| <!DOCTYPE HTML> |
| <html lang="en"> |
| <head> |
| <!-- Generated by javadoc (17) --> |
| <title>Source code</title> |
| <meta name="viewport" content="width=device-width, initial-scale=1"> |
| <meta name="description" content="source: package: org.apache.hadoop.hbase.backup, class: HFileArchiver, class: FileStatusConverter"> |
| <meta name="generator" content="javadoc/SourceToHTMLConverter"> |
| <link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style"> |
| </head> |
| <body class="source-page"> |
| <main role="main"> |
| <div class="source-container"> |
| <pre><span class="source-line-no">001</span><span id="line-1">/*</span> |
| <span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span> |
| <span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span> |
| <span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span> |
| <span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span> |
| <span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span> |
| <span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span> |
| <span class="source-line-no">009</span><span id="line-9"> *</span> |
| <span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="source-line-no">011</span><span id="line-11"> *</span> |
| <span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span> |
| <span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span> |
| <span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span> |
| <span class="source-line-no">017</span><span id="line-17"> */</span> |
| <span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.backup;</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 java.io.FileNotFoundException;</span> |
| <span class="source-line-no">021</span><span id="line-21">import java.io.IOException;</span> |
| <span class="source-line-no">022</span><span id="line-22">import java.io.InterruptedIOException;</span> |
| <span class="source-line-no">023</span><span id="line-23">import java.util.ArrayList;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.util.Collection;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.util.Collections;</span> |
| <span class="source-line-no">026</span><span id="line-26">import java.util.List;</span> |
| <span class="source-line-no">027</span><span id="line-27">import java.util.concurrent.ExecutionException;</span> |
| <span class="source-line-no">028</span><span id="line-28">import java.util.concurrent.Future;</span> |
| <span class="source-line-no">029</span><span id="line-29">import java.util.concurrent.ThreadFactory;</span> |
| <span class="source-line-no">030</span><span id="line-30">import java.util.concurrent.ThreadPoolExecutor;</span> |
| <span class="source-line-no">031</span><span id="line-31">import java.util.concurrent.TimeUnit;</span> |
| <span class="source-line-no">032</span><span id="line-32">import java.util.concurrent.atomic.AtomicInteger;</span> |
| <span class="source-line-no">033</span><span id="line-33">import java.util.function.Function;</span> |
| <span class="source-line-no">034</span><span id="line-34">import java.util.stream.Collectors;</span> |
| <span class="source-line-no">035</span><span id="line-35">import java.util.stream.Stream;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.fs.FileStatus;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.fs.FileSystem;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.fs.Path;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.fs.PathFilter;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.HConstants;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.hbase.client.RegionInfo;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.hbase.regionserver.HStoreFile;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.hadoop.hbase.util.CommonFSUtils;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.apache.hadoop.hbase.util.FSUtils;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.apache.hadoop.hbase.util.HFileArchiveUtil;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.apache.hadoop.hbase.util.Threads;</span> |
| <span class="source-line-no">050</span><span id="line-50">import org.apache.hadoop.io.MultipleIOException;</span> |
| <span class="source-line-no">051</span><span id="line-51">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">052</span><span id="line-52">import org.slf4j.Logger;</span> |
| <span class="source-line-no">053</span><span id="line-53">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">054</span><span id="line-54"></span> |
| <span class="source-line-no">055</span><span id="line-55">import org.apache.hbase.thirdparty.com.google.common.base.Preconditions;</span> |
| <span class="source-line-no">056</span><span id="line-56"></span> |
| <span class="source-line-no">057</span><span id="line-57">/**</span> |
| <span class="source-line-no">058</span><span id="line-58"> * Utility class to handle the removal of HFiles (or the respective {@link HStoreFile StoreFiles})</span> |
| <span class="source-line-no">059</span><span id="line-59"> * for a HRegion from the {@link FileSystem}. The hfiles will be archived or deleted, depending on</span> |
| <span class="source-line-no">060</span><span id="line-60"> * the state of the system.</span> |
| <span class="source-line-no">061</span><span id="line-61"> */</span> |
| <span class="source-line-no">062</span><span id="line-62">@InterfaceAudience.Private</span> |
| <span class="source-line-no">063</span><span id="line-63">public class HFileArchiver {</span> |
| <span class="source-line-no">064</span><span id="line-64"> private static final Logger LOG = LoggerFactory.getLogger(HFileArchiver.class);</span> |
| <span class="source-line-no">065</span><span id="line-65"> private static final String SEPARATOR = ".";</span> |
| <span class="source-line-no">066</span><span id="line-66"></span> |
| <span class="source-line-no">067</span><span id="line-67"> /** Number of retries in case of fs operation failure */</span> |
| <span class="source-line-no">068</span><span id="line-68"> private static final int DEFAULT_RETRIES_NUMBER = 3;</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 Function<File, Path> FUNC_FILE_TO_PATH = new Function<File, Path>() {</span> |
| <span class="source-line-no">071</span><span id="line-71"> @Override</span> |
| <span class="source-line-no">072</span><span id="line-72"> public Path apply(File file) {</span> |
| <span class="source-line-no">073</span><span id="line-73"> return file == null ? null : file.getPath();</span> |
| <span class="source-line-no">074</span><span id="line-74"> }</span> |
| <span class="source-line-no">075</span><span id="line-75"> };</span> |
| <span class="source-line-no">076</span><span id="line-76"></span> |
| <span class="source-line-no">077</span><span id="line-77"> private static ThreadPoolExecutor archiveExecutor;</span> |
| <span class="source-line-no">078</span><span id="line-78"></span> |
| <span class="source-line-no">079</span><span id="line-79"> private HFileArchiver() {</span> |
| <span class="source-line-no">080</span><span id="line-80"> // hidden ctor since this is just a util</span> |
| <span class="source-line-no">081</span><span id="line-81"> }</span> |
| <span class="source-line-no">082</span><span id="line-82"></span> |
| <span class="source-line-no">083</span><span id="line-83"> /** Returns True if the Region exits in the filesystem. */</span> |
| <span class="source-line-no">084</span><span id="line-84"> public static boolean exists(Configuration conf, FileSystem fs, RegionInfo info)</span> |
| <span class="source-line-no">085</span><span id="line-85"> throws IOException {</span> |
| <span class="source-line-no">086</span><span id="line-86"> Path rootDir = CommonFSUtils.getRootDir(conf);</span> |
| <span class="source-line-no">087</span><span id="line-87"> Path regionDir = FSUtils.getRegionDirFromRootDir(rootDir, info);</span> |
| <span class="source-line-no">088</span><span id="line-88"> return fs.exists(regionDir);</span> |
| <span class="source-line-no">089</span><span id="line-89"> }</span> |
| <span class="source-line-no">090</span><span id="line-90"></span> |
| <span class="source-line-no">091</span><span id="line-91"> /**</span> |
| <span class="source-line-no">092</span><span id="line-92"> * Cleans up all the files for a HRegion by archiving the HFiles to the archive directory</span> |
| <span class="source-line-no">093</span><span id="line-93"> * @param conf the configuration to use</span> |
| <span class="source-line-no">094</span><span id="line-94"> * @param fs the file system object</span> |
| <span class="source-line-no">095</span><span id="line-95"> * @param info RegionInfo for region to be deleted</span> |
| <span class="source-line-no">096</span><span id="line-96"> */</span> |
| <span class="source-line-no">097</span><span id="line-97"> public static void archiveRegion(Configuration conf, FileSystem fs, RegionInfo info)</span> |
| <span class="source-line-no">098</span><span id="line-98"> throws IOException {</span> |
| <span class="source-line-no">099</span><span id="line-99"> Path rootDir = CommonFSUtils.getRootDir(conf);</span> |
| <span class="source-line-no">100</span><span id="line-100"> archiveRegion(fs, rootDir, CommonFSUtils.getTableDir(rootDir, info.getTable()),</span> |
| <span class="source-line-no">101</span><span id="line-101"> FSUtils.getRegionDirFromRootDir(rootDir, info));</span> |
| <span class="source-line-no">102</span><span id="line-102"> }</span> |
| <span class="source-line-no">103</span><span id="line-103"></span> |
| <span class="source-line-no">104</span><span id="line-104"> /**</span> |
| <span class="source-line-no">105</span><span id="line-105"> * Remove an entire region from the table directory via archiving the region's hfiles.</span> |
| <span class="source-line-no">106</span><span id="line-106"> * @param fs {@link FileSystem} from which to remove the region</span> |
| <span class="source-line-no">107</span><span id="line-107"> * @param rootdir {@link Path} to the root directory where hbase files are stored (for building</span> |
| <span class="source-line-no">108</span><span id="line-108"> * the archive path)</span> |
| <span class="source-line-no">109</span><span id="line-109"> * @param tableDir {@link Path} to where the table is being stored (for building the archive</span> |
| <span class="source-line-no">110</span><span id="line-110"> * path)</span> |
| <span class="source-line-no">111</span><span id="line-111"> * @param regionDir {@link Path} to where a region is being stored (for building the archive path)</span> |
| <span class="source-line-no">112</span><span id="line-112"> * @return <tt>true</tt> if the region was successfully deleted. <tt>false</tt> if the filesystem</span> |
| <span class="source-line-no">113</span><span id="line-113"> * operations could not complete.</span> |
| <span class="source-line-no">114</span><span id="line-114"> * @throws IOException if the request cannot be completed</span> |
| <span class="source-line-no">115</span><span id="line-115"> */</span> |
| <span class="source-line-no">116</span><span id="line-116"> public static boolean archiveRegion(FileSystem fs, Path rootdir, Path tableDir, Path regionDir)</span> |
| <span class="source-line-no">117</span><span id="line-117"> throws IOException {</span> |
| <span class="source-line-no">118</span><span id="line-118"> // otherwise, we archive the files</span> |
| <span class="source-line-no">119</span><span id="line-119"> // make sure we can archive</span> |
| <span class="source-line-no">120</span><span id="line-120"> if (tableDir == null || regionDir == null) {</span> |
| <span class="source-line-no">121</span><span id="line-121"> LOG.error("No archive directory could be found because tabledir (" + tableDir</span> |
| <span class="source-line-no">122</span><span id="line-122"> + ") or regiondir (" + regionDir + "was null. Deleting files instead.");</span> |
| <span class="source-line-no">123</span><span id="line-123"> if (regionDir != null) {</span> |
| <span class="source-line-no">124</span><span id="line-124"> deleteRegionWithoutArchiving(fs, regionDir);</span> |
| <span class="source-line-no">125</span><span id="line-125"> }</span> |
| <span class="source-line-no">126</span><span id="line-126"> // we should have archived, but failed to. Doesn't matter if we deleted</span> |
| <span class="source-line-no">127</span><span id="line-127"> // the archived files correctly or not.</span> |
| <span class="source-line-no">128</span><span id="line-128"> return false;</span> |
| <span class="source-line-no">129</span><span id="line-129"> }</span> |
| <span class="source-line-no">130</span><span id="line-130"></span> |
| <span class="source-line-no">131</span><span id="line-131"> LOG.debug("ARCHIVING {}", regionDir);</span> |
| <span class="source-line-no">132</span><span id="line-132"></span> |
| <span class="source-line-no">133</span><span id="line-133"> // make sure the regiondir lives under the tabledir</span> |
| <span class="source-line-no">134</span><span id="line-134"> Preconditions.checkArgument(regionDir.toString().startsWith(tableDir.toString()));</span> |
| <span class="source-line-no">135</span><span id="line-135"> Path regionArchiveDir = HFileArchiveUtil.getRegionArchiveDir(rootdir,</span> |
| <span class="source-line-no">136</span><span id="line-136"> CommonFSUtils.getTableName(tableDir), regionDir.getName());</span> |
| <span class="source-line-no">137</span><span id="line-137"></span> |
| <span class="source-line-no">138</span><span id="line-138"> FileStatusConverter getAsFile = new FileStatusConverter(fs);</span> |
| <span class="source-line-no">139</span><span id="line-139"> // otherwise, we attempt to archive the store files</span> |
| <span class="source-line-no">140</span><span id="line-140"></span> |
| <span class="source-line-no">141</span><span id="line-141"> // build collection of just the store directories to archive</span> |
| <span class="source-line-no">142</span><span id="line-142"> Collection<File> toArchive = new ArrayList<>();</span> |
| <span class="source-line-no">143</span><span id="line-143"> final PathFilter dirFilter = new FSUtils.DirFilter(fs);</span> |
| <span class="source-line-no">144</span><span id="line-144"> PathFilter nonHidden = new PathFilter() {</span> |
| <span class="source-line-no">145</span><span id="line-145"> @Override</span> |
| <span class="source-line-no">146</span><span id="line-146"> public boolean accept(Path file) {</span> |
| <span class="source-line-no">147</span><span id="line-147"> return dirFilter.accept(file) && !file.getName().startsWith(".");</span> |
| <span class="source-line-no">148</span><span id="line-148"> }</span> |
| <span class="source-line-no">149</span><span id="line-149"> };</span> |
| <span class="source-line-no">150</span><span id="line-150"> FileStatus[] storeDirs = CommonFSUtils.listStatus(fs, regionDir, nonHidden);</span> |
| <span class="source-line-no">151</span><span id="line-151"> // if there no files, we can just delete the directory and return;</span> |
| <span class="source-line-no">152</span><span id="line-152"> if (storeDirs == null) {</span> |
| <span class="source-line-no">153</span><span id="line-153"> LOG.debug("Directory {} empty.", regionDir);</span> |
| <span class="source-line-no">154</span><span id="line-154"> return deleteRegionWithoutArchiving(fs, regionDir);</span> |
| <span class="source-line-no">155</span><span id="line-155"> }</span> |
| <span class="source-line-no">156</span><span id="line-156"></span> |
| <span class="source-line-no">157</span><span id="line-157"> // convert the files in the region to a File</span> |
| <span class="source-line-no">158</span><span id="line-158"> Stream.of(storeDirs).map(getAsFile).forEachOrdered(toArchive::add);</span> |
| <span class="source-line-no">159</span><span id="line-159"> LOG.debug("Archiving " + toArchive);</span> |
| <span class="source-line-no">160</span><span id="line-160"> List<File> failedArchive =</span> |
| <span class="source-line-no">161</span><span id="line-161"> resolveAndArchive(fs, regionArchiveDir, toArchive, EnvironmentEdgeManager.currentTime());</span> |
| <span class="source-line-no">162</span><span id="line-162"> if (!failedArchive.isEmpty()) {</span> |
| <span class="source-line-no">163</span><span id="line-163"> throw new FailedArchiveException(</span> |
| <span class="source-line-no">164</span><span id="line-164"> "Failed to archive/delete all the files for region:" + regionDir.getName() + " into "</span> |
| <span class="source-line-no">165</span><span id="line-165"> + regionArchiveDir + ". Something is probably awry on the filesystem.",</span> |
| <span class="source-line-no">166</span><span id="line-166"> failedArchive.stream().map(FUNC_FILE_TO_PATH).collect(Collectors.toList()));</span> |
| <span class="source-line-no">167</span><span id="line-167"> }</span> |
| <span class="source-line-no">168</span><span id="line-168"> // if that was successful, then we delete the region</span> |
| <span class="source-line-no">169</span><span id="line-169"> return deleteRegionWithoutArchiving(fs, regionDir);</span> |
| <span class="source-line-no">170</span><span id="line-170"> }</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"> * Archive the specified regions in parallel.</span> |
| <span class="source-line-no">174</span><span id="line-174"> * @param conf the configuration to use</span> |
| <span class="source-line-no">175</span><span id="line-175"> * @param fs {@link FileSystem} from which to remove the region</span> |
| <span class="source-line-no">176</span><span id="line-176"> * @param rootDir {@link Path} to the root directory where hbase files are stored (for</span> |
| <span class="source-line-no">177</span><span id="line-177"> * building the archive path)</span> |
| <span class="source-line-no">178</span><span id="line-178"> * @param tableDir {@link Path} to where the table is being stored (for building the archive</span> |
| <span class="source-line-no">179</span><span id="line-179"> * path)</span> |
| <span class="source-line-no">180</span><span id="line-180"> * @param regionDirList {@link Path} to where regions are being stored (for building the archive</span> |
| <span class="source-line-no">181</span><span id="line-181"> * path)</span> |
| <span class="source-line-no">182</span><span id="line-182"> * @throws IOException if the request cannot be completed</span> |
| <span class="source-line-no">183</span><span id="line-183"> */</span> |
| <span class="source-line-no">184</span><span id="line-184"> public static void archiveRegions(Configuration conf, FileSystem fs, Path rootDir, Path tableDir,</span> |
| <span class="source-line-no">185</span><span id="line-185"> List<Path> regionDirList) throws IOException {</span> |
| <span class="source-line-no">186</span><span id="line-186"> List<Future<Void>> futures = new ArrayList<>(regionDirList.size());</span> |
| <span class="source-line-no">187</span><span id="line-187"> for (Path regionDir : regionDirList) {</span> |
| <span class="source-line-no">188</span><span id="line-188"> Future<Void> future = getArchiveExecutor(conf).submit(() -> {</span> |
| <span class="source-line-no">189</span><span id="line-189"> archiveRegion(fs, rootDir, tableDir, regionDir);</span> |
| <span class="source-line-no">190</span><span id="line-190"> return null;</span> |
| <span class="source-line-no">191</span><span id="line-191"> });</span> |
| <span class="source-line-no">192</span><span id="line-192"> futures.add(future);</span> |
| <span class="source-line-no">193</span><span id="line-193"> }</span> |
| <span class="source-line-no">194</span><span id="line-194"> try {</span> |
| <span class="source-line-no">195</span><span id="line-195"> for (Future<Void> future : futures) {</span> |
| <span class="source-line-no">196</span><span id="line-196"> future.get();</span> |
| <span class="source-line-no">197</span><span id="line-197"> }</span> |
| <span class="source-line-no">198</span><span id="line-198"> } catch (InterruptedException e) {</span> |
| <span class="source-line-no">199</span><span id="line-199"> throw new InterruptedIOException(e.getMessage());</span> |
| <span class="source-line-no">200</span><span id="line-200"> } catch (ExecutionException e) {</span> |
| <span class="source-line-no">201</span><span id="line-201"> throw new IOException(e.getCause());</span> |
| <span class="source-line-no">202</span><span id="line-202"> }</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"> private static synchronized ThreadPoolExecutor getArchiveExecutor(final Configuration conf) {</span> |
| <span class="source-line-no">206</span><span id="line-206"> if (archiveExecutor == null) {</span> |
| <span class="source-line-no">207</span><span id="line-207"> int maxThreads = conf.getInt("hbase.hfilearchiver.thread.pool.max", 8);</span> |
| <span class="source-line-no">208</span><span id="line-208"> archiveExecutor =</span> |
| <span class="source-line-no">209</span><span id="line-209"> Threads.getBoundedCachedThreadPool(maxThreads, 30L, TimeUnit.SECONDS, getThreadFactory());</span> |
| <span class="source-line-no">210</span><span id="line-210"></span> |
| <span class="source-line-no">211</span><span id="line-211"> // Shutdown this ThreadPool in a shutdown hook</span> |
| <span class="source-line-no">212</span><span id="line-212"> Runtime.getRuntime().addShutdownHook(new Thread(() -> archiveExecutor.shutdown()));</span> |
| <span class="source-line-no">213</span><span id="line-213"> }</span> |
| <span class="source-line-no">214</span><span id="line-214"> return archiveExecutor;</span> |
| <span class="source-line-no">215</span><span id="line-215"> }</span> |
| <span class="source-line-no">216</span><span id="line-216"></span> |
| <span class="source-line-no">217</span><span id="line-217"> // We need this method instead of Threads.getNamedThreadFactory() to pass some tests.</span> |
| <span class="source-line-no">218</span><span id="line-218"> // The difference from Threads.getNamedThreadFactory() is that it doesn't fix ThreadGroup for</span> |
| <span class="source-line-no">219</span><span id="line-219"> // new threads. If we use Threads.getNamedThreadFactory(), we will face ThreadGroup related</span> |
| <span class="source-line-no">220</span><span id="line-220"> // issues in some tests.</span> |
| <span class="source-line-no">221</span><span id="line-221"> private static ThreadFactory getThreadFactory() {</span> |
| <span class="source-line-no">222</span><span id="line-222"> return new ThreadFactory() {</span> |
| <span class="source-line-no">223</span><span id="line-223"> final AtomicInteger threadNumber = new AtomicInteger(1);</span> |
| <span class="source-line-no">224</span><span id="line-224"></span> |
| <span class="source-line-no">225</span><span id="line-225"> @Override</span> |
| <span class="source-line-no">226</span><span id="line-226"> public Thread newThread(Runnable r) {</span> |
| <span class="source-line-no">227</span><span id="line-227"> final String name = "HFileArchiver-" + threadNumber.getAndIncrement();</span> |
| <span class="source-line-no">228</span><span id="line-228"> Thread t = new Thread(r, name);</span> |
| <span class="source-line-no">229</span><span id="line-229"> t.setDaemon(true);</span> |
| <span class="source-line-no">230</span><span id="line-230"> return t;</span> |
| <span class="source-line-no">231</span><span id="line-231"> }</span> |
| <span class="source-line-no">232</span><span id="line-232"> };</span> |
| <span class="source-line-no">233</span><span id="line-233"> }</span> |
| <span class="source-line-no">234</span><span id="line-234"></span> |
| <span class="source-line-no">235</span><span id="line-235"> /**</span> |
| <span class="source-line-no">236</span><span id="line-236"> * Remove from the specified region the store files of the specified column family, either by</span> |
| <span class="source-line-no">237</span><span id="line-237"> * archiving them or outright deletion</span> |
| <span class="source-line-no">238</span><span id="line-238"> * @param fs the filesystem where the store files live</span> |
| <span class="source-line-no">239</span><span id="line-239"> * @param conf {@link Configuration} to examine to determine the archive directory</span> |
| <span class="source-line-no">240</span><span id="line-240"> * @param parent Parent region hosting the store files</span> |
| <span class="source-line-no">241</span><span id="line-241"> * @param tableDir {@link Path} to where the table is being stored (for building the archive path)</span> |
| <span class="source-line-no">242</span><span id="line-242"> * @param family the family hosting the store files</span> |
| <span class="source-line-no">243</span><span id="line-243"> * @throws IOException if the files could not be correctly disposed.</span> |
| <span class="source-line-no">244</span><span id="line-244"> */</span> |
| <span class="source-line-no">245</span><span id="line-245"> public static void archiveFamily(FileSystem fs, Configuration conf, RegionInfo parent,</span> |
| <span class="source-line-no">246</span><span id="line-246"> Path tableDir, byte[] family) throws IOException {</span> |
| <span class="source-line-no">247</span><span id="line-247"> Path familyDir = new Path(tableDir, new Path(parent.getEncodedName(), Bytes.toString(family)));</span> |
| <span class="source-line-no">248</span><span id="line-248"> archiveFamilyByFamilyDir(fs, conf, parent, familyDir, family);</span> |
| <span class="source-line-no">249</span><span id="line-249"> }</span> |
| <span class="source-line-no">250</span><span id="line-250"></span> |
| <span class="source-line-no">251</span><span id="line-251"> /**</span> |
| <span class="source-line-no">252</span><span id="line-252"> * Removes from the specified region the store files of the specified column family, either by</span> |
| <span class="source-line-no">253</span><span id="line-253"> * archiving them or outright deletion</span> |
| <span class="source-line-no">254</span><span id="line-254"> * @param fs the filesystem where the store files live</span> |
| <span class="source-line-no">255</span><span id="line-255"> * @param conf {@link Configuration} to examine to determine the archive directory</span> |
| <span class="source-line-no">256</span><span id="line-256"> * @param parent Parent region hosting the store files</span> |
| <span class="source-line-no">257</span><span id="line-257"> * @param familyDir {@link Path} to where the family is being stored</span> |
| <span class="source-line-no">258</span><span id="line-258"> * @param family the family hosting the store files</span> |
| <span class="source-line-no">259</span><span id="line-259"> * @throws IOException if the files could not be correctly disposed.</span> |
| <span class="source-line-no">260</span><span id="line-260"> */</span> |
| <span class="source-line-no">261</span><span id="line-261"> public static void archiveFamilyByFamilyDir(FileSystem fs, Configuration conf, RegionInfo parent,</span> |
| <span class="source-line-no">262</span><span id="line-262"> Path familyDir, byte[] family) throws IOException {</span> |
| <span class="source-line-no">263</span><span id="line-263"> FileStatus[] storeFiles = CommonFSUtils.listStatus(fs, familyDir);</span> |
| <span class="source-line-no">264</span><span id="line-264"> if (storeFiles == null) {</span> |
| <span class="source-line-no">265</span><span id="line-265"> LOG.debug("No files to dispose of in {}, family={}", parent.getRegionNameAsString(),</span> |
| <span class="source-line-no">266</span><span id="line-266"> Bytes.toString(family));</span> |
| <span class="source-line-no">267</span><span id="line-267"> return;</span> |
| <span class="source-line-no">268</span><span id="line-268"> }</span> |
| <span class="source-line-no">269</span><span id="line-269"></span> |
| <span class="source-line-no">270</span><span id="line-270"> FileStatusConverter getAsFile = new FileStatusConverter(fs);</span> |
| <span class="source-line-no">271</span><span id="line-271"> Collection<File> toArchive = Stream.of(storeFiles).map(getAsFile).collect(Collectors.toList());</span> |
| <span class="source-line-no">272</span><span id="line-272"> Path storeArchiveDir = HFileArchiveUtil.getStoreArchivePath(conf, parent, family);</span> |
| <span class="source-line-no">273</span><span id="line-273"></span> |
| <span class="source-line-no">274</span><span id="line-274"> // do the actual archive</span> |
| <span class="source-line-no">275</span><span id="line-275"> List<File> failedArchive =</span> |
| <span class="source-line-no">276</span><span id="line-276"> resolveAndArchive(fs, storeArchiveDir, toArchive, EnvironmentEdgeManager.currentTime());</span> |
| <span class="source-line-no">277</span><span id="line-277"> if (!failedArchive.isEmpty()) {</span> |
| <span class="source-line-no">278</span><span id="line-278"> throw new FailedArchiveException(</span> |
| <span class="source-line-no">279</span><span id="line-279"> "Failed to archive/delete all the files for region:"</span> |
| <span class="source-line-no">280</span><span id="line-280"> + Bytes.toString(parent.getRegionName()) + ", family:" + Bytes.toString(family) + " into "</span> |
| <span class="source-line-no">281</span><span id="line-281"> + storeArchiveDir + ". Something is probably awry on the filesystem.",</span> |
| <span class="source-line-no">282</span><span id="line-282"> failedArchive.stream().map(FUNC_FILE_TO_PATH).collect(Collectors.toList()));</span> |
| <span class="source-line-no">283</span><span id="line-283"> }</span> |
| <span class="source-line-no">284</span><span id="line-284"> }</span> |
| <span class="source-line-no">285</span><span id="line-285"></span> |
| <span class="source-line-no">286</span><span id="line-286"> /**</span> |
| <span class="source-line-no">287</span><span id="line-287"> * Remove the store files, either by archiving them or outright deletion</span> |
| <span class="source-line-no">288</span><span id="line-288"> * @param conf {@link Configuration} to examine to determine the archive directory</span> |
| <span class="source-line-no">289</span><span id="line-289"> * @param fs the filesystem where the store files live</span> |
| <span class="source-line-no">290</span><span id="line-290"> * @param regionInfo {@link RegionInfo} of the region hosting the store files</span> |
| <span class="source-line-no">291</span><span id="line-291"> * @param family the family hosting the store files</span> |
| <span class="source-line-no">292</span><span id="line-292"> * @param compactedFiles files to be disposed of. No further reading of these files should be</span> |
| <span class="source-line-no">293</span><span id="line-293"> * attempted; otherwise likely to cause an {@link IOException}</span> |
| <span class="source-line-no">294</span><span id="line-294"> * @throws IOException if the files could not be correctly disposed.</span> |
| <span class="source-line-no">295</span><span id="line-295"> */</span> |
| <span class="source-line-no">296</span><span id="line-296"> public static void archiveStoreFiles(Configuration conf, FileSystem fs, RegionInfo regionInfo,</span> |
| <span class="source-line-no">297</span><span id="line-297"> Path tableDir, byte[] family, Collection<HStoreFile> compactedFiles) throws IOException {</span> |
| <span class="source-line-no">298</span><span id="line-298"> Path storeArchiveDir = HFileArchiveUtil.getStoreArchivePath(conf, regionInfo, tableDir, family);</span> |
| <span class="source-line-no">299</span><span id="line-299"> archive(fs, regionInfo, family, compactedFiles, storeArchiveDir);</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"> /**</span> |
| <span class="source-line-no">303</span><span id="line-303"> * Archive recovered edits using existing logic for archiving store files. This is currently only</span> |
| <span class="source-line-no">304</span><span id="line-304"> * relevant when <b>hbase.region.archive.recovered.edits</b> is true, as recovered edits shouldn't</span> |
| <span class="source-line-no">305</span><span id="line-305"> * be kept after replay. In theory, we could use very same method available for archiving store</span> |
| <span class="source-line-no">306</span><span id="line-306"> * files, but supporting WAL dir and store files on different FileSystems added the need for extra</span> |
| <span class="source-line-no">307</span><span id="line-307"> * validation of the passed FileSystem instance and the path where the archiving edits should be</span> |
| <span class="source-line-no">308</span><span id="line-308"> * placed.</span> |
| <span class="source-line-no">309</span><span id="line-309"> * @param conf {@link Configuration} to determine the archive directory.</span> |
| <span class="source-line-no">310</span><span id="line-310"> * @param fs the filesystem used for storing WAL files.</span> |
| <span class="source-line-no">311</span><span id="line-311"> * @param regionInfo {@link RegionInfo} a pseudo region representation for the archiving logic.</span> |
| <span class="source-line-no">312</span><span id="line-312"> * @param family a pseudo familiy representation for the archiving logic.</span> |
| <span class="source-line-no">313</span><span id="line-313"> * @param replayedEdits the recovered edits to be archived.</span> |
| <span class="source-line-no">314</span><span id="line-314"> * @throws IOException if files can't be achived due to some internal error.</span> |
| <span class="source-line-no">315</span><span id="line-315"> */</span> |
| <span class="source-line-no">316</span><span id="line-316"> public static void archiveRecoveredEdits(Configuration conf, FileSystem fs, RegionInfo regionInfo,</span> |
| <span class="source-line-no">317</span><span id="line-317"> byte[] family, Collection<HStoreFile> replayedEdits) throws IOException {</span> |
| <span class="source-line-no">318</span><span id="line-318"> String workingDir = conf.get(CommonFSUtils.HBASE_WAL_DIR, conf.get(HConstants.HBASE_DIR));</span> |
| <span class="source-line-no">319</span><span id="line-319"> // extra sanity checks for the right FS</span> |
| <span class="source-line-no">320</span><span id="line-320"> Path path = new Path(workingDir);</span> |
| <span class="source-line-no">321</span><span id="line-321"> if (path.isAbsoluteAndSchemeAuthorityNull()) {</span> |
| <span class="source-line-no">322</span><span id="line-322"> // no schema specified on wal dir value, so it's on same FS as StoreFiles</span> |
| <span class="source-line-no">323</span><span id="line-323"> path = new Path(conf.get(HConstants.HBASE_DIR));</span> |
| <span class="source-line-no">324</span><span id="line-324"> }</span> |
| <span class="source-line-no">325</span><span id="line-325"> if (path.toUri().getScheme() != null && !path.toUri().getScheme().equals(fs.getScheme())) {</span> |
| <span class="source-line-no">326</span><span id="line-326"> throw new IOException(</span> |
| <span class="source-line-no">327</span><span id="line-327"> "Wrong file system! Should be " + path.toUri().getScheme() + ", but got " + fs.getScheme());</span> |
| <span class="source-line-no">328</span><span id="line-328"> }</span> |
| <span class="source-line-no">329</span><span id="line-329"> path = HFileArchiveUtil.getStoreArchivePathForRootDir(path, regionInfo, family);</span> |
| <span class="source-line-no">330</span><span id="line-330"> archive(fs, regionInfo, family, replayedEdits, path);</span> |
| <span class="source-line-no">331</span><span id="line-331"> }</span> |
| <span class="source-line-no">332</span><span id="line-332"></span> |
| <span class="source-line-no">333</span><span id="line-333"> private static void archive(FileSystem fs, RegionInfo regionInfo, byte[] family,</span> |
| <span class="source-line-no">334</span><span id="line-334"> Collection<HStoreFile> compactedFiles, Path storeArchiveDir) throws IOException {</span> |
| <span class="source-line-no">335</span><span id="line-335"> // sometimes in testing, we don't have rss, so we need to check for that</span> |
| <span class="source-line-no">336</span><span id="line-336"> if (fs == null) {</span> |
| <span class="source-line-no">337</span><span id="line-337"> LOG.warn(</span> |
| <span class="source-line-no">338</span><span id="line-338"> "Passed filesystem is null, so just deleting files without archiving for {}," + "family={}",</span> |
| <span class="source-line-no">339</span><span id="line-339"> Bytes.toString(regionInfo.getRegionName()), Bytes.toString(family));</span> |
| <span class="source-line-no">340</span><span id="line-340"> deleteStoreFilesWithoutArchiving(compactedFiles);</span> |
| <span class="source-line-no">341</span><span id="line-341"> return;</span> |
| <span class="source-line-no">342</span><span id="line-342"> }</span> |
| <span class="source-line-no">343</span><span id="line-343"></span> |
| <span class="source-line-no">344</span><span id="line-344"> // short circuit if we don't have any files to delete</span> |
| <span class="source-line-no">345</span><span id="line-345"> if (compactedFiles.isEmpty()) {</span> |
| <span class="source-line-no">346</span><span id="line-346"> LOG.debug("No files to dispose of, done!");</span> |
| <span class="source-line-no">347</span><span id="line-347"> return;</span> |
| <span class="source-line-no">348</span><span id="line-348"> }</span> |
| <span class="source-line-no">349</span><span id="line-349"></span> |
| <span class="source-line-no">350</span><span id="line-350"> // build the archive path</span> |
| <span class="source-line-no">351</span><span id="line-351"> if (regionInfo == null || family == null)</span> |
| <span class="source-line-no">352</span><span id="line-352"> throw new IOException("Need to have a region and a family to archive from.");</span> |
| <span class="source-line-no">353</span><span id="line-353"> // make sure we don't archive if we can't and that the archive dir exists</span> |
| <span class="source-line-no">354</span><span id="line-354"> if (!fs.mkdirs(storeArchiveDir)) {</span> |
| <span class="source-line-no">355</span><span id="line-355"> throw new IOException("Could not make archive directory (" + storeArchiveDir + ") for store:"</span> |
| <span class="source-line-no">356</span><span id="line-356"> + Bytes.toString(family) + ", deleting compacted files instead.");</span> |
| <span class="source-line-no">357</span><span id="line-357"> }</span> |
| <span class="source-line-no">358</span><span id="line-358"></span> |
| <span class="source-line-no">359</span><span id="line-359"> // otherwise we attempt to archive the store files</span> |
| <span class="source-line-no">360</span><span id="line-360"> LOG.debug("Archiving compacted files.");</span> |
| <span class="source-line-no">361</span><span id="line-361"></span> |
| <span class="source-line-no">362</span><span id="line-362"> // Wrap the storefile into a File</span> |
| <span class="source-line-no">363</span><span id="line-363"> StoreToFile getStorePath = new StoreToFile(fs);</span> |
| <span class="source-line-no">364</span><span id="line-364"> Collection<File> storeFiles =</span> |
| <span class="source-line-no">365</span><span id="line-365"> compactedFiles.stream().map(getStorePath).collect(Collectors.toList());</span> |
| <span class="source-line-no">366</span><span id="line-366"></span> |
| <span class="source-line-no">367</span><span id="line-367"> // do the actual archive</span> |
| <span class="source-line-no">368</span><span id="line-368"> List<File> failedArchive =</span> |
| <span class="source-line-no">369</span><span id="line-369"> resolveAndArchive(fs, storeArchiveDir, storeFiles, EnvironmentEdgeManager.currentTime());</span> |
| <span class="source-line-no">370</span><span id="line-370"></span> |
| <span class="source-line-no">371</span><span id="line-371"> if (!failedArchive.isEmpty()) {</span> |
| <span class="source-line-no">372</span><span id="line-372"> throw new FailedArchiveException(</span> |
| <span class="source-line-no">373</span><span id="line-373"> "Failed to archive/delete all the files for region:"</span> |
| <span class="source-line-no">374</span><span id="line-374"> + Bytes.toString(regionInfo.getRegionName()) + ", family:" + Bytes.toString(family)</span> |
| <span class="source-line-no">375</span><span id="line-375"> + " into " + storeArchiveDir + ". Something is probably awry on the filesystem.",</span> |
| <span class="source-line-no">376</span><span id="line-376"> failedArchive.stream().map(FUNC_FILE_TO_PATH).collect(Collectors.toList()));</span> |
| <span class="source-line-no">377</span><span id="line-377"> }</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"> * Archive the store file</span> |
| <span class="source-line-no">382</span><span id="line-382"> * @param fs the filesystem where the store files live</span> |
| <span class="source-line-no">383</span><span id="line-383"> * @param regionInfo region hosting the store files</span> |
| <span class="source-line-no">384</span><span id="line-384"> * @param conf {@link Configuration} to examine to determine the archive directory</span> |
| <span class="source-line-no">385</span><span id="line-385"> * @param tableDir {@link Path} to where the table is being stored (for building the archive</span> |
| <span class="source-line-no">386</span><span id="line-386"> * path)</span> |
| <span class="source-line-no">387</span><span id="line-387"> * @param family the family hosting the store files</span> |
| <span class="source-line-no">388</span><span id="line-388"> * @param storeFile file to be archived</span> |
| <span class="source-line-no">389</span><span id="line-389"> * @throws IOException if the files could not be correctly disposed.</span> |
| <span class="source-line-no">390</span><span id="line-390"> */</span> |
| <span class="source-line-no">391</span><span id="line-391"> public static void archiveStoreFile(Configuration conf, FileSystem fs, RegionInfo regionInfo,</span> |
| <span class="source-line-no">392</span><span id="line-392"> Path tableDir, byte[] family, Path storeFile) throws IOException {</span> |
| <span class="source-line-no">393</span><span id="line-393"> Path storeArchiveDir = HFileArchiveUtil.getStoreArchivePath(conf, regionInfo, tableDir, family);</span> |
| <span class="source-line-no">394</span><span id="line-394"> // make sure we don't archive if we can't and that the archive dir exists</span> |
| <span class="source-line-no">395</span><span id="line-395"> if (!fs.mkdirs(storeArchiveDir)) {</span> |
| <span class="source-line-no">396</span><span id="line-396"> throw new IOException("Could not make archive directory (" + storeArchiveDir + ") for store:"</span> |
| <span class="source-line-no">397</span><span id="line-397"> + Bytes.toString(family) + ", deleting compacted files instead.");</span> |
| <span class="source-line-no">398</span><span id="line-398"> }</span> |
| <span class="source-line-no">399</span><span id="line-399"></span> |
| <span class="source-line-no">400</span><span id="line-400"> // do the actual archive</span> |
| <span class="source-line-no">401</span><span id="line-401"> long start = EnvironmentEdgeManager.currentTime();</span> |
| <span class="source-line-no">402</span><span id="line-402"> File file = new FileablePath(fs, storeFile);</span> |
| <span class="source-line-no">403</span><span id="line-403"> if (!resolveAndArchiveFile(storeArchiveDir, file, Long.toString(start))) {</span> |
| <span class="source-line-no">404</span><span id="line-404"> throw new IOException("Failed to archive/delete the file for region:"</span> |
| <span class="source-line-no">405</span><span id="line-405"> + regionInfo.getRegionNameAsString() + ", family:" + Bytes.toString(family) + " into "</span> |
| <span class="source-line-no">406</span><span id="line-406"> + storeArchiveDir + ". Something is probably awry on the filesystem.");</span> |
| <span class="source-line-no">407</span><span id="line-407"> }</span> |
| <span class="source-line-no">408</span><span id="line-408"> }</span> |
| <span class="source-line-no">409</span><span id="line-409"></span> |
| <span class="source-line-no">410</span><span id="line-410"> /**</span> |
| <span class="source-line-no">411</span><span id="line-411"> * Resolve any conflict with an existing archive file via timestamp-append renaming of the</span> |
| <span class="source-line-no">412</span><span id="line-412"> * existing file and then archive the passed in files.</span> |
| <span class="source-line-no">413</span><span id="line-413"> * @param fs {@link FileSystem} on which to archive the files</span> |
| <span class="source-line-no">414</span><span id="line-414"> * @param baseArchiveDir base archive directory to store the files. If any of the files to archive</span> |
| <span class="source-line-no">415</span><span id="line-415"> * are directories, will append the name of the directory to the base</span> |
| <span class="source-line-no">416</span><span id="line-416"> * archive directory name, creating a parallel structure.</span> |
| <span class="source-line-no">417</span><span id="line-417"> * @param toArchive files/directories that need to be archvied</span> |
| <span class="source-line-no">418</span><span id="line-418"> * @param start time the archiving started - used for resolving archive conflicts.</span> |
| <span class="source-line-no">419</span><span id="line-419"> * @return the list of failed to archive files.</span> |
| <span class="source-line-no">420</span><span id="line-420"> * @throws IOException if an unexpected file operation exception occurred</span> |
| <span class="source-line-no">421</span><span id="line-421"> */</span> |
| <span class="source-line-no">422</span><span id="line-422"> private static List<File> resolveAndArchive(FileSystem fs, Path baseArchiveDir,</span> |
| <span class="source-line-no">423</span><span id="line-423"> Collection<File> toArchive, long start) throws IOException {</span> |
| <span class="source-line-no">424</span><span id="line-424"> // short circuit if no files to move</span> |
| <span class="source-line-no">425</span><span id="line-425"> if (toArchive.isEmpty()) {</span> |
| <span class="source-line-no">426</span><span id="line-426"> return Collections.emptyList();</span> |
| <span class="source-line-no">427</span><span id="line-427"> }</span> |
| <span class="source-line-no">428</span><span id="line-428"></span> |
| <span class="source-line-no">429</span><span id="line-429"> LOG.trace("Moving files to the archive directory {}", baseArchiveDir);</span> |
| <span class="source-line-no">430</span><span id="line-430"></span> |
| <span class="source-line-no">431</span><span id="line-431"> // make sure the archive directory exists</span> |
| <span class="source-line-no">432</span><span id="line-432"> if (!fs.exists(baseArchiveDir)) {</span> |
| <span class="source-line-no">433</span><span id="line-433"> if (!fs.mkdirs(baseArchiveDir)) {</span> |
| <span class="source-line-no">434</span><span id="line-434"> throw new IOException("Failed to create the archive directory:" + baseArchiveDir</span> |
| <span class="source-line-no">435</span><span id="line-435"> + ", quitting archive attempt.");</span> |
| <span class="source-line-no">436</span><span id="line-436"> }</span> |
| <span class="source-line-no">437</span><span id="line-437"> LOG.trace("Created archive directory {}", baseArchiveDir);</span> |
| <span class="source-line-no">438</span><span id="line-438"> }</span> |
| <span class="source-line-no">439</span><span id="line-439"></span> |
| <span class="source-line-no">440</span><span id="line-440"> List<File> failures = new ArrayList<>();</span> |
| <span class="source-line-no">441</span><span id="line-441"> String startTime = Long.toString(start);</span> |
| <span class="source-line-no">442</span><span id="line-442"> for (File file : toArchive) {</span> |
| <span class="source-line-no">443</span><span id="line-443"> // if its a file archive it</span> |
| <span class="source-line-no">444</span><span id="line-444"> try {</span> |
| <span class="source-line-no">445</span><span id="line-445"> LOG.trace("Archiving {}", file);</span> |
| <span class="source-line-no">446</span><span id="line-446"> if (file.isFile()) {</span> |
| <span class="source-line-no">447</span><span id="line-447"> // attempt to archive the file</span> |
| <span class="source-line-no">448</span><span id="line-448"> if (!resolveAndArchiveFile(baseArchiveDir, file, startTime)) {</span> |
| <span class="source-line-no">449</span><span id="line-449"> LOG.warn("Couldn't archive " + file + " into backup directory: " + baseArchiveDir);</span> |
| <span class="source-line-no">450</span><span id="line-450"> failures.add(file);</span> |
| <span class="source-line-no">451</span><span id="line-451"> }</span> |
| <span class="source-line-no">452</span><span id="line-452"> } else {</span> |
| <span class="source-line-no">453</span><span id="line-453"> // otherwise its a directory and we need to archive all files</span> |
| <span class="source-line-no">454</span><span id="line-454"> LOG.trace("{} is a directory, archiving children files", file);</span> |
| <span class="source-line-no">455</span><span id="line-455"> // so we add the directory name to the one base archive</span> |
| <span class="source-line-no">456</span><span id="line-456"> Path parentArchiveDir = new Path(baseArchiveDir, file.getName());</span> |
| <span class="source-line-no">457</span><span id="line-457"> // and then get all the files from that directory and attempt to</span> |
| <span class="source-line-no">458</span><span id="line-458"> // archive those too</span> |
| <span class="source-line-no">459</span><span id="line-459"> Collection<File> children = file.getChildren();</span> |
| <span class="source-line-no">460</span><span id="line-460"> failures.addAll(resolveAndArchive(fs, parentArchiveDir, children, start));</span> |
| <span class="source-line-no">461</span><span id="line-461"> }</span> |
| <span class="source-line-no">462</span><span id="line-462"> } catch (IOException e) {</span> |
| <span class="source-line-no">463</span><span id="line-463"> LOG.warn("Failed to archive {}", file, e);</span> |
| <span class="source-line-no">464</span><span id="line-464"> failures.add(file);</span> |
| <span class="source-line-no">465</span><span id="line-465"> }</span> |
| <span class="source-line-no">466</span><span id="line-466"> }</span> |
| <span class="source-line-no">467</span><span id="line-467"> return failures;</span> |
| <span class="source-line-no">468</span><span id="line-468"> }</span> |
| <span class="source-line-no">469</span><span id="line-469"></span> |
| <span class="source-line-no">470</span><span id="line-470"> /**</span> |
| <span class="source-line-no">471</span><span id="line-471"> * Attempt to archive the passed in file to the archive directory.</span> |
| <span class="source-line-no">472</span><span id="line-472"> * <p></span> |
| <span class="source-line-no">473</span><span id="line-473"> * If the same file already exists in the archive, it is moved to a timestamped directory under</span> |
| <span class="source-line-no">474</span><span id="line-474"> * the archive directory and the new file is put in its place.</span> |
| <span class="source-line-no">475</span><span id="line-475"> * @param archiveDir {@link Path} to the directory that stores the archives of the hfiles</span> |
| <span class="source-line-no">476</span><span id="line-476"> * @param currentFile {@link Path} to the original HFile that will be archived</span> |
| <span class="source-line-no">477</span><span id="line-477"> * @param archiveStartTime time the archiving started, to resolve naming conflicts</span> |
| <span class="source-line-no">478</span><span id="line-478"> * @return <tt>true</tt> if the file is successfully archived. <tt>false</tt> if there was a</span> |
| <span class="source-line-no">479</span><span id="line-479"> * problem, but the operation still completed.</span> |
| <span class="source-line-no">480</span><span id="line-480"> * @throws IOException on failure to complete {@link FileSystem} operations.</span> |
| <span class="source-line-no">481</span><span id="line-481"> */</span> |
| <span class="source-line-no">482</span><span id="line-482"> private static boolean resolveAndArchiveFile(Path archiveDir, File currentFile,</span> |
| <span class="source-line-no">483</span><span id="line-483"> String archiveStartTime) throws IOException {</span> |
| <span class="source-line-no">484</span><span id="line-484"> // build path as it should be in the archive</span> |
| <span class="source-line-no">485</span><span id="line-485"> String filename = currentFile.getName();</span> |
| <span class="source-line-no">486</span><span id="line-486"> Path archiveFile = new Path(archiveDir, filename);</span> |
| <span class="source-line-no">487</span><span id="line-487"> FileSystem fs = currentFile.getFileSystem();</span> |
| <span class="source-line-no">488</span><span id="line-488"></span> |
| <span class="source-line-no">489</span><span id="line-489"> // An existing destination file in the archive is unexpected, but we handle it here.</span> |
| <span class="source-line-no">490</span><span id="line-490"> if (fs.exists(archiveFile)) {</span> |
| <span class="source-line-no">491</span><span id="line-491"> if (!fs.exists(currentFile.getPath())) {</span> |
| <span class="source-line-no">492</span><span id="line-492"> // If the file already exists in the archive, and there is no current file to archive, then</span> |
| <span class="source-line-no">493</span><span id="line-493"> // assume that the file in archive is correct. This is an unexpected situation, suggesting a</span> |
| <span class="source-line-no">494</span><span id="line-494"> // race condition or split brain.</span> |
| <span class="source-line-no">495</span><span id="line-495"> // In HBASE-26718 this was found when compaction incorrectly happened during warmupRegion.</span> |
| <span class="source-line-no">496</span><span id="line-496"> LOG.warn("{} exists in archive. Attempted to archive nonexistent file {}.", archiveFile,</span> |
| <span class="source-line-no">497</span><span id="line-497"> currentFile);</span> |
| <span class="source-line-no">498</span><span id="line-498"> // We return success to match existing behavior in this method, where FileNotFoundException</span> |
| <span class="source-line-no">499</span><span id="line-499"> // in moveAndClose is ignored.</span> |
| <span class="source-line-no">500</span><span id="line-500"> return true;</span> |
| <span class="source-line-no">501</span><span id="line-501"> }</span> |
| <span class="source-line-no">502</span><span id="line-502"> // There is a conflict between the current file and the already existing archived file.</span> |
| <span class="source-line-no">503</span><span id="line-503"> // Move the archived file to a timestamped backup. This is a really, really unlikely</span> |
| <span class="source-line-no">504</span><span id="line-504"> // situation, where we get the same name for the existing file, but is included just for that</span> |
| <span class="source-line-no">505</span><span id="line-505"> // 1 in trillion chance. We are potentially incurring data loss in the archive directory if</span> |
| <span class="source-line-no">506</span><span id="line-506"> // the files are not identical. The timestamped backup will be cleaned by HFileCleaner as it</span> |
| <span class="source-line-no">507</span><span id="line-507"> // has no references.</span> |
| <span class="source-line-no">508</span><span id="line-508"> FileStatus curStatus = fs.getFileStatus(currentFile.getPath());</span> |
| <span class="source-line-no">509</span><span id="line-509"> FileStatus archiveStatus = fs.getFileStatus(archiveFile);</span> |
| <span class="source-line-no">510</span><span id="line-510"> long curLen = curStatus.getLen();</span> |
| <span class="source-line-no">511</span><span id="line-511"> long archiveLen = archiveStatus.getLen();</span> |
| <span class="source-line-no">512</span><span id="line-512"> long curMtime = curStatus.getModificationTime();</span> |
| <span class="source-line-no">513</span><span id="line-513"> long archiveMtime = archiveStatus.getModificationTime();</span> |
| <span class="source-line-no">514</span><span id="line-514"> if (curLen != archiveLen) {</span> |
| <span class="source-line-no">515</span><span id="line-515"> LOG.error(</span> |
| <span class="source-line-no">516</span><span id="line-516"> "{} already exists in archive with different size than current {}."</span> |
| <span class="source-line-no">517</span><span id="line-517"> + " archiveLen: {} currentLen: {} archiveMtime: {} currentMtime: {}",</span> |
| <span class="source-line-no">518</span><span id="line-518"> archiveFile, currentFile, archiveLen, curLen, archiveMtime, curMtime);</span> |
| <span class="source-line-no">519</span><span id="line-519"> throw new IOException(</span> |
| <span class="source-line-no">520</span><span id="line-520"> archiveFile + " already exists in archive with different size" + " than " + currentFile);</span> |
| <span class="source-line-no">521</span><span id="line-521"> }</span> |
| <span class="source-line-no">522</span><span id="line-522"></span> |
| <span class="source-line-no">523</span><span id="line-523"> LOG.error(</span> |
| <span class="source-line-no">524</span><span id="line-524"> "{} already exists in archive, moving to timestamped backup and overwriting"</span> |
| <span class="source-line-no">525</span><span id="line-525"> + " current {}. archiveLen: {} currentLen: {} archiveMtime: {} currentMtime: {}",</span> |
| <span class="source-line-no">526</span><span id="line-526"> archiveFile, currentFile, archiveLen, curLen, archiveMtime, curMtime);</span> |
| <span class="source-line-no">527</span><span id="line-527"></span> |
| <span class="source-line-no">528</span><span id="line-528"> // move the archive file to the stamped backup</span> |
| <span class="source-line-no">529</span><span id="line-529"> Path backedupArchiveFile = new Path(archiveDir, filename + SEPARATOR + archiveStartTime);</span> |
| <span class="source-line-no">530</span><span id="line-530"> if (!fs.rename(archiveFile, backedupArchiveFile)) {</span> |
| <span class="source-line-no">531</span><span id="line-531"> LOG.error("Could not rename archive file to backup: " + backedupArchiveFile</span> |
| <span class="source-line-no">532</span><span id="line-532"> + ", deleting existing file in favor of newer.");</span> |
| <span class="source-line-no">533</span><span id="line-533"> // try to delete the existing file, if we can't rename it</span> |
| <span class="source-line-no">534</span><span id="line-534"> if (!fs.delete(archiveFile, false)) {</span> |
| <span class="source-line-no">535</span><span id="line-535"> throw new IOException("Couldn't delete existing archive file (" + archiveFile</span> |
| <span class="source-line-no">536</span><span id="line-536"> + ") or rename it to the backup file (" + backedupArchiveFile</span> |
| <span class="source-line-no">537</span><span id="line-537"> + ") to make room for similarly named file.");</span> |
| <span class="source-line-no">538</span><span id="line-538"> }</span> |
| <span class="source-line-no">539</span><span id="line-539"> } else {</span> |
| <span class="source-line-no">540</span><span id="line-540"> LOG.info("Backed up archive file from {} to {}.", archiveFile, backedupArchiveFile);</span> |
| <span class="source-line-no">541</span><span id="line-541"> }</span> |
| <span class="source-line-no">542</span><span id="line-542"> }</span> |
| <span class="source-line-no">543</span><span id="line-543"></span> |
| <span class="source-line-no">544</span><span id="line-544"> LOG.trace("No existing file in archive for {}, free to archive original file.", archiveFile);</span> |
| <span class="source-line-no">545</span><span id="line-545"></span> |
| <span class="source-line-no">546</span><span id="line-546"> // at this point, we should have a free spot for the archive file</span> |
| <span class="source-line-no">547</span><span id="line-547"> boolean success = false;</span> |
| <span class="source-line-no">548</span><span id="line-548"> for (int i = 0; !success && i < DEFAULT_RETRIES_NUMBER; ++i) {</span> |
| <span class="source-line-no">549</span><span id="line-549"> if (i > 0) {</span> |
| <span class="source-line-no">550</span><span id="line-550"> // Ensure that the archive directory exists.</span> |
| <span class="source-line-no">551</span><span id="line-551"> // The previous "move to archive" operation has failed probably because</span> |
| <span class="source-line-no">552</span><span id="line-552"> // the cleaner has removed our archive directory (HBASE-7643).</span> |
| <span class="source-line-no">553</span><span id="line-553"> // (we're in a retry loop, so don't worry too much about the exception)</span> |
| <span class="source-line-no">554</span><span id="line-554"> try {</span> |
| <span class="source-line-no">555</span><span id="line-555"> if (!fs.exists(archiveDir)) {</span> |
| <span class="source-line-no">556</span><span id="line-556"> if (fs.mkdirs(archiveDir)) {</span> |
| <span class="source-line-no">557</span><span id="line-557"> LOG.debug("Created archive directory {}", archiveDir);</span> |
| <span class="source-line-no">558</span><span id="line-558"> }</span> |
| <span class="source-line-no">559</span><span id="line-559"> }</span> |
| <span class="source-line-no">560</span><span id="line-560"> } catch (IOException e) {</span> |
| <span class="source-line-no">561</span><span id="line-561"> LOG.warn("Failed to create directory {}", archiveDir, e);</span> |
| <span class="source-line-no">562</span><span id="line-562"> }</span> |
| <span class="source-line-no">563</span><span id="line-563"> }</span> |
| <span class="source-line-no">564</span><span id="line-564"></span> |
| <span class="source-line-no">565</span><span id="line-565"> try {</span> |
| <span class="source-line-no">566</span><span id="line-566"> success = currentFile.moveAndClose(archiveFile);</span> |
| <span class="source-line-no">567</span><span id="line-567"> } catch (FileNotFoundException fnfe) {</span> |
| <span class="source-line-no">568</span><span id="line-568"> LOG.warn("Failed to archive " + currentFile</span> |
| <span class="source-line-no">569</span><span id="line-569"> + " because it does not exist! Skipping and continuing on.", fnfe);</span> |
| <span class="source-line-no">570</span><span id="line-570"> success = true;</span> |
| <span class="source-line-no">571</span><span id="line-571"> } catch (IOException e) {</span> |
| <span class="source-line-no">572</span><span id="line-572"> success = false;</span> |
| <span class="source-line-no">573</span><span id="line-573"> // When HFiles are placed on a filesystem other than HDFS a rename operation can be a</span> |
| <span class="source-line-no">574</span><span id="line-574"> // non-atomic file copy operation. It can take a long time to copy a large hfile and if</span> |
| <span class="source-line-no">575</span><span id="line-575"> // interrupted there may be a partially copied file present at the destination. We must</span> |
| <span class="source-line-no">576</span><span id="line-576"> // remove the partially copied file, if any, or otherwise the archive operation will fail</span> |
| <span class="source-line-no">577</span><span id="line-577"> // indefinitely from this point.</span> |
| <span class="source-line-no">578</span><span id="line-578"> LOG.warn("Failed to archive " + currentFile + " on try #" + i, e);</span> |
| <span class="source-line-no">579</span><span id="line-579"> try {</span> |
| <span class="source-line-no">580</span><span id="line-580"> fs.delete(archiveFile, false);</span> |
| <span class="source-line-no">581</span><span id="line-581"> } catch (FileNotFoundException fnfe) {</span> |
| <span class="source-line-no">582</span><span id="line-582"> // This case is fine.</span> |
| <span class="source-line-no">583</span><span id="line-583"> } catch (IOException ee) {</span> |
| <span class="source-line-no">584</span><span id="line-584"> // Complain about other IO exceptions</span> |
| <span class="source-line-no">585</span><span id="line-585"> LOG.warn("Failed to clean up from failure to archive " + currentFile + " on try #" + i,</span> |
| <span class="source-line-no">586</span><span id="line-586"> ee);</span> |
| <span class="source-line-no">587</span><span id="line-587"> }</span> |
| <span class="source-line-no">588</span><span id="line-588"> }</span> |
| <span class="source-line-no">589</span><span id="line-589"> }</span> |
| <span class="source-line-no">590</span><span id="line-590"></span> |
| <span class="source-line-no">591</span><span id="line-591"> if (!success) {</span> |
| <span class="source-line-no">592</span><span id="line-592"> LOG.error("Failed to archive " + currentFile);</span> |
| <span class="source-line-no">593</span><span id="line-593"> return false;</span> |
| <span class="source-line-no">594</span><span id="line-594"> }</span> |
| <span class="source-line-no">595</span><span id="line-595"></span> |
| <span class="source-line-no">596</span><span id="line-596"> LOG.debug("Archived from {} to {}", currentFile, archiveFile);</span> |
| <span class="source-line-no">597</span><span id="line-597"> return true;</span> |
| <span class="source-line-no">598</span><span id="line-598"> }</span> |
| <span class="source-line-no">599</span><span id="line-599"></span> |
| <span class="source-line-no">600</span><span id="line-600"> /**</span> |
| <span class="source-line-no">601</span><span id="line-601"> * Without regard for backup, delete a region. Should be used with caution.</span> |
| <span class="source-line-no">602</span><span id="line-602"> * @param regionDir {@link Path} to the region to be deleted.</span> |
| <span class="source-line-no">603</span><span id="line-603"> * @param fs FileSystem from which to delete the region</span> |
| <span class="source-line-no">604</span><span id="line-604"> * @return <tt>true</tt> on successful deletion, <tt>false</tt> otherwise</span> |
| <span class="source-line-no">605</span><span id="line-605"> * @throws IOException on filesystem operation failure</span> |
| <span class="source-line-no">606</span><span id="line-606"> */</span> |
| <span class="source-line-no">607</span><span id="line-607"> private static boolean deleteRegionWithoutArchiving(FileSystem fs, Path regionDir)</span> |
| <span class="source-line-no">608</span><span id="line-608"> throws IOException {</span> |
| <span class="source-line-no">609</span><span id="line-609"> if (fs.delete(regionDir, true)) {</span> |
| <span class="source-line-no">610</span><span id="line-610"> LOG.debug("Deleted {}", regionDir);</span> |
| <span class="source-line-no">611</span><span id="line-611"> return true;</span> |
| <span class="source-line-no">612</span><span id="line-612"> }</span> |
| <span class="source-line-no">613</span><span id="line-613"> LOG.debug("Failed to delete directory {}", regionDir);</span> |
| <span class="source-line-no">614</span><span id="line-614"> return false;</span> |
| <span class="source-line-no">615</span><span id="line-615"> }</span> |
| <span class="source-line-no">616</span><span id="line-616"></span> |
| <span class="source-line-no">617</span><span id="line-617"> /**</span> |
| <span class="source-line-no">618</span><span id="line-618"> * Just do a simple delete of the given store files</span> |
| <span class="source-line-no">619</span><span id="line-619"> * <p></span> |
| <span class="source-line-no">620</span><span id="line-620"> * A best effort is made to delete each of the files, rather than bailing on the first failure.</span> |
| <span class="source-line-no">621</span><span id="line-621"> * <p></span> |
| <span class="source-line-no">622</span><span id="line-622"> * @param compactedFiles store files to delete from the file system.</span> |
| <span class="source-line-no">623</span><span id="line-623"> * @throws IOException if a file cannot be deleted. All files will be attempted to deleted before</span> |
| <span class="source-line-no">624</span><span id="line-624"> * throwing the exception, rather than failing at the first file.</span> |
| <span class="source-line-no">625</span><span id="line-625"> */</span> |
| <span class="source-line-no">626</span><span id="line-626"> private static void deleteStoreFilesWithoutArchiving(Collection<HStoreFile> compactedFiles)</span> |
| <span class="source-line-no">627</span><span id="line-627"> throws IOException {</span> |
| <span class="source-line-no">628</span><span id="line-628"> LOG.debug("Deleting files without archiving.");</span> |
| <span class="source-line-no">629</span><span id="line-629"> List<IOException> errors = new ArrayList<>(0);</span> |
| <span class="source-line-no">630</span><span id="line-630"> for (HStoreFile hsf : compactedFiles) {</span> |
| <span class="source-line-no">631</span><span id="line-631"> try {</span> |
| <span class="source-line-no">632</span><span id="line-632"> hsf.deleteStoreFile();</span> |
| <span class="source-line-no">633</span><span id="line-633"> } catch (IOException e) {</span> |
| <span class="source-line-no">634</span><span id="line-634"> LOG.error("Failed to delete {}", hsf.getPath());</span> |
| <span class="source-line-no">635</span><span id="line-635"> errors.add(e);</span> |
| <span class="source-line-no">636</span><span id="line-636"> }</span> |
| <span class="source-line-no">637</span><span id="line-637"> }</span> |
| <span class="source-line-no">638</span><span id="line-638"> if (errors.size() > 0) {</span> |
| <span class="source-line-no">639</span><span id="line-639"> throw MultipleIOException.createIOException(errors);</span> |
| <span class="source-line-no">640</span><span id="line-640"> }</span> |
| <span class="source-line-no">641</span><span id="line-641"> }</span> |
| <span class="source-line-no">642</span><span id="line-642"></span> |
| <span class="source-line-no">643</span><span id="line-643"> /**</span> |
| <span class="source-line-no">644</span><span id="line-644"> * Adapt a type to match the {@link File} interface, which is used internally for handling</span> |
| <span class="source-line-no">645</span><span id="line-645"> * archival/removal of files</span> |
| <span class="source-line-no">646</span><span id="line-646"> * @param <T> type to adapt to the {@link File} interface</span> |
| <span class="source-line-no">647</span><span id="line-647"> */</span> |
| <span class="source-line-no">648</span><span id="line-648"> private static abstract class FileConverter<T> implements Function<T, File> {</span> |
| <span class="source-line-no">649</span><span id="line-649"> protected final FileSystem fs;</span> |
| <span class="source-line-no">650</span><span id="line-650"></span> |
| <span class="source-line-no">651</span><span id="line-651"> public FileConverter(FileSystem fs) {</span> |
| <span class="source-line-no">652</span><span id="line-652"> this.fs = fs;</span> |
| <span class="source-line-no">653</span><span id="line-653"> }</span> |
| <span class="source-line-no">654</span><span id="line-654"> }</span> |
| <span class="source-line-no">655</span><span id="line-655"></span> |
| <span class="source-line-no">656</span><span id="line-656"> /**</span> |
| <span class="source-line-no">657</span><span id="line-657"> * Convert a FileStatus to something we can manage in the archiving</span> |
| <span class="source-line-no">658</span><span id="line-658"> */</span> |
| <span class="source-line-no">659</span><span id="line-659"> private static class FileStatusConverter extends FileConverter<FileStatus> {</span> |
| <span class="source-line-no">660</span><span id="line-660"> public FileStatusConverter(FileSystem fs) {</span> |
| <span class="source-line-no">661</span><span id="line-661"> super(fs);</span> |
| <span class="source-line-no">662</span><span id="line-662"> }</span> |
| <span class="source-line-no">663</span><span id="line-663"></span> |
| <span class="source-line-no">664</span><span id="line-664"> @Override</span> |
| <span class="source-line-no">665</span><span id="line-665"> public File apply(FileStatus input) {</span> |
| <span class="source-line-no">666</span><span id="line-666"> return new FileablePath(fs, input.getPath());</span> |
| <span class="source-line-no">667</span><span id="line-667"> }</span> |
| <span class="source-line-no">668</span><span id="line-668"> }</span> |
| <span class="source-line-no">669</span><span id="line-669"></span> |
| <span class="source-line-no">670</span><span id="line-670"> /**</span> |
| <span class="source-line-no">671</span><span id="line-671"> * Convert the {@link HStoreFile} into something we can manage in the archive methods</span> |
| <span class="source-line-no">672</span><span id="line-672"> */</span> |
| <span class="source-line-no">673</span><span id="line-673"> private static class StoreToFile extends FileConverter<HStoreFile> {</span> |
| <span class="source-line-no">674</span><span id="line-674"> public StoreToFile(FileSystem fs) {</span> |
| <span class="source-line-no">675</span><span id="line-675"> super(fs);</span> |
| <span class="source-line-no">676</span><span id="line-676"> }</span> |
| <span class="source-line-no">677</span><span id="line-677"></span> |
| <span class="source-line-no">678</span><span id="line-678"> @Override</span> |
| <span class="source-line-no">679</span><span id="line-679"> public File apply(HStoreFile input) {</span> |
| <span class="source-line-no">680</span><span id="line-680"> return new FileableStoreFile(fs, input);</span> |
| <span class="source-line-no">681</span><span id="line-681"> }</span> |
| <span class="source-line-no">682</span><span id="line-682"> }</span> |
| <span class="source-line-no">683</span><span id="line-683"></span> |
| <span class="source-line-no">684</span><span id="line-684"> /**</span> |
| <span class="source-line-no">685</span><span id="line-685"> * Wrapper to handle file operations uniformly</span> |
| <span class="source-line-no">686</span><span id="line-686"> */</span> |
| <span class="source-line-no">687</span><span id="line-687"> private static abstract class File {</span> |
| <span class="source-line-no">688</span><span id="line-688"> protected final FileSystem fs;</span> |
| <span class="source-line-no">689</span><span id="line-689"></span> |
| <span class="source-line-no">690</span><span id="line-690"> public File(FileSystem fs) {</span> |
| <span class="source-line-no">691</span><span id="line-691"> this.fs = fs;</span> |
| <span class="source-line-no">692</span><span id="line-692"> }</span> |
| <span class="source-line-no">693</span><span id="line-693"></span> |
| <span class="source-line-no">694</span><span id="line-694"> /**</span> |
| <span class="source-line-no">695</span><span id="line-695"> * Delete the file</span> |
| <span class="source-line-no">696</span><span id="line-696"> * @throws IOException on failure</span> |
| <span class="source-line-no">697</span><span id="line-697"> */</span> |
| <span class="source-line-no">698</span><span id="line-698"> abstract void delete() throws IOException;</span> |
| <span class="source-line-no">699</span><span id="line-699"></span> |
| <span class="source-line-no">700</span><span id="line-700"> /**</span> |
| <span class="source-line-no">701</span><span id="line-701"> * Check to see if this is a file or a directory</span> |
| <span class="source-line-no">702</span><span id="line-702"> * @return <tt>true</tt> if it is a file, <tt>false</tt> otherwise</span> |
| <span class="source-line-no">703</span><span id="line-703"> * @throws IOException on {@link FileSystem} connection error</span> |
| <span class="source-line-no">704</span><span id="line-704"> */</span> |
| <span class="source-line-no">705</span><span id="line-705"> abstract boolean isFile() throws IOException;</span> |
| <span class="source-line-no">706</span><span id="line-706"></span> |
| <span class="source-line-no">707</span><span id="line-707"> /**</span> |
| <span class="source-line-no">708</span><span id="line-708"> * @return if this is a directory, returns all the children in the directory, otherwise returns</span> |
| <span class="source-line-no">709</span><span id="line-709"> * an empty list</span> |
| <span class="source-line-no">710</span><span id="line-710"> */</span> |
| <span class="source-line-no">711</span><span id="line-711"> abstract Collection<File> getChildren() throws IOException;</span> |
| <span class="source-line-no">712</span><span id="line-712"></span> |
| <span class="source-line-no">713</span><span id="line-713"> /**</span> |
| <span class="source-line-no">714</span><span id="line-714"> * close any outside readers of the file</span> |
| <span class="source-line-no">715</span><span id="line-715"> */</span> |
| <span class="source-line-no">716</span><span id="line-716"> abstract void close() throws IOException;</span> |
| <span class="source-line-no">717</span><span id="line-717"></span> |
| <span class="source-line-no">718</span><span id="line-718"> /** Returns the name of the file (not the full fs path, just the individual file name) */</span> |
| <span class="source-line-no">719</span><span id="line-719"> abstract String getName();</span> |
| <span class="source-line-no">720</span><span id="line-720"></span> |
| <span class="source-line-no">721</span><span id="line-721"> /** Returns the path to this file */</span> |
| <span class="source-line-no">722</span><span id="line-722"> abstract Path getPath();</span> |
| <span class="source-line-no">723</span><span id="line-723"></span> |
| <span class="source-line-no">724</span><span id="line-724"> /**</span> |
| <span class="source-line-no">725</span><span id="line-725"> * Move the file to the given destination</span> |
| <span class="source-line-no">726</span><span id="line-726"> * @return <tt>true</tt> on success</span> |
| <span class="source-line-no">727</span><span id="line-727"> */</span> |
| <span class="source-line-no">728</span><span id="line-728"> public boolean moveAndClose(Path dest) throws IOException {</span> |
| <span class="source-line-no">729</span><span id="line-729"> this.close();</span> |
| <span class="source-line-no">730</span><span id="line-730"> Path p = this.getPath();</span> |
| <span class="source-line-no">731</span><span id="line-731"> return CommonFSUtils.renameAndSetModifyTime(fs, p, dest);</span> |
| <span class="source-line-no">732</span><span id="line-732"> }</span> |
| <span class="source-line-no">733</span><span id="line-733"></span> |
| <span class="source-line-no">734</span><span id="line-734"> /** Returns the {@link FileSystem} on which this file resides */</span> |
| <span class="source-line-no">735</span><span id="line-735"> public FileSystem getFileSystem() {</span> |
| <span class="source-line-no">736</span><span id="line-736"> return this.fs;</span> |
| <span class="source-line-no">737</span><span id="line-737"> }</span> |
| <span class="source-line-no">738</span><span id="line-738"></span> |
| <span class="source-line-no">739</span><span id="line-739"> @Override</span> |
| <span class="source-line-no">740</span><span id="line-740"> public String toString() {</span> |
| <span class="source-line-no">741</span><span id="line-741"> return this.getClass().getSimpleName() + ", " + getPath().toString();</span> |
| <span class="source-line-no">742</span><span id="line-742"> }</span> |
| <span class="source-line-no">743</span><span id="line-743"> }</span> |
| <span class="source-line-no">744</span><span id="line-744"></span> |
| <span class="source-line-no">745</span><span id="line-745"> /**</span> |
| <span class="source-line-no">746</span><span id="line-746"> * A {@link File} that wraps a simple {@link Path} on a {@link FileSystem}.</span> |
| <span class="source-line-no">747</span><span id="line-747"> */</span> |
| <span class="source-line-no">748</span><span id="line-748"> private static class FileablePath extends File {</span> |
| <span class="source-line-no">749</span><span id="line-749"> private final Path file;</span> |
| <span class="source-line-no">750</span><span id="line-750"> private final FileStatusConverter getAsFile;</span> |
| <span class="source-line-no">751</span><span id="line-751"></span> |
| <span class="source-line-no">752</span><span id="line-752"> public FileablePath(FileSystem fs, Path file) {</span> |
| <span class="source-line-no">753</span><span id="line-753"> super(fs);</span> |
| <span class="source-line-no">754</span><span id="line-754"> this.file = file;</span> |
| <span class="source-line-no">755</span><span id="line-755"> this.getAsFile = new FileStatusConverter(fs);</span> |
| <span class="source-line-no">756</span><span id="line-756"> }</span> |
| <span class="source-line-no">757</span><span id="line-757"></span> |
| <span class="source-line-no">758</span><span id="line-758"> @Override</span> |
| <span class="source-line-no">759</span><span id="line-759"> public void delete() throws IOException {</span> |
| <span class="source-line-no">760</span><span id="line-760"> if (!fs.delete(file, true)) throw new IOException("Failed to delete:" + this.file);</span> |
| <span class="source-line-no">761</span><span id="line-761"> }</span> |
| <span class="source-line-no">762</span><span id="line-762"></span> |
| <span class="source-line-no">763</span><span id="line-763"> @Override</span> |
| <span class="source-line-no">764</span><span id="line-764"> public String getName() {</span> |
| <span class="source-line-no">765</span><span id="line-765"> return file.getName();</span> |
| <span class="source-line-no">766</span><span id="line-766"> }</span> |
| <span class="source-line-no">767</span><span id="line-767"></span> |
| <span class="source-line-no">768</span><span id="line-768"> @Override</span> |
| <span class="source-line-no">769</span><span id="line-769"> public Collection<File> getChildren() throws IOException {</span> |
| <span class="source-line-no">770</span><span id="line-770"> if (fs.isFile(file)) {</span> |
| <span class="source-line-no">771</span><span id="line-771"> return Collections.emptyList();</span> |
| <span class="source-line-no">772</span><span id="line-772"> }</span> |
| <span class="source-line-no">773</span><span id="line-773"> return Stream.of(fs.listStatus(file)).map(getAsFile).collect(Collectors.toList());</span> |
| <span class="source-line-no">774</span><span id="line-774"> }</span> |
| <span class="source-line-no">775</span><span id="line-775"></span> |
| <span class="source-line-no">776</span><span id="line-776"> @Override</span> |
| <span class="source-line-no">777</span><span id="line-777"> public boolean isFile() throws IOException {</span> |
| <span class="source-line-no">778</span><span id="line-778"> return fs.isFile(file);</span> |
| <span class="source-line-no">779</span><span id="line-779"> }</span> |
| <span class="source-line-no">780</span><span id="line-780"></span> |
| <span class="source-line-no">781</span><span id="line-781"> @Override</span> |
| <span class="source-line-no">782</span><span id="line-782"> public void close() throws IOException {</span> |
| <span class="source-line-no">783</span><span id="line-783"> // NOOP - files are implicitly closed on removal</span> |
| <span class="source-line-no">784</span><span id="line-784"> }</span> |
| <span class="source-line-no">785</span><span id="line-785"></span> |
| <span class="source-line-no">786</span><span id="line-786"> @Override</span> |
| <span class="source-line-no">787</span><span id="line-787"> Path getPath() {</span> |
| <span class="source-line-no">788</span><span id="line-788"> return file;</span> |
| <span class="source-line-no">789</span><span id="line-789"> }</span> |
| <span class="source-line-no">790</span><span id="line-790"> }</span> |
| <span class="source-line-no">791</span><span id="line-791"></span> |
| <span class="source-line-no">792</span><span id="line-792"> /**</span> |
| <span class="source-line-no">793</span><span id="line-793"> * {@link File} adapter for a {@link HStoreFile} living on a {@link FileSystem} .</span> |
| <span class="source-line-no">794</span><span id="line-794"> */</span> |
| <span class="source-line-no">795</span><span id="line-795"> private static class FileableStoreFile extends File {</span> |
| <span class="source-line-no">796</span><span id="line-796"> HStoreFile file;</span> |
| <span class="source-line-no">797</span><span id="line-797"></span> |
| <span class="source-line-no">798</span><span id="line-798"> public FileableStoreFile(FileSystem fs, HStoreFile store) {</span> |
| <span class="source-line-no">799</span><span id="line-799"> super(fs);</span> |
| <span class="source-line-no">800</span><span id="line-800"> this.file = store;</span> |
| <span class="source-line-no">801</span><span id="line-801"> }</span> |
| <span class="source-line-no">802</span><span id="line-802"></span> |
| <span class="source-line-no">803</span><span id="line-803"> @Override</span> |
| <span class="source-line-no">804</span><span id="line-804"> public void delete() throws IOException {</span> |
| <span class="source-line-no">805</span><span id="line-805"> file.deleteStoreFile();</span> |
| <span class="source-line-no">806</span><span id="line-806"> }</span> |
| <span class="source-line-no">807</span><span id="line-807"></span> |
| <span class="source-line-no">808</span><span id="line-808"> @Override</span> |
| <span class="source-line-no">809</span><span id="line-809"> public String getName() {</span> |
| <span class="source-line-no">810</span><span id="line-810"> return file.getPath().getName();</span> |
| <span class="source-line-no">811</span><span id="line-811"> }</span> |
| <span class="source-line-no">812</span><span id="line-812"></span> |
| <span class="source-line-no">813</span><span id="line-813"> @Override</span> |
| <span class="source-line-no">814</span><span id="line-814"> public boolean isFile() {</span> |
| <span class="source-line-no">815</span><span id="line-815"> return true;</span> |
| <span class="source-line-no">816</span><span id="line-816"> }</span> |
| <span class="source-line-no">817</span><span id="line-817"></span> |
| <span class="source-line-no">818</span><span id="line-818"> @Override</span> |
| <span class="source-line-no">819</span><span id="line-819"> public Collection<File> getChildren() throws IOException {</span> |
| <span class="source-line-no">820</span><span id="line-820"> // storefiles don't have children</span> |
| <span class="source-line-no">821</span><span id="line-821"> return Collections.emptyList();</span> |
| <span class="source-line-no">822</span><span id="line-822"> }</span> |
| <span class="source-line-no">823</span><span id="line-823"></span> |
| <span class="source-line-no">824</span><span id="line-824"> @Override</span> |
| <span class="source-line-no">825</span><span id="line-825"> public void close() throws IOException {</span> |
| <span class="source-line-no">826</span><span id="line-826"> file.closeStoreFile(true);</span> |
| <span class="source-line-no">827</span><span id="line-827"> }</span> |
| <span class="source-line-no">828</span><span id="line-828"></span> |
| <span class="source-line-no">829</span><span id="line-829"> @Override</span> |
| <span class="source-line-no">830</span><span id="line-830"> Path getPath() {</span> |
| <span class="source-line-no">831</span><span id="line-831"> return file.getPath();</span> |
| <span class="source-line-no">832</span><span id="line-832"> }</span> |
| <span class="source-line-no">833</span><span id="line-833"> }</span> |
| <span class="source-line-no">834</span><span id="line-834">}</span> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
