perf: increase instance number of dws prod
What does this merge request do and why?
This MR doubles the instance size of DWS prod and decrease the max concurrency by half in terms of gitlab-org&19747. We monitor if this change improves the error rate of DWS requests. We might revert this change tomorrow if we don't see an improvement for a day.
How to set up and validate locally
Numbered steps to set up and validate the change are strongly suggested.
Merge request checklist
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Tests added for new functionality. If not, please raise an issue to follow up. -
Documentation added/updated, if needed. -
If this change requires executor implementation: verified that issues/MRs exist for both Go executor and Node executor or confirmed that changes are backward-compatible and don't break existing executor functionality.
Edited by Shinya Maeda