THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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Maximum number of entries in the vector GROUP BY aggregation hashtables. Exceeding this will trigger a flush regardless of memory pressure condition.
hive.vectorized.
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use.vectorized.
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input.
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format
- Default Value:
true - Added In: Hive 2.1.0 with HIVE-12878
This flag should be set to true to allow Hive to take advantage of input formats that support vectorization. The default value is true.
hive.vectorized.use.vector.serde.deserialize
- Default Value:
false - Added In: Hive 2.1.0 .1with HIVE-12878
This flag should be set to true to enable vectorizing rows using vector deserialize. The default value is false.
hive.vectorized.use.row.serde.deserialize
This flag should be set to true to enable vectorizing using row deserialize. The default value is falsePercent (as decimal fraction) of entries in the GROUP BY aggregation hash flushed when the memory threshold is exceeded.
MetaStore
In addition to the Hive metastore properties listed in this section, some properties are listed in other sections:
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For WebHCat configuration, see Configuration Variables in the WebHCat manual.