[zeromq-dev] Migrating IPC-based Pub/Sub System To ZMQ

Santy, Michael Michael.Santy at dynetics.com
Mon Aug 16 19:29:55 CEST 2010

> PUSH/PULL (aka DOWNSTREAM/UPSTREAM) will load-balance requests among
> processors. They are designed precisely for this use case.

Because of the variability in computation time on the worker nodes we don't use round-robin, but instead use least-recently-used (LRU) scheduling.  When done processing a worker reports that it is ready, so the scheduling logic must be in the application.  If the scheduling was round-robin, the DOWNSTREAM/UPSTREAM would be a perfect fit.  It sounds like I'll need to come up with some application-level workaround for this use-case.

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