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fix(tunnel): prevent tunnel backpressure buffering from exhausting memory and cancel stream handlers before TLS shutdown

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Jürgen Kunz
2026-03-17 13:27:26 +00:00
parent 79af6fd425
commit 81bbb33016
6 changed files with 429 additions and 22 deletions
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changelog.md
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# Changelog
## 2026-03-17 - 4.8.12 - fix(tunnel)
prevent tunnel backpressure buffering from exhausting memory and cancel stream handlers before TLS shutdown
- stop self-waking and writing new frames while a flush is pending to avoid unbounded TLS session buffer growth under load
- reorder edge and hub shutdown cleanup so stream cancellation happens before TLS close_notify, preventing handlers from blocking on dead channels
- add load tests covering sustained large transfers, burst traffic, and rapid stream churn to verify tunnel stability
## 2026-03-17 - 4.8.11 - fix(remoteingress-core)
stop data frame send loops promptly when stream cancellation is triggered