Execution view ​

The execution view appears when you launch a workflow or task or select an already completed execution (in, for example, the execution list).

An execution represents a single run of all or part of a workflow (including sub-workflows and individual tasks).

Note

An execution usually represents the run of an entire workflow. But, because workflows are composed of tasks (and sometimes sub-workflows) and Flyte caches the outputs of those independently of the workflows in which they participate, it sometimes makes sense to execute a task or sub-workflow independently.

The execution view provides a lot of detailed information about the execution:

In the top bar:

  • Breadcrumb showing:
    • Project: Select the drop down to choose a different project.
    • Domain: Select the drop down to choose a different project.
    • Type of entity (workflow or task): Select the drop down to switch entity types (executions and launch plans are the other two possibilities).
    • Workflow or task name: Select the drop down to see the current version or select a different one.
    • ID of this specific execution: Select the drop down choose a different one.
  • Status badge: One of QUEUED, RUNNING, SUCCEEDED, FAILED or UNKNOWN.
  • View Inputs & Outputs link.
  • Relaunch button.

Below the top bar, details on the execution (domain, cluster, time, etc.) are displayed:

And below that, three tabs provide access to the Nodes, Graph, and Timeline views:

Nodes ​

The default tab within the execution view is the Nodes tab. It shows a list of the Flyte nodes that make up this execution (A node in Flyte is either a task or a (sub-)workflow):

Selecting an item in the list opens the right panel showing more details of that specific node:

Within the right panel, we can see

  • Node ID: n0
  • Task name: workflows.diffuse.start_process
  • Success status: SUCCEEDED
  • Caching status: Caching was disabled for this execution
  • Type: Python Task
  • Rerun button

Below that, you have the tabs Executions, Inputs, Outputs, and Task.

Executions ​

This tab gives you details on the execution of this particular node.

Task level monitoring ​

You can access the task-level monitoring information by selecting View Utilization.

Logs ​

You can access logs by clicking the text under Logs. In AWS-based systems this will say CloudWatch Logs. In GCP-based system this will say StackDriver Logs. See Logging.

Inputs ​

This tab displays the input to this node.:

Outputs ​

This tab displays the output of this node:

Task ​

If this node is Task (as opposed to a sub-workflow) this tab displays the Task definition:

Graph ​

The Graph tab displays a visual representation of the execution as a directed acyclic graph:

Timeline ​

The Timeline tab displays a visualization showing the timing of each task in the execution: