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fix(rustproxy): prune stale per-route metrics, add per-route rate limiter caching and regex cache, and improve connection tracking cleanup to prevent memory growth

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Jürgen Kunz
2026-02-19 08:48:46 +00:00
parent b4b8bd925d
commit 53d73c7dc6
7 changed files with 219 additions and 12 deletions
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changelog.md
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# Changelog
## 2026-02-19 - 25.7.5 - fix(rustproxy)
prune stale per-route metrics, add per-route rate limiter caching and regex cache, and improve connection tracking cleanup to prevent memory growth
- Prune per-route metrics for routes removed from configuration via MetricsCollector::retain_routes invoked during route table updates
- Introduce per-route shared RateLimiter instances (DashMap) with a request-count-triggered periodic cleanup to avoid stale limiters
- Cache compiled URL-rewrite regexes (regex_cache) to avoid recompiling patterns on every request and insert compiled regex on first use
- Improve upstream connection tracking to remove zero-count entries and guard against underflow, preventing unbounded DashMap growth
- Evict per-IP metrics and timestamps when the last connection for an IP closes so per-IP DashMap entries are fully freed
- Add unit tests validating connection tracking cleanup, per-IP eviction, and route-metrics retention behavior
## 2026-02-19 - 25.7.4 - fix(smart-proxy)
include proxy IPs in smart proxy configuration