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What is split between RAM & Optane?
Ability to run Full node on reasonably priced HEDT machines (128Gb max memory) is crucial for true Steem decentralization, maybe even survival!

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  • How much physical RAM is there ?

192GB of physical DRAM

  • Which the motherboard that these servers has ?

These are servers based on Intel Server System R1208WFTYS (https://ark.intel.com/products/89011/Intel-Server-System-R1208WFTYS for more info).

  • Which the Optane mapped as memory ?

NVMe2 and NVMe3 are mapped as memory

*time taken for replay and fetchting 3 of days history as a full RPC node"

70723.32643200000165962 seconds

21365ms database.cpp:245              reindex              ] Done reindexing, elapsed time: 70723.32643200000165962 sec