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Old Version 106

changes.mady.by.user Lefty Leverenz

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New Version 107

changes.mady.by.user Navis Ryu

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  • Default Value: 25000000
  • Added In: Hive 0.7.0 with HIVE-1642: hive.smalltable.filesize (replaced by hive.mapjoin.smalltable.filesize in Hive 0.8.1)
  • Added In: Hive 0.8.1 with HIVE-2499: hive.mapjoin.smalltable.filesize

The threshold (in bytes) for the input file size of the small tables; if the file size is smaller than this threshold, it will try to convert the common join into map join.

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  • Default Value: -1
  • Added In: Hive 0.13.0 with HIVE-3990

Input threshold for (in bytes) for applying hive.fetch.task.conversion. If target table is native, input length is calculated by summation of file lengths. If it's not native, the storage handler for the table can optionally implement the org.apache.hadoop.hive.ql.metadata.InputEstimator interface. A negative threshold means hive.fetch.task.conversion is applied without any input length threshold.

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