Processing weights

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An LP with dedicated CPs is not affected by processing weights.

Processing weights are used to specify the portion of the shared CP resources allocated to an LP. Although PR/SM always manages sharing LPs according to the specified processing weights, there are times when an LP will receive either more or less than its processing share:

  • An LP will receive more than its processing share when there is excess CP capacity, provided it has work to do and other LPs are not using their share.
  • An LP will receive less than its processing share when its workload demand drops below the capacity specified by its weight.
  • An LP will not receive more than its processing share when the CP resources for that LP are capped.

The recommended procedure is to specify processing weights to satisfy the peak requirements of the LPs.

Use the Customize/Delete Activation Profiles task to open a reset or image profile to define the processing weight for a shared LP. The Processing weight field is located in the Logical processor assignment group box on the Processor page for the LP.