Scale processing of "on-success", "on-error" and "on-complete"

Registered by Oleg Ovcharuk on 2019-06-05

When it comes to processing big "on-success", "on-error" and "on-complete" clauses of direct Mistral workflows, Mistral doesn't scale it which leads to having one engine busy for a long time (sometimes ~ maximum duration of a DB transaction) while others not doing anything.

In order to fix this problem, we may try to use the state WAITING not only for "join" tasks but also for tasks that have been created but not processed yet (not created all inputs, actions etc.)

Blueprint information

Status:
Started
Approver:
Renat Akhmerov
Priority:
High
Drafter:
Oleg Ovcharuk
Direction:
Approved
Assignee:
Artem Lapin
Definition:
Approved
Series goal:
Accepted for ussuri
Implementation:
Needs Code Review
Milestone target:
milestone icon victoria-rc2
Started by
Renat Akhmerov on 2019-09-05

Related branches

Sprints

Whiteboard

Gerrit topic: https://review.opendev.org/#/q/topic:bp/mistral-scale-on-clause

Addressed by: https://review.opendev.org/730734
    WIP: scale "on-XXX" clauses

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