WinkerDu opened a new pull request, #23024:
URL: https://github.com/apache/doris/pull/23024

   ## Proposed changes
   
   Issue Number: close #xxx
   
   I want to use Doris Multi-catalog to accelerate HMS query. My organization 
has custom distributed file system, and we think wrapping the fs access 
differents into broker (listLocatedFiles, openReader..) would be a elegant 
approach.
   
   This pr introduce HMS catalog conf `bind.broker.name`. If we set this conf, 
file split, query scan operation will send to broker.
   
   usage:
   create a hms catalog with broker usage
   ```
   CREATE CATALOG hive_catalog_broker PROPERTIES (
       'type'='hms',
       'hive.metastore.uris' = 'thrift://xxx',
       'bind.broker.name' = 'hdfs_broker'
   );
   ```
   when we try to query from this catalog, file split and query scan request 
will send to broker `hive_catalog_broker`.
   
   ## Further comments
   


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