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A supervisor service boils down to the same issue if there's a network partition or if the machine just blows up, a disk fails, the kernel panics, the power sup
by AYBABTME 11y ago
A supervisor service boils down to the same issue if there's a network partition or if the machine just blows up, a disk fails, the kernel panics, the power supply dies, etc. The thing is you can't guarantee that any process will survive all a request, so you might as well work as if you were living in Hell and every request has a 0.5 probability of failing (by any mean).
- nemothekid 11y agoRight, which are cases where a graceful restart will never help you. If a user is uploading a 4K video file and the server dies because god said so, well they can just try again. If the server dies because the dev team decides to push to prod 4x in an hour and the user has to retry every time, a graceful restart lets you do that without pissing off anyone who was using that live connection.
- AYBABTME 11y agoAgreed, that's what I meant in: I think graceful restarts are fine for servers that offer web pages or other things where a client will not retry a request. + when retrying a request is not practical.