asdf2014 opened a new pull request, #3999:
URL: https://github.com/apache/doris-website/pull/3999

   ## Versions
   
   - [x] dev
   - [ ] 4.x
   - [ ] 3.x
   - [ ] 2.1 or older (not covered by version/language sync gate)
   
   ## Languages
   
   - [x] Chinese
   - [x] English
   - [ ] Japanese candidate translation needed
   
   ## Docs Checklist
   
   - [ ] Checked by AI
   - [ ] Test Cases Built
   - [x] Updated required version and language counterparts, or explained why 
not
   - [ ] If only one language changed, confirmed whether source/translation 
counterparts need sync
   
   Documents the cloud (compute-storage decoupled) support for Query Cache 
incremental merge: condition 3 now covers the per-tablet view sync and its 
fast-fail budget (`query_cache_decision_sync_timeout_ms`), adds the be.conf 
config row and the `query_cache_decision_sync_time_ms` metric, lists the two 
new cloud fallback reasons, adds a note on `query_freshness_tolerance_ms` / 
`enable_prefer_cached_rowset`, and updates the decision-flow diagram. Also 
corrects the JOIN caching FAQ (unrelated to the cloud work): a join in the 
cached subtree disables the cache structurally, while the 
aggregate-first-then-join rewrite additionally needs `runtime_filter_mode=OFF` 
for every joined table to be cached.
   


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