com.alibaba.nacos.naming.monitor.NamingDynamicMeterRefreshService Maven / Gradle / Ivy
/*
* Copyright 1999-2022 Alibaba Group Holding Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.alibaba.nacos.naming.monitor;
import com.alibaba.nacos.common.utils.Pair;
import com.alibaba.nacos.core.monitor.NacosMeterRegistryCenter;
import io.micrometer.core.instrument.ImmutableTag;
import io.micrometer.core.instrument.Tag;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Service;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.atomic.AtomicInteger;
/**
* dynamic meter refresh service.
*
* @author liuyixiao
*/
@Service
public class NamingDynamicMeterRefreshService {
private static final String TOPN_SERVICE_CHANGE_REGISTRY = NacosMeterRegistryCenter.TOPN_SERVICE_CHANGE_REGISTRY;
private static final int SERVICE_CHANGE_N = 10;
/**
* refresh service change count top n per 30s.
*/
@Scheduled(cron = "0/30 * * * * *")
public void refreshTopnServiceChangeCount() {
NacosMeterRegistryCenter.clear(TOPN_SERVICE_CHANGE_REGISTRY);
List> topnServiceChangeCount = MetricsMonitor.getServiceChangeCount()
.getTopNCounter(SERVICE_CHANGE_N);
for (Pair serviceChangeCount : topnServiceChangeCount) {
List tags = new ArrayList<>();
tags.add(new ImmutableTag("service", serviceChangeCount.getFirst()));
NacosMeterRegistryCenter
.gauge(TOPN_SERVICE_CHANGE_REGISTRY, "service_change_count", tags, serviceChangeCount.getSecond());
}
}
/**
* reset service change count to 0 every week.
*/
@Scheduled(cron = "0 0 0 ? * 1")
public void resetTopnServiceChangeCount() {
MetricsMonitor.getServiceChangeCount().reset();
}
}