Pausing mysql-test-run.pl

Sometimes you need to work when your computer is busy running mysql-test-run.pl. The mysql-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 mysql-test-run.pl indirectly (i.e from a script or program such as buildbot) you can set MTR_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 <code>MTR_STOP_KEEP_ALIVE</code> environment variable or the <code>--stop-keep-alive</code> command-line option with a value in seconds. This will make the script print messages to whatever program is calling mysql-test-run.pl at the interval you set to prevent timeouts.

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

The mysql-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 mysql-test-run. When enabled via the command-line or environment variable options, mysql-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:

mysql-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
mysql-test-run.pl

Fixes

The following mysql-test-run bugs have been fixed in MariaDB 5.1:

  • Windows: mysql-test-run --log-error fixed to not add --console.
  • mysql-test-run sometimes terminated mysqld early, causing loss of memory leak error reports from Valgrind and GCov test coverage output

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