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| <pre><span class="source-line-no">001</span><span id="line-1">/*</span> |
| <span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span> |
| <span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span> |
| <span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span> |
| <span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span> |
| <span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span> |
| <span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span> |
| <span class="source-line-no">009</span><span id="line-9"> *</span> |
| <span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="source-line-no">011</span><span id="line-11"> *</span> |
| <span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span> |
| <span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span> |
| <span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span> |
| <span class="source-line-no">017</span><span id="line-17"> */</span> |
| <span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.regionserver;</span> |
| <span class="source-line-no">019</span><span id="line-19"></span> |
| <span class="source-line-no">020</span><span id="line-20">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">021</span><span id="line-21"></span> |
| <span class="source-line-no">022</span><span id="line-22">/**</span> |
| <span class="source-line-no">023</span><span id="line-23"> * Accounting of current heap and data sizes. <em>NOT THREAD SAFE</em>. Use in a 'local' context</span> |
| <span class="source-line-no">024</span><span id="line-24"> * only where just a single-thread is updating. No concurrency! Used, for example, when summing all</span> |
| <span class="source-line-no">025</span><span id="line-25"> * Cells in a single batch where result is then applied to the Store.</span> |
| <span class="source-line-no">026</span><span id="line-26"> * @see ThreadSafeMemStoreSizing</span> |
| <span class="source-line-no">027</span><span id="line-27"> */</span> |
| <span class="source-line-no">028</span><span id="line-28">@InterfaceAudience.Private</span> |
| <span class="source-line-no">029</span><span id="line-29">class NonThreadSafeMemStoreSizing implements MemStoreSizing {</span> |
| <span class="source-line-no">030</span><span id="line-30"> private long dataSize = 0;</span> |
| <span class="source-line-no">031</span><span id="line-31"> private long heapSize = 0;</span> |
| <span class="source-line-no">032</span><span id="line-32"> private long offHeapSize = 0;</span> |
| <span class="source-line-no">033</span><span id="line-33"> private int cellsCount = 0;</span> |
| <span class="source-line-no">034</span><span id="line-34"></span> |
| <span class="source-line-no">035</span><span id="line-35"> NonThreadSafeMemStoreSizing() {</span> |
| <span class="source-line-no">036</span><span id="line-36"> this(0, 0, 0, 0);</span> |
| <span class="source-line-no">037</span><span id="line-37"> }</span> |
| <span class="source-line-no">038</span><span id="line-38"></span> |
| <span class="source-line-no">039</span><span id="line-39"> NonThreadSafeMemStoreSizing(MemStoreSize mss) {</span> |
| <span class="source-line-no">040</span><span id="line-40"> this(mss.getDataSize(), mss.getHeapSize(), mss.getOffHeapSize(), mss.getCellsCount());</span> |
| <span class="source-line-no">041</span><span id="line-41"> }</span> |
| <span class="source-line-no">042</span><span id="line-42"></span> |
| <span class="source-line-no">043</span><span id="line-43"> NonThreadSafeMemStoreSizing(long dataSize, long heapSize, long offHeapSize, int cellsCount) {</span> |
| <span class="source-line-no">044</span><span id="line-44"> incMemStoreSize(dataSize, heapSize, offHeapSize, cellsCount);</span> |
| <span class="source-line-no">045</span><span id="line-45"> }</span> |
| <span class="source-line-no">046</span><span id="line-46"></span> |
| <span class="source-line-no">047</span><span id="line-47"> @Override</span> |
| <span class="source-line-no">048</span><span id="line-48"> public MemStoreSize getMemStoreSize() {</span> |
| <span class="source-line-no">049</span><span id="line-49"> return new MemStoreSize(this.dataSize, this.heapSize, this.offHeapSize, this.cellsCount);</span> |
| <span class="source-line-no">050</span><span id="line-50"> }</span> |
| <span class="source-line-no">051</span><span id="line-51"></span> |
| <span class="source-line-no">052</span><span id="line-52"> @Override</span> |
| <span class="source-line-no">053</span><span id="line-53"> public long incMemStoreSize(long dataSizeDelta, long heapSizeDelta, long offHeapSizeDelta,</span> |
| <span class="source-line-no">054</span><span id="line-54"> int cellsCountDelta) {</span> |
| <span class="source-line-no">055</span><span id="line-55"> this.offHeapSize += offHeapSizeDelta;</span> |
| <span class="source-line-no">056</span><span id="line-56"> this.heapSize += heapSizeDelta;</span> |
| <span class="source-line-no">057</span><span id="line-57"> this.dataSize += dataSizeDelta;</span> |
| <span class="source-line-no">058</span><span id="line-58"> this.cellsCount += cellsCountDelta;</span> |
| <span class="source-line-no">059</span><span id="line-59"> return this.dataSize;</span> |
| <span class="source-line-no">060</span><span id="line-60"> }</span> |
| <span class="source-line-no">061</span><span id="line-61"></span> |
| <span class="source-line-no">062</span><span id="line-62"> @Override</span> |
| <span class="source-line-no">063</span><span id="line-63"> public boolean compareAndSetDataSize(long expected, long updated) {</span> |
| <span class="source-line-no">064</span><span id="line-64"> if (dataSize == expected) {</span> |
| <span class="source-line-no">065</span><span id="line-65"> dataSize = updated;</span> |
| <span class="source-line-no">066</span><span id="line-66"> return true;</span> |
| <span class="source-line-no">067</span><span id="line-67"> }</span> |
| <span class="source-line-no">068</span><span id="line-68"> return false;</span> |
| <span class="source-line-no">069</span><span id="line-69"> }</span> |
| <span class="source-line-no">070</span><span id="line-70"></span> |
| <span class="source-line-no">071</span><span id="line-71"> @Override</span> |
| <span class="source-line-no">072</span><span id="line-72"> public long getDataSize() {</span> |
| <span class="source-line-no">073</span><span id="line-73"> return dataSize;</span> |
| <span class="source-line-no">074</span><span id="line-74"> }</span> |
| <span class="source-line-no">075</span><span id="line-75"></span> |
| <span class="source-line-no">076</span><span id="line-76"> @Override</span> |
| <span class="source-line-no">077</span><span id="line-77"> public long getHeapSize() {</span> |
| <span class="source-line-no">078</span><span id="line-78"> return heapSize;</span> |
| <span class="source-line-no">079</span><span id="line-79"> }</span> |
| <span class="source-line-no">080</span><span id="line-80"></span> |
| <span class="source-line-no">081</span><span id="line-81"> @Override</span> |
| <span class="source-line-no">082</span><span id="line-82"> public long getOffHeapSize() {</span> |
| <span class="source-line-no">083</span><span id="line-83"> return offHeapSize;</span> |
| <span class="source-line-no">084</span><span id="line-84"> }</span> |
| <span class="source-line-no">085</span><span id="line-85"></span> |
| <span class="source-line-no">086</span><span id="line-86"> @Override</span> |
| <span class="source-line-no">087</span><span id="line-87"> public int getCellsCount() {</span> |
| <span class="source-line-no">088</span><span id="line-88"> return cellsCount;</span> |
| <span class="source-line-no">089</span><span id="line-89"> }</span> |
| <span class="source-line-no">090</span><span id="line-90"></span> |
| <span class="source-line-no">091</span><span id="line-91"> @Override</span> |
| <span class="source-line-no">092</span><span id="line-92"> public String toString() {</span> |
| <span class="source-line-no">093</span><span id="line-93"> return getMemStoreSize().toString();</span> |
| <span class="source-line-no">094</span><span id="line-94"> }</span> |
| <span class="source-line-no">095</span><span id="line-95">}</span> |
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