| /* |
| * 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 java.util.concurrent.atomic.AtomicInteger; |
| import java.util.concurrent.atomic.AtomicLong; |
| |
| import org.apache.yetus.audience.InterfaceAudience; |
| |
| /** |
| * Accounting of current heap and data sizes. |
| * Thread-safe. Many threads can do updates against this single instance. |
| * @see NonThreadSafeMemStoreSizing |
| * @see MemStoreSize |
| */ |
| @InterfaceAudience.Private |
| class ThreadSafeMemStoreSizing implements MemStoreSizing { |
| // We used to tie the update of these thread counters so |
| // they all changed together under one lock. This was |
| // undone. Doesn't seem necessary. |
| private final AtomicLong dataSize = new AtomicLong(); |
| private final AtomicLong heapSize = new AtomicLong(); |
| private final AtomicLong offHeapSize = new AtomicLong(); |
| private final AtomicInteger cellsCount = new AtomicInteger(); |
| |
| ThreadSafeMemStoreSizing() { |
| this(0, 0, 0, 0); |
| } |
| |
| ThreadSafeMemStoreSizing(MemStoreSize mss) { |
| this(mss.getDataSize(), mss.getHeapSize(), mss.getOffHeapSize(), mss.getCellsCount()); |
| } |
| |
| ThreadSafeMemStoreSizing(long dataSize, long heapSize, long offHeapSize, int cellsCount) { |
| incMemStoreSize(dataSize, heapSize, offHeapSize, cellsCount); |
| } |
| |
| public MemStoreSize getMemStoreSize() { |
| return new MemStoreSize(getDataSize(), getHeapSize(), getOffHeapSize(), getCellsCount()); |
| } |
| |
| @Override |
| public long incMemStoreSize(long dataSizeDelta, long heapSizeDelta, long offHeapSizeDelta, |
| int cellsCountDelta) { |
| this.offHeapSize.addAndGet(offHeapSizeDelta); |
| this.heapSize.addAndGet(heapSizeDelta); |
| this.cellsCount.addAndGet(cellsCountDelta); |
| return this.dataSize.addAndGet(dataSizeDelta); |
| } |
| |
| @Override |
| public boolean compareAndSetDataSize(long expected, long updated) { |
| return dataSize.compareAndSet(expected, updated); |
| } |
| |
| @Override |
| public long getDataSize() { |
| return dataSize.get(); |
| } |
| |
| @Override |
| public long getHeapSize() { |
| return heapSize.get(); |
| } |
| |
| @Override |
| public long getOffHeapSize() { |
| return offHeapSize.get(); |
| } |
| |
| @Override |
| public int getCellsCount() { |
| return cellsCount.get(); |
| } |
| |
| @Override |
| public String toString() { |
| return getMemStoreSize().toString(); |
| } |
| } |