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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.io.hfile;</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.apache.hadoop.hbase.io.compress.Compression.Algorithm.GZ;</span> |
| <span class="source-line-no">021</span><span id="line-21">import static org.apache.hadoop.hbase.io.compress.Compression.Algorithm.NONE;</span> |
| <span class="source-line-no">022</span><span id="line-22">import static org.junit.Assert.assertEquals;</span> |
| <span class="source-line-no">023</span><span id="line-23">import static org.junit.Assert.assertTrue;</span> |
| <span class="source-line-no">024</span><span id="line-24">import static org.junit.Assert.fail;</span> |
| <span class="source-line-no">025</span><span id="line-25"></span> |
| <span class="source-line-no">026</span><span id="line-26">import java.io.ByteArrayInputStream;</span> |
| <span class="source-line-no">027</span><span id="line-27">import java.io.DataInputStream;</span> |
| <span class="source-line-no">028</span><span id="line-28">import java.io.DataOutputStream;</span> |
| <span class="source-line-no">029</span><span id="line-29">import java.io.IOException;</span> |
| <span class="source-line-no">030</span><span id="line-30">import java.nio.BufferUnderflowException;</span> |
| <span class="source-line-no">031</span><span id="line-31">import java.nio.ByteBuffer;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.fs.FSDataInputStream;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.fs.FSDataOutputStream;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.fs.FileSystem;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.fs.Path;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.HBaseTestingUtil;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.HConstants;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.fs.HFileSystem;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.io.ByteBuffAllocator;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.hbase.io.FSDataInputStreamWrapper;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.hbase.io.compress.Compression;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.hbase.nio.ByteBuff;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.hadoop.hbase.nio.MultiByteBuff;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.apache.hadoop.hbase.nio.SingleByteBuff;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.apache.hadoop.hbase.testclassification.IOTests;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.apache.hadoop.hbase.testclassification.SmallTests;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.apache.hadoop.hbase.util.ChecksumType;</span> |
| <span class="source-line-no">050</span><span id="line-50">import org.junit.Before;</span> |
| <span class="source-line-no">051</span><span id="line-51">import org.junit.ClassRule;</span> |
| <span class="source-line-no">052</span><span id="line-52">import org.junit.Test;</span> |
| <span class="source-line-no">053</span><span id="line-53">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">054</span><span id="line-54">import org.slf4j.Logger;</span> |
| <span class="source-line-no">055</span><span id="line-55">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">056</span><span id="line-56"></span> |
| <span class="source-line-no">057</span><span id="line-57">@Category({ IOTests.class, SmallTests.class })</span> |
| <span class="source-line-no">058</span><span id="line-58">public class TestChecksum {</span> |
| <span class="source-line-no">059</span><span id="line-59"></span> |
| <span class="source-line-no">060</span><span id="line-60"> @ClassRule</span> |
| <span class="source-line-no">061</span><span id="line-61"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">062</span><span id="line-62"> HBaseClassTestRule.forClass(TestChecksum.class);</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 Logger LOG = LoggerFactory.getLogger(TestChecksum.class);</span> |
| <span class="source-line-no">065</span><span id="line-65"></span> |
| <span class="source-line-no">066</span><span id="line-66"> static final Compression.Algorithm[] COMPRESSION_ALGORITHMS = { NONE, GZ };</span> |
| <span class="source-line-no">067</span><span id="line-67"></span> |
| <span class="source-line-no">068</span><span id="line-68"> static final int[] BYTES_PER_CHECKSUM = { 50, 500, 688, 16 * 1024, (16 * 1024 + 980), 64 * 1024 };</span> |
| <span class="source-line-no">069</span><span id="line-69"></span> |
| <span class="source-line-no">070</span><span id="line-70"> private static final HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();</span> |
| <span class="source-line-no">071</span><span id="line-71"> private FileSystem fs;</span> |
| <span class="source-line-no">072</span><span id="line-72"> private HFileSystem hfs;</span> |
| <span class="source-line-no">073</span><span id="line-73"></span> |
| <span class="source-line-no">074</span><span id="line-74"> @Before</span> |
| <span class="source-line-no">075</span><span id="line-75"> public void setUp() throws Exception {</span> |
| <span class="source-line-no">076</span><span id="line-76"> fs = HFileSystem.get(TEST_UTIL.getConfiguration());</span> |
| <span class="source-line-no">077</span><span id="line-77"> hfs = (HFileSystem) fs;</span> |
| <span class="source-line-no">078</span><span id="line-78"> }</span> |
| <span class="source-line-no">079</span><span id="line-79"></span> |
| <span class="source-line-no">080</span><span id="line-80"> @Test</span> |
| <span class="source-line-no">081</span><span id="line-81"> public void testNewBlocksHaveDefaultChecksum() throws IOException {</span> |
| <span class="source-line-no">082</span><span id="line-82"> Path path = new Path(TEST_UTIL.getDataTestDir(), "default_checksum");</span> |
| <span class="source-line-no">083</span><span id="line-83"> FSDataOutputStream os = fs.create(path);</span> |
| <span class="source-line-no">084</span><span id="line-84"> HFileContext meta = new HFileContextBuilder().build();</span> |
| <span class="source-line-no">085</span><span id="line-85"> HFileBlock.Writer hbw = new HFileBlock.Writer(TEST_UTIL.getConfiguration(), null, meta);</span> |
| <span class="source-line-no">086</span><span id="line-86"> DataOutputStream dos = hbw.startWriting(BlockType.DATA);</span> |
| <span class="source-line-no">087</span><span id="line-87"> for (int i = 0; i < 1000; ++i)</span> |
| <span class="source-line-no">088</span><span id="line-88"> dos.writeInt(i);</span> |
| <span class="source-line-no">089</span><span id="line-89"> hbw.writeHeaderAndData(os);</span> |
| <span class="source-line-no">090</span><span id="line-90"> int totalSize = hbw.getOnDiskSizeWithHeader();</span> |
| <span class="source-line-no">091</span><span id="line-91"> os.close();</span> |
| <span class="source-line-no">092</span><span id="line-92"></span> |
| <span class="source-line-no">093</span><span id="line-93"> // Use hbase checksums.</span> |
| <span class="source-line-no">094</span><span id="line-94"> assertEquals(true, hfs.useHBaseChecksum());</span> |
| <span class="source-line-no">095</span><span id="line-95"></span> |
| <span class="source-line-no">096</span><span id="line-96"> FSDataInputStreamWrapper is = new FSDataInputStreamWrapper(fs, path);</span> |
| <span class="source-line-no">097</span><span id="line-97"> meta = new HFileContextBuilder().withHBaseCheckSum(true).build();</span> |
| <span class="source-line-no">098</span><span id="line-98"> ReaderContext context = new ReaderContextBuilder().withInputStreamWrapper(is)</span> |
| <span class="source-line-no">099</span><span id="line-99"> .withFileSize(totalSize).withFileSystem((HFileSystem) fs).withFilePath(path).build();</span> |
| <span class="source-line-no">100</span><span id="line-100"> HFileBlock.FSReader hbr = new HFileBlock.FSReaderImpl(context, meta, ByteBuffAllocator.HEAP,</span> |
| <span class="source-line-no">101</span><span id="line-101"> TEST_UTIL.getConfiguration());</span> |
| <span class="source-line-no">102</span><span id="line-102"> HFileBlock b = hbr.readBlockData(0, -1, false, false, true);</span> |
| <span class="source-line-no">103</span><span id="line-103"> assertTrue(!b.isSharedMem());</span> |
| <span class="source-line-no">104</span><span id="line-104"> assertEquals(b.getChecksumType(), ChecksumType.getDefaultChecksumType().getCode());</span> |
| <span class="source-line-no">105</span><span id="line-105"> }</span> |
| <span class="source-line-no">106</span><span id="line-106"></span> |
| <span class="source-line-no">107</span><span id="line-107"> private void verifyMBBCheckSum(ByteBuff buf) throws IOException {</span> |
| <span class="source-line-no">108</span><span id="line-108"> int size = buf.remaining() / 2 + 1;</span> |
| <span class="source-line-no">109</span><span id="line-109"> ByteBuff mbb = new MultiByteBuff(ByteBuffer.allocate(size), ByteBuffer.allocate(size))</span> |
| <span class="source-line-no">110</span><span id="line-110"> .position(0).limit(buf.remaining());</span> |
| <span class="source-line-no">111</span><span id="line-111"> for (int i = buf.position(); i < buf.limit(); i++) {</span> |
| <span class="source-line-no">112</span><span id="line-112"> mbb.put(buf.get(i));</span> |
| <span class="source-line-no">113</span><span id="line-113"> }</span> |
| <span class="source-line-no">114</span><span id="line-114"> mbb.position(0).limit(buf.remaining());</span> |
| <span class="source-line-no">115</span><span id="line-115"> assertEquals(mbb.remaining(), buf.remaining());</span> |
| <span class="source-line-no">116</span><span id="line-116"> assertTrue(mbb.remaining() > size);</span> |
| <span class="source-line-no">117</span><span id="line-117"> ChecksumUtil.validateChecksum(mbb, "test", 0, HConstants.HFILEBLOCK_HEADER_SIZE_NO_CHECKSUM);</span> |
| <span class="source-line-no">118</span><span id="line-118"> }</span> |
| <span class="source-line-no">119</span><span id="line-119"></span> |
| <span class="source-line-no">120</span><span id="line-120"> private void verifySBBCheckSum(ByteBuff buf) throws IOException {</span> |
| <span class="source-line-no">121</span><span id="line-121"> ChecksumUtil.validateChecksum(buf, "test", 0, HConstants.HFILEBLOCK_HEADER_SIZE_NO_CHECKSUM);</span> |
| <span class="source-line-no">122</span><span id="line-122"> }</span> |
| <span class="source-line-no">123</span><span id="line-123"></span> |
| <span class="source-line-no">124</span><span id="line-124"> @Test</span> |
| <span class="source-line-no">125</span><span id="line-125"> public void testVerifyCheckSum() throws IOException {</span> |
| <span class="source-line-no">126</span><span id="line-126"> int intCount = 10000;</span> |
| <span class="source-line-no">127</span><span id="line-127"> for (ChecksumType ckt : ChecksumType.values()) {</span> |
| <span class="source-line-no">128</span><span id="line-128"> Path path = new Path(TEST_UTIL.getDataTestDir(), "checksum" + ckt.getName());</span> |
| <span class="source-line-no">129</span><span id="line-129"> FSDataOutputStream os = fs.create(path);</span> |
| <span class="source-line-no">130</span><span id="line-130"> HFileContext meta = new HFileContextBuilder().withChecksumType(ckt).build();</span> |
| <span class="source-line-no">131</span><span id="line-131"> HFileBlock.Writer hbw = new HFileBlock.Writer(TEST_UTIL.getConfiguration(), null, meta);</span> |
| <span class="source-line-no">132</span><span id="line-132"> DataOutputStream dos = hbw.startWriting(BlockType.DATA);</span> |
| <span class="source-line-no">133</span><span id="line-133"> for (int i = 0; i < intCount; ++i) {</span> |
| <span class="source-line-no">134</span><span id="line-134"> dos.writeInt(i);</span> |
| <span class="source-line-no">135</span><span id="line-135"> }</span> |
| <span class="source-line-no">136</span><span id="line-136"> hbw.writeHeaderAndData(os);</span> |
| <span class="source-line-no">137</span><span id="line-137"> int totalSize = hbw.getOnDiskSizeWithHeader();</span> |
| <span class="source-line-no">138</span><span id="line-138"> os.close();</span> |
| <span class="source-line-no">139</span><span id="line-139"></span> |
| <span class="source-line-no">140</span><span id="line-140"> // Use hbase checksums.</span> |
| <span class="source-line-no">141</span><span id="line-141"> assertEquals(true, hfs.useHBaseChecksum());</span> |
| <span class="source-line-no">142</span><span id="line-142"></span> |
| <span class="source-line-no">143</span><span id="line-143"> FSDataInputStreamWrapper is = new FSDataInputStreamWrapper(fs, path);</span> |
| <span class="source-line-no">144</span><span id="line-144"> meta = new HFileContextBuilder().withHBaseCheckSum(true).build();</span> |
| <span class="source-line-no">145</span><span id="line-145"> ReaderContext context = new ReaderContextBuilder().withInputStreamWrapper(is)</span> |
| <span class="source-line-no">146</span><span id="line-146"> .withFileSize(totalSize).withFileSystem((HFileSystem) fs).withFilePath(path).build();</span> |
| <span class="source-line-no">147</span><span id="line-147"> HFileBlock.FSReader hbr = new HFileBlock.FSReaderImpl(context, meta, ByteBuffAllocator.HEAP,</span> |
| <span class="source-line-no">148</span><span id="line-148"> TEST_UTIL.getConfiguration());</span> |
| <span class="source-line-no">149</span><span id="line-149"> HFileBlock b = hbr.readBlockData(0, -1, false, false, true);</span> |
| <span class="source-line-no">150</span><span id="line-150"> assertTrue(!b.isSharedMem());</span> |
| <span class="source-line-no">151</span><span id="line-151"></span> |
| <span class="source-line-no">152</span><span id="line-152"> ByteBuff bufferWithChecksum = getBufferWithChecksum(b);</span> |
| <span class="source-line-no">153</span><span id="line-153"></span> |
| <span class="source-line-no">154</span><span id="line-154"> // verify SingleByteBuff checksum.</span> |
| <span class="source-line-no">155</span><span id="line-155"> verifySBBCheckSum(bufferWithChecksum);</span> |
| <span class="source-line-no">156</span><span id="line-156"></span> |
| <span class="source-line-no">157</span><span id="line-157"> // verify MultiByteBuff checksum.</span> |
| <span class="source-line-no">158</span><span id="line-158"> verifyMBBCheckSum(bufferWithChecksum);</span> |
| <span class="source-line-no">159</span><span id="line-159"></span> |
| <span class="source-line-no">160</span><span id="line-160"> ByteBuff data = b.getBufferWithoutHeader();</span> |
| <span class="source-line-no">161</span><span id="line-161"> for (int i = 0; i < intCount; i++) {</span> |
| <span class="source-line-no">162</span><span id="line-162"> assertEquals(i, data.getInt());</span> |
| <span class="source-line-no">163</span><span id="line-163"> }</span> |
| <span class="source-line-no">164</span><span id="line-164"> try {</span> |
| <span class="source-line-no">165</span><span id="line-165"> data.getInt();</span> |
| <span class="source-line-no">166</span><span id="line-166"> fail();</span> |
| <span class="source-line-no">167</span><span id="line-167"> } catch (BufferUnderflowException e) {</span> |
| <span class="source-line-no">168</span><span id="line-168"> // expected failure</span> |
| <span class="source-line-no">169</span><span id="line-169"> }</span> |
| <span class="source-line-no">170</span><span id="line-170"> assertEquals(0, HFile.getAndResetChecksumFailuresCount());</span> |
| <span class="source-line-no">171</span><span id="line-171"> }</span> |
| <span class="source-line-no">172</span><span id="line-172"> }</span> |
| <span class="source-line-no">173</span><span id="line-173"></span> |
| <span class="source-line-no">174</span><span id="line-174"> /**</span> |
| <span class="source-line-no">175</span><span id="line-175"> * HFileBlock buffer does not include checksum because it is discarded after verifying upon</span> |
| <span class="source-line-no">176</span><span id="line-176"> * reading from disk. We artificially add a checksum onto the buffer for use in testing that</span> |
| <span class="source-line-no">177</span><span id="line-177"> * ChecksumUtil.validateChecksum works for SingleByteBuff and MultiByteBuff in</span> |
| <span class="source-line-no">178</span><span id="line-178"> * {@link #verifySBBCheckSum(ByteBuff)} and {@link #verifyMBBCheckSum(ByteBuff)}</span> |
| <span class="source-line-no">179</span><span id="line-179"> */</span> |
| <span class="source-line-no">180</span><span id="line-180"> private ByteBuff getBufferWithChecksum(HFileBlock block) throws IOException {</span> |
| <span class="source-line-no">181</span><span id="line-181"> ByteBuff buf = block.getBufferReadOnly();</span> |
| <span class="source-line-no">182</span><span id="line-182"></span> |
| <span class="source-line-no">183</span><span id="line-183"> int numBytes =</span> |
| <span class="source-line-no">184</span><span id="line-184"> (int) ChecksumUtil.numBytes(buf.remaining(), block.getHFileContext().getBytesPerChecksum());</span> |
| <span class="source-line-no">185</span><span id="line-185"> byte[] checksum = new byte[numBytes];</span> |
| <span class="source-line-no">186</span><span id="line-186"> ChecksumUtil.generateChecksums(buf.array(), 0, buf.limit(), checksum, 0,</span> |
| <span class="source-line-no">187</span><span id="line-187"> block.getHFileContext().getChecksumType(), block.getBytesPerChecksum());</span> |
| <span class="source-line-no">188</span><span id="line-188"></span> |
| <span class="source-line-no">189</span><span id="line-189"> ByteBuff bufWithChecksum = ByteBuffAllocator.HEAP.allocate(buf.limit() + numBytes);</span> |
| <span class="source-line-no">190</span><span id="line-190"> bufWithChecksum.put(buf.array(), 0, buf.limit());</span> |
| <span class="source-line-no">191</span><span id="line-191"> bufWithChecksum.put(checksum);</span> |
| <span class="source-line-no">192</span><span id="line-192"></span> |
| <span class="source-line-no">193</span><span id="line-193"> return bufWithChecksum.rewind();</span> |
| <span class="source-line-no">194</span><span id="line-194"> }</span> |
| <span class="source-line-no">195</span><span id="line-195"></span> |
| <span class="source-line-no">196</span><span id="line-196"> /**</span> |
| <span class="source-line-no">197</span><span id="line-197"> * Introduce checksum failures and check that we can still read the data</span> |
| <span class="source-line-no">198</span><span id="line-198"> */</span> |
| <span class="source-line-no">199</span><span id="line-199"> @Test</span> |
| <span class="source-line-no">200</span><span id="line-200"> public void testChecksumCorruption() throws IOException {</span> |
| <span class="source-line-no">201</span><span id="line-201"> testChecksumCorruptionInternals(false);</span> |
| <span class="source-line-no">202</span><span id="line-202"> testChecksumCorruptionInternals(true);</span> |
| <span class="source-line-no">203</span><span id="line-203"> }</span> |
| <span class="source-line-no">204</span><span id="line-204"></span> |
| <span class="source-line-no">205</span><span id="line-205"> protected void testChecksumCorruptionInternals(boolean useTags) throws IOException {</span> |
| <span class="source-line-no">206</span><span id="line-206"> for (Compression.Algorithm algo : COMPRESSION_ALGORITHMS) {</span> |
| <span class="source-line-no">207</span><span id="line-207"> for (boolean pread : new boolean[] { false, true }) {</span> |
| <span class="source-line-no">208</span><span id="line-208"> LOG.info("testChecksumCorruption: Compression algorithm: " + algo + ", pread=" + pread);</span> |
| <span class="source-line-no">209</span><span id="line-209"> Path path = new Path(TEST_UTIL.getDataTestDir(), "blocks_v2_" + algo);</span> |
| <span class="source-line-no">210</span><span id="line-210"> FSDataOutputStream os = fs.create(path);</span> |
| <span class="source-line-no">211</span><span id="line-211"> HFileContext meta = new HFileContextBuilder().withCompression(algo).withIncludesMvcc(true)</span> |
| <span class="source-line-no">212</span><span id="line-212"> .withIncludesTags(useTags).withBytesPerCheckSum(HFile.DEFAULT_BYTES_PER_CHECKSUM).build();</span> |
| <span class="source-line-no">213</span><span id="line-213"> HFileBlock.Writer hbw = new HFileBlock.Writer(TEST_UTIL.getConfiguration(), null, meta);</span> |
| <span class="source-line-no">214</span><span id="line-214"> long totalSize = 0;</span> |
| <span class="source-line-no">215</span><span id="line-215"> for (int blockId = 0; blockId < 2; ++blockId) {</span> |
| <span class="source-line-no">216</span><span id="line-216"> DataOutputStream dos = hbw.startWriting(BlockType.DATA);</span> |
| <span class="source-line-no">217</span><span id="line-217"> for (int i = 0; i < 1234; ++i)</span> |
| <span class="source-line-no">218</span><span id="line-218"> dos.writeInt(i);</span> |
| <span class="source-line-no">219</span><span id="line-219"> hbw.writeHeaderAndData(os);</span> |
| <span class="source-line-no">220</span><span id="line-220"> totalSize += hbw.getOnDiskSizeWithHeader();</span> |
| <span class="source-line-no">221</span><span id="line-221"> }</span> |
| <span class="source-line-no">222</span><span id="line-222"> os.close();</span> |
| <span class="source-line-no">223</span><span id="line-223"></span> |
| <span class="source-line-no">224</span><span id="line-224"> // Use hbase checksums.</span> |
| <span class="source-line-no">225</span><span id="line-225"> assertEquals(true, hfs.useHBaseChecksum());</span> |
| <span class="source-line-no">226</span><span id="line-226"></span> |
| <span class="source-line-no">227</span><span id="line-227"> // Do a read that purposely introduces checksum verification failures.</span> |
| <span class="source-line-no">228</span><span id="line-228"> FSDataInputStreamWrapper is = new FSDataInputStreamWrapper(fs, path);</span> |
| <span class="source-line-no">229</span><span id="line-229"> meta = new HFileContextBuilder().withCompression(algo).withIncludesMvcc(true)</span> |
| <span class="source-line-no">230</span><span id="line-230"> .withIncludesTags(useTags).withHBaseCheckSum(true).build();</span> |
| <span class="source-line-no">231</span><span id="line-231"> ReaderContext context = new ReaderContextBuilder().withInputStreamWrapper(is)</span> |
| <span class="source-line-no">232</span><span id="line-232"> .withFileSize(totalSize).withFileSystem(fs).withFilePath(path).build();</span> |
| <span class="source-line-no">233</span><span id="line-233"> HFileBlock.FSReader hbr =</span> |
| <span class="source-line-no">234</span><span id="line-234"> new CorruptedFSReaderImpl(context, meta, TEST_UTIL.getConfiguration());</span> |
| <span class="source-line-no">235</span><span id="line-235"> HFileBlock b = hbr.readBlockData(0, -1, pread, false, true);</span> |
| <span class="source-line-no">236</span><span id="line-236"> b.sanityCheck();</span> |
| <span class="source-line-no">237</span><span id="line-237"> assertEquals(4936, b.getUncompressedSizeWithoutHeader());</span> |
| <span class="source-line-no">238</span><span id="line-238"> assertEquals(algo == GZ ? 2173 : 4936,</span> |
| <span class="source-line-no">239</span><span id="line-239"> b.getOnDiskSizeWithoutHeader() - b.totalChecksumBytes());</span> |
| <span class="source-line-no">240</span><span id="line-240"> // read data back from the hfile, exclude header and checksum</span> |
| <span class="source-line-no">241</span><span id="line-241"> ByteBuff bb = b.unpack(meta, hbr).getBufferWithoutHeader(); // read back data</span> |
| <span class="source-line-no">242</span><span id="line-242"> DataInputStream in =</span> |
| <span class="source-line-no">243</span><span id="line-243"> new DataInputStream(new ByteArrayInputStream(bb.array(), bb.arrayOffset(), bb.limit()));</span> |
| <span class="source-line-no">244</span><span id="line-244"></span> |
| <span class="source-line-no">245</span><span id="line-245"> // assert that we encountered hbase checksum verification failures</span> |
| <span class="source-line-no">246</span><span id="line-246"> // but still used hdfs checksums and read data successfully.</span> |
| <span class="source-line-no">247</span><span id="line-247"> assertEquals(1, HFile.getAndResetChecksumFailuresCount());</span> |
| <span class="source-line-no">248</span><span id="line-248"> validateData(in);</span> |
| <span class="source-line-no">249</span><span id="line-249"></span> |
| <span class="source-line-no">250</span><span id="line-250"> // A single instance of hbase checksum failure causes the reader to</span> |
| <span class="source-line-no">251</span><span id="line-251"> // switch off hbase checksum verification for the next 100 read</span> |
| <span class="source-line-no">252</span><span id="line-252"> // requests. Verify that this is correct.</span> |
| <span class="source-line-no">253</span><span id="line-253"> for (int i = 0; i < HFileBlock.CHECKSUM_VERIFICATION_NUM_IO_THRESHOLD + 1; i++) {</span> |
| <span class="source-line-no">254</span><span id="line-254"> b = hbr.readBlockData(0, -1, pread, false, true);</span> |
| <span class="source-line-no">255</span><span id="line-255"> assertTrue(b.getBufferReadOnly() instanceof SingleByteBuff);</span> |
| <span class="source-line-no">256</span><span id="line-256"> assertEquals(0, HFile.getAndResetChecksumFailuresCount());</span> |
| <span class="source-line-no">257</span><span id="line-257"> }</span> |
| <span class="source-line-no">258</span><span id="line-258"> // The next read should have hbase checksum verification reanabled,</span> |
| <span class="source-line-no">259</span><span id="line-259"> // we verify this by assertng that there was a hbase-checksum failure.</span> |
| <span class="source-line-no">260</span><span id="line-260"> b = hbr.readBlockData(0, -1, pread, false, true);</span> |
| <span class="source-line-no">261</span><span id="line-261"> assertTrue(b.getBufferReadOnly() instanceof SingleByteBuff);</span> |
| <span class="source-line-no">262</span><span id="line-262"> assertEquals(1, HFile.getAndResetChecksumFailuresCount());</span> |
| <span class="source-line-no">263</span><span id="line-263"></span> |
| <span class="source-line-no">264</span><span id="line-264"> // Since the above encountered a checksum failure, we switch</span> |
| <span class="source-line-no">265</span><span id="line-265"> // back to not checking hbase checksums.</span> |
| <span class="source-line-no">266</span><span id="line-266"> b = hbr.readBlockData(0, -1, pread, false, true);</span> |
| <span class="source-line-no">267</span><span id="line-267"> assertTrue(b.getBufferReadOnly() instanceof SingleByteBuff);</span> |
| <span class="source-line-no">268</span><span id="line-268"> assertEquals(0, HFile.getAndResetChecksumFailuresCount());</span> |
| <span class="source-line-no">269</span><span id="line-269"> is.close();</span> |
| <span class="source-line-no">270</span><span id="line-270"></span> |
| <span class="source-line-no">271</span><span id="line-271"> // Now, use a completely new reader. Switch off hbase checksums in</span> |
| <span class="source-line-no">272</span><span id="line-272"> // the configuration. In this case, we should not detect</span> |
| <span class="source-line-no">273</span><span id="line-273"> // any retries within hbase.</span> |
| <span class="source-line-no">274</span><span id="line-274"> Configuration conf = TEST_UTIL.getConfiguration();</span> |
| <span class="source-line-no">275</span><span id="line-275"> HFileSystem newfs = new HFileSystem(conf, false);</span> |
| <span class="source-line-no">276</span><span id="line-276"> assertEquals(false, newfs.useHBaseChecksum());</span> |
| <span class="source-line-no">277</span><span id="line-277"> is = new FSDataInputStreamWrapper(newfs, path);</span> |
| <span class="source-line-no">278</span><span id="line-278"> context = new ReaderContextBuilder().withInputStreamWrapper(is).withFileSize(totalSize)</span> |
| <span class="source-line-no">279</span><span id="line-279"> .withFileSystem(newfs).withFilePath(path).build();</span> |
| <span class="source-line-no">280</span><span id="line-280"> hbr = new CorruptedFSReaderImpl(context, meta, conf);</span> |
| <span class="source-line-no">281</span><span id="line-281"> b = hbr.readBlockData(0, -1, pread, false, true);</span> |
| <span class="source-line-no">282</span><span id="line-282"> is.close();</span> |
| <span class="source-line-no">283</span><span id="line-283"> b.sanityCheck();</span> |
| <span class="source-line-no">284</span><span id="line-284"> b = b.unpack(meta, hbr);</span> |
| <span class="source-line-no">285</span><span id="line-285"> assertEquals(4936, b.getUncompressedSizeWithoutHeader());</span> |
| <span class="source-line-no">286</span><span id="line-286"> assertEquals(algo == GZ ? 2173 : 4936,</span> |
| <span class="source-line-no">287</span><span id="line-287"> b.getOnDiskSizeWithoutHeader() - b.totalChecksumBytes());</span> |
| <span class="source-line-no">288</span><span id="line-288"> // read data back from the hfile, exclude header and checksum</span> |
| <span class="source-line-no">289</span><span id="line-289"> bb = b.getBufferWithoutHeader(); // read back data</span> |
| <span class="source-line-no">290</span><span id="line-290"> in =</span> |
| <span class="source-line-no">291</span><span id="line-291"> new DataInputStream(new ByteArrayInputStream(bb.array(), bb.arrayOffset(), bb.limit()));</span> |
| <span class="source-line-no">292</span><span id="line-292"></span> |
| <span class="source-line-no">293</span><span id="line-293"> // assert that we did not encounter hbase checksum verification failures</span> |
| <span class="source-line-no">294</span><span id="line-294"> // but still used hdfs checksums and read data successfully.</span> |
| <span class="source-line-no">295</span><span id="line-295"> assertEquals(0, HFile.getAndResetChecksumFailuresCount());</span> |
| <span class="source-line-no">296</span><span id="line-296"> validateData(in);</span> |
| <span class="source-line-no">297</span><span id="line-297"> }</span> |
| <span class="source-line-no">298</span><span id="line-298"> }</span> |
| <span class="source-line-no">299</span><span id="line-299"> }</span> |
| <span class="source-line-no">300</span><span id="line-300"></span> |
| <span class="source-line-no">301</span><span id="line-301"> /**</span> |
| <span class="source-line-no">302</span><span id="line-302"> * Test different values of bytesPerChecksum</span> |
| <span class="source-line-no">303</span><span id="line-303"> */</span> |
| <span class="source-line-no">304</span><span id="line-304"> @Test</span> |
| <span class="source-line-no">305</span><span id="line-305"> public void testChecksumChunks() throws IOException {</span> |
| <span class="source-line-no">306</span><span id="line-306"> testChecksumInternals(false);</span> |
| <span class="source-line-no">307</span><span id="line-307"> testChecksumInternals(true);</span> |
| <span class="source-line-no">308</span><span id="line-308"> }</span> |
| <span class="source-line-no">309</span><span id="line-309"></span> |
| <span class="source-line-no">310</span><span id="line-310"> protected void testChecksumInternals(boolean useTags) throws IOException {</span> |
| <span class="source-line-no">311</span><span id="line-311"> Compression.Algorithm algo = NONE;</span> |
| <span class="source-line-no">312</span><span id="line-312"> for (boolean pread : new boolean[] { false, true }) {</span> |
| <span class="source-line-no">313</span><span id="line-313"> for (int bytesPerChecksum : BYTES_PER_CHECKSUM) {</span> |
| <span class="source-line-no">314</span><span id="line-314"> Path path =</span> |
| <span class="source-line-no">315</span><span id="line-315"> new Path(TEST_UTIL.getDataTestDir(), "checksumChunk_" + algo + bytesPerChecksum);</span> |
| <span class="source-line-no">316</span><span id="line-316"> FSDataOutputStream os = fs.create(path);</span> |
| <span class="source-line-no">317</span><span id="line-317"> HFileContext meta = new HFileContextBuilder().withCompression(algo).withIncludesMvcc(true)</span> |
| <span class="source-line-no">318</span><span id="line-318"> .withIncludesTags(useTags).withHBaseCheckSum(true).withBytesPerCheckSum(bytesPerChecksum)</span> |
| <span class="source-line-no">319</span><span id="line-319"> .build();</span> |
| <span class="source-line-no">320</span><span id="line-320"> HFileBlock.Writer hbw = new HFileBlock.Writer(TEST_UTIL.getConfiguration(), null, meta);</span> |
| <span class="source-line-no">321</span><span id="line-321"></span> |
| <span class="source-line-no">322</span><span id="line-322"> // write one block. The block has data</span> |
| <span class="source-line-no">323</span><span id="line-323"> // that is at least 6 times more than the checksum chunk size</span> |
| <span class="source-line-no">324</span><span id="line-324"> long dataSize = 0;</span> |
| <span class="source-line-no">325</span><span id="line-325"> DataOutputStream dos = hbw.startWriting(BlockType.DATA);</span> |
| <span class="source-line-no">326</span><span id="line-326"> for (; dataSize < 6 * bytesPerChecksum;) {</span> |
| <span class="source-line-no">327</span><span id="line-327"> for (int i = 0; i < 1234; ++i) {</span> |
| <span class="source-line-no">328</span><span id="line-328"> dos.writeInt(i);</span> |
| <span class="source-line-no">329</span><span id="line-329"> dataSize += 4;</span> |
| <span class="source-line-no">330</span><span id="line-330"> }</span> |
| <span class="source-line-no">331</span><span id="line-331"> }</span> |
| <span class="source-line-no">332</span><span id="line-332"> hbw.writeHeaderAndData(os);</span> |
| <span class="source-line-no">333</span><span id="line-333"> long totalSize = hbw.getOnDiskSizeWithHeader();</span> |
| <span class="source-line-no">334</span><span id="line-334"> os.close();</span> |
| <span class="source-line-no">335</span><span id="line-335"></span> |
| <span class="source-line-no">336</span><span id="line-336"> long expectedChunks =</span> |
| <span class="source-line-no">337</span><span id="line-337"> ChecksumUtil.numChunks(dataSize + HConstants.HFILEBLOCK_HEADER_SIZE, bytesPerChecksum);</span> |
| <span class="source-line-no">338</span><span id="line-338"> LOG.info(</span> |
| <span class="source-line-no">339</span><span id="line-339"> "testChecksumChunks: pread={}, bytesPerChecksum={}, fileSize={}, "</span> |
| <span class="source-line-no">340</span><span id="line-340"> + "dataSize={}, expectedChunks={}, compression={}",</span> |
| <span class="source-line-no">341</span><span id="line-341"> pread, bytesPerChecksum, totalSize, dataSize, expectedChunks, algo.toString());</span> |
| <span class="source-line-no">342</span><span id="line-342"></span> |
| <span class="source-line-no">343</span><span id="line-343"> // Verify hbase checksums.</span> |
| <span class="source-line-no">344</span><span id="line-344"> assertEquals(true, hfs.useHBaseChecksum());</span> |
| <span class="source-line-no">345</span><span id="line-345"></span> |
| <span class="source-line-no">346</span><span id="line-346"> // Read data back from file.</span> |
| <span class="source-line-no">347</span><span id="line-347"> FSDataInputStream is = fs.open(path);</span> |
| <span class="source-line-no">348</span><span id="line-348"> FSDataInputStream nochecksum = hfs.getNoChecksumFs().open(path);</span> |
| <span class="source-line-no">349</span><span id="line-349"> meta = new HFileContextBuilder().withCompression(algo).withIncludesMvcc(true)</span> |
| <span class="source-line-no">350</span><span id="line-350"> .withIncludesTags(useTags).withHBaseCheckSum(true).withBytesPerCheckSum(bytesPerChecksum)</span> |
| <span class="source-line-no">351</span><span id="line-351"> .build();</span> |
| <span class="source-line-no">352</span><span id="line-352"> ReaderContext context = new ReaderContextBuilder()</span> |
| <span class="source-line-no">353</span><span id="line-353"> .withInputStreamWrapper(new FSDataInputStreamWrapper(is, nochecksum))</span> |
| <span class="source-line-no">354</span><span id="line-354"> .withFileSize(totalSize).withFileSystem(hfs).withFilePath(path).build();</span> |
| <span class="source-line-no">355</span><span id="line-355"> HFileBlock.FSReader hbr = new HFileBlock.FSReaderImpl(context, meta, ByteBuffAllocator.HEAP,</span> |
| <span class="source-line-no">356</span><span id="line-356"> TEST_UTIL.getConfiguration());</span> |
| <span class="source-line-no">357</span><span id="line-357"> HFileBlock b = hbr.readBlockData(0, -1, pread, false, true);</span> |
| <span class="source-line-no">358</span><span id="line-358"> assertTrue(b.getBufferReadOnly() instanceof SingleByteBuff);</span> |
| <span class="source-line-no">359</span><span id="line-359"> is.close();</span> |
| <span class="source-line-no">360</span><span id="line-360"> b.sanityCheck();</span> |
| <span class="source-line-no">361</span><span id="line-361"> assertEquals(dataSize, b.getUncompressedSizeWithoutHeader());</span> |
| <span class="source-line-no">362</span><span id="line-362"></span> |
| <span class="source-line-no">363</span><span id="line-363"> // verify that we have the expected number of checksum chunks</span> |
| <span class="source-line-no">364</span><span id="line-364"> assertEquals(totalSize,</span> |
| <span class="source-line-no">365</span><span id="line-365"> HConstants.HFILEBLOCK_HEADER_SIZE + dataSize + expectedChunks * HFileBlock.CHECKSUM_SIZE);</span> |
| <span class="source-line-no">366</span><span id="line-366"></span> |
| <span class="source-line-no">367</span><span id="line-367"> // assert that we did not encounter hbase checksum verification failures</span> |
| <span class="source-line-no">368</span><span id="line-368"> assertEquals(0, HFile.getAndResetChecksumFailuresCount());</span> |
| <span class="source-line-no">369</span><span id="line-369"> }</span> |
| <span class="source-line-no">370</span><span id="line-370"> }</span> |
| <span class="source-line-no">371</span><span id="line-371"> }</span> |
| <span class="source-line-no">372</span><span id="line-372"></span> |
| <span class="source-line-no">373</span><span id="line-373"> private void validateData(DataInputStream in) throws IOException {</span> |
| <span class="source-line-no">374</span><span id="line-374"> // validate data</span> |
| <span class="source-line-no">375</span><span id="line-375"> for (int i = 0; i < 1234; i++) {</span> |
| <span class="source-line-no">376</span><span id="line-376"> int val = in.readInt();</span> |
| <span class="source-line-no">377</span><span id="line-377"> assertEquals("testChecksumCorruption: data mismatch at index " + i, i, val);</span> |
| <span class="source-line-no">378</span><span id="line-378"> }</span> |
| <span class="source-line-no">379</span><span id="line-379"> }</span> |
| <span class="source-line-no">380</span><span id="line-380"></span> |
| <span class="source-line-no">381</span><span id="line-381"> /**</span> |
| <span class="source-line-no">382</span><span id="line-382"> * This class is to test checksum behavior when data is corrupted. It mimics the following</span> |
| <span class="source-line-no">383</span><span id="line-383"> * behavior: - When fs checksum is disabled, hbase may get corrupted data from hdfs. If</span> |
| <span class="source-line-no">384</span><span id="line-384"> * verifyChecksum is true, it means hbase checksum is on and fs checksum is off, so we corrupt the</span> |
| <span class="source-line-no">385</span><span id="line-385"> * data. - When fs checksum is enabled, hdfs will get a different copy from another node, and will</span> |
| <span class="source-line-no">386</span><span id="line-386"> * always return correct data. So we don't corrupt the data when verifyChecksum for hbase is off.</span> |
| <span class="source-line-no">387</span><span id="line-387"> */</span> |
| <span class="source-line-no">388</span><span id="line-388"> static private class CorruptedFSReaderImpl extends HFileBlock.FSReaderImpl {</span> |
| <span class="source-line-no">389</span><span id="line-389"> /**</span> |
| <span class="source-line-no">390</span><span id="line-390"> * If set to true, corrupt reads using readAtOffset(...).</span> |
| <span class="source-line-no">391</span><span id="line-391"> */</span> |
| <span class="source-line-no">392</span><span id="line-392"> boolean corruptDataStream = false;</span> |
| <span class="source-line-no">393</span><span id="line-393"></span> |
| <span class="source-line-no">394</span><span id="line-394"> public CorruptedFSReaderImpl(ReaderContext context, HFileContext meta, Configuration conf)</span> |
| <span class="source-line-no">395</span><span id="line-395"> throws IOException {</span> |
| <span class="source-line-no">396</span><span id="line-396"> super(context, meta, ByteBuffAllocator.HEAP, conf);</span> |
| <span class="source-line-no">397</span><span id="line-397"> }</span> |
| <span class="source-line-no">398</span><span id="line-398"></span> |
| <span class="source-line-no">399</span><span id="line-399"> @Override</span> |
| <span class="source-line-no">400</span><span id="line-400"> protected HFileBlock readBlockDataInternal(FSDataInputStream is, long offset,</span> |
| <span class="source-line-no">401</span><span id="line-401"> long onDiskSizeWithHeaderL, boolean pread, boolean verifyChecksum, boolean updateMetrics,</span> |
| <span class="source-line-no">402</span><span id="line-402"> boolean useHeap) throws IOException {</span> |
| <span class="source-line-no">403</span><span id="line-403"> if (verifyChecksum) {</span> |
| <span class="source-line-no">404</span><span id="line-404"> corruptDataStream = true;</span> |
| <span class="source-line-no">405</span><span id="line-405"> }</span> |
| <span class="source-line-no">406</span><span id="line-406"> HFileBlock b = super.readBlockDataInternal(is, offset, onDiskSizeWithHeaderL, pread,</span> |
| <span class="source-line-no">407</span><span id="line-407"> verifyChecksum, updateMetrics, useHeap);</span> |
| <span class="source-line-no">408</span><span id="line-408"> corruptDataStream = false;</span> |
| <span class="source-line-no">409</span><span id="line-409"> return b;</span> |
| <span class="source-line-no">410</span><span id="line-410"> }</span> |
| <span class="source-line-no">411</span><span id="line-411"></span> |
| <span class="source-line-no">412</span><span id="line-412"> @Override</span> |
| <span class="source-line-no">413</span><span id="line-413"> protected boolean readAtOffset(FSDataInputStream istream, ByteBuff dest, int size,</span> |
| <span class="source-line-no">414</span><span id="line-414"> boolean peekIntoNextBlock, long fileOffset, boolean pread) throws IOException {</span> |
| <span class="source-line-no">415</span><span id="line-415"> int destOffset = dest.position();</span> |
| <span class="source-line-no">416</span><span id="line-416"> boolean returnValue =</span> |
| <span class="source-line-no">417</span><span id="line-417"> super.readAtOffset(istream, dest, size, peekIntoNextBlock, fileOffset, pread);</span> |
| <span class="source-line-no">418</span><span id="line-418"> if (!corruptDataStream) {</span> |
| <span class="source-line-no">419</span><span id="line-419"> return returnValue;</span> |
| <span class="source-line-no">420</span><span id="line-420"> }</span> |
| <span class="source-line-no">421</span><span id="line-421"> // Corrupt 3rd character of block magic of next block's header.</span> |
| <span class="source-line-no">422</span><span id="line-422"> if (peekIntoNextBlock) {</span> |
| <span class="source-line-no">423</span><span id="line-423"> dest.put(destOffset + size + 3, (byte) 0b00000000);</span> |
| <span class="source-line-no">424</span><span id="line-424"> }</span> |
| <span class="source-line-no">425</span><span id="line-425"> // We might be reading this block's header too, corrupt it.</span> |
| <span class="source-line-no">426</span><span id="line-426"> dest.put(destOffset + 1, (byte) 0b00000000);</span> |
| <span class="source-line-no">427</span><span id="line-427"> // Corrupt non header data</span> |
| <span class="source-line-no">428</span><span id="line-428"> if (size > hdrSize) {</span> |
| <span class="source-line-no">429</span><span id="line-429"> dest.put(destOffset + hdrSize + 1, (byte) 0b00000000);</span> |
| <span class="source-line-no">430</span><span id="line-430"> }</span> |
| <span class="source-line-no">431</span><span id="line-431"> return returnValue;</span> |
| <span class="source-line-no">432</span><span id="line-432"> }</span> |
| <span class="source-line-no">433</span><span id="line-433"> }</span> |
| <span class="source-line-no">434</span><span id="line-434">}</span> |
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| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
