Debugging Options in mysqldump

The mysqldump command in MySQL is used for creating backups of databases. It allows for various options to be specified to customize the backup process. One such option is -#, --debug[=#], which falls under the category of Debugging Options in mysqldump.

The --debug[=#] option enables debugging output during the execution of mysqldump. The optional parameter =# specifies the debug level. Here are some examples illustrating its usage:

Example 1: Running mysqldump with debug level 1.
mysqldump --debug=1 your_database > output.sql

Explanation: This command enables debug output at level 1, which typically includes basic information about the dump process. The output is redirected to output.sql.

Example 2: Enabling full debugging output.
mysqldump --debug your_database > output.sql

Explanation: Here, the --debug option without a level parameter activates full debugging output. This includes extensive details about each step of the dump process, which can be useful for troubleshooting or understanding the dump mechanism.

Example 3: Using debug level 2 for more detailed information.
mysqldump --debug=2 your_database > output.sql

Explanation: Specifying --debug=2 increases the verbosity of the debug output, providing even more detailed information than level 1.

To verify if the mysqldump command executed successfully and the debug option worked as intended, you can:

1. Check the existence and size of the output.sql file to ensure it was created.
2. Inspect the contents of output.sql to see if the debug information is present.
3. Review any console output from mysqldump itself for debug-related messages.

Also check similar articles.

Dump Multiple Databases with mysqldump
Including MySQL Specific Create Options in mysqldump
Using Compression in mysqldump Output
Using Complete INSERT Statements in mysqldump
Generating Compact Output in mysqldump