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type CacheComparer

type CacheComparer struct {
	NodeLister corelisters.NodeLister
	PodLister  corelisters.PodLister
	Cache      internalcache.Cache
	PodQueue   internalqueue.SchedulingQueue

CacheComparer is an implementation of the Scheduler's cache comparer.

func (*CacheComparer) Compare

func (c *CacheComparer) Compare() error

Compare compares the nodes and pods of NodeLister with Cache.Snapshot.

func (*CacheComparer) CompareNodes

func (c *CacheComparer) CompareNodes(nodes []*v1.Node, nodeinfos map[string]*framework.NodeInfo) (missed, redundant []string)

CompareNodes compares actual nodes with cached nodes.

func (*CacheComparer) ComparePods

func (c *CacheComparer) ComparePods(pods, waitingPods []*v1.Pod, nodeinfos map[string]*framework.NodeInfo) (missed, redundant []string)

ComparePods compares actual pods with cached pods.

type CacheDebugger

type CacheDebugger struct {
	Comparer CacheComparer
	Dumper   CacheDumper

CacheDebugger provides ways to check and write cache information for debugging.

func New

func New(
	nodeLister corelisters.NodeLister,
	podLister corelisters.PodLister,
	cache internalcache.Cache,
	podQueue internalqueue.SchedulingQueue,
) *CacheDebugger

New creates a CacheDebugger.

func (*CacheDebugger) ListenForSignal

func (d *CacheDebugger) ListenForSignal(stopCh <-chan struct{})

ListenForSignal starts a goroutine that will trigger the CacheDebugger's behavior when the process receives SIGINT (Windows) or SIGUSER2 (non-Windows).

type CacheDumper

type CacheDumper struct {
	// contains filtered or unexported fields

CacheDumper writes some information from the scheduler cache and the scheduling queue to the scheduler logs for debugging purposes.

func (*CacheDumper) DumpAll

func (d *CacheDumper) DumpAll()

DumpAll writes cached nodes and scheduling queue information to the scheduler logs.