infraio commented on issue #1223: HBASE-23739 BoundedRecoveredHFilesOutputSink should read the table de… URL: https://github.com/apache/hbase/pull/1223#issuecomment-594279830 > Reading table descriptor always from FS wont be good actually, it will cause many RPC to Namenode for same operation from all RS. (Please correct me if wrong) Read from master still need rpc to master? > Currently HMaster already load the table decriptors during startup and RS retrieve it. IMO RS should read table descriptor from FS directly only when it fails to retrieve from HM due to incomplete initialization. Master use FSTableDesctriptors but not use cache now. It need to retrieve from NN too.
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