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The threshold (in bytes) for that enter file dimension with the compact tables; Should the file dimension is scaled-down than this threshold, it is going to attempt to transform the typical be part of into map be part of.

The remote Spark driver is the applying launched during the Spark cluster, that submits the particular Spark occupation. It absolutely was released in HIVE-8528. It is a prolonged-lived application initialized on the very first question of the current user, functioning until finally the person's session is closed.

When hive.improve.limittranspose is correct, this variable specifies the minimum reduction in the range of tuples in the outer enter on the join or input of the union the optimizer ought to get so that you can implement the rule.

Part of overall memory for use by map-aspect group aggregation hash table, when this team by is accompanied by map be part of.

Highest range of rows allowed to get a more compact subset of data for easy LIMIT, if it is a fetch question. Insert queries will not be restricted by this limit.

To estimate the dimensions of knowledge flowing through operators in Hive/Tez (for reducer estimation and so on.), normal row size is multiplied with the overall number of rows coming out of each and every operator.

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A comma separated list of end users which will be added on the ADMIN job in the event why not check here the metastore commences up. Far more customers can however be added afterward.

This controls the amount of transactions streaming brokers like Flume or Storm open at the same time. The streaming agent then writes that number of entries into a single file (for every Flume agent or Storm bolt).

When accurate the HDFS site saved during the index file will probably be ignored at runtime. If the data got moved or the identify of your cluster bought improved, the index details should really continue to be usable.

This location demonstrates how HiveServer2 will report the table varieties for JDBC and other client implementations that blog here retrieve the obtainable tables and supported table varieties.

Irrespective of whether to make a different program for skewed keys to the tables in the be part of. This is predicated on the skewed keys saved during the metadata. At compile time, the program is damaged into distinct joins: one to the skewed keys, and one other for your Full Report remaining keys.

This number means just how much memory the nearby process usually takes to carry The true secret/worth into an in-memory hash table when this map sign up for is accompanied by a bunch by.