Optimise paused runners (!19946) · Merge requests · GitLab.org / GitLab FOSS · GitLab

Kamil Trzciński requested to merge optimise-paused-runners into master Jun 17, 2018

What does this MR do?

Greatly optimize the job/request endpoint by reducing the amount of requests received by this endpoint.

Currently, paused runners generate a request every 3s, which causes a significant load and congestion on handling CI.

This MR makes paused runners to use update change, something that is being actively used by running runners.

Does this MR meet the acceptance criteria?

Changelog entry added, if necessary
Tests added for this feature/bug
Conform by the code review guidelines
- Has been reviewed by a Backend maintainer
Conform by the merge request performance guides
Conform by the style guides

What are the relevant issue numbers?

Related to https://gitlab.com/gitlab-org/gitlab-ce/issues/46499