Aias00 opened a new issue, #6809:
URL: https://github.com/apache/shenyu/issues/6809
- severity: Medium; files: `mappers/meta-data-sqlmap.xml:154-163`
- description: Unlike `pathExisted` (which filters `path AND namespace_id`),
this query has no `namespace_id` filter, so it scans every `meta_data` row
whose `path` matches across all namespaces. `path` is unindexed (PERF-A9) →
full table scan; `NOT IN` with a list further inhibits index usage. Also a
correctness concern: path-uniqueness is supposed to be per-namespace.
- impact: Each call walks the whole `meta_data` table; correctness drift
across namespaces.
- suggested_fix: Add `AND namespace_id = #{namespaceId}` and index
`(namespace_id, path)`; rewrite `NOT IN` as `NOT EXISTS`.
- confidence: High
---
_Identified during the 2026-08-02 deep re-scan; full list in
[`docs/scan2-2026-08-02/06-medium-tiers.md`](docs/scan2-2026-08-02/06-medium-tiers.md)._
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