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?
There are also situations where you can do it safely if there’s already the ability for remote communication built in. I have some MariaDB containers on a different machine to what’s using and serving the data. I could’ve had them in the same Compose file on the one machine, communicating over an internal Docker network. Instead I just changed it to point at an external port instead.
Agreed! If the application can handle these files (or other resources) disappearing for a while during network issues, then sure, they can be separate. However, if an application depends on a file for its core functionality, I do not think it is a good idea.
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There are also situations where you can do it safely if there’s already the ability for remote communication built in. I have some MariaDB containers on a different machine to what’s using and serving the data. I could’ve had them in the same Compose file on the one machine, communicating over an internal Docker network. Instead I just changed it to point at an external port instead.
Agreed! If the application can handle these files (or other resources) disappearing for a while during network issues, then sure, they can be separate. However, if an application depends on a file for its core functionality, I do not think it is a good idea.