- Some scheduler extender API fields are moved from `pkg/scheduler/api` to `pkg/scheduler/apis/extender/v1`. ([#83262](https://github.com/kubernetes/kubernetes/pull/83262), [@Huang-Wei](https://github.com/Huang-Wei))

        this.channelCounter = new AtomicInteger(0);
        this.multiChannelEnabled = false;

        // Schedule periodic health checks
        scheduler.scheduleAtFixedRate(this::performHealthCheck, 10, 10, TimeUnit.SECONDS);

        // Schedule interface discovery
        scheduler.scheduleAtFixedRate(this::discoverInterfaces, 0, 30, TimeUnit.SECONDS);
    }

    /**
     * Initialize multi-channel support

cloud.google.com/gcr/images/k8s-artifacts-prod/us/kube-scheduler) | [amd64](https://console.cloud.google.com/gcr/images/k8s-artifacts-prod/us/kube-scheduler-amd64), [arm](https://console.cloud.google.com/gcr/images/k8s-artifacts-prod/us/kube-scheduler-arm), [arm64](https://console.cloud.google.com/gcr/images/k8s-artifacts-prod/us/kube-scheduler-arm64), [ppc64le](https://console.cloud.google.com/gcr/images/k8s-artifacts-prod/us/kube-scheduler-ppc64le), [s390x](https://console.cloud.google.com/gcr...

                                <c:if test="${fe:permission('admin-scheduler')}">
                                    <la:link styleClass="btn btn-success"
                                             href="/admin/scheduler/createnewjob/file_crawling/${f:u(id)}/${fe:base64(name)}">
                                        <em class="fa fa-plus-circle">

cloud.google.com/gcr/images/k8s-artifacts-prod/us/kube-scheduler) | [amd64](https://console.cloud.google.com/gcr/images/k8s-artifacts-prod/us/kube-scheduler-amd64), [arm](https://console.cloud.google.com/gcr/images/k8s-artifacts-prod/us/kube-scheduler-arm), [arm64](https://console.cloud.google.com/gcr/images/k8s-artifacts-prod/us/kube-scheduler-arm64), [ppc64le](https://console.cloud.google.com/gcr/images/k8s-artifacts-prod/us/kube-scheduler-ppc64le), [s390x](https://console.cloud.google.com/gcr...

/docker/k8s-artifacts-prod/southamerica-east1/images/kube-scheduler) | [amd64](https://console.cloud.google.com/artifacts/docker/k8s-artifacts-prod/southamerica-east1/images/kube-scheduler-amd64), [arm64](https://console.cloud.google.com/artifacts/docker/k8s-artifacts-prod/southamerica-east1/images/kube-scheduler-arm64), [ppc64le](https://console.cloud.google.com/artifacts/docker/k8s-artifacts-prod/southamerica-east1/images/kube-scheduler-ppc64le), [s390x](https://console.cloud.google.com/artifa...

    private final AtomicInteger globalAttemptsInCurrentWindow = new AtomicInteger(0);
    private final AtomicLong currentWindowStart = new AtomicLong(System.currentTimeMillis());

    // Cleanup scheduler
    private final ScheduledExecutorService cleanupScheduler;
    private final AtomicBoolean closed = new AtomicBoolean(false);

    // Statistics
    private final AtomicLong totalAttemptsBlocked = new AtomicLong(0);

							<p><la:message key="labels.menu_crawl_config" /></p>
						</a>
					</li>
					</c:if>
					<c:if test="${fe:permission('admin-scheduler-view')}">
					<li class="nav-item">
						<a href="${fe:url('/admin/scheduler/')}" class="nav-link <c:if test="${param.menuType=='scheduler'}">active</c:if>">
							<em class='fa fa-genderless nav-icon'>
							<p><la:message key="labels.menu_scheduler_config" /></p>
						</a></li></c:if>

    /**
     * Registers a scheduled job with the job manager.
     *
     * @param scheduledJob the scheduled job to register
     */
    public void register(final ScheduledJob scheduledJob) {
        final JobManager jobManager = ComponentUtil.getJobManager();
        jobManager.schedule(cron -> register(cron, scheduledJob));
    }

    /**
     * Registers a scheduled job with the specified cron scheduler.
     *

		<c:if test="${fe:permission('admin-scheduler')}">
			<li class="nav-item" data-toggle="tooltip" data-placement="left"
				title="<la:message key="labels.tooltip_run_crawler" />"><a class="nav-link"
									 href="${contextPath}/admin/scheduler/details/4/default_crawler"><em
					class="fa fa-play-circle"></a></li>
		</c:if>
		<c:if test="${not empty forumLink}">