synd_api

synd_api

syndicationd graphql api server

OpenTelemetry

synd-api is instrumented with OpenTelemetry.

Traces

graphql request traces is exported

Metrics

Following metrics are exported

Metrics	Meter	Description
http.server.request	Counter	http request traffic per status code
graphql.duration	Histogram	graphql latency
usecase	Counter	usecase traffic per operation
cache.feed.count	Gauge	feed cache entry count
cache.feed.size	Gauge	feed cache size

Configurations

Flag	Description	Example
--addr	Server bind address	0.0.0.0
--port	Server bind port	5959
--timeout	Request timeout	30s
--body-limit-bytes	Request body limit	2048
--concurrency-limit	Request concurrency limit	100
--kvsd-host	Kvsd host	192.168.10.151
--kvsd-port	Kvsd port	7379
--kvsd-username	Kvsd username	ferris
--kvsd-password	Kvsd password	secret
--tls-cert	Tls certificate path	/path/to/certificate.pem
--tls-key	Tls private key path	/path/to/secret.pem
--show-code-location	Show code location(foo.rs:10) in signals(logs)	false
--show-target	Show tracing target(module) ins signals(logs)	true
--trace-sampler-ratio	Trace sampler ratio	1
--feed-cache-ttl	Feed entry cache TTL	180min
-feed-cache-refresh-interval	Feed entry cache refresh interval	120min

Features

Feature	Description	Default
introspection	Enable graphql introspection	false
opentelemetry-stdout	Enable opentelemetry stdout exporter	false