HarshMehta112 opened a new pull request, #3478:
URL: https://github.com/apache/dubbo-go/pull/3478
Fixes #3453
### Description
#### 6. Forking cluster cancels losing parallel branches
`cluster/cluster/forking/cluster_invoker.go`
Losing parallel invocations ran to completion after the winner returned,
wasting downstream
work. Derived a cancelable `forkCtx`; `defer cancel()` stops sibling
requests as soon as the
first accepted result wins.
### Tests
- `TestForkingInvokeCancelsLosingBranches` — loser branch ctx canceled
after winner succeeds
### Checklist
- [x] I confirm the target branch is `develop`
- [x] Code has passed local testing
- [x] I have added tests that prove my fix is effective or that my feature
works
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