The most memory for use for hash in RS operator for top K range. The default value "-1" implies no Restrict.
Enable JDO query pushdown for integral partition columns in metastore. Off by default. This increases metastore overall performance for integral columns, particularly if you will find numerous partitions.
Greatest number of objects (tables/partitions) can be retrieved from metastore in a single batch. The higher the selection, the fewer the number of round trips is required to the Hive metastore server, nevertheless it may trigger increased memory prerequisite with the customer side.
Should really the metastore do authorization checks against the fundamental storage for functions like fall-partition (disallow the fall-partition In case the user in issue does not have permissions to delete the corresponding directory over the storage).
Whether to check, change, and normalize partition price laid out in partition specification to conform towards the partition column kind.
Regardless of whether to permit Log4j2's asynchronous logging. Asynchronous logging can provide considerable general performance improvement as logging might be dealt with inside of a separate thread that makes use of the LMAX disruptor queue for buffering log messages.
Whether or not column accesses are tracked in the QueryPlan. This is beneficial to determine how tables are accessed and to find out if you can find squandered columns that could be trimmed.
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A comma separated list of buyers which can be included on the ADMIN purpose in the next page event the metastore starts off up. More people can even now be added down the road.
Greatest size (in bytes) of your inputs on which a compact index is routinely used. A detrimental quantity is equivalent to infinity.
Regardless of whether to insert into multilevel nested directories like "insert directory '/HIVEFT25686/chinna/' from desk".
The brink (in bytes) to the input file sizing with the modest tables; If your file measurement is smaller sized than this threshold, it can try out to transform the prevalent be a part of into map be a part of.
Name of your identifier manufacturing unit to work with when creating table/column names etcetera. 'datanucleus' is employed for backward compatibility.
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