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General practice in embedded is to avoid writing to disk as much as possible. Data collection is mostly done by sending it to the cloud for storage there. Howev
by jononor 7y ago
General practice in embedded is to avoid writing to disk as much as possible. Data collection is mostly done by sending it to the cloud for storage there. However 'edge processing' and 'edge storage' are hot topics, so there will probably be more work in this area.
Some of the surveillance camera vendors are showing interest in this, since it would be beneficial to reduce data needed to be sent. Especially since vast majority of the data is never looked at, or only looked at once (human/machine event detection).
But one has the (fundamental?) problem that the sensor is often installed in an adversarial environment. Would be sad to try to pull data after a crime, only to realize the camera storage was destroyed.
- jononor 7y agoMany embedded applications are also not particularly form-factor constrained. A good security camera lens is often easily bigger than a couple of 2.5" hard-drives and a medium sized single-board computation. Heck, just wiring boxes for an industrial sensor system, are can often bigger than 10s of 3.5" disks.
- sigstoat 7y ago> Many embedded applications are also not particularly form-factor constrained. just because the overall package is large doesn't mean the embedded designers are allocated a large portion of that. and the upstream suppliers are always going to be pushing to be a bit smaller, so they can fit into more things, and get more sales.
- sebcat 7y agoHeat and power (think PoE class) are other constraints to take into consideration.
- oguzb 7y agoAgreed, but Raspbian is not an embedded operating system. It spams the syslog and uses a journalling filesystem.
- nitrogen 7y agoGeneral practice in embedded is to avoid writing to disk as much as possible. Yes. Data collection is mostly done by sending it to the cloud for storage there. Nononono, what has the world come to? However 'edge processing' and 'edge storage' are hot topics Meaning "how it used to be done when hardware was a hundred times slower"?