number=\fR\fB\fIN\fR\fR |
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.sp
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How many different queries to generate for |
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\fB\-\-auto\-generate\-sql\-write\-number\fR. The default is 10. |
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.TP 3n |
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\(bu
|
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\fB\-\-auto\-generate\-sql\-write\-number=\fR\fB\fIN\fR\fR |
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.sp
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How many row inserts to perform on each thread. The default is 100. |
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.TP 3n |
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\(bu
|
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\fB\-\-burnin\fR |
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.sp
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Run the full test case in an infinite loop. This option was added in MySQL 6.0.3. |
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.TP 3n |
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\(bu
|
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\fB\-\-commit=\fR\fB\fIN\fR\fR |
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.sp
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How many statements to execute before committing. The default is 0 (no commits are done). |
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.TP 3n |
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\(bu
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\fB\-\-compress\fR, |
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\fB\-C\fR |
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.sp
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Compress all information sent between the client and the server if both support compression. |
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.TP 3n |
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\(bu
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\fB\-\-concurrency=\fR\fB\fIN\fR\fR, |
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\fB\-c \fR\fB\fIN\fR\fR |
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.sp
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The number of clients to simulate when issuing the |
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SELECT |
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statement. |
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.TP 3n |
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\(bu
|
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\fB\-\-create=\fR\fB\fIvalue\fR\fR |
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.sp
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The file or string containing the statement to use for creating the table. |
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208 |
.TP 3n |
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\(bu
|
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\fB\-\-create\-schema=\fR\fB\fIvalue\fR\fR |
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.sp
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The schema in which to run the tests. |
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.TP 3n |
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\(bu
|
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\fB\-\-csv[=\fR\fB\fIfile_name\fR\fR\fB]\fR |
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.sp
|
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Generate output in comma\-separated values format. The output goes to the named file, or to the standard output if no file is given.
|
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.TP 3n |
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\(bu
|
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\fB\-\-debug[=\fR\fB\fIdebug_options\fR\fR\fB]\fR, |
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\fB\-# [\fR\fB\fIdebug_options\fR\fR\fB]\fR |
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.sp
|
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Write a debugging log. A typical |
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\fIdebug_options\fR |
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string is |
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\'d:t:o,\fIfile_name\fR'. The default is |
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\'d:t:o,/tmp/mysqlslap.trace'.
|
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.TP 3n |
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\(bu
|
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\fB\-\-debug\-check\fR |
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.sp
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Print some debugging information when the program exits. |
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.TP 3n |
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\(bu
|
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\fB\-\-debug\-info\fR, |
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\fB\-T\fR |
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.sp
|
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Print debugging information and memory and CPU usage statistics when the program exits. |
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239 |
.TP 3n |
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\(bu
|
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\fB\-\-delimiter=\fR\fB\fIstr\fR\fR, |
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\fB\-F \fR\fB\fIstr\fR\fR |
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.sp
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The delimiter to use in SQL statements supplied in files or via command options. |
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.TP 3n |
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\(bu
|
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\fB\-\-delayed\-start=\fR\fB\fIN\fR\fR |
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248 |
.sp
|
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The maximum delay in microseconds. Startup of each thread is delayed by a random number of microseconds up to this maximum. The default is 0. This option was added in MySQL 6.0.3. |
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.TP 3n |
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\(bu
|
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\fB\-\-detach=\fR\fB\fIN\fR\fR |
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.sp
|
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Detach (close and reopen) each connection after each |
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\fIN\fR |
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statements. The default is 0 (connections are not detached). |
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.TP 3n |
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\(bu
|
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\fB\-\-engine=\fR\fB\fIengine_name\fR\fR, |
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\fB\-e \fR\fB\fIengine_name\fR\fR |
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.sp
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The storage engine to use for creating tables. |
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.TP 3n |
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\(bu
|
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\fB\-\-host=\fR\fB\fIhost_name\fR\fR, |
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\fB\-h \fR\fB\fIhost_name\fR\fR |
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.sp
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Connect to the MySQL server on the given host. |
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.TP 3n |
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\(bu
|
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\fB\-\-ignore\-sql\-errors\fR |
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.sp
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Ignore SQL errors during the test run. By default, errors cause |
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\fBmysqlslap\fR |
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to exit. This option was added in MySQL 6.0.4. |
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.TP 3n |
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\(bu
|
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\fB\-\-iterations=\fR\fB\fIN\fR\fR, |
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\fB\-i \fR\fB\fIN\fR\fR |
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.sp
|
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281 |
The number of times to run the tests. |
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282 |
.TP 3n |
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283 |
\(bu
|
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\fB\-\-label=\fR\fB\fIstr\fR\fR |
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285 |
.sp
|
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The label to use in printed and CSV output. This option was added in MySQL 6.0.3. |
|
287 |
.TP 3n |
|
288 |
\(bu
|
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\fB\-\-number\-blob\-cols=\fR\fB\fIstr\fR\fR, |
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290 |
.sp
|
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The number of |
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292 |
BLOB |
|
293 |
columns to use if |
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\fB\-\-auto\-generate\-sql\fR |
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295 |
is specified. |
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296 |
\fB\-\-number\-blob\-cols=3:1024/2048\fR |
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297 |
would give you 3 |
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298 |
BLOB |
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299 |
columns with a random size between 1024 and 2048. This option was added in MySQL 6.0.3. |
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300 |
.TP 3n |
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301 |
\(bu
|
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302 |
\fB\-\-number\-char\-cols=\fR\fB\fIN\fR\fR, |
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303 |
\fB\-x \fR\fB\fIN\fR\fR |
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304 |
.sp
|
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305 |
The number of |
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306 |
VARCHAR |
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307 |
columns to use if |
|
308 |
\fB\-\-auto\-generate\-sql\fR |
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309 |
is specified. |
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310 |
.TP 3n |
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311 |
\(bu
|
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312 |
\fB\-\-number\-int\-cols=\fR\fB\fIN\fR\fR, |
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313 |
\fB\-y \fR\fB\fIN\fR\fR |
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314 |
.sp
|
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315 |
The number of |
|
316 |
INT |
|
317 |
columns to use if |
|
318 |
\fB\-\-auto\-generate\-sql\fR |
|
319 |
is specified. |
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320 |
.TP 3n |
|
321 |
\(bu
|
|
322 |
\fB\-\-number\-of\-queries=\fR\fB\fIN\fR\fR |
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323 |
.sp
|
|
324 |
Limit each client to approximately this number of queries. |
|
325 |
.TP 3n |
|
326 |
\(bu
|
|
327 |
\fB\-\-only\-print\fR |
|
328 |
.sp
|
|
329 |
Do not connect to databases. |
|
330 |
\fBmysqlslap\fR |
|
331 |
only prints what it would have done. |
|
332 |
.TP 3n |
|
333 |
\(bu
|
|
334 |
\fB\-\-password[=\fR\fB\fIpassword\fR\fR\fB]\fR, |
|
335 |
\fB\-p[\fR\fB\fIpassword\fR\fR\fB]\fR |
|
336 |
.sp
|
|
337 |
The password to use when connecting to the server. If you use the short option form (\fB\-p\fR), you |
|
338 |
\fIcannot\fR |
|
339 |
have a space between the option and the password. If you omit the |
|
340 |
\fIpassword\fR |
|
341 |
value following the |
|
342 |
\fB\-\-password\fR |
|
343 |
or |
|
344 |
\fB\-p\fR |
|
345 |
option on the command line, you are prompted for one. |
|
346 |
.sp
|
|
347 |
Specifying a password on the command line should be considered insecure. See |
|
348 |
Section\ 5.5.6.2, \(lqEnd\-User Guidelines for Password Security\(rq. |
|
349 |
.TP 3n |
|
350 |
\(bu
|
|
351 |
\fB\-\-pipe\fR, |
|
352 |
\fB\-W\fR |
|
353 |
.sp
|
|
354 |
On Windows, connect to the server via a named pipe. This option applies only for connections to a local server, and only if the server supports named\-pipe connections.
|
|
355 |
.TP 3n |
|
356 |
\(bu
|
|
357 |
\fB\-\-port=\fR\fB\fIport_num\fR\fR, |
|
358 |
\fB\-P \fR\fB\fIport_num\fR\fR |
|
359 |
.sp
|
|
360 |
The TCP/IP port number to use for the connection. |
|
361 |
.TP 3n |
|
362 |
\(bu
|
|
363 |
\fB\-\-post\-query=\fR\fB\fIvalue\fR\fR |
|
364 |
.sp
|
|
365 |
The file or string containing the statement to execute after the tests have completed. This execution is not counted for timing purposes. |
|
366 |
.TP 3n |
|
367 |
\(bu
|
|
368 |
\fB\-\-shared\-memory\-base\-name=\fR\fB\fIname\fR\fR |
|
369 |
.sp
|
|
370 |
On Windows, the shared\-memory name to use, for connections made via shared memory to a local server. This option applies only if the server supports shared\-memory connections. |
|
371 |
.TP 3n |
|
372 |
\(bu
|
|
373 |
\fB\-\-post\-system=\fR\fB\fIstr\fR\fR |
|
374 |
.sp
|
|
375 |
The string to execute via |
|
376 |
system() |
|
377 |
after the tests have completed. This execution is not counted for timing purposes. |
|
378 |
.TP 3n |
|
379 |
\(bu
|
|
380 |
\fB\-\-pre\-query=\fR\fB\fIvalue\fR\fR |
|
381 |
.sp
|
|
382 |
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. |
|
383 |
.TP 3n |
|
384 |
\(bu
|
|
385 |
\fB\-\-pre\-system=\fR\fB\fIstr\fR\fR |
|
386 |
.sp
|
|
387 |
The string to execute via |
|
388 |
system() |
|
389 |
before running the tests. This execution is not counted for timing purposes. |
|
390 |
.TP 3n |
|
391 |
\(bu
|
|
392 |
\fB\-\-preserve\-schema\fR |
|
393 |
.sp
|
|
394 |
Preserve the schema from the |
|
395 |
\fBmysqlslap\fR |
|
396 |
run. The |
|
397 |
\fB\-\-auto\-generate\-sql\fR |
|
398 |
and |
|
399 |
\fB\-\-create\fR |
|
400 |
options disable this option. This option was removed in MySQL 6.0.5. |
|
401 |
.TP 3n |
|
402 |
\(bu
|
|
403 |
\fB\-\-protocol={TCP|SOCKET|PIPE|MEMORY}\fR |
|
404 |
.sp
|
|
405 |
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 allowable values, see |
|
406 |
Section\ 4.2.2, \(lqConnecting to the MySQL Server\(rq. |
|
407 |
.TP 3n |
|
408 |
\(bu
|
|
409 |
\fB\-\-query=\fR\fB\fIvalue\fR\fR, |
|
410 |
\fB\-q \fR\fB\fIvalue\fR\fR |
|
411 |
.sp
|
|
412 |
The file or string containing the |
|
413 |
SELECT |
|
414 |
statement to use for retrieving data. |
|
415 |
.TP 3n |
|
416 |
\(bu
|
|
417 |
\fB\-\-set\-random\-seed=\fR\fB\fIvalue\fR\fR, |
|
418 |
.sp
|
|
419 |
The seed value for the randomizer. |
|
420 |
.TP 3n |
|
421 |
\(bu
|
|
422 |
\fB\-\-silent\fR, |
|
423 |
\fB\-s\fR |
|
424 |
.sp
|
|
425 |
Silent mode. No output. |
|
426 |
.TP 3n |
|
427 |
\(bu
|
|
428 |
\fB\-\-slave\fR |
|
429 |
.sp
|
|
430 |
Follow master locks for other |
|
431 |
\fBmysqlslap\fR |
|
432 |
clients. Use this option if you are trying to synchronize around one master server with |
|
433 |
\fB\-\-lock\-directory\fR |
|
434 |
plus NFS. |
|
435 |
.TP 3n |
|
436 |
\(bu
|
|
437 |
\fB\-\-socket=\fR\fB\fIpath\fR\fR, |
|
438 |
\fB\-S \fR\fB\fIpath\fR\fR |
|
439 |
.sp
|
|
440 |
For connections to |
|
441 |
localhost, the Unix socket file to use, or, on Windows, the name of the named pipe to use. |
|
442 |
.TP 3n |
|
443 |
\(bu
|
|
444 |
\fB\-\-ssl*\fR |
|
445 |
.sp
|
|
446 |
Options that begin with |
|
447 |
\fB\-\-ssl\fR |
|
448 |
specify whether to connect to the server via SSL and indicate where to find SSL keys and certificates. See |
|
449 |
Section\ 5.5.7.3, \(lqSSL Command Options\(rq. |
|
450 |
.TP 3n |
|
451 |
\(bu
|
|
452 |
\fB\-\-timer\-length=\fR\fB\fIN\fR\fR |
|
453 |
.sp
|
|
454 |
The duration in seconds to run each test. Tests that run longer are terminated. This option was added in MySQL 6.0.3. |
|
455 |
.TP 3n |
|
456 |
\(bu
|
|
457 |
\fB\-\-user=\fR\fB\fIuser_name\fR\fR, |
|
458 |
\fB\-u \fR\fB\fIuser_name\fR\fR |
|
459 |
.sp
|
|
460 |
The MySQL user name to use when connecting to the server. |
|
461 |
.TP 3n |
|
462 |
\(bu
|
|
463 |
\fB\-\-verbose\fR, |
|
464 |
\fB\-v\fR |
|
465 |
.sp
|
|
466 |
Verbose mode. Print more information about what the program does. This option can be used multiple times to increase the amount of information. |
|
467 |
.TP 3n |
|
468 |
\(bu
|
|
469 |
\fB\-\-version\fR, |
|
470 |
\fB\-V\fR |
|
471 |
.sp
|
|
472 |
Display version information and exit. |
|
473 |
.SH "COPYRIGHT" |
|
474 |
.PP
|
|
475 |
Copyright 2007\-2008 MySQL AB, 2009 Sun Microsystems, Inc.
|
|
476 |
.PP
|
|
477 |
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. |
|
478 |
.PP
|
|
479 |
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. |
|
480 |
.PP
|
|
481 |
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/.
|
|
482 |
.SH "SEE ALSO" |
|
483 |
For more information, please refer to the MySQL Reference Manual, |
|
484 |
which may already be installed locally and which is also available |
|
485 |
online at http://dev.mysql.com/doc/. |
|
486 |
.SH AUTHOR |
|
487 |
Sun Microsystems, Inc. (http://www.mysql.com/). |