Improve description of limit_hit metric
It seems better not to use the word "lock" since it doesn't appear in any other
descriptions of the feature, and the code itself only uses words like "pool" and
"semaphore".
@@ -158,7 +158,7 @@ func (config *PrometheusConfig) NewEmitter() (metric.Emitter, error) {
Namespace: "concourse",
Subsystem: "concurrent_requests",
Name: "limit_hit_total",
- Help: "Total number of requests that failed to acquire the lock to be served.",
+ Help: "Total number of requests rejected because the server was already serving too many concurrent requests.",
}, []string{"action"})
prometheus.MustRegister(concurrentRequestsLimitHit)
