Comment on Stack Overflow is a cacheless, 9-server on-prem monolithComments−cosmotic3yIt's not cacheless. There are countless caches throughout (including what appears to be ~1TB of memory in the database server), just not a dedicated cache machine.−Sammi3yIt think OP is only referring to server architecture. And as you say there is no cache server. So cacheless server architecture.−ElectricalUnion3yBy this definition almost all non-toy applications under non-toy OSes have caches, because of CPU caches and registers.
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It's not cacheless. There are countless caches throughout (including what appears to be ~1TB of memory in the database server), just not a dedicated cache machine.
It think OP is only referring to server architecture. And as you say there is no cache server. So cacheless server architecture.
By this definition almost all non-toy applications under non-toy OSes have caches, because of CPU caches and registers.