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• Default Value: 1
• Added In: Hive 2.3.0 with HIVE-14864

Maximum number of files Hive uses to do sequential HDFS copies between directories. Distributed copies (distcp) will be used instead for larger numbers of files so that copies can be done faster.

hive.exec.copyfile.maxsize

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• Default Value: .hive-staging
• Added in: Hive 1.1.0 with HIVE-8750

Directory name that will be created inside table locations in order to support HDFS encryption. This is replaces hive.exec.scratchdir for query results with the exception of read-only tables. In all cases hive.exec.scratchdir is still used for other temporary files, such as job plans.

hive.query.lifetime.hooks

• Default Value:
• Added In: Hive 2.3.0 with HIVE-14340

A comma separated list of hooks which implement QueryLifeTimeHook. These will be triggered before/after query compilation and before/after query execution, in the order specified. As of Hive 3.0.0 (HIVE-16363), this config can be used to specify implementations of QueryLifeTimeHookWithParseHooks. If they are specified then they will be invoked in the same places as QueryLifeTimeHooks and will be invoked during pre and post query parsing

SerDes and I/O

SerDes

hive.script.serde

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