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[ruby] Optimizations for massive improvement in SQL statements and CPU use - #1566

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brandur wants to merge 6 commits into

brandur-ruby-drain-scaling

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[ruby] Optimizations for massive improvement in SQL statements and CPU use#1566
brandur wants to merge 6 commits into
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brandur-ruby-drain-scaling

Commits on Oct 30, 2026
- [ruby] don't lease Active Record connections to job threads
  
  authored and
  brandur
  committed
  05360b4
- [ruby] Keep maintenance error backoff separate from producers
  
  authored and
  brandur
  committed
  8aca9b9
- [ruby] return job rows from claim and finish updates
  
  authored and
  brandur
  committed
  233a231
- [ruby] Adapt connection borrowing to the current runtime
  brandur
  committed
  3f02b5a
- [ruby] Add a reproducible Active Job drain benchmark
  brandur
  committed
  f47cb5e
Commits on Oct 31, 2026
- [ruby] Consolidate drain optimization changelog entry
  brandur
  committed
  66e5c0a