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graphql | ||
http1 | ||
http2 | ||
ws | ||
readme.md |
metrics-service
A service which produces random streams of data (firehose) of interpretable metric information for various subsystems that can or will be pulled out from a container. These are currently defined in RFD-0037.
This spike's purpose was to find the best pattern to expose such metrics service with mock data.
http1
- very simple API to push data from the server to the client
- plain HTTP
- requires a connection to each container - because it's not bidirectional, we can't subscribe to more containers on-demand
http2
- very simple API to push data from the server to the client
- multiplexing
- push doesn't really help us, because it's only useful for static resources
graphql
- common interface between all data resources
- filter received data
- api not finalised yet
- api not documented
ws (with nes)
- strong integration with Hapi
- allow to subscribe and unsubscribe on-demand on a single connection
- some networks might require fallback to pooling