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| <pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> */<a name="line.17"></a> |
| <span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.io.hfile;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import java.util.ArrayList;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.util.List;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import org.apache.hadoop.conf.Configuration;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.apache.hadoop.fs.FileSystem;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.hadoop.fs.Path;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.CellBuilderType;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.ExtendedCellBuilderFactory;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.HBaseTestingUtil;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.HConstants;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.KeyValue;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.testclassification.IOTests;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.testclassification.SmallTests;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.junit.ClassRule;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.junit.Test;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.junit.experimental.categories.Category;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span><a name="line.37"></a> |
| <span class="sourceLineNo">038</span>/**<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> * Test a case when an inline index chunk is converted to a root one. This reproduces the bug in<a name="line.39"></a> |
| <span class="sourceLineNo">040</span> * HBASE-6871. We write a carefully selected number of relatively large keys so that we accumulate a<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> * leaf index chunk that only goes over the configured index chunk size after adding the last<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> * key/value. The bug is in that when we close the file, we convert that inline (leaf-level) chunk<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> * into a root chunk, but then look at the size of that root chunk, find that it is greater than the<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> * configured chunk size, and split it into a number of intermediate index blocks that should really<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> * be leaf-level blocks. If more keys were added, we would flush the leaf-level block, add another<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> * entry to the root-level block, and that would prevent us from upgrading the leaf-level chunk to<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> * the root chunk, thus not triggering the bug.<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> */<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>@Category({ IOTests.class, SmallTests.class })<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>public class TestHFileInlineToRootChunkConversion {<a name="line.50"></a> |
| <span class="sourceLineNo">051</span><a name="line.51"></a> |
| <span class="sourceLineNo">052</span> @ClassRule<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> HBaseClassTestRule.forClass(TestHFileInlineToRootChunkConversion.class);<a name="line.54"></a> |
| <span class="sourceLineNo">055</span><a name="line.55"></a> |
| <span class="sourceLineNo">056</span> private final HBaseTestingUtil testUtil = new HBaseTestingUtil();<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> private final Configuration conf = testUtil.getConfiguration();<a name="line.57"></a> |
| <span class="sourceLineNo">058</span><a name="line.58"></a> |
| <span class="sourceLineNo">059</span> @Test<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> public void testWriteHFile() throws Exception {<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> Path hfPath = new Path(testUtil.getDataTestDir(),<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> TestHFileInlineToRootChunkConversion.class.getSimpleName() + ".hfile");<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> int maxChunkSize = 1024;<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> FileSystem fs = FileSystem.get(conf);<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> CacheConfig cacheConf = new CacheConfig(conf);<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> conf.setInt(HFileBlockIndex.MAX_CHUNK_SIZE_KEY, maxChunkSize);<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> HFileContext context = new HFileContextBuilder().withBlockSize(16).build();<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> HFile.Writer hfw = new HFile.WriterFactory(conf, cacheConf).withFileContext(context)<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> .withPath(fs, hfPath).create();<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> List<byte[]> keys = new ArrayList<>();<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> StringBuilder sb = new StringBuilder();<a name="line.71"></a> |
| <span class="sourceLineNo">072</span><a name="line.72"></a> |
| <span class="sourceLineNo">073</span> for (int i = 0; i < 4; ++i) {<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> sb.append("key" + String.format("%05d", i));<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> sb.append("_");<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> for (int j = 0; j < 100; ++j) {<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> sb.append('0' + j);<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> }<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> String keyStr = sb.toString();<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> sb.setLength(0);<a name="line.80"></a> |
| <span class="sourceLineNo">081</span><a name="line.81"></a> |
| <span class="sourceLineNo">082</span> byte[] k = Bytes.toBytes(keyStr);<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> keys.add(k);<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> byte[] v = Bytes.toBytes("value" + i);<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> hfw.append(ExtendedCellBuilderFactory.create(CellBuilderType.DEEP_COPY).setRow(k)<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> .setFamily(HConstants.EMPTY_BYTE_ARRAY).setQualifier(HConstants.EMPTY_BYTE_ARRAY)<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> .setTimestamp(HConstants.LATEST_TIMESTAMP).setType(KeyValue.Type.Maximum.getCode())<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> .setValue(v).build());<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> }<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> hfw.close();<a name="line.90"></a> |
| <span class="sourceLineNo">091</span><a name="line.91"></a> |
| <span class="sourceLineNo">092</span> HFile.Reader reader = HFile.createReader(fs, hfPath, cacheConf, true, conf);<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> // Scanner doesn't do Cells yet. Fix.<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> HFileScanner scanner = reader.getScanner(conf, true, true);<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> for (int i = 0; i < keys.size(); ++i) {<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> scanner.seekTo(ExtendedCellBuilderFactory.create(CellBuilderType.DEEP_COPY)<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> .setRow(keys.get(i)).setFamily(HConstants.EMPTY_BYTE_ARRAY)<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> .setQualifier(HConstants.EMPTY_BYTE_ARRAY).setTimestamp(HConstants.LATEST_TIMESTAMP)<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> .setType(KeyValue.Type.Maximum.getCode()).setValue(HConstants.EMPTY_BYTE_ARRAY).build());<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> }<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> reader.close();<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> }<a name="line.102"></a> |
| <span class="sourceLineNo">103</span>}<a name="line.103"></a> |
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