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The edge (in bytes) for your enter file measurement in the compact tables; Should the file dimensions is lesser than this threshold, it can test to convert the prevalent be a part of into map be part of.

configured with embedded metastore. To have exceptional efficiency, set config to satisfy the next ailment

Lets HiveServer2 to mail progress bar update info. This really is available only if the execution engine is tez.

Quantity of aborted transactions involving a supplied desk or partition that may result in An important compaction.

The utmost length of the question string to store within the lock. The default value is 1000000, Considering that the details Restrict of a znode is 1MB

Whether or not to make use of operator stats to determine reducer parallelism for Hive on Spark. If this is false, Hive will use resource table stats to ascertain reducer parallelism for all first degree lower responsibilities, and the maximum reducer parallelism from all dad and mom for all the rest (second level and onward) reducer responsibilities.

The host address the HiveServer2 Net UI will listen on. The internet UI can be utilized to accessibility the HiveServer2 configuration, regional logs, and metrics. It can even be utilised to examine some specifics of active periods and queries being executed.

By default, the cache that ORC enter format makes use of to shop the ORC file footer makes look at more info use of tricky references for that cached item. Placing this to correct can help prevent out-of-memory troubles under memory force (in some cases) at the price of slight unpredictability in General question functionality.

To operate the MSCK REPAIR TABLE command batch-clever. When there is a large number of untracked partitions, by configuring a price into the property it will eventually execute in batches internally. The default value of the property is zero, which suggests it will eventually execute all the partitions simultaneously.

Most amount of entries within the vector GROUP BY aggregation hashtables. Exceeding this can bring about a flush no matter memory force affliction.

Session will be shut when link is closed. Set this to Untrue to have session outlive its mother or father connection.

A comma separated list of builtin UDFs that aren't allowed to be executed. A UDF which is A part of the listing address will return an error if invoked from a question.

Name from the identifier factory to utilize when producing desk/column names and so forth. 'datanucleus' is used for backward compatibility.

Whether to empower Log4j2's asynchronous logging. Asynchronous logging can give major functionality improvement as logging is going to be taken her latest blog care of in the separate thread that employs the LMAX disruptor queue for buffering log messages.