This flag ought to be established to legitimate to help vectorizing rows utilizing vector deserialize. The default worth is false.
To estimate the scale of knowledge flowing via operators in Hive/Tez (for reducer estimation and many others.), typical row dimensions is multiplied with the entire range of rows popping out of each operator. Regular row dimensions is computed from common column measurement of all columns from the row.
When hive.enhance.limittranspose is accurate, this variable specifies the nominal reduction during the amount of tuples in the outer input of the join or enter of your union the optimizer must get so that you can apply the rule.
This residence is used in LDAP look for queries when acquiring LDAP group names that a certain person belongs to. The worth from the LDAP attribute, indicated by this assets, ought to be an entire DN with the person or even the quick username or userid.
When Bogus, would not make a lock file and therefore the cleardanglingscratchdir tool can not take away any dangling scratch directories.
This range means just how much memory the regional undertaking might take to carry the key/price into an in-memory hash table when this map be part of is followed by visit our website a gaggle by.
If this is established to legitimate, Hive on Spark will sign up tailor made serializers for details styles in shuffle. This could end in considerably less shuffled knowledge.
Check if a question system consists of a cross solution. If there is a single, output a warning on the session's console.
The utmost facts size with the dimension desk that generates partition pruning data. If reaches this Restrict, the optimization is going to be turned off.
This house is used in LDAP search queries for locating LDAP team names a consumer belongs to. The value of this assets is used to assemble LDAP group research query and is particularly utilized to point what a gaggle's objectClass is. Each and every LDAP group has selected objectClass. For instance: group, groupOfNames, groupOfUniqueNames and so on.
No matter whether to insert into multilevel nested directories like "insert directory '/HIVEFT25686/chinna/' from table".
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A Java regex. Configuration Homes Read Full Report that match this regex can be modified by consumer when SQL typical base authorization is employed.
When enabled, dynamic partitioning column will likely be globally sorted. By doing this we could continue to keep only one document writer open for each partition worth while in the reducer therefore reducing the memory pressure on reducers.