| /** |
| * 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 |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * 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.yarn.server.applicationhistoryservice.metrics.timeline.source.cache; |
| |
| import org.apache.hadoop.metrics2.sink.timeline.cache.TimelineMetricsEhCacheSizeOfEngine; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class InternalMetricsCacheSizeOfEngine extends TimelineMetricsEhCacheSizeOfEngine { |
| private final static Logger LOG = LoggerFactory.getLogger(InternalMetricsCacheSizeOfEngine.class); |
| |
| public InternalMetricsCacheSizeOfEngine() { |
| // Invoke default constructor in base class |
| } |
| |
| @Override |
| protected long getSizeOfEntry(Object key, Object value) { |
| try { |
| LOG.debug("BEGIN - Sizeof, key: {}, value: {}", key, value); |
| long size = 0; |
| if (key instanceof InternalMetricCacheKey) { |
| InternalMetricCacheKey metricCacheKey = (InternalMetricCacheKey) key; |
| size += reflectionSizeOf.sizeOf(metricCacheKey.getMetricName()); |
| size += reflectionSizeOf.sizeOf(metricCacheKey.getAppId()); |
| size += reflectionSizeOf.sizeOf(metricCacheKey.getInstanceId()); // null safe |
| size += reflectionSizeOf.sizeOf(metricCacheKey.getHostname()); |
| } |
| if (value instanceof InternalMetricCacheValue) { |
| size += getValueMapSize(((InternalMetricCacheValue) value).getMetricValues()); |
| } |
| // Mark size as not being exact |
| return size; |
| } finally { |
| LOG.debug("END - Sizeof, key: {}", key); |
| } |
| } |
| } |