do my stats assignment Secrets

The utmost memory to be used for hash in RS operator for major K assortment. The default worth "-one" signifies no limit.

Utmost number of open up transactions. If present-day open up transactions access this limit, foreseeable future open up transaction requests will be turned down, until the quantity goes down below the Restrict.

When configuring the max connection pool size, it is recommended to take into consideration the volume of metastore scenarios and the quantity of HiveServer2 cases

When striving a smaller sized subset of data for simple Restrict, just how much dimension we need to guarantee Just about every row to obtain not less than.

Inside the absence of desk/partition statistics, common row dimensions will likely be accustomed to estimate the volume of rows/details size.

If That is set to real, mapjoin optimization in Hive/Spark will use source file measurements associated with the TableScan operator on the foundation from the operator tree, as opposed to using operator statistics.

Will allow HiveServer2 to mail progress bar update data. This can be available provided that the execution engine is tez.

In unsecure manner, genuine will cause the metastore to execute DFS operations utilizing the consumer's documented user and group permissions.

No matter whether joins could be mechanically converted to bucket map joins in Hive when Tez is utilised as being the execution motor (hive.execution.motor is about to "tez").

Empower capturing compiler go through entity of remodel URI that may be introspected inside the semantic and exec hooks.

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A comma separated list of builtin UDFs that are not allowed to be executed. A UDF that is definitely A part of the list will return an mistake if invoked from a query.

If a career fails, whether to deliver a backlink navigate here during the CLI towards the task with by far the most failures, coupled with debugging hints if relevant.

Comma divided record of standard expression patterns for SQL state, mistake code, and mistake message of retryable SQLExceptions, that is suitable for the Hive metastore databases.