Pausing mariadb-test-run.pl

Sometimes you need to work when your computer is busy running mariadb-test-run.pl. The mariadb-test-run.pl script allows you to stop it temporarily so you can use your computer and then restart the tests when you're ready.

There are two ways to enable this:

1. Command-line: The --stop-file and--stop-keep-alive options.

2. Environment Variables: If you are calling mariadb-test-run.pl indirectly (i.e from a script or program such as buildbot) you can setMTR_STOP_FILE and MTR_STOP_KEEP_ALIVE.

Keep Alive

If you plan on using this feature with other programs, such as buildbot, you should set the MTR_STOP_KEEP_ALIVE environment variable or the --stop-keep-alive command line option with a value in seconds. This will make the script print messages to whatever program is calling mariadb-test-run.pl at the interval you set to prevent timeouts.

If you are calling mariadb-test-run.pl directly, you do not need to specify a timeout.

The mariadb-test-run Stop File

The stop file is a temporary file that you create on your system when you want to pause the execution of mariadb-test-run. When enabled via the command line or environment variable options, mariadb-test-run will periodically check for the existence of the file and if it exists it will stop until the file is no longer present.

Examples

Command-line:

mariadb-test-run.pl --stop-file="/path/to/stop/file" --stop-keep-alive=120

Environment Variables:

export MTR_STOP_FILE="/path/to/stop/file"
export MTR_STOP_KEEP_ALIVE=120
mariadb-test-run.pl

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