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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.util;</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.IOException;</span> |
| <span class="source-line-no">021</span><span id="line-21">import java.util.ArrayList;</span> |
| <span class="source-line-no">022</span><span id="line-22">import java.util.Collection;</span> |
| <span class="source-line-no">023</span><span id="line-23">import java.util.HashMap;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.util.HashSet;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.util.List;</span> |
| <span class="source-line-no">026</span><span id="line-26">import java.util.Map;</span> |
| <span class="source-line-no">027</span><span id="line-27">import java.util.Set;</span> |
| <span class="source-line-no">028</span><span id="line-28">import java.util.SortedSet;</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 java.util.TreeSet;</span> |
| <span class="source-line-no">031</span><span id="line-31">import java.util.concurrent.ExecutionException;</span> |
| <span class="source-line-no">032</span><span id="line-32">import java.util.concurrent.Future;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.fs.FileSystem;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.fs.Path;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.HConstants;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.ServerName;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.client.RegionInfo;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.client.RegionInfoBuilder;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.client.TableDescriptor;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.hbase.regionserver.HRegion;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.hbase.tool.BulkLoadHFilesTool;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.hbase.util.hbck.TableIntegrityErrorHandler;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.hadoop.hbase.util.hbck.TableIntegrityErrorHandlerImpl;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.apache.yetus.audience.InterfaceStability;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.slf4j.Logger;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">050</span><span id="line-50"></span> |
| <span class="source-line-no">051</span><span id="line-51">import org.apache.hbase.thirdparty.com.google.common.base.Joiner;</span> |
| <span class="source-line-no">052</span><span id="line-52">import org.apache.hbase.thirdparty.com.google.common.base.Preconditions;</span> |
| <span class="source-line-no">053</span><span id="line-53">import org.apache.hbase.thirdparty.com.google.common.collect.ImmutableList;</span> |
| <span class="source-line-no">054</span><span id="line-54">import org.apache.hbase.thirdparty.com.google.common.collect.Multimap;</span> |
| <span class="source-line-no">055</span><span id="line-55">import org.apache.hbase.thirdparty.com.google.common.collect.Ordering;</span> |
| <span class="source-line-no">056</span><span id="line-56">import org.apache.hbase.thirdparty.com.google.common.collect.TreeMultimap;</span> |
| <span class="source-line-no">057</span><span id="line-57"></span> |
| <span class="source-line-no">058</span><span id="line-58">/**</span> |
| <span class="source-line-no">059</span><span id="line-59"> * Maintain information about a particular table.</span> |
| <span class="source-line-no">060</span><span id="line-60"> */</span> |
| <span class="source-line-no">061</span><span id="line-61">@InterfaceAudience.Private</span> |
| <span class="source-line-no">062</span><span id="line-62">@InterfaceStability.Evolving</span> |
| <span class="source-line-no">063</span><span id="line-63">public class HbckTableInfo {</span> |
| <span class="source-line-no">064</span><span id="line-64"> private static final Logger LOG = LoggerFactory.getLogger(HbckTableInfo.class.getName());</span> |
| <span class="source-line-no">065</span><span id="line-65"></span> |
| <span class="source-line-no">066</span><span id="line-66"> private static final String TO_BE_LOADED = "to_be_loaded";</span> |
| <span class="source-line-no">067</span><span id="line-67"></span> |
| <span class="source-line-no">068</span><span id="line-68"> TableName tableName;</span> |
| <span class="source-line-no">069</span><span id="line-69"> TreeSet<ServerName> deployedOn;</span> |
| <span class="source-line-no">070</span><span id="line-70"></span> |
| <span class="source-line-no">071</span><span id="line-71"> // backwards regions</span> |
| <span class="source-line-no">072</span><span id="line-72"> final List<HbckRegionInfo> backwards = new ArrayList<>();</span> |
| <span class="source-line-no">073</span><span id="line-73"></span> |
| <span class="source-line-no">074</span><span id="line-74"> // sidelined big overlapped regions</span> |
| <span class="source-line-no">075</span><span id="line-75"> final Map<Path, HbckRegionInfo> sidelinedRegions = new HashMap<>();</span> |
| <span class="source-line-no">076</span><span id="line-76"></span> |
| <span class="source-line-no">077</span><span id="line-77"> // region split calculator</span> |
| <span class="source-line-no">078</span><span id="line-78"> final RegionSplitCalculator<HbckRegionInfo> sc =</span> |
| <span class="source-line-no">079</span><span id="line-79"> new RegionSplitCalculator<>(HbckRegionInfo.COMPARATOR);</span> |
| <span class="source-line-no">080</span><span id="line-80"></span> |
| <span class="source-line-no">081</span><span id="line-81"> // Histogram of different TableDescriptors found. Ideally there is only one!</span> |
| <span class="source-line-no">082</span><span id="line-82"> final Set<TableDescriptor> htds = new HashSet<>();</span> |
| <span class="source-line-no">083</span><span id="line-83"></span> |
| <span class="source-line-no">084</span><span id="line-84"> // key = start split, values = set of splits in problem group</span> |
| <span class="source-line-no">085</span><span id="line-85"> final Multimap<byte[], HbckRegionInfo> overlapGroups =</span> |
| <span class="source-line-no">086</span><span id="line-86"> TreeMultimap.create(RegionSplitCalculator.BYTES_COMPARATOR, HbckRegionInfo.COMPARATOR);</span> |
| <span class="source-line-no">087</span><span id="line-87"></span> |
| <span class="source-line-no">088</span><span id="line-88"> // list of regions derived from meta entries.</span> |
| <span class="source-line-no">089</span><span id="line-89"> private ImmutableList<RegionInfo> regionsFromMeta = null;</span> |
| <span class="source-line-no">090</span><span id="line-90"></span> |
| <span class="source-line-no">091</span><span id="line-91"> HBaseFsck hbck;</span> |
| <span class="source-line-no">092</span><span id="line-92"></span> |
| <span class="source-line-no">093</span><span id="line-93"> HbckTableInfo(TableName name, HBaseFsck hbck) {</span> |
| <span class="source-line-no">094</span><span id="line-94"> this.tableName = name;</span> |
| <span class="source-line-no">095</span><span id="line-95"> this.hbck = hbck;</span> |
| <span class="source-line-no">096</span><span id="line-96"> deployedOn = new TreeSet<>();</span> |
| <span class="source-line-no">097</span><span id="line-97"> }</span> |
| <span class="source-line-no">098</span><span id="line-98"></span> |
| <span class="source-line-no">099</span><span id="line-99"> /** Returns descriptor common to all regions. null if are none or multiple! */</span> |
| <span class="source-line-no">100</span><span id="line-100"> TableDescriptor getTableDescriptor() {</span> |
| <span class="source-line-no">101</span><span id="line-101"> if (htds.size() == 1) {</span> |
| <span class="source-line-no">102</span><span id="line-102"> return (TableDescriptor) htds.toArray()[0];</span> |
| <span class="source-line-no">103</span><span id="line-103"> } else {</span> |
| <span class="source-line-no">104</span><span id="line-104"> LOG.error(</span> |
| <span class="source-line-no">105</span><span id="line-105"> "None/Multiple table descriptors found for table '" + tableName + "' regions: " + htds);</span> |
| <span class="source-line-no">106</span><span id="line-106"> }</span> |
| <span class="source-line-no">107</span><span id="line-107"> return null;</span> |
| <span class="source-line-no">108</span><span id="line-108"> }</span> |
| <span class="source-line-no">109</span><span id="line-109"></span> |
| <span class="source-line-no">110</span><span id="line-110"> public void addRegionInfo(HbckRegionInfo hir) {</span> |
| <span class="source-line-no">111</span><span id="line-111"> if (Bytes.equals(hir.getEndKey(), HConstants.EMPTY_END_ROW)) {</span> |
| <span class="source-line-no">112</span><span id="line-112"> // end key is absolute end key, just add it.</span> |
| <span class="source-line-no">113</span><span id="line-113"> // ignore replicas other than primary for these checks</span> |
| <span class="source-line-no">114</span><span id="line-114"> if (hir.getReplicaId() == RegionInfo.DEFAULT_REPLICA_ID) {</span> |
| <span class="source-line-no">115</span><span id="line-115"> sc.add(hir);</span> |
| <span class="source-line-no">116</span><span id="line-116"> }</span> |
| <span class="source-line-no">117</span><span id="line-117"> return;</span> |
| <span class="source-line-no">118</span><span id="line-118"> }</span> |
| <span class="source-line-no">119</span><span id="line-119"></span> |
| <span class="source-line-no">120</span><span id="line-120"> // if not the absolute end key, check for cycle</span> |
| <span class="source-line-no">121</span><span id="line-121"> if (Bytes.compareTo(hir.getStartKey(), hir.getEndKey()) > 0) {</span> |
| <span class="source-line-no">122</span><span id="line-122"> hbck.getErrors().reportError(HbckErrorReporter.ERROR_CODE.REGION_CYCLE,</span> |
| <span class="source-line-no">123</span><span id="line-123"> String.format(</span> |
| <span class="source-line-no">124</span><span id="line-124"> "The endkey for this region comes before the " + "startkey, startkey=%s, endkey=%s",</span> |
| <span class="source-line-no">125</span><span id="line-125"> Bytes.toStringBinary(hir.getStartKey()), Bytes.toStringBinary(hir.getEndKey())),</span> |
| <span class="source-line-no">126</span><span id="line-126"> this, hir);</span> |
| <span class="source-line-no">127</span><span id="line-127"> backwards.add(hir);</span> |
| <span class="source-line-no">128</span><span id="line-128"> return;</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"> // main case, add to split calculator</span> |
| <span class="source-line-no">132</span><span id="line-132"> // ignore replicas other than primary for these checks</span> |
| <span class="source-line-no">133</span><span id="line-133"> if (hir.getReplicaId() == RegionInfo.DEFAULT_REPLICA_ID) {</span> |
| <span class="source-line-no">134</span><span id="line-134"> sc.add(hir);</span> |
| <span class="source-line-no">135</span><span id="line-135"> }</span> |
| <span class="source-line-no">136</span><span id="line-136"> }</span> |
| <span class="source-line-no">137</span><span id="line-137"></span> |
| <span class="source-line-no">138</span><span id="line-138"> public void addServer(ServerName server) {</span> |
| <span class="source-line-no">139</span><span id="line-139"> this.deployedOn.add(server);</span> |
| <span class="source-line-no">140</span><span id="line-140"> }</span> |
| <span class="source-line-no">141</span><span id="line-141"></span> |
| <span class="source-line-no">142</span><span id="line-142"> public TableName getName() {</span> |
| <span class="source-line-no">143</span><span id="line-143"> return tableName;</span> |
| <span class="source-line-no">144</span><span id="line-144"> }</span> |
| <span class="source-line-no">145</span><span id="line-145"></span> |
| <span class="source-line-no">146</span><span id="line-146"> public int getNumRegions() {</span> |
| <span class="source-line-no">147</span><span id="line-147"> return sc.getStarts().size() + backwards.size();</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"> public synchronized ImmutableList<RegionInfo></span> |
| <span class="source-line-no">151</span><span id="line-151"> getRegionsFromMeta(TreeMap<String, HbckRegionInfo> regionInfoMap) {</span> |
| <span class="source-line-no">152</span><span id="line-152"> // lazy loaded, synchronized to ensure a single load</span> |
| <span class="source-line-no">153</span><span id="line-153"> if (regionsFromMeta == null) {</span> |
| <span class="source-line-no">154</span><span id="line-154"> List<RegionInfo> regions = new ArrayList<>();</span> |
| <span class="source-line-no">155</span><span id="line-155"> for (HbckRegionInfo h : regionInfoMap.values()) {</span> |
| <span class="source-line-no">156</span><span id="line-156"> if (tableName.equals(h.getTableName())) {</span> |
| <span class="source-line-no">157</span><span id="line-157"> if (h.getMetaEntry() != null) {</span> |
| <span class="source-line-no">158</span><span id="line-158"> regions.add(h.getMetaEntry().getRegionInfo());</span> |
| <span class="source-line-no">159</span><span id="line-159"> }</span> |
| <span class="source-line-no">160</span><span id="line-160"> }</span> |
| <span class="source-line-no">161</span><span id="line-161"> }</span> |
| <span class="source-line-no">162</span><span id="line-162"> regionsFromMeta = Ordering.from(RegionInfo.COMPARATOR).immutableSortedCopy(regions);</span> |
| <span class="source-line-no">163</span><span id="line-163"> }</span> |
| <span class="source-line-no">164</span><span id="line-164"></span> |
| <span class="source-line-no">165</span><span id="line-165"> return regionsFromMeta;</span> |
| <span class="source-line-no">166</span><span id="line-166"> }</span> |
| <span class="source-line-no">167</span><span id="line-167"></span> |
| <span class="source-line-no">168</span><span id="line-168"> class IntegrityFixSuggester extends TableIntegrityErrorHandlerImpl {</span> |
| <span class="source-line-no">169</span><span id="line-169"> HbckErrorReporter errors;</span> |
| <span class="source-line-no">170</span><span id="line-170"></span> |
| <span class="source-line-no">171</span><span id="line-171"> IntegrityFixSuggester(HbckTableInfo ti, HbckErrorReporter errors) {</span> |
| <span class="source-line-no">172</span><span id="line-172"> this.errors = errors;</span> |
| <span class="source-line-no">173</span><span id="line-173"> setTableInfo(ti);</span> |
| <span class="source-line-no">174</span><span id="line-174"> }</span> |
| <span class="source-line-no">175</span><span id="line-175"></span> |
| <span class="source-line-no">176</span><span id="line-176"> @Override</span> |
| <span class="source-line-no">177</span><span id="line-177"> public void handleRegionStartKeyNotEmpty(HbckRegionInfo hi) throws IOException {</span> |
| <span class="source-line-no">178</span><span id="line-178"> errors.reportError(HbckErrorReporter.ERROR_CODE.FIRST_REGION_STARTKEY_NOT_EMPTY,</span> |
| <span class="source-line-no">179</span><span id="line-179"> "First region should start with an empty key. You need to "</span> |
| <span class="source-line-no">180</span><span id="line-180"> + " create a new region and regioninfo in HDFS to plug the hole.",</span> |
| <span class="source-line-no">181</span><span id="line-181"> getTableInfo(), hi);</span> |
| <span class="source-line-no">182</span><span id="line-182"> }</span> |
| <span class="source-line-no">183</span><span id="line-183"></span> |
| <span class="source-line-no">184</span><span id="line-184"> @Override</span> |
| <span class="source-line-no">185</span><span id="line-185"> public void handleRegionEndKeyNotEmpty(byte[] curEndKey) throws IOException {</span> |
| <span class="source-line-no">186</span><span id="line-186"> errors.reportError(HbckErrorReporter.ERROR_CODE.LAST_REGION_ENDKEY_NOT_EMPTY,</span> |
| <span class="source-line-no">187</span><span id="line-187"> "Last region should end with an empty key. You need to "</span> |
| <span class="source-line-no">188</span><span id="line-188"> + "create a new region and regioninfo in HDFS to plug the hole.",</span> |
| <span class="source-line-no">189</span><span id="line-189"> getTableInfo());</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"> @Override</span> |
| <span class="source-line-no">193</span><span id="line-193"> public void handleDegenerateRegion(HbckRegionInfo hi) throws IOException {</span> |
| <span class="source-line-no">194</span><span id="line-194"> errors.reportError(HbckErrorReporter.ERROR_CODE.DEGENERATE_REGION,</span> |
| <span class="source-line-no">195</span><span id="line-195"> "Region has the same start and end key.", getTableInfo(), hi);</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"> @Override</span> |
| <span class="source-line-no">199</span><span id="line-199"> public void handleDuplicateStartKeys(HbckRegionInfo r1, HbckRegionInfo r2) throws IOException {</span> |
| <span class="source-line-no">200</span><span id="line-200"> byte[] key = r1.getStartKey();</span> |
| <span class="source-line-no">201</span><span id="line-201"> // dup start key</span> |
| <span class="source-line-no">202</span><span id="line-202"> errors.reportError(HbckErrorReporter.ERROR_CODE.DUPE_STARTKEYS,</span> |
| <span class="source-line-no">203</span><span id="line-203"> "Multiple regions have the same startkey: " + Bytes.toStringBinary(key), getTableInfo(),</span> |
| <span class="source-line-no">204</span><span id="line-204"> r1);</span> |
| <span class="source-line-no">205</span><span id="line-205"> errors.reportError(HbckErrorReporter.ERROR_CODE.DUPE_STARTKEYS,</span> |
| <span class="source-line-no">206</span><span id="line-206"> "Multiple regions have the same startkey: " + Bytes.toStringBinary(key), getTableInfo(),</span> |
| <span class="source-line-no">207</span><span id="line-207"> r2);</span> |
| <span class="source-line-no">208</span><span id="line-208"> }</span> |
| <span class="source-line-no">209</span><span id="line-209"></span> |
| <span class="source-line-no">210</span><span id="line-210"> @Override</span> |
| <span class="source-line-no">211</span><span id="line-211"> public void handleSplit(HbckRegionInfo r1, HbckRegionInfo r2) throws IOException {</span> |
| <span class="source-line-no">212</span><span id="line-212"> byte[] key = r1.getStartKey();</span> |
| <span class="source-line-no">213</span><span id="line-213"> // dup start key</span> |
| <span class="source-line-no">214</span><span id="line-214"> errors.reportError(HbckErrorReporter.ERROR_CODE.DUPE_ENDKEYS,</span> |
| <span class="source-line-no">215</span><span id="line-215"> "Multiple regions have the same regionID: " + Bytes.toStringBinary(key), getTableInfo(),</span> |
| <span class="source-line-no">216</span><span id="line-216"> r1);</span> |
| <span class="source-line-no">217</span><span id="line-217"> errors.reportError(HbckErrorReporter.ERROR_CODE.DUPE_ENDKEYS,</span> |
| <span class="source-line-no">218</span><span id="line-218"> "Multiple regions have the same regionID: " + Bytes.toStringBinary(key), getTableInfo(),</span> |
| <span class="source-line-no">219</span><span id="line-219"> r2);</span> |
| <span class="source-line-no">220</span><span id="line-220"> }</span> |
| <span class="source-line-no">221</span><span id="line-221"></span> |
| <span class="source-line-no">222</span><span id="line-222"> @Override</span> |
| <span class="source-line-no">223</span><span id="line-223"> public void handleOverlapInRegionChain(HbckRegionInfo hi1, HbckRegionInfo hi2)</span> |
| <span class="source-line-no">224</span><span id="line-224"> throws IOException {</span> |
| <span class="source-line-no">225</span><span id="line-225"> errors.reportError(HbckErrorReporter.ERROR_CODE.OVERLAP_IN_REGION_CHAIN,</span> |
| <span class="source-line-no">226</span><span id="line-226"> "There is an overlap in the region chain.", getTableInfo(), hi1, hi2);</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"> @Override</span> |
| <span class="source-line-no">230</span><span id="line-230"> public void handleHoleInRegionChain(byte[] holeStart, byte[] holeStop) throws IOException {</span> |
| <span class="source-line-no">231</span><span id="line-231"> errors.reportError(HbckErrorReporter.ERROR_CODE.HOLE_IN_REGION_CHAIN,</span> |
| <span class="source-line-no">232</span><span id="line-232"> "There is a hole in the region chain between " + Bytes.toStringBinary(holeStart) + " and "</span> |
| <span class="source-line-no">233</span><span id="line-233"> + Bytes.toStringBinary(holeStop) + ". You need to create a new .regioninfo and region "</span> |
| <span class="source-line-no">234</span><span id="line-234"> + "dir in hdfs to plug the hole.");</span> |
| <span class="source-line-no">235</span><span id="line-235"> }</span> |
| <span class="source-line-no">236</span><span id="line-236"> }</span> |
| <span class="source-line-no">237</span><span id="line-237"></span> |
| <span class="source-line-no">238</span><span id="line-238"> /**</span> |
| <span class="source-line-no">239</span><span id="line-239"> * This handler fixes integrity errors from hdfs information. There are basically three classes of</span> |
| <span class="source-line-no">240</span><span id="line-240"> * integrity problems 1) holes, 2) overlaps, and 3) invalid regions. This class overrides methods</span> |
| <span class="source-line-no">241</span><span id="line-241"> * that fix holes and the overlap group case. Individual cases of particular overlaps are handled</span> |
| <span class="source-line-no">242</span><span id="line-242"> * by the general overlap group merge repair case. If hbase is online, this forces regions offline</span> |
| <span class="source-line-no">243</span><span id="line-243"> * before doing merge operations.</span> |
| <span class="source-line-no">244</span><span id="line-244"> */</span> |
| <span class="source-line-no">245</span><span id="line-245"> class HDFSIntegrityFixer extends IntegrityFixSuggester {</span> |
| <span class="source-line-no">246</span><span id="line-246"> Configuration conf;</span> |
| <span class="source-line-no">247</span><span id="line-247"></span> |
| <span class="source-line-no">248</span><span id="line-248"> boolean fixOverlaps = true;</span> |
| <span class="source-line-no">249</span><span id="line-249"></span> |
| <span class="source-line-no">250</span><span id="line-250"> HDFSIntegrityFixer(HbckTableInfo ti, HbckErrorReporter errors, Configuration conf,</span> |
| <span class="source-line-no">251</span><span id="line-251"> boolean fixHoles, boolean fixOverlaps) {</span> |
| <span class="source-line-no">252</span><span id="line-252"> super(ti, errors);</span> |
| <span class="source-line-no">253</span><span id="line-253"> this.conf = conf;</span> |
| <span class="source-line-no">254</span><span id="line-254"> this.fixOverlaps = fixOverlaps;</span> |
| <span class="source-line-no">255</span><span id="line-255"> // TODO properly use fixHoles</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"> /**</span> |
| <span class="source-line-no">259</span><span id="line-259"> * This is a special case hole -- when the first region of a table is missing from META, HBase</span> |
| <span class="source-line-no">260</span><span id="line-260"> * doesn't acknowledge the existance of the table.</span> |
| <span class="source-line-no">261</span><span id="line-261"> */</span> |
| <span class="source-line-no">262</span><span id="line-262"> @Override</span> |
| <span class="source-line-no">263</span><span id="line-263"> public void handleRegionStartKeyNotEmpty(HbckRegionInfo next) throws IOException {</span> |
| <span class="source-line-no">264</span><span id="line-264"> errors.reportError(HbckErrorReporter.ERROR_CODE.FIRST_REGION_STARTKEY_NOT_EMPTY,</span> |
| <span class="source-line-no">265</span><span id="line-265"> "First region should start with an empty key. Creating a new "</span> |
| <span class="source-line-no">266</span><span id="line-266"> + "region and regioninfo in HDFS to plug the hole.",</span> |
| <span class="source-line-no">267</span><span id="line-267"> getTableInfo(), next);</span> |
| <span class="source-line-no">268</span><span id="line-268"> TableDescriptor htd = getTableInfo().getTableDescriptor();</span> |
| <span class="source-line-no">269</span><span id="line-269"> // from special EMPTY_START_ROW to next region's startKey</span> |
| <span class="source-line-no">270</span><span id="line-270"> RegionInfo newRegion = RegionInfoBuilder.newBuilder(htd.getTableName())</span> |
| <span class="source-line-no">271</span><span id="line-271"> .setStartKey(HConstants.EMPTY_START_ROW).setEndKey(next.getStartKey()).build();</span> |
| <span class="source-line-no">272</span><span id="line-272"></span> |
| <span class="source-line-no">273</span><span id="line-273"> // TODO test</span> |
| <span class="source-line-no">274</span><span id="line-274"> HRegion region = HBaseFsckRepair.createHDFSRegionDir(conf, newRegion, htd);</span> |
| <span class="source-line-no">275</span><span id="line-275"> LOG.info("Table region start key was not empty. Created new empty region: " + newRegion + " "</span> |
| <span class="source-line-no">276</span><span id="line-276"> + region);</span> |
| <span class="source-line-no">277</span><span id="line-277"> hbck.fixes++;</span> |
| <span class="source-line-no">278</span><span id="line-278"> }</span> |
| <span class="source-line-no">279</span><span id="line-279"></span> |
| <span class="source-line-no">280</span><span id="line-280"> @Override</span> |
| <span class="source-line-no">281</span><span id="line-281"> public void handleRegionEndKeyNotEmpty(byte[] curEndKey) throws IOException {</span> |
| <span class="source-line-no">282</span><span id="line-282"> errors.reportError(HbckErrorReporter.ERROR_CODE.LAST_REGION_ENDKEY_NOT_EMPTY,</span> |
| <span class="source-line-no">283</span><span id="line-283"> "Last region should end with an empty key. Creating a new "</span> |
| <span class="source-line-no">284</span><span id="line-284"> + "region and regioninfo in HDFS to plug the hole.",</span> |
| <span class="source-line-no">285</span><span id="line-285"> getTableInfo());</span> |
| <span class="source-line-no">286</span><span id="line-286"> TableDescriptor htd = getTableInfo().getTableDescriptor();</span> |
| <span class="source-line-no">287</span><span id="line-287"> // from curEndKey to EMPTY_START_ROW</span> |
| <span class="source-line-no">288</span><span id="line-288"> RegionInfo newRegion = RegionInfoBuilder.newBuilder(htd.getTableName()).setStartKey(curEndKey)</span> |
| <span class="source-line-no">289</span><span id="line-289"> .setEndKey(HConstants.EMPTY_START_ROW).build();</span> |
| <span class="source-line-no">290</span><span id="line-290"></span> |
| <span class="source-line-no">291</span><span id="line-291"> HRegion region = HBaseFsckRepair.createHDFSRegionDir(conf, newRegion, htd);</span> |
| <span class="source-line-no">292</span><span id="line-292"> LOG.info("Table region end key was not empty. Created new empty region: " + newRegion + " "</span> |
| <span class="source-line-no">293</span><span id="line-293"> + region);</span> |
| <span class="source-line-no">294</span><span id="line-294"> hbck.fixes++;</span> |
| <span class="source-line-no">295</span><span id="line-295"> }</span> |
| <span class="source-line-no">296</span><span id="line-296"></span> |
| <span class="source-line-no">297</span><span id="line-297"> /**</span> |
| <span class="source-line-no">298</span><span id="line-298"> * There is a hole in the hdfs regions that violates the table integrity rules. Create a new</span> |
| <span class="source-line-no">299</span><span id="line-299"> * empty region that patches the hole.</span> |
| <span class="source-line-no">300</span><span id="line-300"> */</span> |
| <span class="source-line-no">301</span><span id="line-301"> @Override</span> |
| <span class="source-line-no">302</span><span id="line-302"> public void handleHoleInRegionChain(byte[] holeStartKey, byte[] holeStopKey)</span> |
| <span class="source-line-no">303</span><span id="line-303"> throws IOException {</span> |
| <span class="source-line-no">304</span><span id="line-304"> errors.reportError(HbckErrorReporter.ERROR_CODE.HOLE_IN_REGION_CHAIN,</span> |
| <span class="source-line-no">305</span><span id="line-305"> "There is a hole in the region chain between " + Bytes.toStringBinary(holeStartKey)</span> |
| <span class="source-line-no">306</span><span id="line-306"> + " and " + Bytes.toStringBinary(holeStopKey) + ". Creating a new regioninfo and region "</span> |
| <span class="source-line-no">307</span><span id="line-307"> + "dir in hdfs to plug the hole.");</span> |
| <span class="source-line-no">308</span><span id="line-308"> TableDescriptor htd = getTableInfo().getTableDescriptor();</span> |
| <span class="source-line-no">309</span><span id="line-309"> RegionInfo newRegion = RegionInfoBuilder.newBuilder(htd.getTableName())</span> |
| <span class="source-line-no">310</span><span id="line-310"> .setStartKey(holeStartKey).setEndKey(holeStopKey).build();</span> |
| <span class="source-line-no">311</span><span id="line-311"> HRegion region = HBaseFsckRepair.createHDFSRegionDir(conf, newRegion, htd);</span> |
| <span class="source-line-no">312</span><span id="line-312"> LOG.info("Plugged hole by creating new empty region: " + newRegion + " " + region);</span> |
| <span class="source-line-no">313</span><span id="line-313"> hbck.fixes++;</span> |
| <span class="source-line-no">314</span><span id="line-314"> }</span> |
| <span class="source-line-no">315</span><span id="line-315"></span> |
| <span class="source-line-no">316</span><span id="line-316"> /**</span> |
| <span class="source-line-no">317</span><span id="line-317"> * This takes set of overlapping regions and merges them into a single region. This covers cases</span> |
| <span class="source-line-no">318</span><span id="line-318"> * like degenerate regions, shared start key, general overlaps, duplicate ranges, and partial</span> |
| <span class="source-line-no">319</span><span id="line-319"> * overlapping regions. Cases: - Clean regions that overlap - Only .oldlogs regions (can't find</span> |
| <span class="source-line-no">320</span><span id="line-320"> * start/stop range, or figure out) This is basically threadsafe, except for the fixer increment</span> |
| <span class="source-line-no">321</span><span id="line-321"> * in mergeOverlaps.</span> |
| <span class="source-line-no">322</span><span id="line-322"> */</span> |
| <span class="source-line-no">323</span><span id="line-323"> @Override</span> |
| <span class="source-line-no">324</span><span id="line-324"> public void handleOverlapGroup(Collection<HbckRegionInfo> overlap) throws IOException {</span> |
| <span class="source-line-no">325</span><span id="line-325"> Preconditions.checkNotNull(overlap);</span> |
| <span class="source-line-no">326</span><span id="line-326"> Preconditions.checkArgument(overlap.size() > 0);</span> |
| <span class="source-line-no">327</span><span id="line-327"></span> |
| <span class="source-line-no">328</span><span id="line-328"> if (!this.fixOverlaps) {</span> |
| <span class="source-line-no">329</span><span id="line-329"> LOG.warn("Not attempting to repair overlaps.");</span> |
| <span class="source-line-no">330</span><span id="line-330"> return;</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"> if (overlap.size() > hbck.getMaxMerge()) {</span> |
| <span class="source-line-no">334</span><span id="line-334"> LOG.warn(</span> |
| <span class="source-line-no">335</span><span id="line-335"> "Overlap group has " + overlap.size() + " overlapping " + "regions which is greater than "</span> |
| <span class="source-line-no">336</span><span id="line-336"> + hbck.getMaxMerge() + ", the max number of regions to merge");</span> |
| <span class="source-line-no">337</span><span id="line-337"> if (hbck.shouldSidelineBigOverlaps()) {</span> |
| <span class="source-line-no">338</span><span id="line-338"> // we only sideline big overlapped groups that exceeds the max number of regions to merge</span> |
| <span class="source-line-no">339</span><span id="line-339"> sidelineBigOverlaps(overlap);</span> |
| <span class="source-line-no">340</span><span id="line-340"> }</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"> if (hbck.shouldRemoveParents()) {</span> |
| <span class="source-line-no">344</span><span id="line-344"> removeParentsAndFixSplits(overlap);</span> |
| <span class="source-line-no">345</span><span id="line-345"> }</span> |
| <span class="source-line-no">346</span><span id="line-346"> mergeOverlaps(overlap);</span> |
| <span class="source-line-no">347</span><span id="line-347"> }</span> |
| <span class="source-line-no">348</span><span id="line-348"></span> |
| <span class="source-line-no">349</span><span id="line-349"> void removeParentsAndFixSplits(Collection<HbckRegionInfo> overlap) throws IOException {</span> |
| <span class="source-line-no">350</span><span id="line-350"> Pair<byte[], byte[]> range = null;</span> |
| <span class="source-line-no">351</span><span id="line-351"> HbckRegionInfo parent = null;</span> |
| <span class="source-line-no">352</span><span id="line-352"> HbckRegionInfo daughterA = null;</span> |
| <span class="source-line-no">353</span><span id="line-353"> HbckRegionInfo daughterB = null;</span> |
| <span class="source-line-no">354</span><span id="line-354"> Collection<HbckRegionInfo> daughters = new ArrayList<HbckRegionInfo>(overlap);</span> |
| <span class="source-line-no">355</span><span id="line-355"></span> |
| <span class="source-line-no">356</span><span id="line-356"> String thread = Thread.currentThread().getName();</span> |
| <span class="source-line-no">357</span><span id="line-357"> LOG.info("== [" + thread + "] Attempting fix splits in overlap state.");</span> |
| <span class="source-line-no">358</span><span id="line-358"></span> |
| <span class="source-line-no">359</span><span id="line-359"> // we only can handle a single split per group at the time</span> |
| <span class="source-line-no">360</span><span id="line-360"> if (overlap.size() > 3) {</span> |
| <span class="source-line-no">361</span><span id="line-361"> LOG.info("Too many overlaps were found on this group, falling back to regular merge.");</span> |
| <span class="source-line-no">362</span><span id="line-362"> return;</span> |
| <span class="source-line-no">363</span><span id="line-363"> }</span> |
| <span class="source-line-no">364</span><span id="line-364"></span> |
| <span class="source-line-no">365</span><span id="line-365"> for (HbckRegionInfo hi : overlap) {</span> |
| <span class="source-line-no">366</span><span id="line-366"> if (range == null) {</span> |
| <span class="source-line-no">367</span><span id="line-367"> range = new Pair<byte[], byte[]>(hi.getStartKey(), hi.getEndKey());</span> |
| <span class="source-line-no">368</span><span id="line-368"> } else {</span> |
| <span class="source-line-no">369</span><span id="line-369"> if (</span> |
| <span class="source-line-no">370</span><span id="line-370"> RegionSplitCalculator.BYTES_COMPARATOR.compare(hi.getStartKey(), range.getFirst()) < 0</span> |
| <span class="source-line-no">371</span><span id="line-371"> ) {</span> |
| <span class="source-line-no">372</span><span id="line-372"> range.setFirst(hi.getStartKey());</span> |
| <span class="source-line-no">373</span><span id="line-373"> }</span> |
| <span class="source-line-no">374</span><span id="line-374"> if (</span> |
| <span class="source-line-no">375</span><span id="line-375"> RegionSplitCalculator.BYTES_COMPARATOR.compare(hi.getEndKey(), range.getSecond()) > 0</span> |
| <span class="source-line-no">376</span><span id="line-376"> ) {</span> |
| <span class="source-line-no">377</span><span id="line-377"> range.setSecond(hi.getEndKey());</span> |
| <span class="source-line-no">378</span><span id="line-378"> }</span> |
| <span class="source-line-no">379</span><span id="line-379"> }</span> |
| <span class="source-line-no">380</span><span id="line-380"> }</span> |
| <span class="source-line-no">381</span><span id="line-381"></span> |
| <span class="source-line-no">382</span><span id="line-382"> LOG.info("This group range is [" + Bytes.toStringBinary(range.getFirst()) + ", "</span> |
| <span class="source-line-no">383</span><span id="line-383"> + Bytes.toStringBinary(range.getSecond()) + "]");</span> |
| <span class="source-line-no">384</span><span id="line-384"></span> |
| <span class="source-line-no">385</span><span id="line-385"> // attempt to find a possible parent for the edge case of a split</span> |
| <span class="source-line-no">386</span><span id="line-386"> for (HbckRegionInfo hi : overlap) {</span> |
| <span class="source-line-no">387</span><span id="line-387"> if (</span> |
| <span class="source-line-no">388</span><span id="line-388"> Bytes.compareTo(hi.getHdfsHRI().getStartKey(), range.getFirst()) == 0</span> |
| <span class="source-line-no">389</span><span id="line-389"> && Bytes.compareTo(hi.getHdfsHRI().getEndKey(), range.getSecond()) == 0</span> |
| <span class="source-line-no">390</span><span id="line-390"> ) {</span> |
| <span class="source-line-no">391</span><span id="line-391"> LOG.info("This is a parent for this group: " + hi.toString());</span> |
| <span class="source-line-no">392</span><span id="line-392"> parent = hi;</span> |
| <span class="source-line-no">393</span><span id="line-393"> }</span> |
| <span class="source-line-no">394</span><span id="line-394"> }</span> |
| <span class="source-line-no">395</span><span id="line-395"></span> |
| <span class="source-line-no">396</span><span id="line-396"> // Remove parent regions from daughters collection</span> |
| <span class="source-line-no">397</span><span id="line-397"> if (parent != null) {</span> |
| <span class="source-line-no">398</span><span id="line-398"> daughters.remove(parent);</span> |
| <span class="source-line-no">399</span><span id="line-399"> }</span> |
| <span class="source-line-no">400</span><span id="line-400"></span> |
| <span class="source-line-no">401</span><span id="line-401"> // Lets verify that daughters share the regionID at split time and they</span> |
| <span class="source-line-no">402</span><span id="line-402"> // were created after the parent</span> |
| <span class="source-line-no">403</span><span id="line-403"> for (HbckRegionInfo hi : daughters) {</span> |
| <span class="source-line-no">404</span><span id="line-404"> if (Bytes.compareTo(hi.getHdfsHRI().getStartKey(), range.getFirst()) == 0) {</span> |
| <span class="source-line-no">405</span><span id="line-405"> if (parent.getHdfsHRI().getRegionId() < hi.getHdfsHRI().getRegionId()) {</span> |
| <span class="source-line-no">406</span><span id="line-406"> daughterA = hi;</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"> if (Bytes.compareTo(hi.getHdfsHRI().getEndKey(), range.getSecond()) == 0) {</span> |
| <span class="source-line-no">410</span><span id="line-410"> if (parent.getHdfsHRI().getRegionId() < hi.getHdfsHRI().getRegionId()) {</span> |
| <span class="source-line-no">411</span><span id="line-411"> daughterB = hi;</span> |
| <span class="source-line-no">412</span><span id="line-412"> }</span> |
| <span class="source-line-no">413</span><span id="line-413"> }</span> |
| <span class="source-line-no">414</span><span id="line-414"> }</span> |
| <span class="source-line-no">415</span><span id="line-415"></span> |
| <span class="source-line-no">416</span><span id="line-416"> // daughters must share the same regionID and we should have a parent too</span> |
| <span class="source-line-no">417</span><span id="line-417"> if (</span> |
| <span class="source-line-no">418</span><span id="line-418"> daughterA.getHdfsHRI().getRegionId() != daughterB.getHdfsHRI().getRegionId()</span> |
| <span class="source-line-no">419</span><span id="line-419"> || parent == null</span> |
| <span class="source-line-no">420</span><span id="line-420"> ) {</span> |
| <span class="source-line-no">421</span><span id="line-421"> return;</span> |
| <span class="source-line-no">422</span><span id="line-422"> }</span> |
| <span class="source-line-no">423</span><span id="line-423"></span> |
| <span class="source-line-no">424</span><span id="line-424"> FileSystem fs = FileSystem.get(conf);</span> |
| <span class="source-line-no">425</span><span id="line-425"> LOG.info("Found parent: " + parent.getRegionNameAsString());</span> |
| <span class="source-line-no">426</span><span id="line-426"> LOG.info("Found potential daughter a: " + daughterA.getRegionNameAsString());</span> |
| <span class="source-line-no">427</span><span id="line-427"> LOG.info("Found potential daughter b: " + daughterB.getRegionNameAsString());</span> |
| <span class="source-line-no">428</span><span id="line-428"> LOG.info("Trying to fix parent in overlap by removing the parent.");</span> |
| <span class="source-line-no">429</span><span id="line-429"> try {</span> |
| <span class="source-line-no">430</span><span id="line-430"> hbck.closeRegion(parent);</span> |
| <span class="source-line-no">431</span><span id="line-431"> } catch (IOException ioe) {</span> |
| <span class="source-line-no">432</span><span id="line-432"> LOG.warn("Parent region could not be closed, continuing with regular merge...", ioe);</span> |
| <span class="source-line-no">433</span><span id="line-433"> return;</span> |
| <span class="source-line-no">434</span><span id="line-434"> } catch (InterruptedException ie) {</span> |
| <span class="source-line-no">435</span><span id="line-435"> LOG.warn("Parent region could not be closed, continuing with regular merge...", ie);</span> |
| <span class="source-line-no">436</span><span id="line-436"> return;</span> |
| <span class="source-line-no">437</span><span id="line-437"> }</span> |
| <span class="source-line-no">438</span><span id="line-438"></span> |
| <span class="source-line-no">439</span><span id="line-439"> try {</span> |
| <span class="source-line-no">440</span><span id="line-440"> hbck.offline(parent.getRegionName());</span> |
| <span class="source-line-no">441</span><span id="line-441"> } catch (IOException ioe) {</span> |
| <span class="source-line-no">442</span><span id="line-442"> LOG.warn("Unable to offline parent region: " + parent.getRegionNameAsString()</span> |
| <span class="source-line-no">443</span><span id="line-443"> + ". Just continuing with regular merge... ", ioe);</span> |
| <span class="source-line-no">444</span><span id="line-444"> return;</span> |
| <span class="source-line-no">445</span><span id="line-445"> }</span> |
| <span class="source-line-no">446</span><span id="line-446"></span> |
| <span class="source-line-no">447</span><span id="line-447"> try {</span> |
| <span class="source-line-no">448</span><span id="line-448"> HBaseFsckRepair.removeParentInMeta(conf, parent.getHdfsHRI());</span> |
| <span class="source-line-no">449</span><span id="line-449"> } catch (IOException ioe) {</span> |
| <span class="source-line-no">450</span><span id="line-450"> LOG.warn("Unable to remove parent region in META: " + parent.getRegionNameAsString()</span> |
| <span class="source-line-no">451</span><span id="line-451"> + ". Just continuing with regular merge... ", ioe);</span> |
| <span class="source-line-no">452</span><span id="line-452"> return;</span> |
| <span class="source-line-no">453</span><span id="line-453"> }</span> |
| <span class="source-line-no">454</span><span id="line-454"></span> |
| <span class="source-line-no">455</span><span id="line-455"> hbck.sidelineRegionDir(fs, parent);</span> |
| <span class="source-line-no">456</span><span id="line-456"> LOG.info("[" + thread + "] Sidelined parent region dir " + parent.getHdfsRegionDir()</span> |
| <span class="source-line-no">457</span><span id="line-457"> + " into " + hbck.getSidelineDir());</span> |
| <span class="source-line-no">458</span><span id="line-458"> hbck.debugLsr(parent.getHdfsRegionDir());</span> |
| <span class="source-line-no">459</span><span id="line-459"></span> |
| <span class="source-line-no">460</span><span id="line-460"> // Make sure we don't have the parents and daughters around</span> |
| <span class="source-line-no">461</span><span id="line-461"> overlap.remove(parent);</span> |
| <span class="source-line-no">462</span><span id="line-462"> overlap.remove(daughterA);</span> |
| <span class="source-line-no">463</span><span id="line-463"> overlap.remove(daughterB);</span> |
| <span class="source-line-no">464</span><span id="line-464"></span> |
| <span class="source-line-no">465</span><span id="line-465"> LOG.info("Done fixing split.");</span> |
| <span class="source-line-no">466</span><span id="line-466"></span> |
| <span class="source-line-no">467</span><span id="line-467"> }</span> |
| <span class="source-line-no">468</span><span id="line-468"></span> |
| <span class="source-line-no">469</span><span id="line-469"> void mergeOverlaps(Collection<HbckRegionInfo> overlap) throws IOException {</span> |
| <span class="source-line-no">470</span><span id="line-470"> String thread = Thread.currentThread().getName();</span> |
| <span class="source-line-no">471</span><span id="line-471"> LOG.info(</span> |
| <span class="source-line-no">472</span><span id="line-472"> "== [" + thread + "] Merging regions into one region: " + Joiner.on(",").join(overlap));</span> |
| <span class="source-line-no">473</span><span id="line-473"> // get the min / max range and close all concerned regions</span> |
| <span class="source-line-no">474</span><span id="line-474"> Pair<byte[], byte[]> range = null;</span> |
| <span class="source-line-no">475</span><span id="line-475"> for (HbckRegionInfo hi : overlap) {</span> |
| <span class="source-line-no">476</span><span id="line-476"> if (range == null) {</span> |
| <span class="source-line-no">477</span><span id="line-477"> range = new Pair<>(hi.getStartKey(), hi.getEndKey());</span> |
| <span class="source-line-no">478</span><span id="line-478"> } else {</span> |
| <span class="source-line-no">479</span><span id="line-479"> if (</span> |
| <span class="source-line-no">480</span><span id="line-480"> RegionSplitCalculator.BYTES_COMPARATOR.compare(hi.getStartKey(), range.getFirst()) < 0</span> |
| <span class="source-line-no">481</span><span id="line-481"> ) {</span> |
| <span class="source-line-no">482</span><span id="line-482"> range.setFirst(hi.getStartKey());</span> |
| <span class="source-line-no">483</span><span id="line-483"> }</span> |
| <span class="source-line-no">484</span><span id="line-484"> if (</span> |
| <span class="source-line-no">485</span><span id="line-485"> RegionSplitCalculator.BYTES_COMPARATOR.compare(hi.getEndKey(), range.getSecond()) > 0</span> |
| <span class="source-line-no">486</span><span id="line-486"> ) {</span> |
| <span class="source-line-no">487</span><span id="line-487"> range.setSecond(hi.getEndKey());</span> |
| <span class="source-line-no">488</span><span id="line-488"> }</span> |
| <span class="source-line-no">489</span><span id="line-489"> }</span> |
| <span class="source-line-no">490</span><span id="line-490"> // need to close files so delete can happen.</span> |
| <span class="source-line-no">491</span><span id="line-491"> LOG.debug("[" + thread + "] Closing region before moving data around: " + hi);</span> |
| <span class="source-line-no">492</span><span id="line-492"> LOG.debug("[" + thread + "] Contained region dir before close");</span> |
| <span class="source-line-no">493</span><span id="line-493"> hbck.debugLsr(hi.getHdfsRegionDir());</span> |
| <span class="source-line-no">494</span><span id="line-494"> try {</span> |
| <span class="source-line-no">495</span><span id="line-495"> LOG.info("[" + thread + "] Closing region: " + hi);</span> |
| <span class="source-line-no">496</span><span id="line-496"> hbck.closeRegion(hi);</span> |
| <span class="source-line-no">497</span><span id="line-497"> } catch (IOException ioe) {</span> |
| <span class="source-line-no">498</span><span id="line-498"> LOG.warn("[" + thread + "] Was unable to close region " + hi + ". Just continuing... ",</span> |
| <span class="source-line-no">499</span><span id="line-499"> ioe);</span> |
| <span class="source-line-no">500</span><span id="line-500"> } catch (InterruptedException e) {</span> |
| <span class="source-line-no">501</span><span id="line-501"> LOG.warn("[" + thread + "] Was unable to close region " + hi + ". Just continuing... ",</span> |
| <span class="source-line-no">502</span><span id="line-502"> e);</span> |
| <span class="source-line-no">503</span><span id="line-503"> }</span> |
| <span class="source-line-no">504</span><span id="line-504"></span> |
| <span class="source-line-no">505</span><span id="line-505"> try {</span> |
| <span class="source-line-no">506</span><span id="line-506"> LOG.info("[" + thread + "] Offlining region: " + hi);</span> |
| <span class="source-line-no">507</span><span id="line-507"> hbck.offline(hi.getRegionName());</span> |
| <span class="source-line-no">508</span><span id="line-508"> } catch (IOException ioe) {</span> |
| <span class="source-line-no">509</span><span id="line-509"> LOG.warn("[" + thread + "] Unable to offline region from master: " + hi</span> |
| <span class="source-line-no">510</span><span id="line-510"> + ". Just continuing... ", ioe);</span> |
| <span class="source-line-no">511</span><span id="line-511"> }</span> |
| <span class="source-line-no">512</span><span id="line-512"> }</span> |
| <span class="source-line-no">513</span><span id="line-513"></span> |
| <span class="source-line-no">514</span><span id="line-514"> // create new empty container region.</span> |
| <span class="source-line-no">515</span><span id="line-515"> TableDescriptor htd = getTableInfo().getTableDescriptor();</span> |
| <span class="source-line-no">516</span><span id="line-516"> // from start key to end Key</span> |
| <span class="source-line-no">517</span><span id="line-517"> RegionInfo newRegion = RegionInfoBuilder.newBuilder(htd.getTableName())</span> |
| <span class="source-line-no">518</span><span id="line-518"> .setStartKey(range.getFirst()).setEndKey(range.getSecond()).build();</span> |
| <span class="source-line-no">519</span><span id="line-519"> HRegion region = HBaseFsckRepair.createHDFSRegionDir(conf, newRegion, htd);</span> |
| <span class="source-line-no">520</span><span id="line-520"> LOG.info("[" + thread + "] Created new empty container region: " + newRegion</span> |
| <span class="source-line-no">521</span><span id="line-521"> + " to contain regions: " + Joiner.on(",").join(overlap));</span> |
| <span class="source-line-no">522</span><span id="line-522"> hbck.debugLsr(region.getRegionFileSystem().getRegionDir());</span> |
| <span class="source-line-no">523</span><span id="line-523"></span> |
| <span class="source-line-no">524</span><span id="line-524"> // all target regions are closed, should be able to safely cleanup.</span> |
| <span class="source-line-no">525</span><span id="line-525"> boolean didFix = false;</span> |
| <span class="source-line-no">526</span><span id="line-526"> Path target = region.getRegionFileSystem().getRegionDir();</span> |
| <span class="source-line-no">527</span><span id="line-527"> for (HbckRegionInfo contained : overlap) {</span> |
| <span class="source-line-no">528</span><span id="line-528"> LOG.info("[" + thread + "] Merging " + contained + " into " + target);</span> |
| <span class="source-line-no">529</span><span id="line-529"> int merges = hbck.mergeRegionDirs(target, contained);</span> |
| <span class="source-line-no">530</span><span id="line-530"> if (merges > 0) {</span> |
| <span class="source-line-no">531</span><span id="line-531"> didFix = true;</span> |
| <span class="source-line-no">532</span><span id="line-532"> }</span> |
| <span class="source-line-no">533</span><span id="line-533"> }</span> |
| <span class="source-line-no">534</span><span id="line-534"> if (didFix) {</span> |
| <span class="source-line-no">535</span><span id="line-535"> hbck.fixes++;</span> |
| <span class="source-line-no">536</span><span id="line-536"> }</span> |
| <span class="source-line-no">537</span><span id="line-537"> }</span> |
| <span class="source-line-no">538</span><span id="line-538"></span> |
| <span class="source-line-no">539</span><span id="line-539"> /**</span> |
| <span class="source-line-no">540</span><span id="line-540"> * Sideline some regions in a big overlap group so that it will have fewer regions, and it is</span> |
| <span class="source-line-no">541</span><span id="line-541"> * easier to merge them later on.</span> |
| <span class="source-line-no">542</span><span id="line-542"> * @param bigOverlap the overlapped group with regions more than maxMerge</span> |
| <span class="source-line-no">543</span><span id="line-543"> */</span> |
| <span class="source-line-no">544</span><span id="line-544"> void sidelineBigOverlaps(Collection<HbckRegionInfo> bigOverlap) throws IOException {</span> |
| <span class="source-line-no">545</span><span id="line-545"> int overlapsToSideline = bigOverlap.size() - hbck.getMaxMerge();</span> |
| <span class="source-line-no">546</span><span id="line-546"> if (overlapsToSideline > hbck.getMaxOverlapsToSideline()) {</span> |
| <span class="source-line-no">547</span><span id="line-547"> overlapsToSideline = hbck.getMaxOverlapsToSideline();</span> |
| <span class="source-line-no">548</span><span id="line-548"> }</span> |
| <span class="source-line-no">549</span><span id="line-549"> List<HbckRegionInfo> regionsToSideline =</span> |
| <span class="source-line-no">550</span><span id="line-550"> RegionSplitCalculator.findBigRanges(bigOverlap, overlapsToSideline);</span> |
| <span class="source-line-no">551</span><span id="line-551"> FileSystem fs = FileSystem.get(conf);</span> |
| <span class="source-line-no">552</span><span id="line-552"> for (HbckRegionInfo regionToSideline : regionsToSideline) {</span> |
| <span class="source-line-no">553</span><span id="line-553"> try {</span> |
| <span class="source-line-no">554</span><span id="line-554"> LOG.info("Closing region: " + regionToSideline);</span> |
| <span class="source-line-no">555</span><span id="line-555"> hbck.closeRegion(regionToSideline);</span> |
| <span class="source-line-no">556</span><span id="line-556"> } catch (IOException ioe) {</span> |
| <span class="source-line-no">557</span><span id="line-557"> LOG.warn("Was unable to close region " + regionToSideline + ". Just continuing... ",</span> |
| <span class="source-line-no">558</span><span id="line-558"> ioe);</span> |
| <span class="source-line-no">559</span><span id="line-559"> } catch (InterruptedException e) {</span> |
| <span class="source-line-no">560</span><span id="line-560"> LOG.warn("Was unable to close region " + regionToSideline + ". Just continuing... ", e);</span> |
| <span class="source-line-no">561</span><span id="line-561"> }</span> |
| <span class="source-line-no">562</span><span id="line-562"></span> |
| <span class="source-line-no">563</span><span id="line-563"> try {</span> |
| <span class="source-line-no">564</span><span id="line-564"> LOG.info("Offlining region: " + regionToSideline);</span> |
| <span class="source-line-no">565</span><span id="line-565"> hbck.offline(regionToSideline.getRegionName());</span> |
| <span class="source-line-no">566</span><span id="line-566"> } catch (IOException ioe) {</span> |
| <span class="source-line-no">567</span><span id="line-567"> LOG.warn(</span> |
| <span class="source-line-no">568</span><span id="line-568"> "Unable to offline region from master: " + regionToSideline + ". Just continuing... ",</span> |
| <span class="source-line-no">569</span><span id="line-569"> ioe);</span> |
| <span class="source-line-no">570</span><span id="line-570"> }</span> |
| <span class="source-line-no">571</span><span id="line-571"></span> |
| <span class="source-line-no">572</span><span id="line-572"> LOG.info("Before sideline big overlapped region: " + regionToSideline.toString());</span> |
| <span class="source-line-no">573</span><span id="line-573"> Path sidelineRegionDir = hbck.sidelineRegionDir(fs, TO_BE_LOADED, regionToSideline);</span> |
| <span class="source-line-no">574</span><span id="line-574"> if (sidelineRegionDir != null) {</span> |
| <span class="source-line-no">575</span><span id="line-575"> sidelinedRegions.put(sidelineRegionDir, regionToSideline);</span> |
| <span class="source-line-no">576</span><span id="line-576"> LOG.info("After sidelined big overlapped region: "</span> |
| <span class="source-line-no">577</span><span id="line-577"> + regionToSideline.getRegionNameAsString() + " to " + sidelineRegionDir.toString());</span> |
| <span class="source-line-no">578</span><span id="line-578"> hbck.fixes++;</span> |
| <span class="source-line-no">579</span><span id="line-579"> }</span> |
| <span class="source-line-no">580</span><span id="line-580"> }</span> |
| <span class="source-line-no">581</span><span id="line-581"> }</span> |
| <span class="source-line-no">582</span><span id="line-582"> }</span> |
| <span class="source-line-no">583</span><span id="line-583"></span> |
| <span class="source-line-no">584</span><span id="line-584"> /**</span> |
| <span class="source-line-no">585</span><span id="line-585"> * Check the region chain (from META) of this table. We are looking for holes, overlaps, and</span> |
| <span class="source-line-no">586</span><span id="line-586"> * cycles.</span> |
| <span class="source-line-no">587</span><span id="line-587"> * @return false if there are errors</span> |
| <span class="source-line-no">588</span><span id="line-588"> */</span> |
| <span class="source-line-no">589</span><span id="line-589"> public boolean checkRegionChain(TableIntegrityErrorHandler handler) throws IOException {</span> |
| <span class="source-line-no">590</span><span id="line-590"> // When table is disabled no need to check for the region chain. Some of the regions</span> |
| <span class="source-line-no">591</span><span id="line-591"> // accidently if deployed, this below code might report some issues like missing start</span> |
| <span class="source-line-no">592</span><span id="line-592"> // or end regions or region hole in chain and may try to fix which is unwanted.</span> |
| <span class="source-line-no">593</span><span id="line-593"> if (hbck.isTableDisabled(this.tableName)) {</span> |
| <span class="source-line-no">594</span><span id="line-594"> return true;</span> |
| <span class="source-line-no">595</span><span id="line-595"> }</span> |
| <span class="source-line-no">596</span><span id="line-596"> int originalErrorsCount = hbck.getErrors().getErrorList().size();</span> |
| <span class="source-line-no">597</span><span id="line-597"> Multimap<byte[], HbckRegionInfo> regions = sc.calcCoverage();</span> |
| <span class="source-line-no">598</span><span id="line-598"> SortedSet<byte[]> splits = sc.getSplits();</span> |
| <span class="source-line-no">599</span><span id="line-599"></span> |
| <span class="source-line-no">600</span><span id="line-600"> byte[] prevKey = null;</span> |
| <span class="source-line-no">601</span><span id="line-601"> byte[] problemKey = null;</span> |
| <span class="source-line-no">602</span><span id="line-602"></span> |
| <span class="source-line-no">603</span><span id="line-603"> if (splits.isEmpty()) {</span> |
| <span class="source-line-no">604</span><span id="line-604"> // no region for this table</span> |
| <span class="source-line-no">605</span><span id="line-605"> handler.handleHoleInRegionChain(HConstants.EMPTY_START_ROW, HConstants.EMPTY_END_ROW);</span> |
| <span class="source-line-no">606</span><span id="line-606"> }</span> |
| <span class="source-line-no">607</span><span id="line-607"></span> |
| <span class="source-line-no">608</span><span id="line-608"> for (byte[] key : splits) {</span> |
| <span class="source-line-no">609</span><span id="line-609"> Collection<HbckRegionInfo> ranges = regions.get(key);</span> |
| <span class="source-line-no">610</span><span id="line-610"> if (prevKey == null && !Bytes.equals(key, HConstants.EMPTY_BYTE_ARRAY)) {</span> |
| <span class="source-line-no">611</span><span id="line-611"> for (HbckRegionInfo rng : ranges) {</span> |
| <span class="source-line-no">612</span><span id="line-612"> handler.handleRegionStartKeyNotEmpty(rng);</span> |
| <span class="source-line-no">613</span><span id="line-613"> }</span> |
| <span class="source-line-no">614</span><span id="line-614"> }</span> |
| <span class="source-line-no">615</span><span id="line-615"></span> |
| <span class="source-line-no">616</span><span id="line-616"> // check for degenerate ranges</span> |
| <span class="source-line-no">617</span><span id="line-617"> for (HbckRegionInfo rng : ranges) {</span> |
| <span class="source-line-no">618</span><span id="line-618"> // special endkey case converts '' to null</span> |
| <span class="source-line-no">619</span><span id="line-619"> byte[] endKey = rng.getEndKey();</span> |
| <span class="source-line-no">620</span><span id="line-620"> endKey = (endKey.length == 0) ? null : endKey;</span> |
| <span class="source-line-no">621</span><span id="line-621"> if (Bytes.equals(rng.getStartKey(), endKey)) {</span> |
| <span class="source-line-no">622</span><span id="line-622"> handler.handleDegenerateRegion(rng);</span> |
| <span class="source-line-no">623</span><span id="line-623"> }</span> |
| <span class="source-line-no">624</span><span id="line-624"> }</span> |
| <span class="source-line-no">625</span><span id="line-625"></span> |
| <span class="source-line-no">626</span><span id="line-626"> if (ranges.size() == 1) {</span> |
| <span class="source-line-no">627</span><span id="line-627"> // this split key is ok -- no overlap, not a hole.</span> |
| <span class="source-line-no">628</span><span id="line-628"> if (problemKey != null) {</span> |
| <span class="source-line-no">629</span><span id="line-629"> LOG.warn("reached end of problem group: " + Bytes.toStringBinary(key));</span> |
| <span class="source-line-no">630</span><span id="line-630"> }</span> |
| <span class="source-line-no">631</span><span id="line-631"> problemKey = null; // fell through, no more problem.</span> |
| <span class="source-line-no">632</span><span id="line-632"> } else if (ranges.size() > 1) {</span> |
| <span class="source-line-no">633</span><span id="line-633"> // set the new problem key group name, if already have problem key, just</span> |
| <span class="source-line-no">634</span><span id="line-634"> // keep using it.</span> |
| <span class="source-line-no">635</span><span id="line-635"> if (problemKey == null) {</span> |
| <span class="source-line-no">636</span><span id="line-636"> // only for overlap regions.</span> |
| <span class="source-line-no">637</span><span id="line-637"> LOG.warn("Naming new problem group: " + Bytes.toStringBinary(key));</span> |
| <span class="source-line-no">638</span><span id="line-638"> problemKey = key;</span> |
| <span class="source-line-no">639</span><span id="line-639"> }</span> |
| <span class="source-line-no">640</span><span id="line-640"> overlapGroups.putAll(problemKey, ranges);</span> |
| <span class="source-line-no">641</span><span id="line-641"></span> |
| <span class="source-line-no">642</span><span id="line-642"> // record errors</span> |
| <span class="source-line-no">643</span><span id="line-643"> ArrayList<HbckRegionInfo> subRange = new ArrayList<>(ranges);</span> |
| <span class="source-line-no">644</span><span id="line-644"> // this dumb and n^2 but this shouldn't happen often</span> |
| <span class="source-line-no">645</span><span id="line-645"> for (HbckRegionInfo r1 : ranges) {</span> |
| <span class="source-line-no">646</span><span id="line-646"> if (r1.getReplicaId() != RegionInfo.DEFAULT_REPLICA_ID) {</span> |
| <span class="source-line-no">647</span><span id="line-647"> continue;</span> |
| <span class="source-line-no">648</span><span id="line-648"> }</span> |
| <span class="source-line-no">649</span><span id="line-649"> subRange.remove(r1);</span> |
| <span class="source-line-no">650</span><span id="line-650"> for (HbckRegionInfo r2 : subRange) {</span> |
| <span class="source-line-no">651</span><span id="line-651"> if (r2.getReplicaId() != RegionInfo.DEFAULT_REPLICA_ID) {</span> |
| <span class="source-line-no">652</span><span id="line-652"> continue;</span> |
| <span class="source-line-no">653</span><span id="line-653"> }</span> |
| <span class="source-line-no">654</span><span id="line-654"> // general case of same start key</span> |
| <span class="source-line-no">655</span><span id="line-655"> if (Bytes.compareTo(r1.getStartKey(), r2.getStartKey()) == 0) {</span> |
| <span class="source-line-no">656</span><span id="line-656"> handler.handleDuplicateStartKeys(r1, r2);</span> |
| <span class="source-line-no">657</span><span id="line-657"> } else if (</span> |
| <span class="source-line-no">658</span><span id="line-658"> Bytes.compareTo(r1.getEndKey(), r2.getStartKey()) == 0</span> |
| <span class="source-line-no">659</span><span id="line-659"> && r1.getHdfsHRI().getRegionId() == r2.getHdfsHRI().getRegionId()</span> |
| <span class="source-line-no">660</span><span id="line-660"> ) {</span> |
| <span class="source-line-no">661</span><span id="line-661"> LOG.info("this is a split, log to splits");</span> |
| <span class="source-line-no">662</span><span id="line-662"> handler.handleSplit(r1, r2);</span> |
| <span class="source-line-no">663</span><span id="line-663"> } else {</span> |
| <span class="source-line-no">664</span><span id="line-664"> // overlap</span> |
| <span class="source-line-no">665</span><span id="line-665"> handler.handleOverlapInRegionChain(r1, r2);</span> |
| <span class="source-line-no">666</span><span id="line-666"> }</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"> } else if (ranges.isEmpty()) {</span> |
| <span class="source-line-no">671</span><span id="line-671"> if (problemKey != null) {</span> |
| <span class="source-line-no">672</span><span id="line-672"> LOG.warn("reached end of problem group: " + Bytes.toStringBinary(key));</span> |
| <span class="source-line-no">673</span><span id="line-673"> }</span> |
| <span class="source-line-no">674</span><span id="line-674"> problemKey = null;</span> |
| <span class="source-line-no">675</span><span id="line-675"></span> |
| <span class="source-line-no">676</span><span id="line-676"> byte[] holeStopKey = sc.getSplits().higher(key);</span> |
| <span class="source-line-no">677</span><span id="line-677"> // if higher key is null we reached the top.</span> |
| <span class="source-line-no">678</span><span id="line-678"> if (holeStopKey != null) {</span> |
| <span class="source-line-no">679</span><span id="line-679"> // hole</span> |
| <span class="source-line-no">680</span><span id="line-680"> handler.handleHoleInRegionChain(key, holeStopKey);</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"> prevKey = key;</span> |
| <span class="source-line-no">684</span><span id="line-684"> }</span> |
| <span class="source-line-no">685</span><span id="line-685"></span> |
| <span class="source-line-no">686</span><span id="line-686"> // When the last region of a table is proper and having an empty end key, 'prevKey'</span> |
| <span class="source-line-no">687</span><span id="line-687"> // will be null.</span> |
| <span class="source-line-no">688</span><span id="line-688"> if (prevKey != null) {</span> |
| <span class="source-line-no">689</span><span id="line-689"> handler.handleRegionEndKeyNotEmpty(prevKey);</span> |
| <span class="source-line-no">690</span><span id="line-690"> }</span> |
| <span class="source-line-no">691</span><span id="line-691"></span> |
| <span class="source-line-no">692</span><span id="line-692"> // TODO fold this into the TableIntegrityHandler</span> |
| <span class="source-line-no">693</span><span id="line-693"> if (hbck.getConf().getBoolean("hbasefsck.overlap.merge.parallel", true)) {</span> |
| <span class="source-line-no">694</span><span id="line-694"> boolean ok = handleOverlapsParallel(handler, prevKey);</span> |
| <span class="source-line-no">695</span><span id="line-695"> if (!ok) {</span> |
| <span class="source-line-no">696</span><span id="line-696"> return false;</span> |
| <span class="source-line-no">697</span><span id="line-697"> }</span> |
| <span class="source-line-no">698</span><span id="line-698"> } else {</span> |
| <span class="source-line-no">699</span><span id="line-699"> for (Collection<HbckRegionInfo> overlap : overlapGroups.asMap().values()) {</span> |
| <span class="source-line-no">700</span><span id="line-700"> handler.handleOverlapGroup(overlap);</span> |
| <span class="source-line-no">701</span><span id="line-701"> }</span> |
| <span class="source-line-no">702</span><span id="line-702"> }</span> |
| <span class="source-line-no">703</span><span id="line-703"></span> |
| <span class="source-line-no">704</span><span id="line-704"> if (HBaseFsck.shouldDisplayFullReport()) {</span> |
| <span class="source-line-no">705</span><span id="line-705"> // do full region split map dump</span> |
| <span class="source-line-no">706</span><span id="line-706"> hbck.getErrors().print("---- Table '" + this.tableName + "': region split map");</span> |
| <span class="source-line-no">707</span><span id="line-707"> dump(splits, regions);</span> |
| <span class="source-line-no">708</span><span id="line-708"> hbck.getErrors().print("---- Table '" + this.tableName + "': overlap groups");</span> |
| <span class="source-line-no">709</span><span id="line-709"> dumpOverlapProblems(overlapGroups);</span> |
| <span class="source-line-no">710</span><span id="line-710"> hbck.getErrors().print("There are " + overlapGroups.keySet().size() + " overlap groups with "</span> |
| <span class="source-line-no">711</span><span id="line-711"> + overlapGroups.size() + " overlapping regions");</span> |
| <span class="source-line-no">712</span><span id="line-712"> }</span> |
| <span class="source-line-no">713</span><span id="line-713"> if (!sidelinedRegions.isEmpty()) {</span> |
| <span class="source-line-no">714</span><span id="line-714"> LOG.warn("Sidelined big overlapped regions, please bulk load them!");</span> |
| <span class="source-line-no">715</span><span id="line-715"> hbck.getErrors()</span> |
| <span class="source-line-no">716</span><span id="line-716"> .print("---- Table '" + this.tableName + "': sidelined big overlapped regions");</span> |
| <span class="source-line-no">717</span><span id="line-717"> dumpSidelinedRegions(sidelinedRegions);</span> |
| <span class="source-line-no">718</span><span id="line-718"> }</span> |
| <span class="source-line-no">719</span><span id="line-719"> return hbck.getErrors().getErrorList().size() == originalErrorsCount;</span> |
| <span class="source-line-no">720</span><span id="line-720"> }</span> |
| <span class="source-line-no">721</span><span id="line-721"></span> |
| <span class="source-line-no">722</span><span id="line-722"> private boolean handleOverlapsParallel(TableIntegrityErrorHandler handler, byte[] prevKey)</span> |
| <span class="source-line-no">723</span><span id="line-723"> throws IOException {</span> |
| <span class="source-line-no">724</span><span id="line-724"> // we parallelize overlap handler for the case we have lots of groups to fix. We can</span> |
| <span class="source-line-no">725</span><span id="line-725"> // safely assume each group is independent.</span> |
| <span class="source-line-no">726</span><span id="line-726"> List<HBaseFsck.WorkItemOverlapMerge> merges = new ArrayList<>(overlapGroups.size());</span> |
| <span class="source-line-no">727</span><span id="line-727"> List<Future<Void>> rets;</span> |
| <span class="source-line-no">728</span><span id="line-728"> for (Collection<HbckRegionInfo> overlap : overlapGroups.asMap().values()) {</span> |
| <span class="source-line-no">729</span><span id="line-729"> //</span> |
| <span class="source-line-no">730</span><span id="line-730"> merges.add(new HBaseFsck.WorkItemOverlapMerge(overlap, handler));</span> |
| <span class="source-line-no">731</span><span id="line-731"> }</span> |
| <span class="source-line-no">732</span><span id="line-732"> try {</span> |
| <span class="source-line-no">733</span><span id="line-733"> rets = hbck.executor.invokeAll(merges);</span> |
| <span class="source-line-no">734</span><span id="line-734"> } catch (InterruptedException e) {</span> |
| <span class="source-line-no">735</span><span id="line-735"> LOG.error("Overlap merges were interrupted", e);</span> |
| <span class="source-line-no">736</span><span id="line-736"> return false;</span> |
| <span class="source-line-no">737</span><span id="line-737"> }</span> |
| <span class="source-line-no">738</span><span id="line-738"> for (int i = 0; i < merges.size(); i++) {</span> |
| <span class="source-line-no">739</span><span id="line-739"> HBaseFsck.WorkItemOverlapMerge work = merges.get(i);</span> |
| <span class="source-line-no">740</span><span id="line-740"> Future<Void> f = rets.get(i);</span> |
| <span class="source-line-no">741</span><span id="line-741"> try {</span> |
| <span class="source-line-no">742</span><span id="line-742"> f.get();</span> |
| <span class="source-line-no">743</span><span id="line-743"> } catch (ExecutionException e) {</span> |
| <span class="source-line-no">744</span><span id="line-744"> LOG.warn("Failed to merge overlap group" + work, e.getCause());</span> |
| <span class="source-line-no">745</span><span id="line-745"> } catch (InterruptedException e) {</span> |
| <span class="source-line-no">746</span><span id="line-746"> LOG.error("Waiting for overlap merges was interrupted", e);</span> |
| <span class="source-line-no">747</span><span id="line-747"> return false;</span> |
| <span class="source-line-no">748</span><span id="line-748"> }</span> |
| <span class="source-line-no">749</span><span id="line-749"> }</span> |
| <span class="source-line-no">750</span><span id="line-750"> return true;</span> |
| <span class="source-line-no">751</span><span id="line-751"> }</span> |
| <span class="source-line-no">752</span><span id="line-752"></span> |
| <span class="source-line-no">753</span><span id="line-753"> /**</span> |
| <span class="source-line-no">754</span><span id="line-754"> * This dumps data in a visually reasonable way for visual debugging</span> |
| <span class="source-line-no">755</span><span id="line-755"> */</span> |
| <span class="source-line-no">756</span><span id="line-756"> private void dump(SortedSet<byte[]> splits, Multimap<byte[], HbckRegionInfo> regions) {</span> |
| <span class="source-line-no">757</span><span id="line-757"> // we display this way because the last end key should be displayed as well.</span> |
| <span class="source-line-no">758</span><span id="line-758"> StringBuilder sb = new StringBuilder();</span> |
| <span class="source-line-no">759</span><span id="line-759"> for (byte[] k : splits) {</span> |
| <span class="source-line-no">760</span><span id="line-760"> sb.setLength(0); // clear out existing buffer, if any.</span> |
| <span class="source-line-no">761</span><span id="line-761"> sb.append(Bytes.toStringBinary(k) + ":\t");</span> |
| <span class="source-line-no">762</span><span id="line-762"> for (HbckRegionInfo r : regions.get(k)) {</span> |
| <span class="source-line-no">763</span><span id="line-763"> sb.append("[ " + r.toString() + ", " + Bytes.toStringBinary(r.getEndKey()) + "]\t");</span> |
| <span class="source-line-no">764</span><span id="line-764"> }</span> |
| <span class="source-line-no">765</span><span id="line-765"> hbck.getErrors().print(sb.toString());</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"></span> |
| <span class="source-line-no">769</span><span id="line-769"> private void dumpOverlapProblems(Multimap<byte[], HbckRegionInfo> regions) {</span> |
| <span class="source-line-no">770</span><span id="line-770"> // we display this way because the last end key should be displayed as</span> |
| <span class="source-line-no">771</span><span id="line-771"> // well.</span> |
| <span class="source-line-no">772</span><span id="line-772"> for (byte[] k : regions.keySet()) {</span> |
| <span class="source-line-no">773</span><span id="line-773"> hbck.getErrors().print(Bytes.toStringBinary(k) + ":");</span> |
| <span class="source-line-no">774</span><span id="line-774"> for (HbckRegionInfo r : regions.get(k)) {</span> |
| <span class="source-line-no">775</span><span id="line-775"> hbck.getErrors()</span> |
| <span class="source-line-no">776</span><span id="line-776"> .print("[ " + r.toString() + ", " + Bytes.toStringBinary(r.getEndKey()) + "]");</span> |
| <span class="source-line-no">777</span><span id="line-777"> }</span> |
| <span class="source-line-no">778</span><span id="line-778"> hbck.getErrors().print("----");</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"></span> |
| <span class="source-line-no">782</span><span id="line-782"> private void dumpSidelinedRegions(Map<Path, HbckRegionInfo> regions) {</span> |
| <span class="source-line-no">783</span><span id="line-783"> for (Map.Entry<Path, HbckRegionInfo> entry : regions.entrySet()) {</span> |
| <span class="source-line-no">784</span><span id="line-784"> TableName tableName = entry.getValue().getTableName();</span> |
| <span class="source-line-no">785</span><span id="line-785"> Path path = entry.getKey();</span> |
| <span class="source-line-no">786</span><span id="line-786"> hbck.getErrors().print("This sidelined region dir should be bulk loaded: " + path.toString());</span> |
| <span class="source-line-no">787</span><span id="line-787"> hbck.getErrors().print("Bulk load command looks like: " + BulkLoadHFilesTool.NAME + " "</span> |
| <span class="source-line-no">788</span><span id="line-788"> + path.toUri().getPath() + " " + tableName);</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> |
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| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
