Whether to optimize multi team by query to deliver one M/R task plan. If your multi group by question has common team by keys, It'll be optimized to generate an individual M/R position. (This configuration home was taken off in launch 0.nine.0.)
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When configuring the max connection pool dimensions, it is recommended to take into account the volume of metastore occasions and the number of HiveServer2 cases
This flag needs to be set to genuine to enable vectorizing using row deserialize. The default benefit is false.
Listing of the underlying PAM expert services that needs to be applied when hive.server2.authentication type is PAM. A file with the identical identify ought to exist in /etc/pam.d.
An index of comma divided values similar to YARN queues of the same identify. When HiveServer2 is launched in Tez manner, this configuration has to be established for many Tez classes to operate in parallel to the cluster.
String used to be a prefix when automobile making column alias. By default the prefix label are going to be appended which has a column placement amount to variety the column alias. Automobile generation would materialize if an click mixture perform is Employed in a pick clause with no an express alias.
List of comma-divided keys happening in desk Houses which is able to get inherited to freshly created partitions. * implies all of the keys will get inherited.
A listing of I/O exception handler course names. This can be used to construct an index of exception handlers to handle exceptions thrown by file readers.
This property is used in LDAP look for queries for finding LDAP team names a user belongs to. The value of this assets is used to construct LDAP group research question and is utilized to point what a gaggle's objectClass is. Each and every LDAP team has particular objectClass. As an example: group, groupOfNames, groupOfUniqueNames etcetera.
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Hash aggregation are going to be turned off When the ratio between hash table size and enter rows is larger than this selection. Established to one to make certain hash aggregation isn't turned off.
Scratch House for Hive Work opportunities. This directory is used by Hive to store the ideas for different map/lessen levels visit here for the query along with to saved the intermediate outputs of such stages.
Establishes the quantity of compaction data in state 'didn't initiate' will probably be retained in compaction background for a specified table/partition.