This assets is Employed in LDAP lookup queries for locating LDAP team names a consumer belongs to. The value of this assets is accustomed to assemble LDAP group research question and is particularly utilized to point what a bunch's objectClass is. Every single LDAP group has selected objectClass. As an example: team, groupOfNames, groupOfUniqueNames etc.
Listing of supported blobstore strategies that Hive utilizes to use Distinctive study/publish performance improvements.
If That is established to real, mapjoin optimization in Hive/Spark will use statistics from TableScan operators at the basis of operator tree, as opposed to guardian ReduceSink operators with the Be part of operator.
Must the metastore do authorization checks versus the underlying storage for operations like drop-partition (disallow the drop-partition In case the person in problem doesn't have permissions to delete the corresponding directory over the storage).
Listing of the underlying PAM expert services that should be utilised when hive.server2.authentication variety is PAM. A file While using the same name must exist in /and so on/pam.d.
Eliminate further map-reduce Positions if the info is presently clustered by exactly the same essential which ought to be used again. This should normally be established to legitimate. As it is a new attribute, it's been made configurable.
To scrub up the Hive scratch Listing even though beginning the Hive server (or HiveServer2). It's not an choice for a multi-user environment since it will unintentionally take out the scratch Listing in use.
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Whether or not to employ a binary lookup to locate the entries in an index desk that match the filter, the place page achievable.
Whether the version of Hadoop which happens to be working supports sub-directories for tables/partitions. Quite a few Hive optimizations may be utilized If your Hadoop Variation supports sub-directories for tables/partitions. This support was added by MAPREDUCE-1501.
The host deal with the HiveServer2 World-wide-web UI will hear on. The world wide web UI can be employed to obtain the HiveServer2 configuration, community logs, and metrics. It can even be utilised to check some specifics of Energetic sessions visit the website and queries being executed.
The edge (in bytes) for your enter file dimension with the modest tables; In the event the file size is more compact than this threshold, it's going to check out to convert the prevalent be part of into map join.
This flag need to be utilized to supply a comma divided listing of fully experienced classnames to exclude specified FileInputFormats from vectorized execution utilizing the vectorized file inputformat.
Regardless of whether Hive supports concurrency or not. A ZooKeeper instance have to be up and managing with the default Hive lock supervisor to assistance examine-create locks.