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Revised README

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Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>
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Alex Ellis (OpenFaaS Ltd)
2025-02-21 10:38:19 +00:00
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@ -1,12 +1,12 @@
# faasd backlog and features
It's important to understand the vision for faasd vs OpenFaaS CE/Pro.
It's important to understand the vision and tradeoffs between OpenFaaS Edge (faasd-pro) vs. OpenFaaS on Kubernetes.
faasd is a single-node implementation of OpenFaaS.
It is supposed to be a lightweight, low-overhead, way to deploy OpenFaaS functions for functions which do not need planet-scale.
It is supposed to be a lightweight, low-overhead, way to deploy OpenFaaS functions for functions which do not need to scale out.
It is not supposed to have multiple replicas, clustering, HA, or auto-scaling.
It is not supposed to have multiple replicas, clustering, High Availability (HA), or auto-scaling.
[Learn when to use faasd](https://docs.openfaas.com/deployment/)
@ -43,12 +43,6 @@ It can scale vertically, and this may be a suitable alternative for many use-cas
Workaround: deploy multiple, dynamically named functions `scraper-1`, `scraper-2`, `scraper-3` and set up a reverse proxy rule to load balance i.e. `scraper.example.com => [/function/scraper-1, /function/scraper-2, /function/scraper-3]`.
### Scale from zero may give a non-200
faasd itself does not implement a health check to determine if a function is ready for traffic. Since faasd doesn't support auto-scaling, this is unlikely to affect you.
Workaround: Have your client retry HTTP calls, or don't scale to zero.
### Leaf-node only - no clustering
faasd is operates on a leaf-node/single-node model. If this is an issue for you, but you have resource constraints, you will need to use [OpenFaaS CE or Pro on Kubernetes](https://docs.openfaas.com/deployment/).
@ -77,7 +71,7 @@ There is a very detailed chapter on troubleshooting in the eBook [Serverless For
### Your function timed-out at 60 seconds
This is no longer an issue, see the manual for how to configure a longer timeout, updated 3rd October 2022.
See the manual for how to configure a longer timeouts.
### Non 200 HTTP status from the gateway upon reboot
@ -149,3 +143,5 @@ Won't have:
* [x] An installer for faasd and dependencies - runc, containerd
* [x] Offer a recommendation or implement a strategy for faasd replication/HA
* [x] [Remove / deprecate armhf / armv7 support](https://github.com/openfaas/faasd/issues/364)
* [x] Add support for CPU/RAM metrics in the UI, CLI and API
* [x] Network segmentation (functions cannot talk to each other or the host)