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| <pre><span class="source-line-no">001</span><span id="line-1">/*</span> |
| <span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span> |
| <span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span> |
| <span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span> |
| <span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span> |
| <span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span> |
| <span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span> |
| <span class="source-line-no">009</span><span id="line-9"> *</span> |
| <span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="source-line-no">011</span><span id="line-11"> *</span> |
| <span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span> |
| <span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span> |
| <span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span> |
| <span class="source-line-no">017</span><span id="line-17"> */</span> |
| <span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.backup.impl;</span> |
| <span class="source-line-no">019</span><span id="line-19"></span> |
| <span class="source-line-no">020</span><span id="line-20">import static org.apache.hadoop.hbase.backup.BackupRestoreConstants.JOB_NAME_CONF_KEY;</span> |
| <span class="source-line-no">021</span><span id="line-21"></span> |
| <span class="source-line-no">022</span><span id="line-22">import java.io.IOException;</span> |
| <span class="source-line-no">023</span><span id="line-23">import java.net.URI;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.net.URISyntaxException;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.util.ArrayList;</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.Map;</span> |
| <span class="source-line-no">028</span><span id="line-28">import java.util.Set;</span> |
| <span class="source-line-no">029</span><span id="line-29">import java.util.TreeMap;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.commons.lang3.StringUtils;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.fs.FileSystem;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.fs.Path;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.backup.BackupCopyJob;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.backup.BackupInfo.BackupPhase;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.backup.BackupRequest;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.backup.BackupRestoreFactory;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.backup.BackupType;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.backup.mapreduce.MapReduceBackupCopyJob;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.backup.util.BackupUtils;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.client.Admin;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.hbase.client.Connection;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.hbase.mapreduce.WALPlayer;</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.HFileArchiveUtil;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.apache.hadoop.hbase.util.Pair;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.apache.hadoop.hbase.wal.AbstractFSWALProvider;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.apache.hadoop.util.Tool;</span> |
| <span class="source-line-no">050</span><span id="line-50">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">051</span><span id="line-51">import org.slf4j.Logger;</span> |
| <span class="source-line-no">052</span><span id="line-52">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">053</span><span id="line-53"></span> |
| <span class="source-line-no">054</span><span id="line-54">/**</span> |
| <span class="source-line-no">055</span><span id="line-55"> * Incremental backup implementation. See the {@link #execute() execute} method.</span> |
| <span class="source-line-no">056</span><span id="line-56"> */</span> |
| <span class="source-line-no">057</span><span id="line-57">@InterfaceAudience.Private</span> |
| <span class="source-line-no">058</span><span id="line-58">public class IncrementalTableBackupClient extends TableBackupClient {</span> |
| <span class="source-line-no">059</span><span id="line-59"> private static final Logger LOG = LoggerFactory.getLogger(IncrementalTableBackupClient.class);</span> |
| <span class="source-line-no">060</span><span id="line-60"></span> |
| <span class="source-line-no">061</span><span id="line-61"> protected IncrementalTableBackupClient() {</span> |
| <span class="source-line-no">062</span><span id="line-62"> }</span> |
| <span class="source-line-no">063</span><span id="line-63"></span> |
| <span class="source-line-no">064</span><span id="line-64"> public IncrementalTableBackupClient(final Connection conn, final String backupId,</span> |
| <span class="source-line-no">065</span><span id="line-65"> BackupRequest request) throws IOException {</span> |
| <span class="source-line-no">066</span><span id="line-66"> super(conn, backupId, request);</span> |
| <span class="source-line-no">067</span><span id="line-67"> }</span> |
| <span class="source-line-no">068</span><span id="line-68"></span> |
| <span class="source-line-no">069</span><span id="line-69"> protected List<String> filterMissingFiles(List<String> incrBackupFileList) throws IOException {</span> |
| <span class="source-line-no">070</span><span id="line-70"> List<String> list = new ArrayList<>();</span> |
| <span class="source-line-no">071</span><span id="line-71"> for (String file : incrBackupFileList) {</span> |
| <span class="source-line-no">072</span><span id="line-72"> Path p = new Path(file);</span> |
| <span class="source-line-no">073</span><span id="line-73"> if (fs.exists(p) || isActiveWalPath(p)) {</span> |
| <span class="source-line-no">074</span><span id="line-74"> list.add(file);</span> |
| <span class="source-line-no">075</span><span id="line-75"> } else {</span> |
| <span class="source-line-no">076</span><span id="line-76"> LOG.warn("Can't find file: " + file);</span> |
| <span class="source-line-no">077</span><span id="line-77"> }</span> |
| <span class="source-line-no">078</span><span id="line-78"> }</span> |
| <span class="source-line-no">079</span><span id="line-79"> return list;</span> |
| <span class="source-line-no">080</span><span id="line-80"> }</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"> * Check if a given path is belongs to active WAL directory</span> |
| <span class="source-line-no">084</span><span id="line-84"> * @param p path</span> |
| <span class="source-line-no">085</span><span id="line-85"> * @return true, if yes</span> |
| <span class="source-line-no">086</span><span id="line-86"> */</span> |
| <span class="source-line-no">087</span><span id="line-87"> protected boolean isActiveWalPath(Path p) {</span> |
| <span class="source-line-no">088</span><span id="line-88"> return !AbstractFSWALProvider.isArchivedLogFile(p);</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"> protected static int getIndex(TableName tbl, List<TableName> sTableList) {</span> |
| <span class="source-line-no">092</span><span id="line-92"> if (sTableList == null) {</span> |
| <span class="source-line-no">093</span><span id="line-93"> return 0;</span> |
| <span class="source-line-no">094</span><span id="line-94"> }</span> |
| <span class="source-line-no">095</span><span id="line-95"></span> |
| <span class="source-line-no">096</span><span id="line-96"> for (int i = 0; i < sTableList.size(); i++) {</span> |
| <span class="source-line-no">097</span><span id="line-97"> if (tbl.equals(sTableList.get(i))) {</span> |
| <span class="source-line-no">098</span><span id="line-98"> return i;</span> |
| <span class="source-line-no">099</span><span id="line-99"> }</span> |
| <span class="source-line-no">100</span><span id="line-100"> }</span> |
| <span class="source-line-no">101</span><span id="line-101"> return -1;</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"> * Reads bulk load records from backup table, iterates through the records and forms the paths for</span> |
| <span class="source-line-no">106</span><span id="line-106"> * bulk loaded hfiles. Copies the bulk loaded hfiles to backup destination</span> |
| <span class="source-line-no">107</span><span id="line-107"> * @param sTableList list of tables to be backed up</span> |
| <span class="source-line-no">108</span><span id="line-108"> * @return map of table to List of files</span> |
| <span class="source-line-no">109</span><span id="line-109"> */</span> |
| <span class="source-line-no">110</span><span id="line-110"> @SuppressWarnings("unchecked")</span> |
| <span class="source-line-no">111</span><span id="line-111"> protected Map<byte[], List<Path>>[] handleBulkLoad(List<TableName> sTableList)</span> |
| <span class="source-line-no">112</span><span id="line-112"> throws IOException {</span> |
| <span class="source-line-no">113</span><span id="line-113"> Map<byte[], List<Path>>[] mapForSrc = new Map[sTableList.size()];</span> |
| <span class="source-line-no">114</span><span id="line-114"> List<String> activeFiles = new ArrayList<>();</span> |
| <span class="source-line-no">115</span><span id="line-115"> List<String> archiveFiles = new ArrayList<>();</span> |
| <span class="source-line-no">116</span><span id="line-116"> Pair<Map<TableName, Map<String, Map<String, List<Pair<String, Boolean>>>>>, List<byte[]>> pair =</span> |
| <span class="source-line-no">117</span><span id="line-117"> backupManager.readBulkloadRows(sTableList);</span> |
| <span class="source-line-no">118</span><span id="line-118"> Map<TableName, Map<String, Map<String, List<Pair<String, Boolean>>>>> map = pair.getFirst();</span> |
| <span class="source-line-no">119</span><span id="line-119"> FileSystem tgtFs;</span> |
| <span class="source-line-no">120</span><span id="line-120"> try {</span> |
| <span class="source-line-no">121</span><span id="line-121"> tgtFs = FileSystem.get(new URI(backupInfo.getBackupRootDir()), conf);</span> |
| <span class="source-line-no">122</span><span id="line-122"> } catch (URISyntaxException use) {</span> |
| <span class="source-line-no">123</span><span id="line-123"> throw new IOException("Unable to get FileSystem", use);</span> |
| <span class="source-line-no">124</span><span id="line-124"> }</span> |
| <span class="source-line-no">125</span><span id="line-125"> Path rootdir = CommonFSUtils.getRootDir(conf);</span> |
| <span class="source-line-no">126</span><span id="line-126"> Path tgtRoot = new Path(new Path(backupInfo.getBackupRootDir()), backupId);</span> |
| <span class="source-line-no">127</span><span id="line-127"></span> |
| <span class="source-line-no">128</span><span id="line-128"> for (Map.Entry<TableName, Map<String, Map<String, List<Pair<String, Boolean>>>>> tblEntry : map</span> |
| <span class="source-line-no">129</span><span id="line-129"> .entrySet()) {</span> |
| <span class="source-line-no">130</span><span id="line-130"> TableName srcTable = tblEntry.getKey();</span> |
| <span class="source-line-no">131</span><span id="line-131"></span> |
| <span class="source-line-no">132</span><span id="line-132"> int srcIdx = getIndex(srcTable, sTableList);</span> |
| <span class="source-line-no">133</span><span id="line-133"> if (srcIdx < 0) {</span> |
| <span class="source-line-no">134</span><span id="line-134"> LOG.warn("Couldn't find " + srcTable + " in source table List");</span> |
| <span class="source-line-no">135</span><span id="line-135"> continue;</span> |
| <span class="source-line-no">136</span><span id="line-136"> }</span> |
| <span class="source-line-no">137</span><span id="line-137"> if (mapForSrc[srcIdx] == null) {</span> |
| <span class="source-line-no">138</span><span id="line-138"> mapForSrc[srcIdx] = new TreeMap<>(Bytes.BYTES_COMPARATOR);</span> |
| <span class="source-line-no">139</span><span id="line-139"> }</span> |
| <span class="source-line-no">140</span><span id="line-140"> Path tblDir = CommonFSUtils.getTableDir(rootdir, srcTable);</span> |
| <span class="source-line-no">141</span><span id="line-141"> Path tgtTable = new Path(new Path(tgtRoot, srcTable.getNamespaceAsString()),</span> |
| <span class="source-line-no">142</span><span id="line-142"> srcTable.getQualifierAsString());</span> |
| <span class="source-line-no">143</span><span id="line-143"> for (Map.Entry<String, Map<String, List<Pair<String, Boolean>>>> regionEntry : tblEntry</span> |
| <span class="source-line-no">144</span><span id="line-144"> .getValue().entrySet()) {</span> |
| <span class="source-line-no">145</span><span id="line-145"> String regionName = regionEntry.getKey();</span> |
| <span class="source-line-no">146</span><span id="line-146"> Path regionDir = new Path(tblDir, regionName);</span> |
| <span class="source-line-no">147</span><span id="line-147"> // map from family to List of hfiles</span> |
| <span class="source-line-no">148</span><span id="line-148"> for (Map.Entry<String, List<Pair<String, Boolean>>> famEntry : regionEntry.getValue()</span> |
| <span class="source-line-no">149</span><span id="line-149"> .entrySet()) {</span> |
| <span class="source-line-no">150</span><span id="line-150"> String fam = famEntry.getKey();</span> |
| <span class="source-line-no">151</span><span id="line-151"> Path famDir = new Path(regionDir, fam);</span> |
| <span class="source-line-no">152</span><span id="line-152"> List<Path> files;</span> |
| <span class="source-line-no">153</span><span id="line-153"> if (!mapForSrc[srcIdx].containsKey(Bytes.toBytes(fam))) {</span> |
| <span class="source-line-no">154</span><span id="line-154"> files = new ArrayList<>();</span> |
| <span class="source-line-no">155</span><span id="line-155"> mapForSrc[srcIdx].put(Bytes.toBytes(fam), files);</span> |
| <span class="source-line-no">156</span><span id="line-156"> } else {</span> |
| <span class="source-line-no">157</span><span id="line-157"> files = mapForSrc[srcIdx].get(Bytes.toBytes(fam));</span> |
| <span class="source-line-no">158</span><span id="line-158"> }</span> |
| <span class="source-line-no">159</span><span id="line-159"> Path archiveDir = HFileArchiveUtil.getStoreArchivePath(conf, srcTable, regionName, fam);</span> |
| <span class="source-line-no">160</span><span id="line-160"> String tblName = srcTable.getQualifierAsString();</span> |
| <span class="source-line-no">161</span><span id="line-161"> Path tgtFam = new Path(new Path(tgtTable, regionName), fam);</span> |
| <span class="source-line-no">162</span><span id="line-162"> if (!tgtFs.mkdirs(tgtFam)) {</span> |
| <span class="source-line-no">163</span><span id="line-163"> throw new IOException("couldn't create " + tgtFam);</span> |
| <span class="source-line-no">164</span><span id="line-164"> }</span> |
| <span class="source-line-no">165</span><span id="line-165"> for (Pair<String, Boolean> fileWithState : famEntry.getValue()) {</span> |
| <span class="source-line-no">166</span><span id="line-166"> String file = fileWithState.getFirst();</span> |
| <span class="source-line-no">167</span><span id="line-167"> int idx = file.lastIndexOf("/");</span> |
| <span class="source-line-no">168</span><span id="line-168"> String filename = file;</span> |
| <span class="source-line-no">169</span><span id="line-169"> if (idx > 0) {</span> |
| <span class="source-line-no">170</span><span id="line-170"> filename = file.substring(idx + 1);</span> |
| <span class="source-line-no">171</span><span id="line-171"> }</span> |
| <span class="source-line-no">172</span><span id="line-172"> Path p = new Path(famDir, filename);</span> |
| <span class="source-line-no">173</span><span id="line-173"> Path tgt = new Path(tgtFam, filename);</span> |
| <span class="source-line-no">174</span><span id="line-174"> Path archive = new Path(archiveDir, filename);</span> |
| <span class="source-line-no">175</span><span id="line-175"> if (fs.exists(p)) {</span> |
| <span class="source-line-no">176</span><span id="line-176"> if (LOG.isTraceEnabled()) {</span> |
| <span class="source-line-no">177</span><span id="line-177"> LOG.trace("found bulk hfile " + file + " in " + famDir + " for " + tblName);</span> |
| <span class="source-line-no">178</span><span id="line-178"> }</span> |
| <span class="source-line-no">179</span><span id="line-179"> if (LOG.isTraceEnabled()) {</span> |
| <span class="source-line-no">180</span><span id="line-180"> LOG.trace("copying " + p + " to " + tgt);</span> |
| <span class="source-line-no">181</span><span id="line-181"> }</span> |
| <span class="source-line-no">182</span><span id="line-182"> activeFiles.add(p.toString());</span> |
| <span class="source-line-no">183</span><span id="line-183"> } else if (fs.exists(archive)) {</span> |
| <span class="source-line-no">184</span><span id="line-184"> LOG.debug("copying archive " + archive + " to " + tgt);</span> |
| <span class="source-line-no">185</span><span id="line-185"> archiveFiles.add(archive.toString());</span> |
| <span class="source-line-no">186</span><span id="line-186"> }</span> |
| <span class="source-line-no">187</span><span id="line-187"> files.add(tgt);</span> |
| <span class="source-line-no">188</span><span id="line-188"> }</span> |
| <span class="source-line-no">189</span><span id="line-189"> }</span> |
| <span class="source-line-no">190</span><span id="line-190"> }</span> |
| <span class="source-line-no">191</span><span id="line-191"> }</span> |
| <span class="source-line-no">192</span><span id="line-192"></span> |
| <span class="source-line-no">193</span><span id="line-193"> copyBulkLoadedFiles(activeFiles, archiveFiles);</span> |
| <span class="source-line-no">194</span><span id="line-194"> backupManager.deleteBulkLoadedRows(pair.getSecond());</span> |
| <span class="source-line-no">195</span><span id="line-195"> return mapForSrc;</span> |
| <span class="source-line-no">196</span><span id="line-196"> }</span> |
| <span class="source-line-no">197</span><span id="line-197"></span> |
| <span class="source-line-no">198</span><span id="line-198"> private void copyBulkLoadedFiles(List<String> activeFiles, List<String> archiveFiles)</span> |
| <span class="source-line-no">199</span><span id="line-199"> throws IOException {</span> |
| <span class="source-line-no">200</span><span id="line-200"> try {</span> |
| <span class="source-line-no">201</span><span id="line-201"> // Enable special mode of BackupDistCp</span> |
| <span class="source-line-no">202</span><span id="line-202"> conf.setInt(MapReduceBackupCopyJob.NUMBER_OF_LEVELS_TO_PRESERVE_KEY, 5);</span> |
| <span class="source-line-no">203</span><span id="line-203"> // Copy active files</span> |
| <span class="source-line-no">204</span><span id="line-204"> String tgtDest = backupInfo.getBackupRootDir() + Path.SEPARATOR + backupInfo.getBackupId();</span> |
| <span class="source-line-no">205</span><span id="line-205"> int attempt = 1;</span> |
| <span class="source-line-no">206</span><span id="line-206"> while (activeFiles.size() > 0) {</span> |
| <span class="source-line-no">207</span><span id="line-207"> LOG.info("Copy " + activeFiles.size() + " active bulk loaded files. Attempt =" + attempt++);</span> |
| <span class="source-line-no">208</span><span id="line-208"> String[] toCopy = new String[activeFiles.size()];</span> |
| <span class="source-line-no">209</span><span id="line-209"> activeFiles.toArray(toCopy);</span> |
| <span class="source-line-no">210</span><span id="line-210"> // Active file can be archived during copy operation,</span> |
| <span class="source-line-no">211</span><span id="line-211"> // we need to handle this properly</span> |
| <span class="source-line-no">212</span><span id="line-212"> try {</span> |
| <span class="source-line-no">213</span><span id="line-213"> incrementalCopyHFiles(toCopy, tgtDest);</span> |
| <span class="source-line-no">214</span><span id="line-214"> break;</span> |
| <span class="source-line-no">215</span><span id="line-215"> } catch (IOException e) {</span> |
| <span class="source-line-no">216</span><span id="line-216"> // Check if some files got archived</span> |
| <span class="source-line-no">217</span><span id="line-217"> // Update active and archived lists</span> |
| <span class="source-line-no">218</span><span id="line-218"> // When file is being moved from active to archive</span> |
| <span class="source-line-no">219</span><span id="line-219"> // directory, the number of active files decreases</span> |
| <span class="source-line-no">220</span><span id="line-220"> int numOfActive = activeFiles.size();</span> |
| <span class="source-line-no">221</span><span id="line-221"> updateFileLists(activeFiles, archiveFiles);</span> |
| <span class="source-line-no">222</span><span id="line-222"> if (activeFiles.size() < numOfActive) {</span> |
| <span class="source-line-no">223</span><span id="line-223"> continue;</span> |
| <span class="source-line-no">224</span><span id="line-224"> }</span> |
| <span class="source-line-no">225</span><span id="line-225"> // if not - throw exception</span> |
| <span class="source-line-no">226</span><span id="line-226"> throw e;</span> |
| <span class="source-line-no">227</span><span id="line-227"> }</span> |
| <span class="source-line-no">228</span><span id="line-228"> }</span> |
| <span class="source-line-no">229</span><span id="line-229"> // If incremental copy will fail for archived files</span> |
| <span class="source-line-no">230</span><span id="line-230"> // we will have partially loaded files in backup destination (only files from active data</span> |
| <span class="source-line-no">231</span><span id="line-231"> // directory). It is OK, because the backup will marked as FAILED and data will be cleaned up</span> |
| <span class="source-line-no">232</span><span id="line-232"> if (archiveFiles.size() > 0) {</span> |
| <span class="source-line-no">233</span><span id="line-233"> String[] toCopy = new String[archiveFiles.size()];</span> |
| <span class="source-line-no">234</span><span id="line-234"> archiveFiles.toArray(toCopy);</span> |
| <span class="source-line-no">235</span><span id="line-235"> incrementalCopyHFiles(toCopy, tgtDest);</span> |
| <span class="source-line-no">236</span><span id="line-236"> }</span> |
| <span class="source-line-no">237</span><span id="line-237"> } finally {</span> |
| <span class="source-line-no">238</span><span id="line-238"> // Disable special mode of BackupDistCp</span> |
| <span class="source-line-no">239</span><span id="line-239"> conf.unset(MapReduceBackupCopyJob.NUMBER_OF_LEVELS_TO_PRESERVE_KEY);</span> |
| <span class="source-line-no">240</span><span id="line-240"> }</span> |
| <span class="source-line-no">241</span><span id="line-241"> }</span> |
| <span class="source-line-no">242</span><span id="line-242"></span> |
| <span class="source-line-no">243</span><span id="line-243"> private void updateFileLists(List<String> activeFiles, List<String> archiveFiles)</span> |
| <span class="source-line-no">244</span><span id="line-244"> throws IOException {</span> |
| <span class="source-line-no">245</span><span id="line-245"> List<String> newlyArchived = new ArrayList<>();</span> |
| <span class="source-line-no">246</span><span id="line-246"></span> |
| <span class="source-line-no">247</span><span id="line-247"> for (String spath : activeFiles) {</span> |
| <span class="source-line-no">248</span><span id="line-248"> if (!fs.exists(new Path(spath))) {</span> |
| <span class="source-line-no">249</span><span id="line-249"> newlyArchived.add(spath);</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"></span> |
| <span class="source-line-no">253</span><span id="line-253"> if (newlyArchived.size() > 0) {</span> |
| <span class="source-line-no">254</span><span id="line-254"> activeFiles.removeAll(newlyArchived);</span> |
| <span class="source-line-no">255</span><span id="line-255"> archiveFiles.addAll(newlyArchived);</span> |
| <span class="source-line-no">256</span><span id="line-256"> }</span> |
| <span class="source-line-no">257</span><span id="line-257"></span> |
| <span class="source-line-no">258</span><span id="line-258"> LOG.debug(newlyArchived.size() + " files have been archived.");</span> |
| <span class="source-line-no">259</span><span id="line-259"> }</span> |
| <span class="source-line-no">260</span><span id="line-260"></span> |
| <span class="source-line-no">261</span><span id="line-261"> @Override</span> |
| <span class="source-line-no">262</span><span id="line-262"> public void execute() throws IOException {</span> |
| <span class="source-line-no">263</span><span id="line-263"> try {</span> |
| <span class="source-line-no">264</span><span id="line-264"> // case PREPARE_INCREMENTAL:</span> |
| <span class="source-line-no">265</span><span id="line-265"> beginBackup(backupManager, backupInfo);</span> |
| <span class="source-line-no">266</span><span id="line-266"> backupInfo.setPhase(BackupPhase.PREPARE_INCREMENTAL);</span> |
| <span class="source-line-no">267</span><span id="line-267"> LOG.debug("For incremental backup, current table set is "</span> |
| <span class="source-line-no">268</span><span id="line-268"> + backupManager.getIncrementalBackupTableSet());</span> |
| <span class="source-line-no">269</span><span id="line-269"> newTimestamps = ((IncrementalBackupManager) backupManager).getIncrBackupLogFileMap();</span> |
| <span class="source-line-no">270</span><span id="line-270"> } catch (Exception e) {</span> |
| <span class="source-line-no">271</span><span id="line-271"> // fail the overall backup and return</span> |
| <span class="source-line-no">272</span><span id="line-272"> failBackup(conn, backupInfo, backupManager, e, "Unexpected Exception : ",</span> |
| <span class="source-line-no">273</span><span id="line-273"> BackupType.INCREMENTAL, conf);</span> |
| <span class="source-line-no">274</span><span id="line-274"> throw new IOException(e);</span> |
| <span class="source-line-no">275</span><span id="line-275"> }</span> |
| <span class="source-line-no">276</span><span id="line-276"></span> |
| <span class="source-line-no">277</span><span id="line-277"> // case INCREMENTAL_COPY:</span> |
| <span class="source-line-no">278</span><span id="line-278"> try {</span> |
| <span class="source-line-no">279</span><span id="line-279"> // copy out the table and region info files for each table</span> |
| <span class="source-line-no">280</span><span id="line-280"> BackupUtils.copyTableRegionInfo(conn, backupInfo, conf);</span> |
| <span class="source-line-no">281</span><span id="line-281"> // convert WAL to HFiles and copy them to .tmp under BACKUP_ROOT</span> |
| <span class="source-line-no">282</span><span id="line-282"> convertWALsToHFiles();</span> |
| <span class="source-line-no">283</span><span id="line-283"> incrementalCopyHFiles(new String[] { getBulkOutputDir().toString() },</span> |
| <span class="source-line-no">284</span><span id="line-284"> backupInfo.getBackupRootDir());</span> |
| <span class="source-line-no">285</span><span id="line-285"> } catch (Exception e) {</span> |
| <span class="source-line-no">286</span><span id="line-286"> String msg = "Unexpected exception in incremental-backup: incremental copy " + backupId;</span> |
| <span class="source-line-no">287</span><span id="line-287"> // fail the overall backup and return</span> |
| <span class="source-line-no">288</span><span id="line-288"> failBackup(conn, backupInfo, backupManager, e, msg, BackupType.INCREMENTAL, conf);</span> |
| <span class="source-line-no">289</span><span id="line-289"> throw new IOException(e);</span> |
| <span class="source-line-no">290</span><span id="line-290"> }</span> |
| <span class="source-line-no">291</span><span id="line-291"> // case INCR_BACKUP_COMPLETE:</span> |
| <span class="source-line-no">292</span><span id="line-292"> // set overall backup status: complete. Here we make sure to complete the backup.</span> |
| <span class="source-line-no">293</span><span id="line-293"> // After this checkpoint, even if entering cancel process, will let the backup finished</span> |
| <span class="source-line-no">294</span><span id="line-294"> try {</span> |
| <span class="source-line-no">295</span><span id="line-295"> // Set the previousTimestampMap which is before this current log roll to the manifest.</span> |
| <span class="source-line-no">296</span><span id="line-296"> Map<TableName, Map<String, Long>> previousTimestampMap = backupManager.readLogTimestampMap();</span> |
| <span class="source-line-no">297</span><span id="line-297"> backupInfo.setIncrTimestampMap(previousTimestampMap);</span> |
| <span class="source-line-no">298</span><span id="line-298"></span> |
| <span class="source-line-no">299</span><span id="line-299"> // The table list in backupInfo is good for both full backup and incremental backup.</span> |
| <span class="source-line-no">300</span><span id="line-300"> // For incremental backup, it contains the incremental backup table set.</span> |
| <span class="source-line-no">301</span><span id="line-301"> backupManager.writeRegionServerLogTimestamp(backupInfo.getTables(), newTimestamps);</span> |
| <span class="source-line-no">302</span><span id="line-302"></span> |
| <span class="source-line-no">303</span><span id="line-303"> Map<TableName, Map<String, Long>> newTableSetTimestampMap =</span> |
| <span class="source-line-no">304</span><span id="line-304"> backupManager.readLogTimestampMap();</span> |
| <span class="source-line-no">305</span><span id="line-305"></span> |
| <span class="source-line-no">306</span><span id="line-306"> backupInfo.setTableSetTimestampMap(newTableSetTimestampMap);</span> |
| <span class="source-line-no">307</span><span id="line-307"> Long newStartCode =</span> |
| <span class="source-line-no">308</span><span id="line-308"> BackupUtils.getMinValue(BackupUtils.getRSLogTimestampMins(newTableSetTimestampMap));</span> |
| <span class="source-line-no">309</span><span id="line-309"> backupManager.writeBackupStartCode(newStartCode);</span> |
| <span class="source-line-no">310</span><span id="line-310"></span> |
| <span class="source-line-no">311</span><span id="line-311"> handleBulkLoad(backupInfo.getTableNames());</span> |
| <span class="source-line-no">312</span><span id="line-312"> // backup complete</span> |
| <span class="source-line-no">313</span><span id="line-313"> completeBackup(conn, backupInfo, BackupType.INCREMENTAL, conf);</span> |
| <span class="source-line-no">314</span><span id="line-314"></span> |
| <span class="source-line-no">315</span><span id="line-315"> } catch (IOException e) {</span> |
| <span class="source-line-no">316</span><span id="line-316"> failBackup(conn, backupInfo, backupManager, e, "Unexpected Exception : ",</span> |
| <span class="source-line-no">317</span><span id="line-317"> BackupType.INCREMENTAL, conf);</span> |
| <span class="source-line-no">318</span><span id="line-318"> throw new IOException(e);</span> |
| <span class="source-line-no">319</span><span id="line-319"> }</span> |
| <span class="source-line-no">320</span><span id="line-320"> }</span> |
| <span class="source-line-no">321</span><span id="line-321"></span> |
| <span class="source-line-no">322</span><span id="line-322"> protected void incrementalCopyHFiles(String[] files, String backupDest) throws IOException {</span> |
| <span class="source-line-no">323</span><span id="line-323"> try {</span> |
| <span class="source-line-no">324</span><span id="line-324"> LOG.debug("Incremental copy HFiles is starting. dest=" + backupDest);</span> |
| <span class="source-line-no">325</span><span id="line-325"> // set overall backup phase: incremental_copy</span> |
| <span class="source-line-no">326</span><span id="line-326"> backupInfo.setPhase(BackupPhase.INCREMENTAL_COPY);</span> |
| <span class="source-line-no">327</span><span id="line-327"> // get incremental backup file list and prepare parms for DistCp</span> |
| <span class="source-line-no">328</span><span id="line-328"> String[] strArr = new String[files.length + 1];</span> |
| <span class="source-line-no">329</span><span id="line-329"> System.arraycopy(files, 0, strArr, 0, files.length);</span> |
| <span class="source-line-no">330</span><span id="line-330"> strArr[strArr.length - 1] = backupDest;</span> |
| <span class="source-line-no">331</span><span id="line-331"></span> |
| <span class="source-line-no">332</span><span id="line-332"> String jobname = "Incremental_Backup-HFileCopy-" + backupInfo.getBackupId();</span> |
| <span class="source-line-no">333</span><span id="line-333"> if (LOG.isDebugEnabled()) {</span> |
| <span class="source-line-no">334</span><span id="line-334"> LOG.debug("Setting incremental copy HFiles job name to : " + jobname);</span> |
| <span class="source-line-no">335</span><span id="line-335"> }</span> |
| <span class="source-line-no">336</span><span id="line-336"> conf.set(JOB_NAME_CONF_KEY, jobname);</span> |
| <span class="source-line-no">337</span><span id="line-337"></span> |
| <span class="source-line-no">338</span><span id="line-338"> BackupCopyJob copyService = BackupRestoreFactory.getBackupCopyJob(conf);</span> |
| <span class="source-line-no">339</span><span id="line-339"> int res = copyService.copy(backupInfo, backupManager, conf, BackupType.INCREMENTAL, strArr);</span> |
| <span class="source-line-no">340</span><span id="line-340"> if (res != 0) {</span> |
| <span class="source-line-no">341</span><span id="line-341"> LOG.error("Copy incremental HFile files failed with return code: " + res + ".");</span> |
| <span class="source-line-no">342</span><span id="line-342"> throw new IOException(</span> |
| <span class="source-line-no">343</span><span id="line-343"> "Failed copy from " + StringUtils.join(files, ',') + " to " + backupDest);</span> |
| <span class="source-line-no">344</span><span id="line-344"> }</span> |
| <span class="source-line-no">345</span><span id="line-345"> LOG.debug("Incremental copy HFiles from " + StringUtils.join(files, ',') + " to " + backupDest</span> |
| <span class="source-line-no">346</span><span id="line-346"> + " finished.");</span> |
| <span class="source-line-no">347</span><span id="line-347"> } finally {</span> |
| <span class="source-line-no">348</span><span id="line-348"> deleteBulkLoadDirectory();</span> |
| <span class="source-line-no">349</span><span id="line-349"> }</span> |
| <span class="source-line-no">350</span><span id="line-350"> }</span> |
| <span class="source-line-no">351</span><span id="line-351"></span> |
| <span class="source-line-no">352</span><span id="line-352"> protected void deleteBulkLoadDirectory() throws IOException {</span> |
| <span class="source-line-no">353</span><span id="line-353"> // delete original bulk load directory on method exit</span> |
| <span class="source-line-no">354</span><span id="line-354"> Path path = getBulkOutputDir();</span> |
| <span class="source-line-no">355</span><span id="line-355"> FileSystem fs = FileSystem.get(path.toUri(), conf);</span> |
| <span class="source-line-no">356</span><span id="line-356"> boolean result = fs.delete(path, true);</span> |
| <span class="source-line-no">357</span><span id="line-357"> if (!result) {</span> |
| <span class="source-line-no">358</span><span id="line-358"> LOG.warn("Could not delete " + path);</span> |
| <span class="source-line-no">359</span><span id="line-359"> }</span> |
| <span class="source-line-no">360</span><span id="line-360"> }</span> |
| <span class="source-line-no">361</span><span id="line-361"></span> |
| <span class="source-line-no">362</span><span id="line-362"> protected void convertWALsToHFiles() throws IOException {</span> |
| <span class="source-line-no">363</span><span id="line-363"> // get incremental backup file list and prepare parameters for DistCp</span> |
| <span class="source-line-no">364</span><span id="line-364"> List<String> incrBackupFileList = backupInfo.getIncrBackupFileList();</span> |
| <span class="source-line-no">365</span><span id="line-365"> // Get list of tables in incremental backup set</span> |
| <span class="source-line-no">366</span><span id="line-366"> Set<TableName> tableSet = backupManager.getIncrementalBackupTableSet();</span> |
| <span class="source-line-no">367</span><span id="line-367"> // filter missing files out (they have been copied by previous backups)</span> |
| <span class="source-line-no">368</span><span id="line-368"> incrBackupFileList = filterMissingFiles(incrBackupFileList);</span> |
| <span class="source-line-no">369</span><span id="line-369"> List<String> tableList = new ArrayList<String>();</span> |
| <span class="source-line-no">370</span><span id="line-370"> for (TableName table : tableSet) {</span> |
| <span class="source-line-no">371</span><span id="line-371"> // Check if table exists</span> |
| <span class="source-line-no">372</span><span id="line-372"> if (tableExists(table, conn)) {</span> |
| <span class="source-line-no">373</span><span id="line-373"> tableList.add(table.getNameAsString());</span> |
| <span class="source-line-no">374</span><span id="line-374"> } else {</span> |
| <span class="source-line-no">375</span><span id="line-375"> LOG.warn("Table " + table + " does not exists. Skipping in WAL converter");</span> |
| <span class="source-line-no">376</span><span id="line-376"> }</span> |
| <span class="source-line-no">377</span><span id="line-377"> }</span> |
| <span class="source-line-no">378</span><span id="line-378"> walToHFiles(incrBackupFileList, tableList);</span> |
| <span class="source-line-no">379</span><span id="line-379"></span> |
| <span class="source-line-no">380</span><span id="line-380"> }</span> |
| <span class="source-line-no">381</span><span id="line-381"></span> |
| <span class="source-line-no">382</span><span id="line-382"> protected boolean tableExists(TableName table, Connection conn) throws IOException {</span> |
| <span class="source-line-no">383</span><span id="line-383"> try (Admin admin = conn.getAdmin()) {</span> |
| <span class="source-line-no">384</span><span id="line-384"> return admin.tableExists(table);</span> |
| <span class="source-line-no">385</span><span id="line-385"> }</span> |
| <span class="source-line-no">386</span><span id="line-386"> }</span> |
| <span class="source-line-no">387</span><span id="line-387"></span> |
| <span class="source-line-no">388</span><span id="line-388"> protected void walToHFiles(List<String> dirPaths, List<String> tableList) throws IOException {</span> |
| <span class="source-line-no">389</span><span id="line-389"> Tool player = new WALPlayer();</span> |
| <span class="source-line-no">390</span><span id="line-390"></span> |
| <span class="source-line-no">391</span><span id="line-391"> // Player reads all files in arbitrary directory structure and creates</span> |
| <span class="source-line-no">392</span><span id="line-392"> // a Map task for each file. We use ';' as separator</span> |
| <span class="source-line-no">393</span><span id="line-393"> // because WAL file names contains ','</span> |
| <span class="source-line-no">394</span><span id="line-394"> String dirs = StringUtils.join(dirPaths, ';');</span> |
| <span class="source-line-no">395</span><span id="line-395"> String jobname = "Incremental_Backup-" + backupId;</span> |
| <span class="source-line-no">396</span><span id="line-396"></span> |
| <span class="source-line-no">397</span><span id="line-397"> Path bulkOutputPath = getBulkOutputDir();</span> |
| <span class="source-line-no">398</span><span id="line-398"> conf.set(WALPlayer.BULK_OUTPUT_CONF_KEY, bulkOutputPath.toString());</span> |
| <span class="source-line-no">399</span><span id="line-399"> conf.set(WALPlayer.INPUT_FILES_SEPARATOR_KEY, ";");</span> |
| <span class="source-line-no">400</span><span id="line-400"> conf.setBoolean(WALPlayer.MULTI_TABLES_SUPPORT, true);</span> |
| <span class="source-line-no">401</span><span id="line-401"> conf.set(JOB_NAME_CONF_KEY, jobname);</span> |
| <span class="source-line-no">402</span><span id="line-402"> String[] playerArgs = { dirs, StringUtils.join(tableList, ",") };</span> |
| <span class="source-line-no">403</span><span id="line-403"></span> |
| <span class="source-line-no">404</span><span id="line-404"> try {</span> |
| <span class="source-line-no">405</span><span id="line-405"> player.setConf(conf);</span> |
| <span class="source-line-no">406</span><span id="line-406"> int result = player.run(playerArgs);</span> |
| <span class="source-line-no">407</span><span id="line-407"> if (result != 0) {</span> |
| <span class="source-line-no">408</span><span id="line-408"> throw new IOException("WAL Player failed");</span> |
| <span class="source-line-no">409</span><span id="line-409"> }</span> |
| <span class="source-line-no">410</span><span id="line-410"> conf.unset(WALPlayer.INPUT_FILES_SEPARATOR_KEY);</span> |
| <span class="source-line-no">411</span><span id="line-411"> conf.unset(JOB_NAME_CONF_KEY);</span> |
| <span class="source-line-no">412</span><span id="line-412"> } catch (IOException e) {</span> |
| <span class="source-line-no">413</span><span id="line-413"> throw e;</span> |
| <span class="source-line-no">414</span><span id="line-414"> } catch (Exception ee) {</span> |
| <span class="source-line-no">415</span><span id="line-415"> throw new IOException("Can not convert from directory " + dirs</span> |
| <span class="source-line-no">416</span><span id="line-416"> + " (check Hadoop, HBase and WALPlayer M/R job logs) ", ee);</span> |
| <span class="source-line-no">417</span><span id="line-417"> }</span> |
| <span class="source-line-no">418</span><span id="line-418"> }</span> |
| <span class="source-line-no">419</span><span id="line-419"></span> |
| <span class="source-line-no">420</span><span id="line-420"> protected Path getBulkOutputDirForTable(TableName table) {</span> |
| <span class="source-line-no">421</span><span id="line-421"> Path tablePath = getBulkOutputDir();</span> |
| <span class="source-line-no">422</span><span id="line-422"> tablePath = new Path(tablePath, table.getNamespaceAsString());</span> |
| <span class="source-line-no">423</span><span id="line-423"> tablePath = new Path(tablePath, table.getQualifierAsString());</span> |
| <span class="source-line-no">424</span><span id="line-424"> return new Path(tablePath, "data");</span> |
| <span class="source-line-no">425</span><span id="line-425"> }</span> |
| <span class="source-line-no">426</span><span id="line-426"></span> |
| <span class="source-line-no">427</span><span id="line-427"> protected Path getBulkOutputDir() {</span> |
| <span class="source-line-no">428</span><span id="line-428"> String backupId = backupInfo.getBackupId();</span> |
| <span class="source-line-no">429</span><span id="line-429"> Path path = new Path(backupInfo.getBackupRootDir());</span> |
| <span class="source-line-no">430</span><span id="line-430"> path = new Path(path, ".tmp");</span> |
| <span class="source-line-no">431</span><span id="line-431"> path = new Path(path, backupId);</span> |
| <span class="source-line-no">432</span><span id="line-432"> return path;</span> |
| <span class="source-line-no">433</span><span id="line-433"> }</span> |
| <span class="source-line-no">434</span><span id="line-434">}</span> |
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| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
