mysqldumpslow(1)

1MYSQLDUMPSLOW(1)             MySQL Database System            MYSQLDUMPSLOW(1)
2
3
4

NAME

6       mysqldumpslow - Summarize slow query log files
7

SYNOPSIS

9       mysqldumpslow [options] [log_file ...]
10

DESCRIPTION

12       The MySQL slow query log contains information about queries that take a
13       long time to execute (see Section 5.2.5, “The Slow Query Log”).
14       mysqldumpslow parses MySQL slow query log files and prints a summary of
15       their contents.
16
17       Normally, mysqldumpslow groups queries that are similar except for the
18       particular values of number and string data values. It “abstracts”
19       these values to N and ´S´ when displaying summary output. The -a and -n
20       options can be used to modify value abstracting behavior.
21
22       Invoke mysqldumpslow like this:
23
24           shell> mysqldumpslow [options] [log_file ...]
25
26       mysqldumpslow supports the following options.
27
28       ·   --help
29
30           Display a help message and exit.
31
32       ·   -a
33
34           Do not abstract all numbers to N and strings to ´S´.
35
36       ·   --debug, -d
37
38           Run in debug mode.
39
40       ·   -g pattern
41
42           Consider only queries that match the (grep-style) pattern.
43
44       ·   -h host_name
45
46           Host name of MySQL server for *-slow.log file name. The value can
47           contain a wildcare. The default is * (match all).
48
49       ·   -i name
50
51           Name of server instance (if using mysql.server startup script).
52
53       ·   -l
54
55           Do not subtract lock time from total time.
56
57       ·   -n N
58
59           Abstract numbers with at least N digits within names.
60
61       ·   -r
62
63           Reverse the sort order.
64
65       ·   -s sort_type
66
67           How to sort the output. The value of sort_type should be chosen
68           from the following list:
69
70           ·   t, at: Sort by query time or average query time
71
72           ·   l, al: Sort by lock time or average lock time
73
74           ·   s, as: Sort by rows sent or average rows sent
75
76           ·   c: Sort by count
77
78       ·   -t N
79
80           Display only the first N queries in the output.
81
82       ·   --verbose, -v
83
84           Verbose mode. Print more information about what the program does.
85
86       Example of usage:
87
88           shell> mysqldumpslow
89           Reading mysql slow query log from /usr/local/mysql/data/mysqld51-apple-slow.log
90           Count: 1  Time=4.32s (4s)  Lock=0.00s (0s)  Rows=0.0 (0), root[root]@localhost
91            insert into t2 select * from t1
92           Count: 3  Time=2.53s (7s)  Lock=0.00s (0s)  Rows=0.0 (0), root[root]@localhost
93            insert into t2 select * from t1 limit N
94           Count: 3  Time=2.13s (6s)  Lock=0.00s (0s)  Rows=0.0 (0), root[root]@localhost
95            insert into t1 select * from t1
96

COPYRIGHT

98       Copyright 2007-2008 MySQL AB, 2008-2010 Sun Microsystems, Inc.
99
100       This documentation is free software; you can redistribute it and/or
101       modify it only under the terms of the GNU General Public License as
102       published by the Free Software Foundation; version 2 of the License.
103
104       This documentation is distributed in the hope that it will be useful,
105       but WITHOUT ANY WARRANTY; without even the implied warranty of
106       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
107       General Public License for more details.
108
109       You should have received a copy of the GNU General Public License along
110       with the program; if not, write to the Free Software Foundation, Inc.,
111       51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or see
112       http://www.gnu.org/licenses/.
113
114

AUTHOR

121       Sun Microsystems, Inc. (http://www.mysql.com/).
122
123
124
125MySQL 5.1                         04/06/2010                  MYSQLDUMPSLOW(1)

NAME

SYNOPSIS

DESCRIPTION

COPYRIGHT

SEE ALSO

AUTHOR