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(Why) would it be "bad practice" to separate CPU and storage to separate devices? (lemmy.world)

submitted 2 years ago* (last edited 2 years ago) by PlutoniumAcid@lemmy.world to c/selfhosted@lemmy.world

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TLDR: I am running some Docker containers on a homelab server, and the containers' volumes are mapped to NFS shares on my NAS. Is that bad performance?

I have a Linux PC that acts as my homelab server, and a Synology NAS.
The server is fast but has 100GB SSD.
The NAS is slow(er) but has oodles of storage.
Both devices are wired to their own little gigabit switch, using priority ports.

Of course it's slower to run off HDD drives compared to SSD, but I do not have a large SSD. The question is: (why) would it be "bad practice" to separate CPU and storage this way? Isn't that pretty much what a data center also does?

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[–] jesterraiin@lemmy.world 2 points 2 years ago

With each "gate" between the devices, the performance, security and stability suffers additional setbacks and limitations. In your case, you introduced a few new "gates":

the connection between NAS, router and your PC (Wifi/cable)
router
network stability

Of course it's theory, since the actual performance depends on details, he amount and type of data, how you access it and what you're doing with/to it.