.pipeThrough(serialize) // even more buffers...
But of course, like any immutable system, there are mutable parts (otherwise, we couldn’t create any configuration files). OSTree handles this with “overlays” (actually, we use OverlayFS) that allow a read-write filesystem to be layered on top of the immutable system. For example, the /etc and /var directories are writable, while the rest of the system is read-only.
，更多细节参见搜狗输入法下载
Four days later:
I figured the Secure Snake Home community would be excited to have a new server to play on, so I wanted to support at least a thousand concurrent players. But early performance profiling was bad. I was using something like a full core for every 40 users.
這感覺幾乎就像有位專攻動作片的攝影指導或攝影師在協助你。