e4e49e70ff
- mut.php called wp_cache_flush() after each write and qbench.php wp_cache_flush_group() before each run; with Redis Object Cache's selective flush both are one server-side Lua scan over the site's keys, which blocked the shared Redis for 5–20 s on dev36 (3 M keys) and broke other sites' requests (BUSY / read errors) - mut.php clears the touched post or user caches plus the runtime cache; qbench.php bumps the routed count version (posts' last_changed before 1.3.0) - tests/ is not packaged; plugin code does not flush