Compression dictionaries

The following considerations apply to using compression dictionaries with BMC AMI Load.

LOAD REPLACE creates and uses the compression dictionary. The end-of-job summary includes a report of any compression activity. The compression dictionary build fails if there is insufficient data to build one. BMC AMI Load loads uncompressed data with a warning (condition code of 4) and clear message.

LOAD RESUME YES uses compression dictionaries as follows:

Related topics

COPYDICTIONARY (partitionNumber)

KEEPDICTIONARY

BMC-AMI-Load-operational-considerations

  • If a dictionary currently exists for the table space, BMC AMI Load uses it to compress your input data.
  • If a dictionary currently exists for the table space, BMC AMI Load uses it to compress your input data. If a dictionary does not currently exist and the table space is defined with COMPRESS YES, BMC AMI Load builds a dictionary based on the input data and applies it to the rows being added only.


 

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