The default quantity of decrease duties per occupation. Typically set to a primary near the quantity of offered hosts. Ignored when mapred.
List of the fundamental PAM solutions that should be used when hive.server2.authentication variety is PAM. A file Along with the exact same identify must exist in /and so forth/pam.d.
This flag must be established to correct to empower vectorized method of the cut down-facet Team BY question execution. The default benefit is legitimate.
Range of bits of randomness within the produced mystery for interaction involving Hive customer and distant Spark driver. Rounded right down to nearest a number of of 8.
While in the absence of desk/partition statistics, regular row sizing is going to be utilized to estimate the volume of rows/info dimensions.
If turned on, splits generated by ORC will contain metadata in regards to the stripes while in the file. This details is browse remotely (within the customer or HiveServer2 machine) and despatched to each of the duties.
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This configuration house permits the person to supply a comma-separated list of URLs which provide the type and location of Hadoop credential companies.
Sets the volume of lower responsibilities for each Spark shuffle phase (e.g. the volume of partitions when undertaking a Spark shuffle). This is certainly set to -one by default (disabled); as an alternative the number of lower jobs is dynamically calculated dependant on Hive knowledge statistics. Setting this to a continuing benefit sets precisely the same quantity of partitions for all Spark shuffle levels.
In demanding mode, the consumer must specify at the least 1 static partition in the event the person accidentally overwrites all partitions. In nonstrict manner all partitions are permitted to be dynamic.
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Together with the Hive metastore Attributes detailed With this section, some Attributes are shown in other sections:
To operate the MSCK Restore TABLE command batch-intelligent. If there is a lot of untracked partitions, by configuring a worth on the property it will eventually execute in batches internally. The default worth of the assets is zero, which suggests it is going to execute every one of the partitions simultaneously.
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