kumo.set_qmaint_threads(N)

Since: Version 2024.09.02-c5476b89

The functionality described in this section requires version 2024.09.02-c5476b89 of KumoMTA, or a more recent version.

Sets the number of threads to be used for the qmaint thread pool. This thread pool is used to perform queue maintenance operations.

The default number of threads is computed using some unspecified fraction of the available parallelism on the running system, and is shown in the journal on startup.

kumo.on('pre_init', function()
  kumo.set_qmaint_threads(12)
end)

Note

The qmaint used to perform maintenance of a mixture of both scheduled and ready queue tasks, but now is used only for scheduled queue maintenance. The ready queue maintenance is carried out by the ready_qmaint thread pool. (Since: Dev Builds Only)