[parshimers]

What changes were proposed in this PR?

If this limit is too low, the merge queue can enter a starvation loop where every job times out if runners are simply busy. Raising the limit stops this.

Any related issues, documentation, discussions?

Closes #9095 and https://issues.apache.org/jira/browse/INFRA-28569

How was this PR tested?

It wasn't; it's specific to ASF infra. I got the idea from a helpful hint from Andrew Lamb of DataFusion.

Was this PR authored or co-authored using generative AI tooling?

No

[github-actions]

Automated Reviewer Suggestions

Based on the git blame history of the changed files, we recommend the following reviewers:

• Contributors with relevant context: @mengw15
  You can notify them by mentioning @mengw15 in a comment.

[aglinxinyuan]

LGTM!
We need to find a way to merge #9064 first.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 92.33%. Comparing base (3ba45ee) to head (8158310).

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #9096   +/-   ##
=========================================
  Coverage     92.33%   92.33%           
  Complexity     5045     5045           
=========================================
  Files          1261     1261           
  Lines         54120    54120           
  Branches       6768     6768           
=========================================
  Hits          49973    49973           
  Misses         2486     2486           
  Partials       1661     1661           

Flag	Coverage Δ		*Carryforward flag
access-control-service	77.38% <ø> (ø)		Carriedforward from 3ba45ee
agent-service	99.16% <ø> (ø)
amber	87.31% <ø> (ø)		Carriedforward from 3ba45ee
computing-unit-managing-service	60.48% <ø> (ø)		Carriedforward from 3ba45ee
config-service	87.37% <ø> (ø)		Carriedforward from 3ba45ee
file-service	82.00% <ø> (ø)		Carriedforward from 3ba45ee
frontend	96.55% <ø> (ø)
notebook-migration-service	83.73% <ø> (ø)		Carriedforward from 3ba45ee
pyamber	98.57% <ø> (ø)
workflow-compiling-service	72.43% <ø> (ø)		Carriedforward from 3ba45ee

*This pull request uses carry forward flags. Click here to find out more.

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[aglinxinyuan]

@parshimers do you have permission to force merge this one? I don't think we can merge any PR without this.

[aglinxinyuan]

@parshimers I combined this with #9064 in #9100 — your commit is cherry-picked as-is (authorship kept), since this PR can't pass the Scala checks without the setup-sbt bump. #9100's own merge group still runs under the 45-minute limit until the .asf.yaml change is on main, so we still need Infra to raise the timeout on the ruleset directly (INFRA-28569) or merge #9100 for us.

[parshimers]

Sounds good. I do think we have to do something to force it in assuming the runner starvation stays like this for any longer. I am talking with infra about it. Either I might be given permission to, or they may do it for us.