Managing Parallel Builds

Since 1.3.1, Continuum can be configured to checkout and build projects in parallel or concurrently.

Configuring Parallel Builds

The number of build queues to be used when checking out or building projects can be configured in the Configuration page, via the Number of Allowed Builds in Parallel field (see Managing General Configuration). The value should be greater than one (1) to be able to create a build queue aside from the default.

Another thing to note is that if Distributed Builds is enabled, Parallel Builds is automatically disabled. To make it short, you're only allowed to use one of these functionalities at a time in the current implementation.

Adding a Build Queue

By default, there is already a DEFAULT_BUILD_QUEUE that cannot be deleted configured in Continuum. To add more build queues..

Click the Build Queue link under the Administration section.

Build Queue

You will see all the build queues.

Build Queues list

Here you can add/delete the build queue. Take note that you would only be allowed to create N number of build queues, where N = the Number of Allowed Builds in Parallel set in the Configuration page.

Input the name for the build queue and save.

Add Parallel Build Queue

Attaching Build Queues to a Schedule

Build queues can be attached to a schedule. When a build is triggered, Continuum gets the build queues attached to the build definition's associated schedule. The project build will then be queued to the build queue with the least number of tasks.

To attach build queues to a schedule:

  1. Click the Schedules link under the Administration section. From the schedules list page, create a new schedule or edit an existing one.
  2. In the Add Build Queue field, move build queues from the left hand list box to the right hand list box by clicking the appropriate buttons in between the two list boxes. All build queues on the right hand list box will be attached to the schedule when you click Save.Edit Schedule

Viewing Checkouts and Builds in Queues

Current checkouts and builds, and all other projects queued in the checkout and build queues can be viewed in the Queues page. These executing and queued tasks can also be cancelled by clicking the corresponding Cancel icons for each task. Multiple-cancel is also supported.



Below are some feature limitations for the current implementation:

  1. Project groups cannot be built multiple times simulateously.
  2. Concurrent build of inter-dependent projects in a group is not yet supported.