Decides the choice system employed by metastore shopper to connect to distant metastore. SEQUENTIAL implies that the first valid metastore through the URIs specified as Element of hive.metastore.uris are going to be picked. RANDOM indicates which the metastore will be picked randomly.
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This residence is Employed in LDAP search queries when finding LDAP team names that a certain person belongs to. The worth from the LDAP attribute, indicated by this house, really should be a complete DN to the consumer or the limited username or userid.
When enabled, this feature allows a consumer script to exit properly with no consuming all the data in the normal input.
If This is often set to real, mapjoin optimization in Hive/Spark will use resource file measurements associated with the TableScan operator on the basis with the operator tree, in lieu of applying operator statistics.
If turned on, splits produced by ORC will consist of metadata with regards to the stripes in the file. This info is go through remotely (through the client or HiveServer2 equipment) and despatched to many of the responsibilities.
Reducing this worth will decrease the time it requires for compaction to be started for just a table or partition that requires compaction. Nonetheless, examining my sources if compaction is necessary necessitates a number of calls to the NameNode for each desk or partition that has experienced a transaction completed on it For the reason that very last key compaction. So reducing this price will improve the load over the NameNode.
Sets the amount of reduce jobs for every Spark shuffle stage (e.g. the amount of partitions when doing a Spark shuffle). This is certainly set to -1 by default (disabled); instead the quantity of reduce responsibilities is dynamically calculated determined by Hive data statistics. Setting this to a continuing benefit sets precisely the same amount of partitions for all Spark shuffle levels.
Establish the volume of map task at most used in the stick to up map join occupation for the skew be part of by specifying the least break up size. It ought to be made use of along with hive.skewjoin.mapjoin.map.jobs to execute a fine grained Manage.
Regardless of whether to insert into multilevel nested directories like "insert directory '/HIVEFT25686/chinna/' from desk".
The canonical listing of configuration properties visit this website is managed within the HiveConf Java course, so consult with the HiveConf.java file for a complete list of configuration properties accessible inside your Hive release.
To wash up the Hive scratch Listing when starting up the Hive server (or HiveServer2). This isn't an selection for a multi-user atmosphere because it will unintentionally eliminate the scratch directory in use.
This location demonstrates how HiveServer2 will report the desk kinds Check This Out for JDBC and various shopper implementations that retrieve the accessible tables and supported desk types.