myisamlog [options] [log_file [tbl_name] ...]
myisamlog processes the contents of a MyISAM log file. To create such a
file, start the server with a --log-isam=log_file option.
Invoke myisamlog like this:
shell> myisamlog [options] [file_name [tbl_name] ...]
The default operation is update (-u). If a recovery is done (-r), all
writes and possibly updates and deletes are done and errors are only
counted. The default log file name is myisam.log if no log_file
argument is given. If tables are named on the command line, only those
tables are updated.
myisamlog supports the following options:
o -?, -I
Display a help message and exit.
o -c N
Execute only N commands.
o -f N
Specify the maximum number of open files.
o -F filepath/
Specify the file path with a trailing slash.
Display extra information before exiting.
o -o offset
Specify the starting offset.
o -p N
Remove N components from path.
Perform a recovery operation.
o -R record_pos_file record_pos
Specify the write file.
Display version information.
Copyright (C) 1997, 2018, Oracle and/or its affiliates. All rights
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.
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.
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
For more information, please refer to the MySQL Reference Manual, which
may already be installed locally and which is also available online at
Oracle Corporation (http://dev.mysql.com/).
MySQL 5.5 08/28/2018 MYISAMLOG(1)
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