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If ORC reader encounters corrupt info, this price will probably be used to determine irrespective of whether to skip the corrupt information or throw an exception. The default behavior should be to toss an exception.

Optimum amount of objects (tables/partitions) could be retrieved from metastore in a single batch. The upper the variety, the much less the number of round excursions is needed to the Hive metastore server, but it really can also induce larger memory need at the client side.

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Whether to push a Restrict through remaining/proper outer be a part of or union. If the worth is legitimate and the scale of the outer enter is minimized ample (as specified in hive.

When enabled, this feature will allow a consumer script to exit properly without consuming all the information in the common input.

If That is set to genuine, mapjoin optimization in Hive/Spark will use resource file sizes connected to the TableScan operator on the basis from the operator tree, in place of applying operator statistics.

In the entire process of Mapjoin, The real key/value might be held from the hashtable. This worth usually means the load factor for the in-memory hashtable.

Utilized by LLAP daemon job scheduler metrics for time taken to get rid of undertaking (as a result of pre-emption) and helpful time wasted by the task that may be going to be preempted.

Sets the quantity of reduce responsibilities for each Spark shuffle phase (e.g. the quantity of partitions when executing a Spark shuffle). This really is established to -1 by default (disabled); in its place the quantity of minimize tasks is dynamically calculated based on Hive facts statistics. Placing this to a continuing price sets precisely the same variety of partitions for all Check Out Your URL Spark shuffle levels.

Sasl QOP benefit; set it to one of the following values to help increased levels of defense for HiveServer2 conversation with customers.

Maximum number of retries when stats publisher/aggregator got an exception updating intermediate database. Default is not any attempts on failures.

This setting displays how HiveServer2 will report the desk kinds for JDBC as well as other client implementations that retrieve the offered tables and supported desk types.

Irrespective of whether Hive permits the optimization about converting typical sign up for into mapjoin according to the enter file sizing. If this parameter is on, as well as sum of dimensions for n-1 from the tables/partitions for an n-way sign up for is more compact than the scale specified by hive.

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