| <!DOCTYPE HTML> |
| <html lang="en"> |
| <head> |
| <!-- Generated by javadoc (17) --> |
| <title>Source code</title> |
| <meta name="viewport" content="width=device-width, initial-scale=1"> |
| <meta name="description" content="source: package: org.apache.hadoop.hbase, class: TestHDFSBlocksDistribution, class: MockHDFSBlocksDistribution"> |
| <meta name="generator" content="javadoc/SourceToHTMLConverter"> |
| <link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style"> |
| </head> |
| <body class="source-page"> |
| <main role="main"> |
| <div class="source-container"> |
| <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;</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 static org.junit.Assert.assertEquals;</span> |
| <span class="source-line-no">021</span><span id="line-21">import static org.junit.Assert.assertNotEquals;</span> |
| <span class="source-line-no">022</span><span id="line-22"></span> |
| <span class="source-line-no">023</span><span id="line-23">import java.util.HashMap;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.util.Map;</span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.fs.StorageType;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.testclassification.MiscTests;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.testclassification.SmallTests;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.util.DNS;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.junit.ClassRule;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.junit.Test;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">032</span><span id="line-32"></span> |
| <span class="source-line-no">033</span><span id="line-33">@Category({ MiscTests.class, SmallTests.class })</span> |
| <span class="source-line-no">034</span><span id="line-34">public class TestHDFSBlocksDistribution {</span> |
| <span class="source-line-no">035</span><span id="line-35"></span> |
| <span class="source-line-no">036</span><span id="line-36"> @ClassRule</span> |
| <span class="source-line-no">037</span><span id="line-37"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">038</span><span id="line-38"> HBaseClassTestRule.forClass(TestHDFSBlocksDistribution.class);</span> |
| <span class="source-line-no">039</span><span id="line-39"></span> |
| <span class="source-line-no">040</span><span id="line-40"> @Test</span> |
| <span class="source-line-no">041</span><span id="line-41"> public void testAddHostsAndBlockWeight() throws Exception {</span> |
| <span class="source-line-no">042</span><span id="line-42"> HDFSBlocksDistribution distribution = new HDFSBlocksDistribution();</span> |
| <span class="source-line-no">043</span><span id="line-43"> distribution.addHostsAndBlockWeight(null, 100);</span> |
| <span class="source-line-no">044</span><span id="line-44"> assertEquals("Expecting no hosts weights", 0, distribution.getHostAndWeights().size());</span> |
| <span class="source-line-no">045</span><span id="line-45"> distribution.addHostsAndBlockWeight(new String[0], 100);</span> |
| <span class="source-line-no">046</span><span id="line-46"> assertEquals("Expecting no hosts weights", 0, distribution.getHostAndWeights().size());</span> |
| <span class="source-line-no">047</span><span id="line-47"> distribution.addHostsAndBlockWeight(new String[] { "test" }, 101);</span> |
| <span class="source-line-no">048</span><span id="line-48"> assertEquals("Should be one host", 1, distribution.getHostAndWeights().size());</span> |
| <span class="source-line-no">049</span><span id="line-49"> distribution.addHostsAndBlockWeight(new String[] { "test" }, 202);</span> |
| <span class="source-line-no">050</span><span id="line-50"> assertEquals("Should be one host", 1, distribution.getHostAndWeights().size());</span> |
| <span class="source-line-no">051</span><span id="line-51"> assertEquals("test host should have weight 303", 303,</span> |
| <span class="source-line-no">052</span><span id="line-52"> distribution.getHostAndWeights().get("test").getWeight());</span> |
| <span class="source-line-no">053</span><span id="line-53"> distribution.addHostsAndBlockWeight(new String[] { "testTwo" }, 222);</span> |
| <span class="source-line-no">054</span><span id="line-54"> assertEquals("Should be two hosts", 2, distribution.getHostAndWeights().size());</span> |
| <span class="source-line-no">055</span><span id="line-55"> assertEquals("Total weight should be 525", 525, distribution.getUniqueBlocksTotalWeight());</span> |
| <span class="source-line-no">056</span><span id="line-56"> distribution.addHostsAndBlockWeight(new String[] { "test" }, 100,</span> |
| <span class="source-line-no">057</span><span id="line-57"> new StorageType[] { StorageType.SSD });</span> |
| <span class="source-line-no">058</span><span id="line-58"> assertEquals("test host should have weight 403", 403,</span> |
| <span class="source-line-no">059</span><span id="line-59"> distribution.getHostAndWeights().get("test").getWeight());</span> |
| <span class="source-line-no">060</span><span id="line-60"> assertEquals("test host should have weight for ssd 100", 100,</span> |
| <span class="source-line-no">061</span><span id="line-61"> distribution.getHostAndWeights().get("test").getWeightForSsd());</span> |
| <span class="source-line-no">062</span><span id="line-62"> }</span> |
| <span class="source-line-no">063</span><span id="line-63"></span> |
| <span class="source-line-no">064</span><span id="line-64"> private static final class MockHDFSBlocksDistribution extends HDFSBlocksDistribution {</span> |
| <span class="source-line-no">065</span><span id="line-65"></span> |
| <span class="source-line-no">066</span><span id="line-66"> @Override</span> |
| <span class="source-line-no">067</span><span id="line-67"> public Map<String, HostAndWeight> getHostAndWeights() {</span> |
| <span class="source-line-no">068</span><span id="line-68"> HashMap<String, HostAndWeight> map = new HashMap<>();</span> |
| <span class="source-line-no">069</span><span id="line-69"> map.put("test", new HostAndWeight(null, 100, 0));</span> |
| <span class="source-line-no">070</span><span id="line-70"> return map;</span> |
| <span class="source-line-no">071</span><span id="line-71"> }</span> |
| <span class="source-line-no">072</span><span id="line-72"> }</span> |
| <span class="source-line-no">073</span><span id="line-73"></span> |
| <span class="source-line-no">074</span><span id="line-74"> @Test</span> |
| <span class="source-line-no">075</span><span id="line-75"> public void testAdd() throws Exception {</span> |
| <span class="source-line-no">076</span><span id="line-76"> HDFSBlocksDistribution distribution = new HDFSBlocksDistribution();</span> |
| <span class="source-line-no">077</span><span id="line-77"> distribution.add(new MockHDFSBlocksDistribution());</span> |
| <span class="source-line-no">078</span><span id="line-78"> assertEquals("Expecting no hosts weights", 0, distribution.getHostAndWeights().size());</span> |
| <span class="source-line-no">079</span><span id="line-79"> distribution.addHostsAndBlockWeight(new String[] { "test" }, 10);</span> |
| <span class="source-line-no">080</span><span id="line-80"> assertEquals("Should be one host", 1, distribution.getHostAndWeights().size());</span> |
| <span class="source-line-no">081</span><span id="line-81"> distribution.add(new MockHDFSBlocksDistribution());</span> |
| <span class="source-line-no">082</span><span id="line-82"> assertEquals("Should be one host", 1, distribution.getHostAndWeights().size());</span> |
| <span class="source-line-no">083</span><span id="line-83"> assertEquals("Total weight should be 10", 10, distribution.getUniqueBlocksTotalWeight());</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"> @Test</span> |
| <span class="source-line-no">087</span><span id="line-87"> public void testLocalHostCompatibility() throws Exception {</span> |
| <span class="source-line-no">088</span><span id="line-88"> String currentHost = DNS.getDefaultHost("default", "default");</span> |
| <span class="source-line-no">089</span><span id="line-89"> HDFSBlocksDistribution distribution = new HDFSBlocksDistribution();</span> |
| <span class="source-line-no">090</span><span id="line-90"> assertEquals("Locality should be 0.0", 0.0, distribution.getBlockLocalityIndex(currentHost),</span> |
| <span class="source-line-no">091</span><span id="line-91"> 0.01);</span> |
| <span class="source-line-no">092</span><span id="line-92"> distribution.addHostsAndBlockWeight(new String[] { "localhost" }, 10);</span> |
| <span class="source-line-no">093</span><span id="line-93"> assertEquals("Should be one host", 1, distribution.getHostAndWeights().size());</span> |
| <span class="source-line-no">094</span><span id="line-94"> assertEquals("Locality should be 0.0", 0.0, distribution.getBlockLocalityIndex("test"), 0.01);</span> |
| <span class="source-line-no">095</span><span id="line-95"> assertNotEquals("Locality should be 0.0", 0.0, distribution.getBlockLocalityIndex(currentHost),</span> |
| <span class="source-line-no">096</span><span id="line-96"> 0.01);</span> |
| <span class="source-line-no">097</span><span id="line-97"> }</span> |
| <span class="source-line-no">098</span><span id="line-98"></span> |
| <span class="source-line-no">099</span><span id="line-99">}</span> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
