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This residence is used in LDAP look for queries for locating LDAP team names a user belongs to. The worth of the residence is used to build LDAP team look for question and is particularly employed to point what a bunch's objectClass is. Each individual LDAP group has specified objectClass. As an example: team, groupOfNames, groupOfUniqueNames and so on.

Listing of supported blobstore techniques that Hive works by using to apply Particular read through/compose functionality advancements.

Annotation with the operator tree with statistics facts necessitates column statistics. Column statistics are fetched from the metastore.

This flag must be established to legitimate to enable vectorizing using row deserialize. The default benefit is fake.

A comma separated list of hooks which put into action QueryLifeTimeHook. These will be brought on ahead of/after query compilation and right before/immediately after query execution, inside the purchase specified.

Time in seconds concerning checks to discover if any tables or partitions need to be compacted. This could be saved substantial since Each and every look for compaction requires several phone calls in opposition to the NameNode.

This parameter decides if Hive should really include yet right here another map-lessen position. In the event the grouping established cardinality (four in the example previously mentioned) is over this benefit, a whole new MR occupation is added underneath the assumption which the orginal "group by" will lessen the details dimensions.

To guard the cluster, this controls the number of partitions is often scanned for each partitioned desk. The default worth "-1" implies no limit. The limit on partitions does not have an affect on metadata-only queries.

No matter whether joins may be mechanically transformed to bucket map joins in Hive when Tez is utilized since the execution motor (hive.execution.motor is about to "tez").

When the bucketing/sorting Attributes in the desk just match the grouping important, whether or not to conduct the team by during the mapper by utilizing BucketizedHiveInputFormat.

Session are going to be closed when link is shut. Established this to Fake to have session outlive its guardian link.

This flag really should be established to legitimate to allow vector map sign up for hash tables to use max / max filtering for integer sign up for queries applying MapJoin.

Throughout query optimization, filters might be pushed down inside the operator tree. If this config is real, only pushed down filters continue being from the operator tree, and the initial filter is taken off. If this config is false, the original filter can also be left in the operator tree at the original area.

When enabled, dynamic partitioning column might be globally sorted. This fashion we can maintain just one document writer open up for every partition price within the reducer thereby decreasing the memory pressure on reducers.