Accurate: Verify that Edition facts saved in metastore matches with a single from Hive jars. Also disable computerized schema migration endeavor (see datanucleus.
Most variety of open transactions. If current open up transactions arrive at this Restrict, long term open up transaction requests will probably be rejected, until eventually the quantity goes beneath the limit.
This flag must be set to accurate to limit usage of native vector map be part of hash tables to your MultiKey in queries utilizing MapJoin.
When making an attempt a lesser subset of knowledge for easy LIMIT, exactly how much measurement we want to guarantee Every single row to have at the very least.
This flag should be set to true to empower vectorizing rows making use of vector deserialize. The default benefit is fake.
Either The placement of the HiveServer2 world init file or perhaps a Listing made up of a .hiverc file. Should the assets is about, the worth must be a valid path to an init file or directory the place the init file is located.
This configuration residence is to regulate if only do lock on queries that have to execute at the very least a single mapred career.
Listing of comma-separated keys happening in table Houses that may get inherited to recently produced partitions. * indicates all the keys can get inherited.
By default Tez will spawn containers of the dimensions of a mapper. This can be utilized to overwrite the default.
Specifies a fully experienced area person to work company website with when binding to LDAP for authentication, rather than using the consumer by itself. This permits for scenarios wherever all users do not have research permissions on LDAP, instead requiring only the bind consumer to have search permissions.
This flag should be used to provide a comma divided listing of completely capable classnames to exclude selected FileInputFormats from vectorized execution using the vectorized file inputformat.
This limits the volume of partitions that could be requested within the Metastore for just a offered desk. A question will not be executed if it tries to fetch additional partitions for each desk compared to the Restrict configured.
A quantity accustomed to proportion sampling. By switching this variety, person will alter the subsets of knowledge sampled.
Whether or not to enable Log4j2's asynchronous logging. Asynchronous logging may give sizeable overall performance improvement as logging will likely be dealt with within a independent thread that makes use of the LMAX disruptor queue for buffering log messages.