davidradl commented on code in PR #27509:
URL: https://github.com/apache/flink/pull/27509#discussion_r2758346140


##########
docs/layouts/shortcodes/generated/web_configuration.html:
##########
@@ -26,6 +26,12 @@
             <td>Integer</td>
             <td>Number of checkpoints to remember for recent history.</td>
         </tr>
+        <tr>
+            <td><h5>web.execution-graph.cache-ttl</h5></td>
+            <td style="word-wrap: break-word;">(none)</td>
+            <td>Duration</td>
+            <td>Time-to-live for cached ExecutionGraph. If not set, defaults 
to the value of '<code class="highlighter-rouge">web.refresh-interval</code>'. 
Setting this to 0 means the cache will always fetch fresh data, which is useful 
for real-time state synchronization scenarios.</td>

Review Comment:
   The only reference to web.refresh-interval is see in the docs is 
[web.refresh-interval](https://nightlies.apache.org/flink/flink-docs-master/docs/deployment/config/#historyserver-web-refresh-interval).
 
   
   The config parameter starts with web. implies it is for the Web UI. There 
are no other parameters starting with `web.execution-graph` - this is a Flink 
internal concept. How should I understand the context of where this config 
option implies?   



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