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Comment: document hive.exec.orc.compression.strategy for HIVE-7859

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If enabled dictionary check will happen after first row index stride (default 10000 rows) else dictionary check will happen before writing first stripe. In both cases, the decision to use dictionary or not will be retained thereafter.

hive.exec.orc.compression.strategy
  • Default Value: SPEED
  • Added In: Hive 0.14.0 with HIVE-7859

Define the compression strategy to use while writing data. This changes the compression level of higher level compression codec (like ZLIB).

Value can be SPEED or COMPRESSION.

MetaStore

hive.metastore.local

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