Sasl QOP value; established it to at least one of the next values to help better levels of security for HiveServer2 communication with purchasers.
Regardless of whether to run the initiator and cleaner threads on this metastore occasion. Set this to real on a single occasion of the Thrift metastore support as Portion of turning on Hive transactions. For an entire list of parameters essential for turning on transactions, see hive.txn.manager.
Highest variety of objects (tables/partitions) could be retrieved from metastore in one batch. The upper the number, the much less the number of round journeys is necessary to the Hive metastore server, but it surely may additionally result in higher memory requirement with the client aspect.
This configuration property enables the user to offer a comma-divided list of URLs which give the type and location of Hadoop credential suppliers.
The utmost size of the query string to keep in the lock. The default benefit is 1000000, For the reason that information Restrict of a znode is 1MB
A listing of comma separated values corresponding to YARN queues of exactly the same name. When HiveServer2 is released in Tez method, this configuration has to be set for various Tez periods to run in parallel over the cluster.
String made use of for a prefix when automobile building column alias. By default the prefix label might be appended that has a column posture variety to form the column alias. Vehicle generation would take place if an aggregate functionality is Utilized in a find clause with out an express alias.
Some select queries may be converted to just one FETCH job, reducing latency. Presently the question ought to be single sourced not obtaining any subquery and may not have any More about the author aggregations or distincts (which incur RS – ReduceSinkOperator, demanding a MapReduce endeavor), lateral sights and joins.
The privileges mechanically granted to some customers When a table will get created. An illustration like view "userX,userY:choose;userZ:make" will grant choose privilege to userX and userY, and grant produce privilege to userZ Each time a fresh desk created.
The primary difference between this paramater and hive.optimize.skewjoin is this parameter utilizes the skew details saved inside the metastore to enhance the prepare at compile time by itself. If there is absolutely no skew information while in the metadata, this parameter will likely not have any outcome.
When accurate the HDFS location saved in the index file will probably be dismissed at runtime. If the data bought moved or perhaps the title of the cluster bought improved, the index details really should even now be usable.
A person-specified personalized LDAP query that will be utilized to grant/deny an authentication request. When the person is a component of the question's outcome established, authentication succeeds. See Custom made Question String for aspects.
All through question optimization, filters may be pushed down during the operator tree. If this config is correct, only pushed down filters remain while in the operator tree, and the original filter is taken out. If this config is fake, the original filter is likewise left while in the operator tree at the original area.
This number usually means just how much memory the regional endeavor normally takes to hold The important thing/worth into an in-memory hash desk when this map be a part of is accompanied by a gaggle by.