[GitHub] [spark] yaooqinn commented on issue #27041: [SPARK-25061][SQL] Precedence for ThriftServer hiveconf commandline parameter

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yaooqinn commented on issue #27041: [SPARK-25061][SQL] Precedence for ThriftServer hiveconf commandline parameter
URL: https://github.com/apache/spark/pull/27041#issuecomment-588113516
 
 
   Thanks for pinging me @cloud-fan
   
   We can override hive configurations in many ways.
   
   Take `hive.metastore.uris` for an example, we can reset it via `--conf spark.hadoop.hive.metastore.uris=thrift://example.com:9083`, or `--conf spark.hive.hive.metastore.uris=thrift://example.com:9083` or `--hiveconf hive.metastore.uris=thrift://example.com:9083` or maybe(not sure) `--conf spark.driver.extraJavaOptions=-Dxxx`. 
   
   This PR seems to prefer `--hiveconf` than others.
   
   Personally, I prefer those spark configurations always have higher precedence than other type
   configurations including hive/hadoop/java/system, etc, as we are writing spark applicaitons.

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