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'\" t .\" .TH "\FBMYSQLDUMPSLOW\FR" "1" "14/12/2015" "MariaDB 10\&.1" "MariaDB Database System" .\" ----------------------------------------------------------------- .\" * set default formatting .\" ----------------------------------------------------------------- .\" disable hyphenation .nh .\" disable justification (adjust text to left margin only) .ad l .\" ----------------------------------------------------------------- .\" * MAIN CONTENT STARTS HERE * .\" ----------------------------------------------------------------- .\" mysqldumpslow .SH "NAME" mysqldumpslow \- Summarize slow query log files .SH "SYNOPSIS" .HP \w'\fBmysqldumpslow\ [\fR\fBoptions\fR\fB]\ [\fR\fB\fIlog_file\fR\fR\fB\ \&.\&.\&.]\fR\ 'u \fBmysqldumpslow [\fR\fBoptions\fR\fB] [\fR\fB\fIlog_file\fR\fR\fB \&.\&.\&.]\fR .SH "DESCRIPTION" .PP The MariaDB slow query log contains information about queries that take a long time to execute\&. \fBmysqldumpslow\fR parses MariaDB slow query log files and prints a summary of their contents\&. .PP Normally, \fBmysqldumpslow\fR groups queries that are similar except for the particular values of number and string data values\&. It \(lqabstracts\(rq these values to N and \'S\' when displaying summary output\&. The \fB\-a\fR and \fB\-n\fR options can be used to modify value abstracting behavior\&. .PP Invoke \fBmysqldumpslow\fR like this: .sp .if n \{\ .RS 4 .\} .nf shell> \fBmysqldumpslow [\fR\fB\fIoptions\fR\fR\fB] [\fR\fB\fIlog_file\fR\fR\fB \&.\&.\&.]\fR .fi .if n \{\ .RE .\} .PP \fBmysqldumpslow\fR supports the following options\&. .sp .RS 4 .ie n \{\ \h'-04'\(bu\h'+03'\c .\} .el \{\ .sp -1 .IP \(bu 2.3 .\} .\" mysqldumpslow: help option .\" help option: mysqldumpslow \fB\-\-help\fR .sp Display a help message and exit\&. .RE .sp .RS 4 .ie n \{\ \h'-04'\(bu\h'+03'\c .\} .el \{\ .sp -1 .IP \(bu 2.3 .\} \fB\-a\fR .sp Do not abstract all numbers to N and strings to \'S\'\&. .RE .sp .RS 4 .ie n \{\ \h'-04'\(bu\h'+03'\c .\} .el \{\ .sp -1 .IP \(bu 2.3 .\} .\" mysqldumpslow: debug option .\" debug option: mysqldumpslow \fB\-\-debug\fR, \fB\-d\fR .sp Run in debug mode\&. .RE .sp .RS 4 .ie n \{\ \h'-04'\(bu\h'+03'\c .\} .el \{\ .sp -1 .IP \(bu 2.3 .\} \fB\-g \fR\fB\fIpattern\fR\fR .sp Consider only queries that match the (\fBgrep\fR\-style) pattern\&. .RE .sp .RS 4 .ie n \{\ \h'-04'\(bu\h'+03'\c .\} .el \{\ .sp -1 .IP \(bu 2.3 .\} \fB\-h \fR\fB\fIhost_name\fR\fR .sp Host name of MariaDB server for *\-slow\&.log file name\&. The value can contain a wildcard\&. The default is * (match all)\&. .RE .sp .RS 4 .ie n \{\ \h'-04'\(bu\h'+03'\c .\} .el \{\ .sp -1 .IP \(bu 2.3 .\} \fB\-i \fR\fB\fIname\fR\fR .sp Name of server instance (if using \fBmysql\&.server\fR startup script)\&. .RE .sp .RS 4 .ie n \{\ \h'-04'\(bu\h'+03'\c .\} .el \{\ .sp -1 .IP \(bu 2.3 .\} \fB\-l\fR .sp Do not subtract lock time from total time\&. .RE .sp .RS 4 .ie n \{\ \h'-04'\(bu\h'+03'\c .\} .el \{\ .sp -1 .IP \(bu 2.3 .\} \fB\-n \fR\fB\fIN\fR\fR .sp Abstract numbers with at least \fIN\fR digits within names\&. .RE .sp .RS 4 .ie n \{\ \h'-04'\(bu\h'+03'\c .\} .el \{\ .sp -1 .IP \(bu 2.3 .\} \fB\-r\fR .sp Reverse the sort order\&. .RE .sp .RS 4 .ie n \{\ \h'-04'\(bu\h'+03'\c .\} .el \{\ .sp -1 .IP \(bu 2.3 .\} \fB\-s \fR\fB\fIsort_type\fR\fR .sp How to sort the output\&. The value of \fIsort_type\fR should be chosen from the following list: .sp .RS 4 .ie n \{\ \h'-04'\(bu\h'+03'\c .\} .el \{\ .sp -1 .IP \(bu 2.3 .\} t, at: Sort by query time or average query time .RE .sp .RS 4 .ie n \{\ \h'-04'\(bu\h'+03'\c .\} .el \{\ .sp -1 .IP \(bu 2.3 .\} l, al: Sort by lock time or average lock time .RE .sp .RS 4 .ie n \{\ \h'-04'\(bu\h'+03'\c .\} .el \{\ .sp -1 .IP \(bu 2.3 .\} s, as: Sort by rows sent or average rows sent .RE .sp .RS 4 .ie n \{\ \h'-04'\(bu\h'+03'\c .\} .el \{\ .sp -1 .IP \(bu 2.3 .\} c: Sort by count .RE .RE .sp .RS 4 .ie n \{\ \h'-04'\(bu\h'+03'\c .\} .el \{\ .sp -1 .IP \(bu 2.3 .\} \fB\-t \fR\fB\fIN\fR\fR .sp Display only the first \fIN\fR queries in the output\&. .RE .sp .RS 4 .ie n \{\ \h'-04'\(bu\h'+03'\c .\} .el \{\ .sp -1 .IP \(bu 2.3 .\} .\" mysqldumpslow: verbose option .\" verbose option: mysqldumpslow \fB\-\-verbose\fR, \fB\-v\fR .sp Verbose mode\&. Print more information about what the program does\&. .RE .PP Example of usage: .sp .if n \{\ .RS 4 .\} .nf shell> \fBmysqldumpslow\fR Reading mysql slow query log from /usr/local/mysql/data/mysqld51\-apple\-slow\&.log Count: 1 Time=4\&.32s (4s) Lock=0\&.00s (0s) Rows=0\&.0 (0), root[root]@localhost insert into t2 select * from t1 Count: 3 Time=2\&.53s (7s) Lock=0\&.00s (0s) Rows=0\&.0 (0), root[root]@localhost insert into t2 select * from t1 limit N Count: 3 Time=2\&.13s (6s) Lock=0\&.00s (0s) Rows=0\&.0 (0), root[root]@localhost insert into t1 select * from t1 .fi .if n \{\ .RE .\} .SH "COPYRIGHT" .br .PP Copyright 2007-2008 MySQL AB, 2008-2010 Sun Microsystems, Inc., 2010-2015 MariaDB Foundation .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 MariaDB Knowledge Base, available online at https://mariadb.com/kb/ .SH AUTHOR MariaDB Foundation (http://www.mariadb.org/).