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Emerging high-performance storage technologies are opening up the possibilityof designing new distributed data acquisition system architectures, in whichthe live acquisition of data and their processing are decoupled through astorage element. An example of these technologies is 3DXPoint, which promisesto fill the gap between memory and traditional storage and offers unprecedentedhigh throughput for data persistency.  In this paper, we characterize the performance of persistent memory devices,which use the 3DXPoint technology, in the context of the data acquisitionsystem for one large Particle Physics experiment, DUNE. This experiment must becapable of storing, upon a specific signal, incoming data for up to 100seconds, with a throughput of 1.5 TB/s, for an aggregate size of 150 TB. Themodular nature of the apparatus allows splitting the problem into 150 identicalunits operating in parallel, each at 10 GB/s. The target is to be able todedicate a single CPU to each of those units for data acquisition and storage.

Experience and performance of persistent memory for the DUNE data acquisition system