---
name: "myisamlog"
section: "1"
platform: "linux"
package: "mariadb"
version: "13.0.2-2"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/myisamlog"
---

# myisamlog(1)

display MyISAM log file contents

## NAME

myisamlog - display MyISAM log file contents

## SYNOPSIS

**myisamlog \[***options***\] \[***log\_file* **\[***tbl\_name***\] ...\]**

## DESCRIPTION

**myisamlog** processes the contents of a MyISAM log file.

Invoke **myisamlog** like this:

```
shell> myisamlog [options] [log_file [tbl_name] ...]
shell> isamlog [options] [log_file [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 for **myisamlog** and isam.log for **isamlog** 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:

• **-?**, **-I**

Display a help message and exit.

• **-c** *N*

Execute only *N* commands.

• **-f** *N*

Specify the maximum number of open files.

• **-i**

Display extra information before exiting.

• **-o** *offset*

Specify the starting offset.

• **-p** *N*

Remove *N* components from path.

• **-r**

Perform a recovery operation.

• **-R** *record\_pos\_file record\_pos*

Specify record position file and record position.

• **-u**

Perform an update operation.

• **-v**

Verbose mode. Print more output about what the program does. This option can be given multiple times to produce more and more output.

• **-w** *write\_file*

Specify the write file.

• **-V**

Display version information.

## COPYRIGHT

Copyright 2007-2008 MySQL AB, 2008-2010 Sun Microsystems, Inc., 2010-2025 MariaDB Foundation

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 02110-1335 USA or see http://www.gnu.org/licenses/.

## SEE ALSO

For more information, please refer to the MariaDB Documentation, available online at https://mariadb.com/docs/

## AUTHOR

MariaDB Foundation (http://www.mariadb.org/).