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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.io.DataOutput;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.io.DataOutputStream;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.io.IOException;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.net.InetSocketAddress;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.nio.ByteBuffer;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.util.ArrayList;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.util.List;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.conf.Configuration;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.fs.FSDataOutputStream;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.fs.FileSystem;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.fs.Path;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.fs.permission.FsPermission;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.ByteBufferExtendedCell;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.Cell;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.CellComparator;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.HConstants;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.KeyValueUtil;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.MetaCellComparator;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.PrivateCellUtil;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.io.compress.Compression;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.io.crypto.Encryption;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.io.encoding.DataBlockEncoding;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.io.hfile.HFileBlock.BlockWritable;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.security.EncryptionUtil;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.security.User;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.util.BloomFilterWriter;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.util.ByteBufferUtils;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.util.CommonFSUtils;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.util.FSUtils;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.apache.hadoop.io.Writable;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span>import org.slf4j.Logger;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span>import org.slf4j.LoggerFactory;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span><a name="line.55"></a> |
| <span class="sourceLineNo">056</span>/**<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> * Common functionality needed by all versions of {@link HFile} writers.<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> */<a name="line.58"></a> |
| <span class="sourceLineNo">059</span>@InterfaceAudience.Private<a name="line.59"></a> |
| <span class="sourceLineNo">060</span>public class HFileWriterImpl implements HFile.Writer {<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> private static final Logger LOG = LoggerFactory.getLogger(HFileWriterImpl.class);<a name="line.61"></a> |
| <span class="sourceLineNo">062</span><a name="line.62"></a> |
| <span class="sourceLineNo">063</span> private static final long UNSET = -1;<a name="line.63"></a> |
| <span class="sourceLineNo">064</span><a name="line.64"></a> |
| <span class="sourceLineNo">065</span> /** if this feature is enabled, preCalculate encoded data size before real encoding happens */<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> public static final String UNIFIED_ENCODED_BLOCKSIZE_RATIO =<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> "hbase.writer.unified.encoded.blocksize.ratio";<a name="line.67"></a> |
| <span class="sourceLineNo">068</span><a name="line.68"></a> |
| <span class="sourceLineNo">069</span> /** Block size limit after encoding, used to unify encoded block Cache entry size */<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> private final int encodedBlockSizeLimit;<a name="line.70"></a> |
| <span class="sourceLineNo">071</span><a name="line.71"></a> |
| <span class="sourceLineNo">072</span> /** The Cell previously appended. Becomes the last cell in the file. */<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> protected Cell lastCell = null;<a name="line.73"></a> |
| <span class="sourceLineNo">074</span><a name="line.74"></a> |
| <span class="sourceLineNo">075</span> /** FileSystem stream to write into. */<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> protected FSDataOutputStream outputStream;<a name="line.76"></a> |
| <span class="sourceLineNo">077</span><a name="line.77"></a> |
| <span class="sourceLineNo">078</span> /** True if we opened the <code>outputStream</code> (and so will close it). */<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> protected final boolean closeOutputStream;<a name="line.79"></a> |
| <span class="sourceLineNo">080</span><a name="line.80"></a> |
| <span class="sourceLineNo">081</span> /** A "file info" block: a key-value map of file-wide metadata. */<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> protected HFileInfo fileInfo = new HFileInfo();<a name="line.82"></a> |
| <span class="sourceLineNo">083</span><a name="line.83"></a> |
| <span class="sourceLineNo">084</span> /** Total # of key/value entries, i.e. how many times add() was called. */<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> protected long entryCount = 0;<a name="line.85"></a> |
| <span class="sourceLineNo">086</span><a name="line.86"></a> |
| <span class="sourceLineNo">087</span> /** Used for calculating the average key length. */<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> protected long totalKeyLength = 0;<a name="line.88"></a> |
| <span class="sourceLineNo">089</span><a name="line.89"></a> |
| <span class="sourceLineNo">090</span> /** Used for calculating the average value length. */<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> protected long totalValueLength = 0;<a name="line.91"></a> |
| <span class="sourceLineNo">092</span><a name="line.92"></a> |
| <span class="sourceLineNo">093</span> /** Total uncompressed bytes, maybe calculate a compression ratio later. */<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> protected long totalUncompressedBytes = 0;<a name="line.94"></a> |
| <span class="sourceLineNo">095</span><a name="line.95"></a> |
| <span class="sourceLineNo">096</span> /** Meta block names. */<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> protected List<byte[]> metaNames = new ArrayList<>();<a name="line.97"></a> |
| <span class="sourceLineNo">098</span><a name="line.98"></a> |
| <span class="sourceLineNo">099</span> /** {@link Writable}s representing meta block data. */<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> protected List<Writable> metaData = new ArrayList<>();<a name="line.100"></a> |
| <span class="sourceLineNo">101</span><a name="line.101"></a> |
| <span class="sourceLineNo">102</span> /**<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> * First cell in a block. This reference should be short-lived since we write hfiles in a burst.<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> */<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> protected Cell firstCellInBlock = null;<a name="line.105"></a> |
| <span class="sourceLineNo">106</span><a name="line.106"></a> |
| <span class="sourceLineNo">107</span> /** May be null if we were passed a stream. */<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> protected final Path path;<a name="line.108"></a> |
| <span class="sourceLineNo">109</span><a name="line.109"></a> |
| <span class="sourceLineNo">110</span> /** Cache configuration for caching data on write. */<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> protected final CacheConfig cacheConf;<a name="line.111"></a> |
| <span class="sourceLineNo">112</span><a name="line.112"></a> |
| <span class="sourceLineNo">113</span> /**<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> * Name for this object used when logging or in toString. Is either the result of a toString on<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> * stream or else name of passed file Path.<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> */<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> protected final String name;<a name="line.117"></a> |
| <span class="sourceLineNo">118</span><a name="line.118"></a> |
| <span class="sourceLineNo">119</span> /**<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> * The data block encoding which will be used. {@link NoOpDataBlockEncoder#INSTANCE} if there is<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> * no encoding.<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> */<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> protected final HFileDataBlockEncoder blockEncoder;<a name="line.123"></a> |
| <span class="sourceLineNo">124</span><a name="line.124"></a> |
| <span class="sourceLineNo">125</span> protected final HFileContext hFileContext;<a name="line.125"></a> |
| <span class="sourceLineNo">126</span><a name="line.126"></a> |
| <span class="sourceLineNo">127</span> private int maxTagsLength = 0;<a name="line.127"></a> |
| <span class="sourceLineNo">128</span><a name="line.128"></a> |
| <span class="sourceLineNo">129</span> /** KeyValue version in FileInfo */<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> public static final byte[] KEY_VALUE_VERSION = Bytes.toBytes("KEY_VALUE_VERSION");<a name="line.130"></a> |
| <span class="sourceLineNo">131</span><a name="line.131"></a> |
| <span class="sourceLineNo">132</span> /** Version for KeyValue which includes memstore timestamp */<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> public static final int KEY_VALUE_VER_WITH_MEMSTORE = 1;<a name="line.133"></a> |
| <span class="sourceLineNo">134</span><a name="line.134"></a> |
| <span class="sourceLineNo">135</span> /** Inline block writers for multi-level block index and compound Blooms. */<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> private List<InlineBlockWriter> inlineBlockWriters = new ArrayList<>();<a name="line.136"></a> |
| <span class="sourceLineNo">137</span><a name="line.137"></a> |
| <span class="sourceLineNo">138</span> /** block writer */<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> protected HFileBlock.Writer blockWriter;<a name="line.139"></a> |
| <span class="sourceLineNo">140</span><a name="line.140"></a> |
| <span class="sourceLineNo">141</span> private HFileBlockIndex.BlockIndexWriter dataBlockIndexWriter;<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> private HFileBlockIndex.BlockIndexWriter metaBlockIndexWriter;<a name="line.142"></a> |
| <span class="sourceLineNo">143</span><a name="line.143"></a> |
| <span class="sourceLineNo">144</span> /** The offset of the first data block or -1 if the file is empty. */<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> private long firstDataBlockOffset = UNSET;<a name="line.145"></a> |
| <span class="sourceLineNo">146</span><a name="line.146"></a> |
| <span class="sourceLineNo">147</span> /** The offset of the last data block or 0 if the file is empty. */<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> protected long lastDataBlockOffset = UNSET;<a name="line.148"></a> |
| <span class="sourceLineNo">149</span><a name="line.149"></a> |
| <span class="sourceLineNo">150</span> /**<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> * The last(stop) Cell of the previous data block. This reference should be short-lived since we<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> * write hfiles in a burst.<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> */<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> private Cell lastCellOfPreviousBlock = null;<a name="line.154"></a> |
| <span class="sourceLineNo">155</span><a name="line.155"></a> |
| <span class="sourceLineNo">156</span> /** Additional data items to be written to the "load-on-open" section. */<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> private List<BlockWritable> additionalLoadOnOpenData = new ArrayList<>();<a name="line.157"></a> |
| <span class="sourceLineNo">158</span><a name="line.158"></a> |
| <span class="sourceLineNo">159</span> protected long maxMemstoreTS = 0;<a name="line.159"></a> |
| <span class="sourceLineNo">160</span><a name="line.160"></a> |
| <span class="sourceLineNo">161</span> public HFileWriterImpl(final Configuration conf, CacheConfig cacheConf, Path path,<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> FSDataOutputStream outputStream, HFileContext fileContext) {<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> this.outputStream = outputStream;<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> this.path = path;<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> this.name = path != null ? path.getName() : outputStream.toString();<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> this.hFileContext = fileContext;<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> DataBlockEncoding encoding = hFileContext.getDataBlockEncoding();<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> if (encoding != DataBlockEncoding.NONE) {<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> this.blockEncoder = new HFileDataBlockEncoderImpl(encoding);<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> } else {<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> this.blockEncoder = NoOpDataBlockEncoder.INSTANCE;<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> }<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> closeOutputStream = path != null;<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> this.cacheConf = cacheConf;<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> float encodeBlockSizeRatio = conf.getFloat(UNIFIED_ENCODED_BLOCKSIZE_RATIO, 1f);<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> this.encodedBlockSizeLimit = (int) (hFileContext.getBlocksize() * encodeBlockSizeRatio);<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> finishInit(conf);<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> if (LOG.isTraceEnabled()) {<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> LOG.trace("Writer" + (path != null ? " for " + path : "") + " initialized with cacheConf: "<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> + cacheConf + " fileContext: " + fileContext);<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> }<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> }<a name="line.182"></a> |
| <span class="sourceLineNo">183</span><a name="line.183"></a> |
| <span class="sourceLineNo">184</span> /**<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> * Add to the file info. All added key/value pairs can be obtained using<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> * {@link HFile.Reader#getHFileInfo()}.<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> * @param k Key<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> * @param v Value<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> * @throws IOException in case the key or the value are invalid<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> */<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> @Override<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> public void appendFileInfo(final byte[] k, final byte[] v) throws IOException {<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> fileInfo.append(k, v, true);<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> }<a name="line.194"></a> |
| <span class="sourceLineNo">195</span><a name="line.195"></a> |
| <span class="sourceLineNo">196</span> /**<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> * Sets the file info offset in the trailer, finishes up populating fields in the file info, and<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> * writes the file info into the given data output. The reason the data output is not always<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> * {@link #outputStream} is that we store file info as a block in version 2.<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> * @param trailer fixed file trailer<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> * @param out the data output to write the file info to<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> */<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> protected final void writeFileInfo(FixedFileTrailer trailer, DataOutputStream out)<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> throws IOException {<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> trailer.setFileInfoOffset(outputStream.getPos());<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> finishFileInfo();<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> long startTime = EnvironmentEdgeManager.currentTime();<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> fileInfo.write(out);<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> HFile.updateWriteLatency(EnvironmentEdgeManager.currentTime() - startTime);<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> }<a name="line.210"></a> |
| <span class="sourceLineNo">211</span><a name="line.211"></a> |
| <span class="sourceLineNo">212</span> public long getPos() throws IOException {<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> return outputStream.getPos();<a name="line.213"></a> |
| <span class="sourceLineNo">214</span><a name="line.214"></a> |
| <span class="sourceLineNo">215</span> }<a name="line.215"></a> |
| <span class="sourceLineNo">216</span><a name="line.216"></a> |
| <span class="sourceLineNo">217</span> /**<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> * Checks that the given Cell's key does not violate the key order.<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> * @param cell Cell whose key to check.<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> * @return true if the key is duplicate<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> * @throws IOException if the key or the key order is wrong<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> */<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> protected boolean checkKey(final Cell cell) throws IOException {<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> boolean isDuplicateKey = false;<a name="line.224"></a> |
| <span class="sourceLineNo">225</span><a name="line.225"></a> |
| <span class="sourceLineNo">226</span> if (cell == null) {<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> throw new IOException("Key cannot be null or empty");<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> }<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> if (lastCell != null) {<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> int keyComp = PrivateCellUtil.compareKeyIgnoresMvcc(this.hFileContext.getCellComparator(),<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> lastCell, cell);<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> if (keyComp > 0) {<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> String message = getLexicalErrorMessage(cell);<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> throw new IOException(message);<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> } else if (keyComp == 0) {<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> isDuplicateKey = true;<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> }<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> }<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> return isDuplicateKey;<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> }<a name="line.240"></a> |
| <span class="sourceLineNo">241</span><a name="line.241"></a> |
| <span class="sourceLineNo">242</span> private String getLexicalErrorMessage(Cell cell) {<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> StringBuilder sb = new StringBuilder();<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> sb.append("Added a key not lexically larger than previous. Current cell = ");<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> sb.append(cell);<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> sb.append(", lastCell = ");<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> sb.append(lastCell);<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> // file context includes HFile path and optionally table and CF of file being written<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> sb.append("fileContext=");<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> sb.append(hFileContext);<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> return sb.toString();<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> }<a name="line.252"></a> |
| <span class="sourceLineNo">253</span><a name="line.253"></a> |
| <span class="sourceLineNo">254</span> /** Checks the given value for validity. */<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> protected void checkValue(final byte[] value, final int offset, final int length)<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> throws IOException {<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> if (value == null) {<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> throw new IOException("Value cannot be null");<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> }<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> }<a name="line.260"></a> |
| <span class="sourceLineNo">261</span><a name="line.261"></a> |
| <span class="sourceLineNo">262</span> /** Returns Path or null if we were passed a stream rather than a Path. */<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> @Override<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> public Path getPath() {<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> return path;<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> }<a name="line.266"></a> |
| <span class="sourceLineNo">267</span><a name="line.267"></a> |
| <span class="sourceLineNo">268</span> @Override<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> public String toString() {<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> return "writer=" + (path != null ? path.toString() : null) + ", name=" + name + ", compression="<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> + hFileContext.getCompression().getName();<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> }<a name="line.272"></a> |
| <span class="sourceLineNo">273</span><a name="line.273"></a> |
| <span class="sourceLineNo">274</span> public static Compression.Algorithm compressionByName(String algoName) {<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> if (algoName == null) {<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> return HFile.DEFAULT_COMPRESSION_ALGORITHM;<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> }<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> return Compression.getCompressionAlgorithmByName(algoName);<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> }<a name="line.279"></a> |
| <span class="sourceLineNo">280</span><a name="line.280"></a> |
| <span class="sourceLineNo">281</span> /** A helper method to create HFile output streams in constructors */<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> protected static FSDataOutputStream createOutputStream(Configuration conf, FileSystem fs,<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> Path path, InetSocketAddress[] favoredNodes) throws IOException {<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> FsPermission perms = CommonFSUtils.getFilePermissions(fs, conf, HConstants.DATA_FILE_UMASK_KEY);<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> return FSUtils.create(conf, fs, path, perms, favoredNodes);<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> }<a name="line.286"></a> |
| <span class="sourceLineNo">287</span><a name="line.287"></a> |
| <span class="sourceLineNo">288</span> /** Additional initialization steps */<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> protected void finishInit(final Configuration conf) {<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> if (blockWriter != null) {<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> throw new IllegalStateException("finishInit called twice");<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> }<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> blockWriter =<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> new HFileBlock.Writer(conf, blockEncoder, hFileContext, cacheConf.getByteBuffAllocator());<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> // Data block index writer<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> boolean cacheIndexesOnWrite = cacheConf.shouldCacheIndexesOnWrite();<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> dataBlockIndexWriter = new HFileBlockIndex.BlockIndexWriter(blockWriter,<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> cacheIndexesOnWrite ? cacheConf : null, cacheIndexesOnWrite ? name : null);<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> dataBlockIndexWriter.setMaxChunkSize(HFileBlockIndex.getMaxChunkSize(conf));<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> dataBlockIndexWriter.setMinIndexNumEntries(HFileBlockIndex.getMinIndexNumEntries(conf));<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> inlineBlockWriters.add(dataBlockIndexWriter);<a name="line.301"></a> |
| <span class="sourceLineNo">302</span><a name="line.302"></a> |
| <span class="sourceLineNo">303</span> // Meta data block index writer<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> metaBlockIndexWriter = new HFileBlockIndex.BlockIndexWriter();<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> LOG.trace("Initialized with {}", cacheConf);<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> }<a name="line.306"></a> |
| <span class="sourceLineNo">307</span><a name="line.307"></a> |
| <span class="sourceLineNo">308</span> /**<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> * At a block boundary, write all the inline blocks and opens new block.<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> */<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> protected void checkBlockBoundary() throws IOException {<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> // For encoder like prefixTree, encoded size is not available, so we have to compare both<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> // encoded size and unencoded size to blocksize limit.<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> if (<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> blockWriter.encodedBlockSizeWritten() >= encodedBlockSizeLimit<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> || blockWriter.blockSizeWritten() >= hFileContext.getBlocksize()<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> ) {<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> finishBlock();<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> writeInlineBlocks(false);<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> newBlock();<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> }<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> }<a name="line.322"></a> |
| <span class="sourceLineNo">323</span><a name="line.323"></a> |
| <span class="sourceLineNo">324</span> /** Clean up the data block that is currently being written. */<a name="line.324"></a> |
| <span class="sourceLineNo">325</span> private void finishBlock() throws IOException {<a name="line.325"></a> |
| <span class="sourceLineNo">326</span> if (!blockWriter.isWriting() || blockWriter.blockSizeWritten() == 0) {<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> return;<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> }<a name="line.328"></a> |
| <span class="sourceLineNo">329</span><a name="line.329"></a> |
| <span class="sourceLineNo">330</span> // Update the first data block offset if UNSET; used scanning.<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> if (firstDataBlockOffset == UNSET) {<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> firstDataBlockOffset = outputStream.getPos();<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> }<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> // Update the last data block offset each time through here.<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> lastDataBlockOffset = outputStream.getPos();<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> blockWriter.writeHeaderAndData(outputStream);<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> int onDiskSize = blockWriter.getOnDiskSizeWithHeader();<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> Cell indexEntry =<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> getMidpoint(this.hFileContext.getCellComparator(), lastCellOfPreviousBlock, firstCellInBlock);<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> dataBlockIndexWriter.addEntry(PrivateCellUtil.getCellKeySerializedAsKeyValueKey(indexEntry),<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> lastDataBlockOffset, onDiskSize);<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> totalUncompressedBytes += blockWriter.getUncompressedSizeWithHeader();<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> if (cacheConf.shouldCacheDataOnWrite()) {<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> doCacheOnWrite(lastDataBlockOffset);<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> }<a name="line.345"></a> |
| <span class="sourceLineNo">346</span> }<a name="line.346"></a> |
| <span class="sourceLineNo">347</span><a name="line.347"></a> |
| <span class="sourceLineNo">348</span> /**<a name="line.348"></a> |
| <span class="sourceLineNo">349</span> * Try to return a Cell that falls between <code>left</code> and <code>right</code> but that is<a name="line.349"></a> |
| <span class="sourceLineNo">350</span> * shorter; i.e. takes up less space. This trick is used building HFile block index. Its an<a name="line.350"></a> |
| <span class="sourceLineNo">351</span> * optimization. It does not always work. In this case we'll just return the <code>right</code><a name="line.351"></a> |
| <span class="sourceLineNo">352</span> * cell.<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> * @return A cell that sorts between <code>left</code> and <code>right</code>.<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> */<a name="line.354"></a> |
| <span class="sourceLineNo">355</span> public static Cell getMidpoint(final CellComparator comparator, final Cell left,<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> final Cell right) {<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> if (right == null) {<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> throw new IllegalArgumentException("right cell can not be null");<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> }<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> if (left == null) {<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> return right;<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> }<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> // If Cells from meta table, don't mess around. meta table Cells have schema<a name="line.363"></a> |
| <span class="sourceLineNo">364</span> // (table,startrow,hash) so can't be treated as plain byte arrays. Just skip<a name="line.364"></a> |
| <span class="sourceLineNo">365</span> // out without trying to do this optimization.<a name="line.365"></a> |
| <span class="sourceLineNo">366</span> if (comparator instanceof MetaCellComparator) {<a name="line.366"></a> |
| <span class="sourceLineNo">367</span> return right;<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> }<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> byte[] midRow;<a name="line.369"></a> |
| <span class="sourceLineNo">370</span> boolean bufferBacked =<a name="line.370"></a> |
| <span class="sourceLineNo">371</span> left instanceof ByteBufferExtendedCell && right instanceof ByteBufferExtendedCell;<a name="line.371"></a> |
| <span class="sourceLineNo">372</span> if (bufferBacked) {<a name="line.372"></a> |
| <span class="sourceLineNo">373</span> midRow = getMinimumMidpointArray(((ByteBufferExtendedCell) left).getRowByteBuffer(),<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> ((ByteBufferExtendedCell) left).getRowPosition(), left.getRowLength(),<a name="line.374"></a> |
| <span class="sourceLineNo">375</span> ((ByteBufferExtendedCell) right).getRowByteBuffer(),<a name="line.375"></a> |
| <span class="sourceLineNo">376</span> ((ByteBufferExtendedCell) right).getRowPosition(), right.getRowLength());<a name="line.376"></a> |
| <span class="sourceLineNo">377</span> } else {<a name="line.377"></a> |
| <span class="sourceLineNo">378</span> midRow = getMinimumMidpointArray(left.getRowArray(), left.getRowOffset(), left.getRowLength(),<a name="line.378"></a> |
| <span class="sourceLineNo">379</span> right.getRowArray(), right.getRowOffset(), right.getRowLength());<a name="line.379"></a> |
| <span class="sourceLineNo">380</span> }<a name="line.380"></a> |
| <span class="sourceLineNo">381</span> if (midRow != null) {<a name="line.381"></a> |
| <span class="sourceLineNo">382</span> return PrivateCellUtil.createFirstOnRow(midRow);<a name="line.382"></a> |
| <span class="sourceLineNo">383</span> }<a name="line.383"></a> |
| <span class="sourceLineNo">384</span> // Rows are same. Compare on families.<a name="line.384"></a> |
| <span class="sourceLineNo">385</span> if (bufferBacked) {<a name="line.385"></a> |
| <span class="sourceLineNo">386</span> midRow = getMinimumMidpointArray(((ByteBufferExtendedCell) left).getFamilyByteBuffer(),<a name="line.386"></a> |
| <span class="sourceLineNo">387</span> ((ByteBufferExtendedCell) left).getFamilyPosition(), left.getFamilyLength(),<a name="line.387"></a> |
| <span class="sourceLineNo">388</span> ((ByteBufferExtendedCell) right).getFamilyByteBuffer(),<a name="line.388"></a> |
| <span class="sourceLineNo">389</span> ((ByteBufferExtendedCell) right).getFamilyPosition(), right.getFamilyLength());<a name="line.389"></a> |
| <span class="sourceLineNo">390</span> } else {<a name="line.390"></a> |
| <span class="sourceLineNo">391</span> midRow = getMinimumMidpointArray(left.getFamilyArray(), left.getFamilyOffset(),<a name="line.391"></a> |
| <span class="sourceLineNo">392</span> left.getFamilyLength(), right.getFamilyArray(), right.getFamilyOffset(),<a name="line.392"></a> |
| <span class="sourceLineNo">393</span> right.getFamilyLength());<a name="line.393"></a> |
| <span class="sourceLineNo">394</span> }<a name="line.394"></a> |
| <span class="sourceLineNo">395</span> if (midRow != null) {<a name="line.395"></a> |
| <span class="sourceLineNo">396</span> return PrivateCellUtil.createFirstOnRowFamily(right, midRow, 0, midRow.length);<a name="line.396"></a> |
| <span class="sourceLineNo">397</span> }<a name="line.397"></a> |
| <span class="sourceLineNo">398</span> // Families are same. Compare on qualifiers.<a name="line.398"></a> |
| <span class="sourceLineNo">399</span> if (bufferBacked) {<a name="line.399"></a> |
| <span class="sourceLineNo">400</span> midRow = getMinimumMidpointArray(((ByteBufferExtendedCell) left).getQualifierByteBuffer(),<a name="line.400"></a> |
| <span class="sourceLineNo">401</span> ((ByteBufferExtendedCell) left).getQualifierPosition(), left.getQualifierLength(),<a name="line.401"></a> |
| <span class="sourceLineNo">402</span> ((ByteBufferExtendedCell) right).getQualifierByteBuffer(),<a name="line.402"></a> |
| <span class="sourceLineNo">403</span> ((ByteBufferExtendedCell) right).getQualifierPosition(), right.getQualifierLength());<a name="line.403"></a> |
| <span class="sourceLineNo">404</span> } else {<a name="line.404"></a> |
| <span class="sourceLineNo">405</span> midRow = getMinimumMidpointArray(left.getQualifierArray(), left.getQualifierOffset(),<a name="line.405"></a> |
| <span class="sourceLineNo">406</span> left.getQualifierLength(), right.getQualifierArray(), right.getQualifierOffset(),<a name="line.406"></a> |
| <span class="sourceLineNo">407</span> right.getQualifierLength());<a name="line.407"></a> |
| <span class="sourceLineNo">408</span> }<a name="line.408"></a> |
| <span class="sourceLineNo">409</span> if (midRow != null) {<a name="line.409"></a> |
| <span class="sourceLineNo">410</span> return PrivateCellUtil.createFirstOnRowCol(right, midRow, 0, midRow.length);<a name="line.410"></a> |
| <span class="sourceLineNo">411</span> }<a name="line.411"></a> |
| <span class="sourceLineNo">412</span> // No opportunity for optimization. Just return right key.<a name="line.412"></a> |
| <span class="sourceLineNo">413</span> return right;<a name="line.413"></a> |
| <span class="sourceLineNo">414</span> }<a name="line.414"></a> |
| <span class="sourceLineNo">415</span><a name="line.415"></a> |
| <span class="sourceLineNo">416</span> /**<a name="line.416"></a> |
| <span class="sourceLineNo">417</span> * Try to get a byte array that falls between left and right as short as possible with<a name="line.417"></a> |
| <span class="sourceLineNo">418</span> * lexicographical order;<a name="line.418"></a> |
| <span class="sourceLineNo">419</span> * @return Return a new array that is between left and right and minimally sized else just return<a name="line.419"></a> |
| <span class="sourceLineNo">420</span> * null if left == right.<a name="line.420"></a> |
| <span class="sourceLineNo">421</span> */<a name="line.421"></a> |
| <span class="sourceLineNo">422</span> private static byte[] getMinimumMidpointArray(final byte[] leftArray, final int leftOffset,<a name="line.422"></a> |
| <span class="sourceLineNo">423</span> final int leftLength, final byte[] rightArray, final int rightOffset, final int rightLength) {<a name="line.423"></a> |
| <span class="sourceLineNo">424</span> int minLength = leftLength < rightLength ? leftLength : rightLength;<a name="line.424"></a> |
| <span class="sourceLineNo">425</span> int diffIdx = 0;<a name="line.425"></a> |
| <span class="sourceLineNo">426</span> for (; diffIdx < minLength; diffIdx++) {<a name="line.426"></a> |
| <span class="sourceLineNo">427</span> byte leftByte = leftArray[leftOffset + diffIdx];<a name="line.427"></a> |
| <span class="sourceLineNo">428</span> byte rightByte = rightArray[rightOffset + diffIdx];<a name="line.428"></a> |
| <span class="sourceLineNo">429</span> if ((leftByte & 0xff) > (rightByte & 0xff)) {<a name="line.429"></a> |
| <span class="sourceLineNo">430</span> throw new IllegalArgumentException("Left byte array sorts after right row; left="<a name="line.430"></a> |
| <span class="sourceLineNo">431</span> + Bytes.toStringBinary(leftArray, leftOffset, leftLength) + ", right="<a name="line.431"></a> |
| <span class="sourceLineNo">432</span> + Bytes.toStringBinary(rightArray, rightOffset, rightLength));<a name="line.432"></a> |
| <span class="sourceLineNo">433</span> } else if (leftByte != rightByte) {<a name="line.433"></a> |
| <span class="sourceLineNo">434</span> break;<a name="line.434"></a> |
| <span class="sourceLineNo">435</span> }<a name="line.435"></a> |
| <span class="sourceLineNo">436</span> }<a name="line.436"></a> |
| <span class="sourceLineNo">437</span> if (diffIdx == minLength) {<a name="line.437"></a> |
| <span class="sourceLineNo">438</span> if (leftLength > rightLength) {<a name="line.438"></a> |
| <span class="sourceLineNo">439</span> // right is prefix of left<a name="line.439"></a> |
| <span class="sourceLineNo">440</span> throw new IllegalArgumentException("Left byte array sorts after right row; left="<a name="line.440"></a> |
| <span class="sourceLineNo">441</span> + Bytes.toStringBinary(leftArray, leftOffset, leftLength) + ", right="<a name="line.441"></a> |
| <span class="sourceLineNo">442</span> + Bytes.toStringBinary(rightArray, rightOffset, rightLength));<a name="line.442"></a> |
| <span class="sourceLineNo">443</span> } else if (leftLength < rightLength) {<a name="line.443"></a> |
| <span class="sourceLineNo">444</span> // left is prefix of right.<a name="line.444"></a> |
| <span class="sourceLineNo">445</span> byte[] minimumMidpointArray = new byte[minLength + 1];<a name="line.445"></a> |
| <span class="sourceLineNo">446</span> System.arraycopy(rightArray, rightOffset, minimumMidpointArray, 0, minLength + 1);<a name="line.446"></a> |
| <span class="sourceLineNo">447</span> minimumMidpointArray[minLength] = 0x00;<a name="line.447"></a> |
| <span class="sourceLineNo">448</span> return minimumMidpointArray;<a name="line.448"></a> |
| <span class="sourceLineNo">449</span> } else {<a name="line.449"></a> |
| <span class="sourceLineNo">450</span> // left == right<a name="line.450"></a> |
| <span class="sourceLineNo">451</span> return null;<a name="line.451"></a> |
| <span class="sourceLineNo">452</span> }<a name="line.452"></a> |
| <span class="sourceLineNo">453</span> }<a name="line.453"></a> |
| <span class="sourceLineNo">454</span> // Note that left[diffIdx] can never be equal to 0xff since left < right<a name="line.454"></a> |
| <span class="sourceLineNo">455</span> byte[] minimumMidpointArray = new byte[diffIdx + 1];<a name="line.455"></a> |
| <span class="sourceLineNo">456</span> System.arraycopy(leftArray, leftOffset, minimumMidpointArray, 0, diffIdx + 1);<a name="line.456"></a> |
| <span class="sourceLineNo">457</span> minimumMidpointArray[diffIdx] = (byte) (minimumMidpointArray[diffIdx] + 1);<a name="line.457"></a> |
| <span class="sourceLineNo">458</span> return minimumMidpointArray;<a name="line.458"></a> |
| <span class="sourceLineNo">459</span> }<a name="line.459"></a> |
| <span class="sourceLineNo">460</span><a name="line.460"></a> |
| <span class="sourceLineNo">461</span> /**<a name="line.461"></a> |
| <span class="sourceLineNo">462</span> * Try to create a new byte array that falls between left and right as short as possible with<a name="line.462"></a> |
| <span class="sourceLineNo">463</span> * lexicographical order.<a name="line.463"></a> |
| <span class="sourceLineNo">464</span> * @return Return a new array that is between left and right and minimally sized else just return<a name="line.464"></a> |
| <span class="sourceLineNo">465</span> * null if left == right.<a name="line.465"></a> |
| <span class="sourceLineNo">466</span> */<a name="line.466"></a> |
| <span class="sourceLineNo">467</span> private static byte[] getMinimumMidpointArray(ByteBuffer left, int leftOffset, int leftLength,<a name="line.467"></a> |
| <span class="sourceLineNo">468</span> ByteBuffer right, int rightOffset, int rightLength) {<a name="line.468"></a> |
| <span class="sourceLineNo">469</span> int minLength = leftLength < rightLength ? leftLength : rightLength;<a name="line.469"></a> |
| <span class="sourceLineNo">470</span> int diffIdx = 0;<a name="line.470"></a> |
| <span class="sourceLineNo">471</span> for (; diffIdx < minLength; diffIdx++) {<a name="line.471"></a> |
| <span class="sourceLineNo">472</span> int leftByte = ByteBufferUtils.toByte(left, leftOffset + diffIdx);<a name="line.472"></a> |
| <span class="sourceLineNo">473</span> int rightByte = ByteBufferUtils.toByte(right, rightOffset + diffIdx);<a name="line.473"></a> |
| <span class="sourceLineNo">474</span> if ((leftByte & 0xff) > (rightByte & 0xff)) {<a name="line.474"></a> |
| <span class="sourceLineNo">475</span> throw new IllegalArgumentException("Left byte array sorts after right row; left="<a name="line.475"></a> |
| <span class="sourceLineNo">476</span> + ByteBufferUtils.toStringBinary(left, leftOffset, leftLength) + ", right="<a name="line.476"></a> |
| <span class="sourceLineNo">477</span> + ByteBufferUtils.toStringBinary(right, rightOffset, rightLength));<a name="line.477"></a> |
| <span class="sourceLineNo">478</span> } else if (leftByte != rightByte) {<a name="line.478"></a> |
| <span class="sourceLineNo">479</span> break;<a name="line.479"></a> |
| <span class="sourceLineNo">480</span> }<a name="line.480"></a> |
| <span class="sourceLineNo">481</span> }<a name="line.481"></a> |
| <span class="sourceLineNo">482</span> if (diffIdx == minLength) {<a name="line.482"></a> |
| <span class="sourceLineNo">483</span> if (leftLength > rightLength) {<a name="line.483"></a> |
| <span class="sourceLineNo">484</span> // right is prefix of left<a name="line.484"></a> |
| <span class="sourceLineNo">485</span> throw new IllegalArgumentException("Left byte array sorts after right row; left="<a name="line.485"></a> |
| <span class="sourceLineNo">486</span> + ByteBufferUtils.toStringBinary(left, leftOffset, leftLength) + ", right="<a name="line.486"></a> |
| <span class="sourceLineNo">487</span> + ByteBufferUtils.toStringBinary(right, rightOffset, rightLength));<a name="line.487"></a> |
| <span class="sourceLineNo">488</span> } else if (leftLength < rightLength) {<a name="line.488"></a> |
| <span class="sourceLineNo">489</span> // left is prefix of right.<a name="line.489"></a> |
| <span class="sourceLineNo">490</span> byte[] minimumMidpointArray = new byte[minLength + 1];<a name="line.490"></a> |
| <span class="sourceLineNo">491</span> ByteBufferUtils.copyFromBufferToArray(minimumMidpointArray, right, rightOffset, 0,<a name="line.491"></a> |
| <span class="sourceLineNo">492</span> minLength + 1);<a name="line.492"></a> |
| <span class="sourceLineNo">493</span> minimumMidpointArray[minLength] = 0x00;<a name="line.493"></a> |
| <span class="sourceLineNo">494</span> return minimumMidpointArray;<a name="line.494"></a> |
| <span class="sourceLineNo">495</span> } else {<a name="line.495"></a> |
| <span class="sourceLineNo">496</span> // left == right<a name="line.496"></a> |
| <span class="sourceLineNo">497</span> return null;<a name="line.497"></a> |
| <span class="sourceLineNo">498</span> }<a name="line.498"></a> |
| <span class="sourceLineNo">499</span> }<a name="line.499"></a> |
| <span class="sourceLineNo">500</span> // Note that left[diffIdx] can never be equal to 0xff since left < right<a name="line.500"></a> |
| <span class="sourceLineNo">501</span> byte[] minimumMidpointArray = new byte[diffIdx + 1];<a name="line.501"></a> |
| <span class="sourceLineNo">502</span> ByteBufferUtils.copyFromBufferToArray(minimumMidpointArray, left, leftOffset, 0, diffIdx + 1);<a name="line.502"></a> |
| <span class="sourceLineNo">503</span> minimumMidpointArray[diffIdx] = (byte) (minimumMidpointArray[diffIdx] + 1);<a name="line.503"></a> |
| <span class="sourceLineNo">504</span> return minimumMidpointArray;<a name="line.504"></a> |
| <span class="sourceLineNo">505</span> }<a name="line.505"></a> |
| <span class="sourceLineNo">506</span><a name="line.506"></a> |
| <span class="sourceLineNo">507</span> /** Gives inline block writers an opportunity to contribute blocks. */<a name="line.507"></a> |
| <span class="sourceLineNo">508</span> private void writeInlineBlocks(boolean closing) throws IOException {<a name="line.508"></a> |
| <span class="sourceLineNo">509</span> for (InlineBlockWriter ibw : inlineBlockWriters) {<a name="line.509"></a> |
| <span class="sourceLineNo">510</span> while (ibw.shouldWriteBlock(closing)) {<a name="line.510"></a> |
| <span class="sourceLineNo">511</span> long offset = outputStream.getPos();<a name="line.511"></a> |
| <span class="sourceLineNo">512</span> boolean cacheThisBlock = ibw.getCacheOnWrite();<a name="line.512"></a> |
| <span class="sourceLineNo">513</span> ibw.writeInlineBlock(blockWriter.startWriting(ibw.getInlineBlockType()));<a name="line.513"></a> |
| <span class="sourceLineNo">514</span> blockWriter.writeHeaderAndData(outputStream);<a name="line.514"></a> |
| <span class="sourceLineNo">515</span> ibw.blockWritten(offset, blockWriter.getOnDiskSizeWithHeader(),<a name="line.515"></a> |
| <span class="sourceLineNo">516</span> blockWriter.getUncompressedSizeWithoutHeader());<a name="line.516"></a> |
| <span class="sourceLineNo">517</span> totalUncompressedBytes += blockWriter.getUncompressedSizeWithHeader();<a name="line.517"></a> |
| <span class="sourceLineNo">518</span><a name="line.518"></a> |
| <span class="sourceLineNo">519</span> if (cacheThisBlock) {<a name="line.519"></a> |
| <span class="sourceLineNo">520</span> doCacheOnWrite(offset);<a name="line.520"></a> |
| <span class="sourceLineNo">521</span> }<a name="line.521"></a> |
| <span class="sourceLineNo">522</span> }<a name="line.522"></a> |
| <span class="sourceLineNo">523</span> }<a name="line.523"></a> |
| <span class="sourceLineNo">524</span> }<a name="line.524"></a> |
| <span class="sourceLineNo">525</span><a name="line.525"></a> |
| <span class="sourceLineNo">526</span> /**<a name="line.526"></a> |
| <span class="sourceLineNo">527</span> * Caches the last written HFile block.<a name="line.527"></a> |
| <span class="sourceLineNo">528</span> * @param offset the offset of the block we want to cache. Used to determine the cache key.<a name="line.528"></a> |
| <span class="sourceLineNo">529</span> */<a name="line.529"></a> |
| <span class="sourceLineNo">530</span> private void doCacheOnWrite(long offset) {<a name="line.530"></a> |
| <span class="sourceLineNo">531</span> cacheConf.getBlockCache().ifPresent(cache -> {<a name="line.531"></a> |
| <span class="sourceLineNo">532</span> HFileBlock cacheFormatBlock = blockWriter.getBlockForCaching(cacheConf);<a name="line.532"></a> |
| <span class="sourceLineNo">533</span> try {<a name="line.533"></a> |
| <span class="sourceLineNo">534</span> cache.cacheBlock(new BlockCacheKey(name, offset, true, cacheFormatBlock.getBlockType()),<a name="line.534"></a> |
| <span class="sourceLineNo">535</span> cacheFormatBlock);<a name="line.535"></a> |
| <span class="sourceLineNo">536</span> } finally {<a name="line.536"></a> |
| <span class="sourceLineNo">537</span> // refCnt will auto increase when block add to Cache, see RAMCache#putIfAbsent<a name="line.537"></a> |
| <span class="sourceLineNo">538</span> cacheFormatBlock.release();<a name="line.538"></a> |
| <span class="sourceLineNo">539</span> }<a name="line.539"></a> |
| <span class="sourceLineNo">540</span> });<a name="line.540"></a> |
| <span class="sourceLineNo">541</span> }<a name="line.541"></a> |
| <span class="sourceLineNo">542</span><a name="line.542"></a> |
| <span class="sourceLineNo">543</span> /**<a name="line.543"></a> |
| <span class="sourceLineNo">544</span> * Ready a new block for writing.<a name="line.544"></a> |
| <span class="sourceLineNo">545</span> */<a name="line.545"></a> |
| <span class="sourceLineNo">546</span> protected void newBlock() throws IOException {<a name="line.546"></a> |
| <span class="sourceLineNo">547</span> // This is where the next block begins.<a name="line.547"></a> |
| <span class="sourceLineNo">548</span> blockWriter.startWriting(BlockType.DATA);<a name="line.548"></a> |
| <span class="sourceLineNo">549</span> firstCellInBlock = null;<a name="line.549"></a> |
| <span class="sourceLineNo">550</span> if (lastCell != null) {<a name="line.550"></a> |
| <span class="sourceLineNo">551</span> lastCellOfPreviousBlock = lastCell;<a name="line.551"></a> |
| <span class="sourceLineNo">552</span> }<a name="line.552"></a> |
| <span class="sourceLineNo">553</span> }<a name="line.553"></a> |
| <span class="sourceLineNo">554</span><a name="line.554"></a> |
| <span class="sourceLineNo">555</span> /**<a name="line.555"></a> |
| <span class="sourceLineNo">556</span> * Add a meta block to the end of the file. Call before close(). Metadata blocks are expensive.<a name="line.556"></a> |
| <span class="sourceLineNo">557</span> * Fill one with a bunch of serialized data rather than do a metadata block per metadata instance.<a name="line.557"></a> |
| <span class="sourceLineNo">558</span> * If metadata is small, consider adding to file info using<a name="line.558"></a> |
| <span class="sourceLineNo">559</span> * {@link #appendFileInfo(byte[], byte[])} n * name of the block n * will call readFields to get<a name="line.559"></a> |
| <span class="sourceLineNo">560</span> * data later (DO NOT REUSE)<a name="line.560"></a> |
| <span class="sourceLineNo">561</span> */<a name="line.561"></a> |
| <span class="sourceLineNo">562</span> @Override<a name="line.562"></a> |
| <span class="sourceLineNo">563</span> public void appendMetaBlock(String metaBlockName, Writable content) {<a name="line.563"></a> |
| <span class="sourceLineNo">564</span> byte[] key = Bytes.toBytes(metaBlockName);<a name="line.564"></a> |
| <span class="sourceLineNo">565</span> int i;<a name="line.565"></a> |
| <span class="sourceLineNo">566</span> for (i = 0; i < metaNames.size(); ++i) {<a name="line.566"></a> |
| <span class="sourceLineNo">567</span> // stop when the current key is greater than our own<a name="line.567"></a> |
| <span class="sourceLineNo">568</span> byte[] cur = metaNames.get(i);<a name="line.568"></a> |
| <span class="sourceLineNo">569</span> if (Bytes.BYTES_RAWCOMPARATOR.compare(cur, 0, cur.length, key, 0, key.length) > 0) {<a name="line.569"></a> |
| <span class="sourceLineNo">570</span> break;<a name="line.570"></a> |
| <span class="sourceLineNo">571</span> }<a name="line.571"></a> |
| <span class="sourceLineNo">572</span> }<a name="line.572"></a> |
| <span class="sourceLineNo">573</span> metaNames.add(i, key);<a name="line.573"></a> |
| <span class="sourceLineNo">574</span> metaData.add(i, content);<a name="line.574"></a> |
| <span class="sourceLineNo">575</span> }<a name="line.575"></a> |
| <span class="sourceLineNo">576</span><a name="line.576"></a> |
| <span class="sourceLineNo">577</span> @Override<a name="line.577"></a> |
| <span class="sourceLineNo">578</span> public void close() throws IOException {<a name="line.578"></a> |
| <span class="sourceLineNo">579</span> if (outputStream == null) {<a name="line.579"></a> |
| <span class="sourceLineNo">580</span> return;<a name="line.580"></a> |
| <span class="sourceLineNo">581</span> }<a name="line.581"></a> |
| <span class="sourceLineNo">582</span> // Save data block encoder metadata in the file info.<a name="line.582"></a> |
| <span class="sourceLineNo">583</span> blockEncoder.saveMetadata(this);<a name="line.583"></a> |
| <span class="sourceLineNo">584</span> // Write out the end of the data blocks, then write meta data blocks.<a name="line.584"></a> |
| <span class="sourceLineNo">585</span> // followed by fileinfo, data block index and meta block index.<a name="line.585"></a> |
| <span class="sourceLineNo">586</span><a name="line.586"></a> |
| <span class="sourceLineNo">587</span> finishBlock();<a name="line.587"></a> |
| <span class="sourceLineNo">588</span> writeInlineBlocks(true);<a name="line.588"></a> |
| <span class="sourceLineNo">589</span><a name="line.589"></a> |
| <span class="sourceLineNo">590</span> FixedFileTrailer trailer = new FixedFileTrailer(getMajorVersion(), getMinorVersion());<a name="line.590"></a> |
| <span class="sourceLineNo">591</span><a name="line.591"></a> |
| <span class="sourceLineNo">592</span> // Write out the metadata blocks if any.<a name="line.592"></a> |
| <span class="sourceLineNo">593</span> if (!metaNames.isEmpty()) {<a name="line.593"></a> |
| <span class="sourceLineNo">594</span> for (int i = 0; i < metaNames.size(); ++i) {<a name="line.594"></a> |
| <span class="sourceLineNo">595</span> // store the beginning offset<a name="line.595"></a> |
| <span class="sourceLineNo">596</span> long offset = outputStream.getPos();<a name="line.596"></a> |
| <span class="sourceLineNo">597</span> // write the metadata content<a name="line.597"></a> |
| <span class="sourceLineNo">598</span> DataOutputStream dos = blockWriter.startWriting(BlockType.META);<a name="line.598"></a> |
| <span class="sourceLineNo">599</span> metaData.get(i).write(dos);<a name="line.599"></a> |
| <span class="sourceLineNo">600</span><a name="line.600"></a> |
| <span class="sourceLineNo">601</span> blockWriter.writeHeaderAndData(outputStream);<a name="line.601"></a> |
| <span class="sourceLineNo">602</span> totalUncompressedBytes += blockWriter.getUncompressedSizeWithHeader();<a name="line.602"></a> |
| <span class="sourceLineNo">603</span><a name="line.603"></a> |
| <span class="sourceLineNo">604</span> // Add the new meta block to the meta index.<a name="line.604"></a> |
| <span class="sourceLineNo">605</span> metaBlockIndexWriter.addEntry(metaNames.get(i), offset,<a name="line.605"></a> |
| <span class="sourceLineNo">606</span> blockWriter.getOnDiskSizeWithHeader());<a name="line.606"></a> |
| <span class="sourceLineNo">607</span> }<a name="line.607"></a> |
| <span class="sourceLineNo">608</span> }<a name="line.608"></a> |
| <span class="sourceLineNo">609</span><a name="line.609"></a> |
| <span class="sourceLineNo">610</span> // Load-on-open section.<a name="line.610"></a> |
| <span class="sourceLineNo">611</span><a name="line.611"></a> |
| <span class="sourceLineNo">612</span> // Data block index.<a name="line.612"></a> |
| <span class="sourceLineNo">613</span> //<a name="line.613"></a> |
| <span class="sourceLineNo">614</span> // In version 2, this section of the file starts with the root level data<a name="line.614"></a> |
| <span class="sourceLineNo">615</span> // block index. We call a function that writes intermediate-level blocks<a name="line.615"></a> |
| <span class="sourceLineNo">616</span> // first, then root level, and returns the offset of the root level block<a name="line.616"></a> |
| <span class="sourceLineNo">617</span> // index.<a name="line.617"></a> |
| <span class="sourceLineNo">618</span><a name="line.618"></a> |
| <span class="sourceLineNo">619</span> long rootIndexOffset = dataBlockIndexWriter.writeIndexBlocks(outputStream);<a name="line.619"></a> |
| <span class="sourceLineNo">620</span> trailer.setLoadOnOpenOffset(rootIndexOffset);<a name="line.620"></a> |
| <span class="sourceLineNo">621</span><a name="line.621"></a> |
| <span class="sourceLineNo">622</span> // Meta block index.<a name="line.622"></a> |
| <span class="sourceLineNo">623</span> metaBlockIndexWriter.writeSingleLevelIndex(blockWriter.startWriting(BlockType.ROOT_INDEX),<a name="line.623"></a> |
| <span class="sourceLineNo">624</span> "meta");<a name="line.624"></a> |
| <span class="sourceLineNo">625</span> blockWriter.writeHeaderAndData(outputStream);<a name="line.625"></a> |
| <span class="sourceLineNo">626</span> totalUncompressedBytes += blockWriter.getUncompressedSizeWithHeader();<a name="line.626"></a> |
| <span class="sourceLineNo">627</span><a name="line.627"></a> |
| <span class="sourceLineNo">628</span> if (this.hFileContext.isIncludesMvcc()) {<a name="line.628"></a> |
| <span class="sourceLineNo">629</span> appendFileInfo(MAX_MEMSTORE_TS_KEY, Bytes.toBytes(maxMemstoreTS));<a name="line.629"></a> |
| <span class="sourceLineNo">630</span> appendFileInfo(KEY_VALUE_VERSION, Bytes.toBytes(KEY_VALUE_VER_WITH_MEMSTORE));<a name="line.630"></a> |
| <span class="sourceLineNo">631</span> }<a name="line.631"></a> |
| <span class="sourceLineNo">632</span><a name="line.632"></a> |
| <span class="sourceLineNo">633</span> // File info<a name="line.633"></a> |
| <span class="sourceLineNo">634</span> writeFileInfo(trailer, blockWriter.startWriting(BlockType.FILE_INFO));<a name="line.634"></a> |
| <span class="sourceLineNo">635</span> blockWriter.writeHeaderAndData(outputStream);<a name="line.635"></a> |
| <span class="sourceLineNo">636</span> totalUncompressedBytes += blockWriter.getUncompressedSizeWithHeader();<a name="line.636"></a> |
| <span class="sourceLineNo">637</span><a name="line.637"></a> |
| <span class="sourceLineNo">638</span> // Load-on-open data supplied by higher levels, e.g. Bloom filters.<a name="line.638"></a> |
| <span class="sourceLineNo">639</span> for (BlockWritable w : additionalLoadOnOpenData) {<a name="line.639"></a> |
| <span class="sourceLineNo">640</span> blockWriter.writeBlock(w, outputStream);<a name="line.640"></a> |
| <span class="sourceLineNo">641</span> totalUncompressedBytes += blockWriter.getUncompressedSizeWithHeader();<a name="line.641"></a> |
| <span class="sourceLineNo">642</span> }<a name="line.642"></a> |
| <span class="sourceLineNo">643</span><a name="line.643"></a> |
| <span class="sourceLineNo">644</span> // Now finish off the trailer.<a name="line.644"></a> |
| <span class="sourceLineNo">645</span> trailer.setNumDataIndexLevels(dataBlockIndexWriter.getNumLevels());<a name="line.645"></a> |
| <span class="sourceLineNo">646</span> trailer.setUncompressedDataIndexSize(dataBlockIndexWriter.getTotalUncompressedSize());<a name="line.646"></a> |
| <span class="sourceLineNo">647</span> trailer.setFirstDataBlockOffset(firstDataBlockOffset);<a name="line.647"></a> |
| <span class="sourceLineNo">648</span> trailer.setLastDataBlockOffset(lastDataBlockOffset);<a name="line.648"></a> |
| <span class="sourceLineNo">649</span> trailer.setComparatorClass(this.hFileContext.getCellComparator().getClass());<a name="line.649"></a> |
| <span class="sourceLineNo">650</span> trailer.setDataIndexCount(dataBlockIndexWriter.getNumRootEntries());<a name="line.650"></a> |
| <span class="sourceLineNo">651</span><a name="line.651"></a> |
| <span class="sourceLineNo">652</span> finishClose(trailer);<a name="line.652"></a> |
| <span class="sourceLineNo">653</span><a name="line.653"></a> |
| <span class="sourceLineNo">654</span> blockWriter.release();<a name="line.654"></a> |
| <span class="sourceLineNo">655</span> }<a name="line.655"></a> |
| <span class="sourceLineNo">656</span><a name="line.656"></a> |
| <span class="sourceLineNo">657</span> @Override<a name="line.657"></a> |
| <span class="sourceLineNo">658</span> public void addInlineBlockWriter(InlineBlockWriter ibw) {<a name="line.658"></a> |
| <span class="sourceLineNo">659</span> inlineBlockWriters.add(ibw);<a name="line.659"></a> |
| <span class="sourceLineNo">660</span> }<a name="line.660"></a> |
| <span class="sourceLineNo">661</span><a name="line.661"></a> |
| <span class="sourceLineNo">662</span> @Override<a name="line.662"></a> |
| <span class="sourceLineNo">663</span> public void addGeneralBloomFilter(final BloomFilterWriter bfw) {<a name="line.663"></a> |
| <span class="sourceLineNo">664</span> this.addBloomFilter(bfw, BlockType.GENERAL_BLOOM_META);<a name="line.664"></a> |
| <span class="sourceLineNo">665</span> }<a name="line.665"></a> |
| <span class="sourceLineNo">666</span><a name="line.666"></a> |
| <span class="sourceLineNo">667</span> @Override<a name="line.667"></a> |
| <span class="sourceLineNo">668</span> public void addDeleteFamilyBloomFilter(final BloomFilterWriter bfw) {<a name="line.668"></a> |
| <span class="sourceLineNo">669</span> this.addBloomFilter(bfw, BlockType.DELETE_FAMILY_BLOOM_META);<a name="line.669"></a> |
| <span class="sourceLineNo">670</span> }<a name="line.670"></a> |
| <span class="sourceLineNo">671</span><a name="line.671"></a> |
| <span class="sourceLineNo">672</span> private void addBloomFilter(final BloomFilterWriter bfw, final BlockType blockType) {<a name="line.672"></a> |
| <span class="sourceLineNo">673</span> if (bfw.getKeyCount() <= 0) {<a name="line.673"></a> |
| <span class="sourceLineNo">674</span> return;<a name="line.674"></a> |
| <span class="sourceLineNo">675</span> }<a name="line.675"></a> |
| <span class="sourceLineNo">676</span><a name="line.676"></a> |
| <span class="sourceLineNo">677</span> if (<a name="line.677"></a> |
| <span class="sourceLineNo">678</span> blockType != BlockType.GENERAL_BLOOM_META && blockType != BlockType.DELETE_FAMILY_BLOOM_META<a name="line.678"></a> |
| <span class="sourceLineNo">679</span> ) {<a name="line.679"></a> |
| <span class="sourceLineNo">680</span> throw new RuntimeException("Block Type: " + blockType.toString() + "is not supported");<a name="line.680"></a> |
| <span class="sourceLineNo">681</span> }<a name="line.681"></a> |
| <span class="sourceLineNo">682</span> additionalLoadOnOpenData.add(new BlockWritable() {<a name="line.682"></a> |
| <span class="sourceLineNo">683</span> @Override<a name="line.683"></a> |
| <span class="sourceLineNo">684</span> public BlockType getBlockType() {<a name="line.684"></a> |
| <span class="sourceLineNo">685</span> return blockType;<a name="line.685"></a> |
| <span class="sourceLineNo">686</span> }<a name="line.686"></a> |
| <span class="sourceLineNo">687</span><a name="line.687"></a> |
| <span class="sourceLineNo">688</span> @Override<a name="line.688"></a> |
| <span class="sourceLineNo">689</span> public void writeToBlock(DataOutput out) throws IOException {<a name="line.689"></a> |
| <span class="sourceLineNo">690</span> bfw.getMetaWriter().write(out);<a name="line.690"></a> |
| <span class="sourceLineNo">691</span> Writable dataWriter = bfw.getDataWriter();<a name="line.691"></a> |
| <span class="sourceLineNo">692</span> if (dataWriter != null) {<a name="line.692"></a> |
| <span class="sourceLineNo">693</span> dataWriter.write(out);<a name="line.693"></a> |
| <span class="sourceLineNo">694</span> }<a name="line.694"></a> |
| <span class="sourceLineNo">695</span> }<a name="line.695"></a> |
| <span class="sourceLineNo">696</span> });<a name="line.696"></a> |
| <span class="sourceLineNo">697</span> }<a name="line.697"></a> |
| <span class="sourceLineNo">698</span><a name="line.698"></a> |
| <span class="sourceLineNo">699</span> @Override<a name="line.699"></a> |
| <span class="sourceLineNo">700</span> public HFileContext getFileContext() {<a name="line.700"></a> |
| <span class="sourceLineNo">701</span> return hFileContext;<a name="line.701"></a> |
| <span class="sourceLineNo">702</span> }<a name="line.702"></a> |
| <span class="sourceLineNo">703</span><a name="line.703"></a> |
| <span class="sourceLineNo">704</span> /**<a name="line.704"></a> |
| <span class="sourceLineNo">705</span> * Add key/value to file. Keys must be added in an order that agrees with the Comparator passed on<a name="line.705"></a> |
| <span class="sourceLineNo">706</span> * construction. n * Cell to add. Cannot be empty nor null.<a name="line.706"></a> |
| <span class="sourceLineNo">707</span> */<a name="line.707"></a> |
| <span class="sourceLineNo">708</span> @Override<a name="line.708"></a> |
| <span class="sourceLineNo">709</span> public void append(final Cell cell) throws IOException {<a name="line.709"></a> |
| <span class="sourceLineNo">710</span> // checkKey uses comparator to check we are writing in order.<a name="line.710"></a> |
| <span class="sourceLineNo">711</span> boolean dupKey = checkKey(cell);<a name="line.711"></a> |
| <span class="sourceLineNo">712</span> if (!dupKey) {<a name="line.712"></a> |
| <span class="sourceLineNo">713</span> checkBlockBoundary();<a name="line.713"></a> |
| <span class="sourceLineNo">714</span> }<a name="line.714"></a> |
| <span class="sourceLineNo">715</span><a name="line.715"></a> |
| <span class="sourceLineNo">716</span> if (!blockWriter.isWriting()) {<a name="line.716"></a> |
| <span class="sourceLineNo">717</span> newBlock();<a name="line.717"></a> |
| <span class="sourceLineNo">718</span> }<a name="line.718"></a> |
| <span class="sourceLineNo">719</span><a name="line.719"></a> |
| <span class="sourceLineNo">720</span> blockWriter.write(cell);<a name="line.720"></a> |
| <span class="sourceLineNo">721</span><a name="line.721"></a> |
| <span class="sourceLineNo">722</span> totalKeyLength += PrivateCellUtil.estimatedSerializedSizeOfKey(cell);<a name="line.722"></a> |
| <span class="sourceLineNo">723</span> totalValueLength += cell.getValueLength();<a name="line.723"></a> |
| <span class="sourceLineNo">724</span><a name="line.724"></a> |
| <span class="sourceLineNo">725</span> // Are we the first key in this block?<a name="line.725"></a> |
| <span class="sourceLineNo">726</span> if (firstCellInBlock == null) {<a name="line.726"></a> |
| <span class="sourceLineNo">727</span> // If cell is big, block will be closed and this firstCellInBlock reference will only last<a name="line.727"></a> |
| <span class="sourceLineNo">728</span> // a short while.<a name="line.728"></a> |
| <span class="sourceLineNo">729</span> firstCellInBlock = cell;<a name="line.729"></a> |
| <span class="sourceLineNo">730</span> }<a name="line.730"></a> |
| <span class="sourceLineNo">731</span><a name="line.731"></a> |
| <span class="sourceLineNo">732</span> // TODO: What if cell is 10MB and we write infrequently? We hold on to cell here indefinitely?<a name="line.732"></a> |
| <span class="sourceLineNo">733</span> lastCell = cell;<a name="line.733"></a> |
| <span class="sourceLineNo">734</span> entryCount++;<a name="line.734"></a> |
| <span class="sourceLineNo">735</span> this.maxMemstoreTS = Math.max(this.maxMemstoreTS, cell.getSequenceId());<a name="line.735"></a> |
| <span class="sourceLineNo">736</span> int tagsLength = cell.getTagsLength();<a name="line.736"></a> |
| <span class="sourceLineNo">737</span> if (tagsLength > this.maxTagsLength) {<a name="line.737"></a> |
| <span class="sourceLineNo">738</span> this.maxTagsLength = tagsLength;<a name="line.738"></a> |
| <span class="sourceLineNo">739</span> }<a name="line.739"></a> |
| <span class="sourceLineNo">740</span> }<a name="line.740"></a> |
| <span class="sourceLineNo">741</span><a name="line.741"></a> |
| <span class="sourceLineNo">742</span> @Override<a name="line.742"></a> |
| <span class="sourceLineNo">743</span> public void beforeShipped() throws IOException {<a name="line.743"></a> |
| <span class="sourceLineNo">744</span> this.blockWriter.beforeShipped();<a name="line.744"></a> |
| <span class="sourceLineNo">745</span> // Add clone methods for every cell<a name="line.745"></a> |
| <span class="sourceLineNo">746</span> if (this.lastCell != null) {<a name="line.746"></a> |
| <span class="sourceLineNo">747</span> this.lastCell = KeyValueUtil.toNewKeyCell(this.lastCell);<a name="line.747"></a> |
| <span class="sourceLineNo">748</span> }<a name="line.748"></a> |
| <span class="sourceLineNo">749</span> if (this.firstCellInBlock != null) {<a name="line.749"></a> |
| <span class="sourceLineNo">750</span> this.firstCellInBlock = KeyValueUtil.toNewKeyCell(this.firstCellInBlock);<a name="line.750"></a> |
| <span class="sourceLineNo">751</span> }<a name="line.751"></a> |
| <span class="sourceLineNo">752</span> if (this.lastCellOfPreviousBlock != null) {<a name="line.752"></a> |
| <span class="sourceLineNo">753</span> this.lastCellOfPreviousBlock = KeyValueUtil.toNewKeyCell(this.lastCellOfPreviousBlock);<a name="line.753"></a> |
| <span class="sourceLineNo">754</span> }<a name="line.754"></a> |
| <span class="sourceLineNo">755</span> }<a name="line.755"></a> |
| <span class="sourceLineNo">756</span><a name="line.756"></a> |
| <span class="sourceLineNo">757</span> public Cell getLastCell() {<a name="line.757"></a> |
| <span class="sourceLineNo">758</span> return lastCell;<a name="line.758"></a> |
| <span class="sourceLineNo">759</span> }<a name="line.759"></a> |
| <span class="sourceLineNo">760</span><a name="line.760"></a> |
| <span class="sourceLineNo">761</span> protected void finishFileInfo() throws IOException {<a name="line.761"></a> |
| <span class="sourceLineNo">762</span> if (lastCell != null) {<a name="line.762"></a> |
| <span class="sourceLineNo">763</span> // Make a copy. The copy is stuffed into our fileinfo map. Needs a clean<a name="line.763"></a> |
| <span class="sourceLineNo">764</span> // byte buffer. Won't take a tuple.<a name="line.764"></a> |
| <span class="sourceLineNo">765</span> byte[] lastKey = PrivateCellUtil.getCellKeySerializedAsKeyValueKey(this.lastCell);<a name="line.765"></a> |
| <span class="sourceLineNo">766</span> fileInfo.append(HFileInfo.LASTKEY, lastKey, false);<a name="line.766"></a> |
| <span class="sourceLineNo">767</span> }<a name="line.767"></a> |
| <span class="sourceLineNo">768</span><a name="line.768"></a> |
| <span class="sourceLineNo">769</span> // Average key length.<a name="line.769"></a> |
| <span class="sourceLineNo">770</span> int avgKeyLen = entryCount == 0 ? 0 : (int) (totalKeyLength / entryCount);<a name="line.770"></a> |
| <span class="sourceLineNo">771</span> fileInfo.append(HFileInfo.AVG_KEY_LEN, Bytes.toBytes(avgKeyLen), false);<a name="line.771"></a> |
| <span class="sourceLineNo">772</span> fileInfo.append(HFileInfo.CREATE_TIME_TS, Bytes.toBytes(hFileContext.getFileCreateTime()),<a name="line.772"></a> |
| <span class="sourceLineNo">773</span> false);<a name="line.773"></a> |
| <span class="sourceLineNo">774</span><a name="line.774"></a> |
| <span class="sourceLineNo">775</span> // Average value length.<a name="line.775"></a> |
| <span class="sourceLineNo">776</span> int avgValueLen = entryCount == 0 ? 0 : (int) (totalValueLength / entryCount);<a name="line.776"></a> |
| <span class="sourceLineNo">777</span> fileInfo.append(HFileInfo.AVG_VALUE_LEN, Bytes.toBytes(avgValueLen), false);<a name="line.777"></a> |
| <span class="sourceLineNo">778</span> if (hFileContext.isIncludesTags()) {<a name="line.778"></a> |
| <span class="sourceLineNo">779</span> // When tags are not being written in this file, MAX_TAGS_LEN is excluded<a name="line.779"></a> |
| <span class="sourceLineNo">780</span> // from the FileInfo<a name="line.780"></a> |
| <span class="sourceLineNo">781</span> fileInfo.append(HFileInfo.MAX_TAGS_LEN, Bytes.toBytes(this.maxTagsLength), false);<a name="line.781"></a> |
| <span class="sourceLineNo">782</span> boolean tagsCompressed = (hFileContext.getDataBlockEncoding() != DataBlockEncoding.NONE)<a name="line.782"></a> |
| <span class="sourceLineNo">783</span> && hFileContext.isCompressTags();<a name="line.783"></a> |
| <span class="sourceLineNo">784</span> fileInfo.append(HFileInfo.TAGS_COMPRESSED, Bytes.toBytes(tagsCompressed), false);<a name="line.784"></a> |
| <span class="sourceLineNo">785</span> }<a name="line.785"></a> |
| <span class="sourceLineNo">786</span> }<a name="line.786"></a> |
| <span class="sourceLineNo">787</span><a name="line.787"></a> |
| <span class="sourceLineNo">788</span> protected int getMajorVersion() {<a name="line.788"></a> |
| <span class="sourceLineNo">789</span> return 3;<a name="line.789"></a> |
| <span class="sourceLineNo">790</span> }<a name="line.790"></a> |
| <span class="sourceLineNo">791</span><a name="line.791"></a> |
| <span class="sourceLineNo">792</span> protected int getMinorVersion() {<a name="line.792"></a> |
| <span class="sourceLineNo">793</span> return HFileReaderImpl.MAX_MINOR_VERSION;<a name="line.793"></a> |
| <span class="sourceLineNo">794</span> }<a name="line.794"></a> |
| <span class="sourceLineNo">795</span><a name="line.795"></a> |
| <span class="sourceLineNo">796</span> protected void finishClose(FixedFileTrailer trailer) throws IOException {<a name="line.796"></a> |
| <span class="sourceLineNo">797</span> // Write out encryption metadata before finalizing if we have a valid crypto context<a name="line.797"></a> |
| <span class="sourceLineNo">798</span> Encryption.Context cryptoContext = hFileContext.getEncryptionContext();<a name="line.798"></a> |
| <span class="sourceLineNo">799</span> if (cryptoContext != Encryption.Context.NONE) {<a name="line.799"></a> |
| <span class="sourceLineNo">800</span> // Wrap the context's key and write it as the encryption metadata, the wrapper includes<a name="line.800"></a> |
| <span class="sourceLineNo">801</span> // all information needed for decryption<a name="line.801"></a> |
| <span class="sourceLineNo">802</span> trailer.setEncryptionKey(EncryptionUtil.wrapKey(<a name="line.802"></a> |
| <span class="sourceLineNo">803</span> cryptoContext.getConf(), cryptoContext.getConf()<a name="line.803"></a> |
| <span class="sourceLineNo">804</span> .get(HConstants.CRYPTO_MASTERKEY_NAME_CONF_KEY, User.getCurrent().getShortName()),<a name="line.804"></a> |
| <span class="sourceLineNo">805</span> cryptoContext.getKey()));<a name="line.805"></a> |
| <span class="sourceLineNo">806</span> }<a name="line.806"></a> |
| <span class="sourceLineNo">807</span> // Now we can finish the close<a name="line.807"></a> |
| <span class="sourceLineNo">808</span> trailer.setMetaIndexCount(metaNames.size());<a name="line.808"></a> |
| <span class="sourceLineNo">809</span> trailer.setTotalUncompressedBytes(totalUncompressedBytes + trailer.getTrailerSize());<a name="line.809"></a> |
| <span class="sourceLineNo">810</span> trailer.setEntryCount(entryCount);<a name="line.810"></a> |
| <span class="sourceLineNo">811</span> trailer.setCompressionCodec(hFileContext.getCompression());<a name="line.811"></a> |
| <span class="sourceLineNo">812</span><a name="line.812"></a> |
| <span class="sourceLineNo">813</span> long startTime = EnvironmentEdgeManager.currentTime();<a name="line.813"></a> |
| <span class="sourceLineNo">814</span> trailer.serialize(outputStream);<a name="line.814"></a> |
| <span class="sourceLineNo">815</span> HFile.updateWriteLatency(EnvironmentEdgeManager.currentTime() - startTime);<a name="line.815"></a> |
| <span class="sourceLineNo">816</span><a name="line.816"></a> |
| <span class="sourceLineNo">817</span> if (closeOutputStream) {<a name="line.817"></a> |
| <span class="sourceLineNo">818</span> outputStream.close();<a name="line.818"></a> |
| <span class="sourceLineNo">819</span> outputStream = null;<a name="line.819"></a> |
| <span class="sourceLineNo">820</span> }<a name="line.820"></a> |
| <span class="sourceLineNo">821</span> }<a name="line.821"></a> |
| <span class="sourceLineNo">822</span>}<a name="line.822"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
