ScaleEvent Struct Reference

One change to the server pool, kept for the scaling timeline in the log. More...

#include <LoadBalancer.h>

Public Types
enum class	Kind {   Added , Reactivated , Removed , Retiring ,   Retired }
	What happened to the server. More...

Public Attributes
unsigned long	cycle = 0
	Clock cycle of the change.
Kind	kind = Kind::Added
	Type of change.
unsigned int	serverId = 0
	Server affected.
std::size_t	queueSize = 0
	Queue size that triggered the change.
std::size_t	activeServers = 0
	Active (non-retiring) servers after the change.

Detailed Description

One change to the server pool, kept for the scaling timeline in the log.

Definition at line 40 of file LoadBalancer.h.

Member Enumeration Documentation

Kind

enum class ScaleEvent::Kind

strong

What happened to the server.

Enumerator
Added	A new server was created.
Reactivated	A retiring server was returned to service instead of creating one.
Removed	An idle server was removed immediately.
Retiring	A busy server was marked to be removed after its current request.
Retired	A retiring server finished its request and was removed.

Definition at line 42 of file LoadBalancer.h.

Member Data Documentation

cycle

unsigned long ScaleEvent::cycle = 0

Clock cycle of the change.

Definition at line 49 of file LoadBalancer.h.

kind

Kind ScaleEvent::kind = Kind::Added

Type of change.

Definition at line 50 of file LoadBalancer.h.

serverId

unsigned int ScaleEvent::serverId = 0

Server affected.

Definition at line 51 of file LoadBalancer.h.

queueSize

std::size_t ScaleEvent::queueSize = 0

Queue size that triggered the change.

Definition at line 52 of file LoadBalancer.h.

activeServers

std::size_t ScaleEvent::activeServers = 0

Active (non-retiring) servers after the change.

Definition at line 53 of file LoadBalancer.h.

---

The documentation for this struct was generated from the following file:

• LoadBalancer.h