[8.18] Adjust unpromotable shard refresh request validation to allow RefreshResult.NO_REFRESH#129338

Merged

elasticsearchmachine merged 1 commit intoelastic:8.18from

tlrx:2025/06/10/fix-129036-8.18

Jun 12, 2025

Commits on Jun 12, 2025

When a primary shard uses the read-only engine, it always returns a RefreshResult.NO_REFRESH for refreshes. Since #93600 we added an extra roundtrip to hook unpromotable shard refresh logic. This h…
tlrx
committed