The default quantity of lessen jobs for every position. Normally set to a major close to the number of obtainable hosts. Dismissed when mapred.
Other than the configuration Homes outlined With this section, some Attributes in other sections may also be relevant to ORC:
If your bucketing/sorting Houses from the table exactly match the grouping vital, irrespective of whether to accomplish the group by during the mapper through the use of BucketizedHiveInputFormat. The sole downside to this is usually that it limitations the amount of mappers to the quantity of information.
Portion of whole memory to be used by map-facet team aggregation hash desk, when this group by is accompanied by map sign up for.
Suggests irrespective of whether replication dump should really incorporate information about ACID tables. It should be utilised along with hive.
Session might be closed when link is closed. Established this to Untrue to obtain session outlive its guardian connection.
LDAP attribute identify about the person item that contains groups of which the consumer you could try this out is really a direct member, except for the primary team, that's represented from the primaryGroupId. Such as: memberOf.
This configuration residence enables the person to supply a comma-divided list of URLs which provide the kind and site of he has a good point Hadoop credential suppliers.
The most info dimension to the dimension table that generates partition pruning data. If reaches this limit, the optimization will likely be turned off.
Establish the quantity of map undertaking at most Employed in the follow up map join task for your skew be part of by specifying the least break up measurement. It should be applied together with hive.skewjoin.mapjoin.map.duties to execute a good grained Manage.
Whether or not to insert into multilevel nested directories like "insert Listing '/HIVEFT25686/chinna/' from desk".
A comma separated list of builtin UDFs that are not permitted to be executed. A UDF that is definitely A part of the checklist will return an mistake if invoked from a question.
For the duration of query optimization, filters could be pushed down inside the operator tree. If this config is learn this here now true, only pushed down filters keep on being inside the operator tree, and the first filter is eradicated. If this config is fake, the first filter is additionally remaining inside the operator tree at the first location.
This setting reflects how HiveServer2 will report the table kinds for JDBC and various shopper implementations that retrieve the accessible tables and supported table forms.