luwei16 opened a new pull request, #68094:
URL: https://github.com/apache/doris/pull/68094

   ### What problem does this PR solve?
   
   Issue Number: None
   
   Related PR: None
   
   Problem Summary: Updating ROW binlog retention properties in cloud mode used 
the shared-nothing UPDATE_TABLET_META_INFO agent task. Cloud backends do not 
register that task because tablet metadata is owned by MetaService, so every 
backend rejected it and the FE timed out. Route cloud binlog config changes 
through the existing update-tablet MetaService API, persist the config, and 
refresh cached CloudTablet metadata on backends.
   
   ### Release note
   
   Fix updating ROW binlog retention properties in cloud mode.
   
   ### Check List (For Author)
   
   - Test: Unit Test
       - CloudSchemaChangeHandlerTest
       - MetaServiceTest.UpdateTablet
       - CloudTabletSyncMetaTest.TestSyncMetaMultipleProperties
   - Behavior changed: Yes (ROW binlog property updates in cloud mode now use 
the cloud metadata path.)
   - Does this need documentation: No


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