| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.hadoop.hbase; |
| |
| import java.util.Map; |
| import org.apache.hadoop.hbase.executor.ExecutorService; |
| import org.apache.hadoop.hbase.executor.ExecutorService.ExecutorStatus; |
| import org.apache.hadoop.hbase.regionserver.MetricsRegionServerSource; |
| import org.apache.hadoop.hbase.regionserver.MetricsRegionServerSourceImpl; |
| import org.apache.hadoop.hbase.util.Pair; |
| import org.apache.hadoop.metrics2.lib.DynamicMetricsRegistry; |
| import org.apache.hadoop.metrics2.lib.MutableGaugeLong; |
| import org.apache.hadoop.util.StringUtils; |
| import org.apache.yetus.audience.InterfaceAudience; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * The Class ExecutorStatusChore for collect Executor status info periodically and report to metrics |
| * system |
| */ |
| @InterfaceAudience.Private |
| public class ExecutorStatusChore extends ScheduledChore { |
| private static final Logger LOG = LoggerFactory.getLogger(HealthCheckChore.class); |
| public static final String WAKE_FREQ = "hbase.executors.status.collect.period"; |
| public static final int DEFAULT_WAKE_FREQ = 60000; |
| private ExecutorService service; |
| private DynamicMetricsRegistry metricsRegistry; |
| |
| public ExecutorStatusChore(int sleepTime, Stoppable stopper, ExecutorService service, |
| MetricsRegionServerSource metrics) { |
| super("ExecutorStatusChore", stopper, sleepTime); |
| LOG.info("ExecutorStatusChore runs every {} ", StringUtils.formatTime(sleepTime)); |
| this.service = service; |
| this.metricsRegistry = ((MetricsRegionServerSourceImpl) metrics).getMetricsRegistry(); |
| } |
| |
| @Override |
| protected void chore() { |
| try { |
| // thread pool monitor |
| Map<String, ExecutorStatus> statuses = service.getAllExecutorStatuses(); |
| for (Map.Entry<String, ExecutorStatus> statusEntry : statuses.entrySet()) { |
| String name = statusEntry.getKey(); |
| // Executor's name is generate by ExecutorType#getExecutorName |
| // include ExecutorType & Servername(split by '-'), here we only need the ExecutorType |
| String poolName = name.split("-")[0]; |
| ExecutorStatus status = statusEntry.getValue(); |
| MutableGaugeLong queued = metricsRegistry.getGauge(poolName + "_queued", 0L); |
| MutableGaugeLong running = metricsRegistry.getGauge(poolName + "_running", 0L); |
| int queueSize = status.getQueuedEvents().size(); |
| int runningSize = status.getRunning().size(); |
| if (queueSize > 0) { |
| LOG.warn("{}'s size info, queued: {}, running: {}", poolName, queueSize, runningSize); |
| } |
| queued.set(queueSize); |
| running.set(runningSize); |
| } |
| } catch (Throwable e) { |
| LOG.error(e.getMessage(), e); |
| } |
| } |
| |
| public Pair<Long, Long> getExecutorStatus(String poolName) { |
| MutableGaugeLong running = metricsRegistry.getGauge(poolName + "_running", 0L); |
| MutableGaugeLong queued = metricsRegistry.getGauge(poolName + "_queued", 0L); |
| return new Pair<Long, Long>(running.value(), queued.value()); |
| } |
| } |