aggregate metrics data
The daemons aggregate the raw points sent by
It is also responsible for monitoring and alerting, though that functionality is disabled for now.
In order to scale, metrics data can be spread across multiple daemons that are
configured as a ring. A list of their
address:ports needs to be passed in
require'zag-daemon'host: "address:port"join: "address:port"db: "postgres://postgres:1234@localhost/postgres"env: "prod" or "dev"backend: require'zag-backend-pg'on"error"
zag-agent uses the UDP API.
The primary protocol for recording metrics is over UDP. Each daemon is running a UDP
The data should be newline-delimited lines of the form:
value- Number. Positive or negative, integer or decimal.
The POST body should be in the same format as the UDP data. The points are recorded as the arrive, so the client can just keep sending data down a single connection instead of making repeated requests.