Why do I get an unknown error when a loop runs many times?
The number of tasks registered in the workflow queue is limited to 1,000. In a loop, tasks are registered in the queue by subtask. To avoid this error, divide the tasks into smaller loops.
Can I send aggregated workflow results by email?
You cannot attach files via email; however, you can export partial results into the body of an email.
Can I rename a workflow?
No. An alternative is to delete the workflow and recreate it with a different name.
Is there a limit to the number of dependent workflows in a parent workflow?
Because the TD console provides visibility into all dependent workflows associated with a parent workflow, you should try to limit the dependent workflows to less than 40.
Can I automatically stop a workflow schedule?
Yes. Workflows with a start date and end date provide flexible scheduling capabilities and eliminate wasted computer resources for any unnecessary dummy workflow running.
When Treasure Data receives a request to run a workflow, it automatically creates a session, an advanced plan to run the workflow, in contrast to an attempt, which is the actual attempt to run the workflow at a scheduled time.
Actual: “Apr 28, 2022 10:35 pm”
Expected: “Apr 27, 2022 10:35 pm”
- The session time is the plan to run the workflow, while the scheduled time is the time when the attempt to run the workflow is made.
- For daily scheduled workflows, the session time is the run day's zeroth hour, i.e. YYYY:MM:DD 00:00:00.
- For hourly scheduled workflows, the session time is the hour's zeroth minute, i.e. HH:00:00.
If the system clock at this time is: 2022-04-27 14:20:10 +0900.
First session time
First scheduled to run at
2022-04-27 14:00:00 +0900
2022-04-27 14:32:32 +0900
2022-04-28 00:00:00 +0900
2022-04-28 10:32:32 +0900
2022-04-29 00:00:00 +0900
2022-04-29 10:32:32 +090
2022-05-02 00:00:00 +0900
2022-05-02 10:32:32 +0900