| /* |
| * 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.classification.InterfaceAudience; |
| import org.apache.hadoop.hbase.metrics.BaseSourceImpl; |
| import org.apache.hadoop.metrics2.MetricHistogram; |
| import org.apache.hadoop.metrics2.lib.MutableFastCounter; |
| import org.apache.hadoop.metrics2.lib.MutableGaugeLong; |
| |
| /** |
| * Hadoop2 implementation of MetricsHeapMemoryManagerSource. Implements BaseSource through |
| * BaseSourceImpl, following the pattern |
| */ |
| @InterfaceAudience.Private |
| public class MetricsHeapMemoryManagerSourceImpl extends BaseSourceImpl implements |
| MetricsHeapMemoryManagerSource { |
| |
| private final MetricHistogram blockedFlushHistogram; |
| private final MetricHistogram unblockedFlushHistogram; |
| private final MetricHistogram incMemStoreSizeHistogram; |
| private final MetricHistogram decMemStoreSizeHistogram; |
| private final MetricHistogram incBlockCacheSizeHistogram; |
| private final MetricHistogram decBlockCacheSizeHistogram; |
| |
| private final MutableGaugeLong blockedFlushGauge; |
| private final MutableGaugeLong unblockedFlushGauge; |
| private final MutableGaugeLong memStoreSizeGauge; |
| private final MutableGaugeLong blockCacheSizeGauge; |
| |
| private final MutableFastCounter doNothingCounter; |
| private final MutableFastCounter aboveHeapOccupancyLowWatermarkCounter; |
| |
| public MetricsHeapMemoryManagerSourceImpl() { |
| this(METRICS_NAME, METRICS_DESCRIPTION, METRICS_CONTEXT, METRICS_JMX_CONTEXT); |
| } |
| |
| public MetricsHeapMemoryManagerSourceImpl(String metricsName, String metricsDescription, |
| String metricsContext, String metricsJmxContext) { |
| super(metricsName, metricsDescription, metricsContext, metricsJmxContext); |
| |
| // Histograms |
| blockedFlushHistogram = getMetricsRegistry() |
| .newSizeHistogram(BLOCKED_FLUSH_NAME, BLOCKED_FLUSH_DESC); |
| unblockedFlushHistogram = getMetricsRegistry() |
| .newSizeHistogram(UNBLOCKED_FLUSH_NAME, UNBLOCKED_FLUSH_DESC); |
| incMemStoreSizeHistogram = getMetricsRegistry() |
| .newSizeHistogram(INC_MEMSTORE_TUNING_NAME, INC_MEMSTORE_TUNING_DESC); |
| decMemStoreSizeHistogram = getMetricsRegistry() |
| .newSizeHistogram(DEC_MEMSTORE_TUNING_NAME, DEC_MEMSTORE_TUNING_DESC); |
| incBlockCacheSizeHistogram = getMetricsRegistry() |
| .newSizeHistogram(INC_BLOCKCACHE_TUNING_NAME, INC_BLOCKCACHE_TUNING_DESC); |
| decBlockCacheSizeHistogram = getMetricsRegistry() |
| .newSizeHistogram(DEC_BLOCKCACHE_TUNING_NAME, DEC_BLOCKCACHE_TUNING_DESC); |
| |
| // Gauges |
| blockedFlushGauge = getMetricsRegistry() |
| .newGauge(BLOCKED_FLUSH_GAUGE_NAME, BLOCKED_FLUSH_GAUGE_DESC, 0L); |
| unblockedFlushGauge = getMetricsRegistry() |
| .newGauge(UNBLOCKED_FLUSH_GAUGE_NAME, UNBLOCKED_FLUSH_GAUGE_DESC, 0L); |
| memStoreSizeGauge = getMetricsRegistry() |
| .newGauge(MEMSTORE_SIZE_GAUGE_NAME, MEMSTORE_SIZE_GAUGE_DESC, 0L); |
| blockCacheSizeGauge = getMetricsRegistry() |
| .newGauge(BLOCKCACHE_SIZE_GAUGE_NAME, BLOCKCACHE_SIZE_GAUGE_DESC, 0L); |
| |
| // Counters |
| doNothingCounter = getMetricsRegistry() |
| .newCounter(DO_NOTHING_COUNTER_NAME, DO_NOTHING_COUNTER_DESC, 0L); |
| aboveHeapOccupancyLowWatermarkCounter = getMetricsRegistry() |
| .newCounter(ABOVE_HEAP_LOW_WATERMARK_COUNTER_NAME, |
| ABOVE_HEAP_LOW_WATERMARK_COUNTER_DESC, 0L); |
| } |
| |
| @Override |
| public void updateBlockedFlushCount(long blockedFlushCount) { |
| if (blockedFlushCount > 0) { |
| blockedFlushHistogram.add(blockedFlushCount); |
| blockedFlushGauge.set(blockedFlushCount); |
| } |
| } |
| |
| @Override |
| public void updateUnblockedFlushCount(long unblockedFlushCount) { |
| if (unblockedFlushCount > 0) { |
| unblockedFlushHistogram.add(unblockedFlushCount); |
| unblockedFlushGauge.set(unblockedFlushCount); |
| } |
| } |
| |
| @Override |
| public void setCurBlockCacheSizeGauge(long blockcacheSize) { |
| blockCacheSizeGauge.set(blockcacheSize); |
| } |
| |
| @Override |
| public void setCurMemStoreSizeGauge(long memstoreSize) { |
| memStoreSizeGauge.set(memstoreSize); |
| } |
| |
| @Override |
| public void updateMemStoreDeltaSizeHistogram(int memStoreDeltaSize) { |
| if (memStoreDeltaSize >= 0) { |
| incMemStoreSizeHistogram.add(memStoreDeltaSize); |
| } else if (memStoreDeltaSize < 0) { |
| decMemStoreSizeHistogram.add(-memStoreDeltaSize); |
| } |
| } |
| |
| @Override |
| public void updateBlockCacheDeltaSizeHistogram(int blockCacheDeltaSize) { |
| if (blockCacheDeltaSize >= 0) { |
| incBlockCacheSizeHistogram.add(blockCacheDeltaSize); |
| } else if (blockCacheDeltaSize < 0) { |
| decBlockCacheSizeHistogram.add(-blockCacheDeltaSize); |
| } |
| } |
| |
| @Override |
| public void increaseTunerDoNothingCounter() { |
| doNothingCounter.incr(); |
| } |
| |
| @Override |
| public void increaseAboveHeapOccupancyLowWatermarkCounter() { |
| aboveHeapOccupancyLowWatermarkCounter.incr(); |
| } |
| } |