davsclaus commented on issue #1631:
URL: https://github.com/apache/camel-website/issues/1631#issuecomment-4683903540

   ## First deploy with rsync (#1633) — results
   
   The first build with the rsync deploy produced a diff of **30 files** 
instead of the previous ~14,000. The PURGE event fired successfully.
   
   ### Before and after
   
   | | Before #1633 | After #1633 |
   |---|---|---|
   | Deploy diff | ~14,000 files (every file) | 30 files (only actual changes) |
   | PURGE payload | >256KB (silently dropped) | Tiny (fires successfully) |
   
   ### Proof: cached 404s cleared for changed files
   
   We touched 2 blog posts that had cached 404s. After the deploy:
   
   ```
   OK  200 blog/2026/06/camel-by-the-numbers/        ← was 404, touched in 
source, now fixed
   OK  200 blog/2026/05/camel-quarkus-3.33.1/         ← was 404, touched in 
source, now fixed
   FAIL 404 blog/2026/05/RELEASE-4.14.5/              ← still 404, not in the 
30-file diff
   FAIL 404 blog/2026/05/RELEASE-4.18.3/              ← still 404, not in the 
30-file diff
   FAIL 404 blog/2026/05/RELEASE-4.20.1/              ← still 404, not in the 
30-file diff
   FAIL 404 manual/faq.html                            ← still 404, not in the 
30-file diff
   FAIL 404 manual/enterprise-integration-patterns.html ← still 404, not in the 
30-file diff
   FAIL 404 releases/release-4.18.3/                   ← still 404, not in the 
30-file diff
   ```
   
   **Pages that changed in the deploy diff → PURGE fired → cached 404 cleared → 
working again.**
   **Pages that didn't change → no PURGE → cached 404 persists until TTL 
expires.**
   
   This confirms the rsync deploy works as intended. But cached 404s from 
before the fix will linger until their CDN TTL expires. The only permanent fix 
is the INFRA VCL change to stop Fastly from caching 404 responses.


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