GetQueueCounts issues an RPC call to get the queue counts from the given hostAndPort.

NewQueueCounts creates a new empty QueueCounts struct.

NewMemoryQueue creates a new empty in-memory queue.

NewRequestsBuckets generates a new RequestsBuckets with the given granularity.

Count is a snapshot of the HTTP pending request (Concurrency) count and RPS for each host.

Memory is a Counter implementation that holds the HTTP queue in memory only.

RequestsBuckets keeps buckets that have been collected at a certain time.

QueueCounter represents a virtual HTTP queue, possibly distributed across multiple HTTP server processes.

CountReader represents the size of a virtual HTTP queue, possibly distributed across multiple HTTP server processes.