| /* |
| * Copyright The Apache Software Foundation |
| * |
| * 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.regionserver; |
| |
| import org.apache.hadoop.hbase.CompatibilitySingletonFactory; |
| import org.apache.hadoop.hbase.classification.InterfaceAudience; |
| |
| import com.google.common.annotations.VisibleForTesting; |
| |
| /** |
| * This class is for maintaining the various regionserver's heap memory manager statistics and |
| * publishing them through the metrics interfaces. |
| */ |
| @InterfaceAudience.Private |
| public class MetricsHeapMemoryManager { |
| private final MetricsHeapMemoryManagerSource source; |
| |
| public MetricsHeapMemoryManager() { |
| this(CompatibilitySingletonFactory.getInstance(MetricsRegionServerSourceFactory.class) |
| .getHeapMemoryManager()); |
| } |
| |
| public MetricsHeapMemoryManager(MetricsHeapMemoryManagerSource source) { |
| this.source = source; |
| } |
| |
| public MetricsHeapMemoryManagerSource getMetricsSource() { |
| return source; |
| } |
| |
| /** |
| * Update/Set the blocked flush count histogram/gauge |
| * @param blockedFlushCount the number of blocked memstore flush since last tuning. |
| */ |
| public void updateBlockedFlushCount(final long blockedFlushCount) { |
| source.updateBlockedFlushCount(blockedFlushCount); |
| } |
| |
| /** |
| * Update/Set the unblocked flush count histogram/gauge |
| * @param unblockedFlushCount the number of unblocked memstore flush since last tuning. |
| */ |
| public void updateUnblockedFlushCount(final long unblockedFlushCount) { |
| source.updateUnblockedFlushCount(unblockedFlushCount); |
| } |
| |
| /** |
| * Set the current blockcache size used gauge |
| * @param blockCacheSize the current memory usage in blockcache, in bytes. |
| */ |
| public void setCurBlockCacheSizeGauge(final long blockCacheSize) { |
| source.setCurBlockCacheSizeGauge(blockCacheSize); |
| } |
| |
| /** |
| * Set the current global memstore size used gauge |
| * @param memStoreSize the current memory usage in memstore, in bytes. |
| */ |
| public void setCurMemStoreSizeGauge(final long memStoreSize) { |
| source.setCurMemStoreSizeGauge(memStoreSize); |
| } |
| |
| /** |
| * Update the increase/decrease memstore size histogram |
| * @param memStoreDeltaSize the tuning result of memstore. |
| */ |
| public void updateMemStoreDeltaSizeHistogram(final int memStoreDeltaSize) { |
| source.updateMemStoreDeltaSizeHistogram(memStoreDeltaSize); |
| } |
| |
| /** |
| * Update the increase/decrease blockcache size histogram |
| * @param blockCacheDeltaSize the tuning result of blockcache. |
| */ |
| public void updateBlockCacheDeltaSizeHistogram(final int blockCacheDeltaSize) { |
| source.updateBlockCacheDeltaSizeHistogram(blockCacheDeltaSize); |
| } |
| |
| /** |
| * Increase the counter for tuner neither expanding memstore global size limit nor expanding |
| * blockcache max size. |
| */ |
| public void increaseTunerDoNothingCounter() { |
| source.increaseTunerDoNothingCounter(); |
| } |
| |
| /** |
| * Increase the counter for heap occupancy percent above low watermark |
| */ |
| public void increaseAboveHeapOccupancyLowWatermarkCounter() { |
| source.increaseAboveHeapOccupancyLowWatermarkCounter(); |
| } |
| } |