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Comment: add link to EXPLAIN EXTENDED, fix links to 1.1.0

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When enabled, will log EXPLAIN EXTENDED output for the query at log4j INFO level and in WebUI / Drilldown / Query Plan.

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Timeout for requests from Hive client to remote Spark driver.

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  • Default Value: 1000 miliseconds
  • Added In: Hive 1.1.0 with  with HIVE-9337

Timeout for remote Spark driver in connecting back to Hive client.

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  • Default Value: 90000 miliseconds
  • Added In: Hive 1.1.0 with  with HIVE-9337, default changed in same release with HIVE-9519

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Number of bits of randomness in the generated secret for communication between Hive client and remote Spark driver. Rounded down to nearest multiple of 8.

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Maximum number of threads for remote Spark driver's RPC event loop.

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  • Default Value: 52,428,800 (50 * 1024 * 1024, or 50 MB)
  • Added In: Hive 1.1.0 with  with HIVE-9337

Maximum message size in bytes for communication between Hive client and remote Spark driver. Default is 50 MB.

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Channel logging level for remote Spark driver. One of DEBUG, ERROR, INFO, TRACE, WARN. If unset, TRACE is chosen.

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  • Default Value: Empty (treated as not set – all UDFs allowed)
  • Added In: Hive 1.1.0 with with HIVE-8893 

A comma separated list of builtin UDFs that are allowed to be executed. A UDF that is not included in the list will return an error if invoked from a query. If set to empty, then treated as wildcard character – all UDFs will be allowed. Note that this configuration is read at the startup time by HiveServer2 and changing this using a 'set' command in a session won't change the behavior.

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A comma separated list of builtin UDFs that are not allowed to be executed. A UDF that is included in the list will return an error if invoked from a query.  Note that this configuration is read at the startup time by HiveServer2 and changing this using a 'set' command in a session won't change the behavior.

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  • Default Value: org.apache.hadoop.hive.ql.parse.authorization.HiveAuthorizationTaskFactoryImpl
  • Added In: Hive 1.1.0 with  with HIVE-8611

To override the default authorization DDL handling, set hive.security.authorization.task.factory to a class that implements the org.apache.hadoop.hive.ql.parse.authorization.HiveAuthorizationTaskFactory interface.

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