Aias00 opened a new issue, #6579: URL: https://github.com/apache/shenyu/issues/6579
## Description On cache miss, `matchSelector`/`matchRule` do `selectors.stream().filter(...).distinct().collect(Collectors.toList())` (new ArrayList), and `manyMatchSelector` builds `Collectors.groupingBy(Pair::getLeft)` with `Pair.of(sort, selector)` — autoboxing the `int sort` into `Integer` keys in a `Map<Integer, List<Pair<Integer,SelectorData>>>`, plus `Collections.max(collect.keySet())` and a final `stream().map(...).min(...)`. ## Location ``` shenyu-plugin-base/.../AbstractShenyuPlugin.java:229-239 (matchSelector), 241-256 (manyMatchSelector), 268-292 (matchRule/manyMatchRule) ``` ## Impact Per cache-miss: 1 ArrayList + 1 HashMap (with Integer boxing) + N Pair objects. Steady garbage on cache churn (many distinct paths). ## Suggested fix Replace the stream pipeline with a plain for-loop tracking the max-sort candidate directly; avoid `Pair` and the `Map<Integer,...>` boxing. ## Related existing issue(s) None _Identified during the 2026-08-02 audit; full list in [`docs/issue-candidates-2026-08-02.md`](docs/issue-candidates-2026-08-02.md)._ -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
