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• The heavy-lifting SMD0 core (MPI rank 0) needs to be assigned on an individual node exclusively. This will allow the entire node to read smalldata in parallel at the full bandwidth.
• The Srv cores (data writing) should not exceed some limit (currently, we see 8 as the upper limit for data writing cores).

More detail on node types - PSANA2 diagram.

To assign node configurations, run 

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