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Support Article

High CPU consumption during outbound campaign run



Marketing outbound campaign runs on 5 nodes and consumes almost 100% of all 4 CPU cores available on each node.
This triggers issues which might result in campaign failures.

Error Messages

Not Applicable.

Steps to Reproduce

Run an outbound campaign with the segment that has more than 3 million records.

Root Cause

A defect or configuration issue in the operating environment.


Make the following change to the operating environment:
  1. Segregate the Decision Data Stores (DDS) nodes cluster and Data Flow nodes cluster
  2. Reduce the number of threads from 5 to 3 in the Decisioning services > Dataflow cluster landing page


Published July 24, 2018 - Updated October 8, 2020

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