http://git-wip-us.apache.org/repos/asf/hbase-site/blob/d702fb71/devapidocs/src-html/org/apache/hadoop/hbase/util/HBaseFsck.WorkItemRegion.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/util/HBaseFsck.WorkItemRegion.html b/devapidocs/src-html/org/apache/hadoop/hbase/util/HBaseFsck.WorkItemRegion.html index 62f81b6..f6f6104 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/util/HBaseFsck.WorkItemRegion.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/util/HBaseFsck.WorkItemRegion.html @@ -930,7 +930,7 @@ <span class="sourceLineNo">922</span> // For all the stores in this column family.<a name="line.922"></a> <span class="sourceLineNo">923</span> for (FileStatus storeFile : storeFiles) {<a name="line.923"></a> <span class="sourceLineNo">924</span> HFile.Reader reader = HFile.createReader(fs, storeFile.getPath(),<a name="line.924"></a> -<span class="sourceLineNo">925</span> new CacheConfig(getConf()), true, getConf());<a name="line.925"></a> +<span class="sourceLineNo">925</span> CacheConfig.DISABLED, true, getConf());<a name="line.925"></a> <span class="sourceLineNo">926</span> if ((reader.getFirstKey() != null)<a name="line.926"></a> <span class="sourceLineNo">927</span> && ((storeFirstKey == null) || (comparator.compare(storeFirstKey,<a name="line.927"></a> <span class="sourceLineNo">928</span> ((KeyValue.KeyOnlyKeyValue) reader.getFirstKey().get()).getKey()) > 0))) {<a name="line.928"></a> @@ -1033,4295 +1033,4294 @@ <span class="sourceLineNo">1025</span> byte[] start, end;<a name="line.1025"></a> <span class="sourceLineNo">1026</span> HFile.Reader hf = null;<a name="line.1026"></a> <span class="sourceLineNo">1027</span> try {<a name="line.1027"></a> -<span class="sourceLineNo">1028</span> CacheConfig cacheConf = new CacheConfig(getConf());<a name="line.1028"></a> -<span class="sourceLineNo">1029</span> hf = HFile.createReader(fs, hfile.getPath(), cacheConf, true, getConf());<a name="line.1029"></a> -<span class="sourceLineNo">1030</span> hf.loadFileInfo();<a name="line.1030"></a> -<span class="sourceLineNo">1031</span> Optional<Cell> startKv = hf.getFirstKey();<a name="line.1031"></a> -<span class="sourceLineNo">1032</span> start = CellUtil.cloneRow(startKv.get());<a name="line.1032"></a> -<span class="sourceLineNo">1033</span> Optional<Cell> endKv = hf.getLastKey();<a name="line.1033"></a> -<span class="sourceLineNo">1034</span> end = CellUtil.cloneRow(endKv.get());<a name="line.1034"></a> -<span class="sourceLineNo">1035</span> } catch (IOException ioe) {<a name="line.1035"></a> -<span class="sourceLineNo">1036</span> LOG.warn("Problem reading orphan file " + hfile + ", skipping");<a name="line.1036"></a> -<span class="sourceLineNo">1037</span> continue;<a name="line.1037"></a> -<span class="sourceLineNo">1038</span> } catch (NullPointerException ioe) {<a name="line.1038"></a> -<span class="sourceLineNo">1039</span> LOG.warn("Orphan file " + hfile + " is possibly corrupted HFile, skipping");<a name="line.1039"></a> -<span class="sourceLineNo">1040</span> continue;<a name="line.1040"></a> -<span class="sourceLineNo">1041</span> } finally {<a name="line.1041"></a> -<span class="sourceLineNo">1042</span> if (hf != null) {<a name="line.1042"></a> -<span class="sourceLineNo">1043</span> hf.close();<a name="line.1043"></a> -<span class="sourceLineNo">1044</span> }<a name="line.1044"></a> -<span class="sourceLineNo">1045</span> }<a name="line.1045"></a> -<span class="sourceLineNo">1046</span><a name="line.1046"></a> -<span class="sourceLineNo">1047</span> // expand the range to include the range of all hfiles<a name="line.1047"></a> -<span class="sourceLineNo">1048</span> if (orphanRegionRange == null) {<a name="line.1048"></a> -<span class="sourceLineNo">1049</span> // first range<a name="line.1049"></a> -<span class="sourceLineNo">1050</span> orphanRegionRange = new Pair<>(start, end);<a name="line.1050"></a> -<span class="sourceLineNo">1051</span> } else {<a name="line.1051"></a> -<span class="sourceLineNo">1052</span> // TODO add test<a name="line.1052"></a> -<span class="sourceLineNo">1053</span><a name="line.1053"></a> -<span class="sourceLineNo">1054</span> // expand range only if the hfile is wider.<a name="line.1054"></a> -<span class="sourceLineNo">1055</span> if (Bytes.compareTo(orphanRegionRange.getFirst(), start) > 0) {<a name="line.1055"></a> -<span class="sourceLineNo">1056</span> orphanRegionRange.setFirst(start);<a name="line.1056"></a> -<span class="sourceLineNo">1057</span> }<a name="line.1057"></a> -<span class="sourceLineNo">1058</span> if (Bytes.compareTo(orphanRegionRange.getSecond(), end) < 0 ) {<a name="line.1058"></a> -<span class="sourceLineNo">1059</span> orphanRegionRange.setSecond(end);<a name="line.1059"></a> -<span class="sourceLineNo">1060</span> }<a name="line.1060"></a> -<span class="sourceLineNo">1061</span> }<a name="line.1061"></a> -<span class="sourceLineNo">1062</span> }<a name="line.1062"></a> -<span class="sourceLineNo">1063</span> }<a name="line.1063"></a> -<span class="sourceLineNo">1064</span> if (orphanRegionRange == null) {<a name="line.1064"></a> -<span class="sourceLineNo">1065</span> LOG.warn("No data in dir " + p + ", sidelining data");<a name="line.1065"></a> -<span class="sourceLineNo">1066</span> fixes++;<a name="line.1066"></a> -<span class="sourceLineNo">1067</span> sidelineRegionDir(fs, hi);<a name="line.1067"></a> -<span class="sourceLineNo">1068</span> return;<a name="line.1068"></a> -<span class="sourceLineNo">1069</span> }<a name="line.1069"></a> -<span class="sourceLineNo">1070</span> LOG.info("Min max keys are : [" + Bytes.toString(orphanRegionRange.getFirst()) + ", " +<a name="line.1070"></a> -<span class="sourceLineNo">1071</span> Bytes.toString(orphanRegionRange.getSecond()) + ")");<a name="line.1071"></a> -<span class="sourceLineNo">1072</span><a name="line.1072"></a> -<span class="sourceLineNo">1073</span> // create new region on hdfs. move data into place.<a name="line.1073"></a> -<span class="sourceLineNo">1074</span> RegionInfo regionInfo = RegionInfoBuilder.newBuilder(template.getTableName())<a name="line.1074"></a> -<span class="sourceLineNo">1075</span> .setStartKey(orphanRegionRange.getFirst())<a name="line.1075"></a> -<span class="sourceLineNo">1076</span> .setEndKey(Bytes.add(orphanRegionRange.getSecond(), new byte[1]))<a name="line.1076"></a> -<span class="sourceLineNo">1077</span> .build();<a name="line.1077"></a> -<span class="sourceLineNo">1078</span> LOG.info("Creating new region : " + regionInfo);<a name="line.1078"></a> -<span class="sourceLineNo">1079</span> HRegion region = HBaseFsckRepair.createHDFSRegionDir(getConf(), regionInfo, template);<a name="line.1079"></a> -<span class="sourceLineNo">1080</span> Path target = region.getRegionFileSystem().getRegionDir();<a name="line.1080"></a> -<span class="sourceLineNo">1081</span><a name="line.1081"></a> -<span class="sourceLineNo">1082</span> // rename all the data to new region<a name="line.1082"></a> -<span class="sourceLineNo">1083</span> mergeRegionDirs(target, hi);<a name="line.1083"></a> -<span class="sourceLineNo">1084</span> fixes++;<a name="line.1084"></a> -<span class="sourceLineNo">1085</span> }<a name="line.1085"></a> -<span class="sourceLineNo">1086</span><a name="line.1086"></a> -<span class="sourceLineNo">1087</span> /**<a name="line.1087"></a> -<span class="sourceLineNo">1088</span> * This method determines if there are table integrity errors in HDFS. 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We are done with this phase. Glorious.");<a name="line.1106"></a> -<span class="sourceLineNo">1107</span> return 0;<a name="line.1107"></a> -<span class="sourceLineNo">1108</span> }<a name="line.1108"></a> -<span class="sourceLineNo">1109</span><a name="line.1109"></a> -<span class="sourceLineNo">1110</span> if (shouldFixHdfsOrphans() && orphanHdfsDirs.size() > 0) {<a name="line.1110"></a> -<span class="sourceLineNo">1111</span> adoptHdfsOrphans(orphanHdfsDirs);<a name="line.1111"></a> -<span class="sourceLineNo">1112</span> // TODO optimize by incrementally adding instead of reloading.<a name="line.1112"></a> -<span class="sourceLineNo">1113</span> }<a name="line.1113"></a> -<span class="sourceLineNo">1114</span><a name="line.1114"></a> -<span class="sourceLineNo">1115</span> // Make sure there are no holes now.<a name="line.1115"></a> -<span class="sourceLineNo">1116</span> if (shouldFixHdfsHoles()) {<a name="line.1116"></a> -<span class="sourceLineNo">1117</span> clearState(); // this also resets # fixes.<a name="line.1117"></a> -<span class="sourceLineNo">1118</span> loadHdfsRegionDirs();<a name="line.1118"></a> -<span class="sourceLineNo">1119</span> tablesInfo = loadHdfsRegionInfos(); // update tableInfos based on region info in fs.<a name="line.1119"></a> -<span class="sourceLineNo">1120</span> tablesInfo = checkHdfsIntegrity(shouldFixHdfsHoles(), false);<a name="line.1120"></a> -<span class="sourceLineNo">1121</span> }<a name="line.1121"></a> -<span class="sourceLineNo">1122</span><a name="line.1122"></a> -<span class="sourceLineNo">1123</span> // Now we fix overlaps<a name="line.1123"></a> -<span class="sourceLineNo">1124</span> if (shouldFixHdfsOverlaps()) {<a name="line.1124"></a> -<span class="sourceLineNo">1125</span> // second pass we fix overlaps.<a name="line.1125"></a> -<span class="sourceLineNo">1126</span> clearState(); // this also resets # fixes.<a name="line.1126"></a> -<span class="sourceLineNo">1127</span> loadHdfsRegionDirs();<a name="line.1127"></a> -<span class="sourceLineNo">1128</span> tablesInfo = loadHdfsRegionInfos(); // update tableInfos based on region info in fs.<a name="line.1128"></a> -<span class="sourceLineNo">1129</span> tablesInfo = checkHdfsIntegrity(false, shouldFixHdfsOverlaps());<a name="line.1129"></a> -<span class="sourceLineNo">1130</span> }<a name="line.1130"></a> -<span class="sourceLineNo">1131</span><a name="line.1131"></a> -<span class="sourceLineNo">1132</span> return errors.getErrorList().size();<a name="line.1132"></a> -<span class="sourceLineNo">1133</span> }<a name="line.1133"></a> -<span class="sourceLineNo">1134</span><a name="line.1134"></a> -<span class="sourceLineNo">1135</span> /**<a name="line.1135"></a> -<span class="sourceLineNo">1136</span> * Scan all the store file names to find any lingering reference files,<a name="line.1136"></a> -<span class="sourceLineNo">1137</span> * which refer to some none-exiting files. If "fix" option is enabled,<a name="line.1137"></a> -<span class="sourceLineNo">1138</span> * any lingering reference file will be sidelined if found.<a name="line.1138"></a> -<span class="sourceLineNo">1139</span> * <p><a name="line.1139"></a> -<span class="sourceLineNo">1140</span> * Lingering reference file prevents a region from opening. 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// good, expected<a name="line.1155"></a> -<span class="sourceLineNo">1156</span><a name="line.1156"></a> -<span class="sourceLineNo">1157</span> // Found a lingering reference file<a name="line.1157"></a> -<span class="sourceLineNo">1158</span> errors.reportError(ERROR_CODE.LINGERING_REFERENCE_HFILE,<a name="line.1158"></a> -<span class="sourceLineNo">1159</span> "Found lingering reference file " + path);<a name="line.1159"></a> -<span class="sourceLineNo">1160</span> if (!shouldFixReferenceFiles()) continue;<a name="line.1160"></a> -<span class="sourceLineNo">1161</span><a name="line.1161"></a> -<span class="sourceLineNo">1162</span> // Now, trying to fix it since requested<a name="line.1162"></a> -<span class="sourceLineNo">1163</span> boolean success = false;<a name="line.1163"></a> -<span class="sourceLineNo">1164</span> String pathStr = path.toString();<a name="line.1164"></a> -<span class="sourceLineNo">1165</span><a name="line.1165"></a> -<span class="sourceLineNo">1166</span> // A reference file path should be like<a name="line.1166"></a> -<span class="sourceLineNo">1167</span> // ${hbase.rootdir}/data/namespace/table_name/region_id/family_name/referred_file.region_name<a name="line.1167"></a> -<span class="sourceLineNo">1168</span> // Up 5 directories to get the root folder.<a name="line.1168"></a> -<span class="sourceLineNo">1169</span> // So the file will be sidelined to a similar folder structure.<a name="line.1169"></a> -<span class="sourceLineNo">1170</span> int index = pathStr.lastIndexOf(Path.SEPARATOR_CHAR);<a name="line.1170"></a> -<span class="sourceLineNo">1171</span> for (int i = 0; index > 0 && i < 5; i++) {<a name="line.1171"></a> -<span class="sourceLineNo">1172</span> index = pathStr.lastIndexOf(Path.SEPARATOR_CHAR, index - 1);<a name="line.1172"></a> -<span class="sourceLineNo">1173</span> }<a name="line.1173"></a> -<span class="sourceLineNo">1174</span> if (index > 0) {<a name="line.1174"></a> -<span class="sourceLineNo">1175</span> Path rootDir = getSidelineDir();<a name="line.1175"></a> -<span class="sourceLineNo">1176</span> Path dst = new Path(rootDir, pathStr.substring(index + 1));<a name="line.1176"></a> -<span class="sourceLineNo">1177</span> fs.mkdirs(dst.getParent());<a name="line.1177"></a> -<span class="sourceLineNo">1178</span> LOG.info("Trying to sideline reference file "<a name="line.1178"></a> -<span class="sourceLineNo">1179</span> + path + " to " + dst);<a name="line.1179"></a> -<span class="sourceLineNo">1180</span> setShouldRerun();<a name="line.1180"></a> -<span class="sourceLineNo">1181</span><a name="line.1181"></a> -<span class="sourceLineNo">1182</span> success = fs.rename(path, dst);<a name="line.1182"></a> -<span class="sourceLineNo">1183</span> debugLsr(dst);<a name="line.1183"></a> -<span class="sourceLineNo">1184</span><a name="line.1184"></a> -<span class="sourceLineNo">1185</span> }<a name="line.1185"></a> -<span class="sourceLineNo">1186</span> if (!success) {<a name="line.1186"></a> -<span class="sourceLineNo">1187</span> LOG.error("Failed to sideline reference file " + path);<a name="line.1187"></a> -<span class="sourceLineNo">1188</span> }<a name="line.1188"></a> -<span class="sourceLineNo">1189</span> }<a name="line.1189"></a> -<span class="sourceLineNo">1190</span> }<a name="line.1190"></a> -<span class="sourceLineNo">1191</span><a name="line.1191"></a> -<span class="sourceLineNo">1192</span> /**<a name="line.1192"></a> -<span class="sourceLineNo">1193</span> * Scan all the store file names to find any lingering HFileLink files,<a name="line.1193"></a> -<span class="sourceLineNo">1194</span> * which refer to some none-exiting files. If "fix" option is enabled,<a name="line.1194"></a> -<span class="sourceLineNo">1195</span> * any lingering HFileLink file will be sidelined if found.<a name="line.1195"></a> -<span class="sourceLineNo">1196</span> */<a name="line.1196"></a> -<span class="sourceLineNo">1197</span> private void offlineHLinkFileRepair() throws IOException, InterruptedException {<a name="line.1197"></a> -<span class="sourceLineNo">1198</span> Configuration conf = getConf();<a name="line.1198"></a> -<span class="sourceLineNo">1199</span> Path hbaseRoot = FSUtils.getRootDir(conf);<a name="line.1199"></a> -<span class="sourceLineNo">1200</span> FileSystem fs = hbaseRoot.getFileSystem(conf);<a name="line.1200"></a> -<span class="sourceLineNo">1201</span> LOG.info("Computing mapping of all link files");<a name="line.1201"></a> -<span class="sourceLineNo">1202</span> Map<String, Path> allFiles = FSUtils<a name="line.1202"></a> -<span class="sourceLineNo">1203</span> .getTableStoreFilePathMap(fs, hbaseRoot, new FSUtils.HFileLinkFilter(), executor, errors);<a name="line.1203"></a> -<span class="sourceLineNo">1204</span> errors.print("");<a name="line.1204"></a> -<span class="sourceLineNo">1205</span><a name="line.1205"></a> -<span class="sourceLineNo">1206</span> LOG.info("Validating mapping using HDFS state");<a name="line.1206"></a> -<span class="sourceLineNo">1207</span> for (Path path : allFiles.values()) {<a name="line.1207"></a> -<span class="sourceLineNo">1208</span> // building HFileLink object to gather locations<a name="line.1208"></a> -<span class="sourceLineNo">1209</span> HFileLink actualLink = HFileLink.buildFromHFileLinkPattern(conf, path);<a name="line.1209"></a> -<span class="sourceLineNo">1210</span> if (actualLink.exists(fs)) continue; // good, expected<a name="line.1210"></a> -<span class="sourceLineNo">1211</span><a name="line.1211"></a> -<span class="sourceLineNo">1212</span> // Found a lingering HFileLink<a name="line.1212"></a> -<span class="sourceLineNo">1213</span> errors.reportError(ERROR_CODE.LINGERING_HFILELINK, "Found lingering HFileLink " + path);<a name="line.1213"></a> -<span class="sourceLineNo">1214</span> if (!shouldFixHFileLinks()) continue;<a name="line.1214"></a> -<span class="sourceLineNo">1215</span><a name="line.1215"></a> -<span class="sourceLineNo">1216</span> // Now, trying to fix it since requested<a name="line.1216"></a> -<span class="sourceLineNo">1217</span> setShouldRerun();<a name="line.1217"></a> -<span class="sourceLineNo">1218</span><a name="line.1218"></a> -<span class="sourceLineNo">1219</span> // An HFileLink path should be like<a name="line.1219"></a> -<span class="sourceLineNo">1220</span> // ${hbase.rootdir}/data/namespace/table_name/region_id/family_name/linkedtable=linkedregionname-linkedhfilename<a name="line.1220"></a> -<span class="sourceLineNo">1221</span> // sidelineing will happen in the ${hbase.rootdir}/${sidelinedir} directory with the same folder structure.<a name="line.1221"></a> -<span 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backRefPath = FileLink.getBackReferencesDir(HFileArchiveUtil<a name="line.1231"></a> -<span class="sourceLineNo">1232</span> .getStoreArchivePath(conf, HFileLink.getReferencedTableName(path.getName().toString()),<a name="line.1232"></a> -<span class="sourceLineNo">1233</span> HFileLink.getReferencedRegionName(path.getName().toString()),<a name="line.1233"></a> -<span class="sourceLineNo">1234</span> path.getParent().getName()),<a name="line.1234"></a> -<span class="sourceLineNo">1235</span> HFileLink.getReferencedHFileName(path.getName().toString()));<a name="line.1235"></a> -<span class="sourceLineNo">1236</span> success = sidelineFile(fs, hbaseRoot, backRefPath);<a name="line.1236"></a> -<span class="sourceLineNo">1237</span><a name="line.1237"></a> -<span class="sourceLineNo">1238</span> if (!success) {<a name="line.1238"></a> -<span class="sourceLineNo">1239</span> LOG.error("Failed to sideline HFileLink backreference file " + path);<a name="line.1239"></a> -<span 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"ro" : "rw") + "\t" +<a name="line.1285"></a> -<span class="sourceLineNo">1286</span> (td.isMetaRegion() ? "META" : " ") + "\t" +<a name="line.1286"></a> -<span class="sourceLineNo">1287</span> " families: " + td.getColumnFamilyCount());<a name="line.1287"></a> -<span class="sourceLineNo">1288</span> }<a name="line.1288"></a> -<span class="sourceLineNo">1289</span> }<a name="line.1289"></a> -<span class="sourceLineNo">1290</span> }<a name="line.1290"></a> -<span class="sourceLineNo">1291</span><a name="line.1291"></a> -<span class="sourceLineNo">1292</span> public ErrorReporter getErrors() {<a name="line.1292"></a> -<span class="sourceLineNo">1293</span> return errors;<a name="line.1293"></a> -<span class="sourceLineNo">1294</span> }<a name="line.1294"></a> -<span class="sourceLineNo">1295</span><a name="line.1295"></a> -<span class="sourceLineNo">1296</span> /**<a name="line.1296"></a> -<span class="sourceLineNo">1297</span> * Read the .regioninfo file from the file system. 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class="sourceLineNo">1318</span> hbi.hdfsEntry.hri = hri;<a name="line.1318"></a> -<span class="sourceLineNo">1319</span> }<a name="line.1319"></a> -<span class="sourceLineNo">1320</span><a name="line.1320"></a> -<span class="sourceLineNo">1321</span> /**<a name="line.1321"></a> -<span class="sourceLineNo">1322</span> * Exception thrown when a integrity repair operation fails in an<a name="line.1322"></a> -<span class="sourceLineNo">1323</span> * unresolvable way.<a name="line.1323"></a> -<span class="sourceLineNo">1324</span> */<a name="line.1324"></a> -<span class="sourceLineNo">1325</span> public static class RegionRepairException extends IOException {<a name="line.1325"></a> -<span class="sourceLineNo">1326</span> private static final long serialVersionUID = 1L;<a name="line.1326"></a> -<span class="sourceLineNo">1327</span> final IOException ioe;<a name="line.1327"></a> -<span class="sourceLineNo">1328</span> public RegionRepairException(String s, IOException ioe) {<a 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(Bytes.compareTo(orphanRegionRange.getSecond(), end) < 0 ) {<a name="line.1057"></a> +<span class="sourceLineNo">1058</span> orphanRegionRange.setSecond(end);<a name="line.1058"></a> +<span class="sourceLineNo">1059</span> }<a name="line.1059"></a> +<span class="sourceLineNo">1060</span> }<a name="line.1060"></a> +<span class="sourceLineNo">1061</span> }<a name="line.1061"></a> +<span class="sourceLineNo">1062</span> }<a name="line.1062"></a> +<span class="sourceLineNo">1063</span> if (orphanRegionRange == null) {<a name="line.1063"></a> +<span class="sourceLineNo">1064</span> LOG.warn("No data in dir " + p + ", sidelining data");<a name="line.1064"></a> +<span class="sourceLineNo">1065</span> fixes++;<a name="line.1065"></a> +<span class="sourceLineNo">1066</span> sidelineRegionDir(fs, hi);<a name="line.1066"></a> +<span class="sourceLineNo">1067</span> return;<a name="line.1067"></a> +<span class="sourceLineNo">1068</span> }<a name="line.1068"></a> +<span 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If<a name="line.1087"></a> +<span class="sourceLineNo">1088</span> * there are errors and the appropriate "fix" options are enabled, the method<a name="line.1088"></a> +<span class="sourceLineNo">1089</span> * will first correct orphan regions making them into legit regiondirs, and<a name="line.1089"></a> +<span class="sourceLineNo">1090</span> * then reload to merge potentially overlapping regions.<a name="line.1090"></a> +<span class="sourceLineNo">1091</span> *<a name="line.1091"></a> +<span class="sourceLineNo">1092</span> * @return number of table integrity errors found<a name="line.1092"></a> +<span class="sourceLineNo">1093</span> */<a name="line.1093"></a> +<span class="sourceLineNo">1094</span> private int restoreHdfsIntegrity() throws IOException, InterruptedException {<a name="line.1094"></a> +<span class="sourceLineNo">1095</span> // Determine what's on HDFS<a name="line.1095"></a> +<span class="sourceLineNo">1096</span> LOG.info("Loading HBase regioninfo from HDFS...");<a name="line.1096"></a> +<span class="sourceLineNo">1097</span> loadHdfsRegionDirs(); // populating regioninfo table.<a name="line.1097"></a> +<span class="sourceLineNo">1098</span><a name="line.1098"></a> +<span class="sourceLineNo">1099</span> int errs = errors.getErrorList().size();<a name="line.1099"></a> +<span class="sourceLineNo">1100</span> // First time just get suggestions.<a name="line.1100"></a> +<span class="sourceLineNo">1101</span> tablesInfo = loadHdfsRegionInfos(); // update tableInfos based on region info in fs.<a name="line.1101"></a> +<span class="sourceLineNo">1102</span> checkHdfsIntegrity(false, false);<a name="line.1102"></a> +<span class="sourceLineNo">1103</span><a name="line.1103"></a> +<span class="sourceLineNo">1104</span> if (errors.getErrorList().size() == errs) {<a name="line.1104"></a> +<span class="sourceLineNo">1105</span> LOG.info("No integrity errors. We are done with this phase. Glorious.");<a name="line.1105"></a> +<span class="sourceLineNo">1106</span> return 0;<a name="line.1106"></a> +<span class="sourceLineNo">1107</span> }<a name="line.1107"></a> +<span class="sourceLineNo">1108</span><a name="line.1108"></a> +<span class="sourceLineNo">1109</span> if (shouldFixHdfsOrphans() && orphanHdfsDirs.size() > 0) {<a name="line.1109"></a> +<span class="sourceLineNo">1110</span> adoptHdfsOrphans(orphanHdfsDirs);<a name="line.1110"></a> +<span class="sourceLineNo">1111</span> // TODO optimize by incrementally adding instead of reloading.<a name="line.1111"></a> +<span class="sourceLineNo">1112</span> }<a name="line.1112"></a> +<span class="sourceLineNo">1113</span><a name="line.1113"></a> +<span class="sourceLineNo">1114</span> // Make sure there are no holes now.<a name="line.1114"></a> +<span class="sourceLineNo">1115</span> if (shouldFixHdfsHoles()) {<a name="line.1115"></a> +<span class="sourceLineNo">1116</span> clearState(); // this also resets # fixes.<a name="line.1116"></a> +<span class="sourceLineNo">1117</span> loadHdfsRegionDirs();<a name="line.1117"></a> +<span class="sourceLineNo">1118</span> tablesInfo = loadHdfsRegionInfos(); // update tableInfos based on region info in fs.<a name="line.1118"></a> +<span class="sourceLineNo">1119</span> tablesInfo = checkHdfsIntegrity(shouldFixHdfsHoles(), false);<a name="line.1119"></a> +<span class="sourceLineNo">1120</span> }<a name="line.1120"></a> +<span class="sourceLineNo">1121</span><a name="line.1121"></a> +<span class="sourceLineNo">1122</span> // Now we fix overlaps<a name="line.1122"></a> +<span class="sourceLineNo">1123</span> if (shouldFixHdfsOverlaps()) {<a name="line.1123"></a> +<span class="sourceLineNo">1124</span> // second pass we fix overlaps.<a name="line.1124"></a> +<span class="sourceLineNo">1125</span> clearState(); // this also resets # fixes.<a name="line.1125"></a> +<span class="sourceLineNo">1126</span> loadHdfsRegionDirs();<a name="line.1126"></a> +<span class="sourceLineNo">1127</span> tablesInfo = loadHdfsRegionInfos(); // update tableInfos based on region info in fs.<a name="line.1127"></a> +<span class="sourceLineNo">1128</span> tablesInfo = checkHdfsIntegrity(false, shouldFixHdfsOverlaps());<a name="line.1128"></a> +<span class="sourceLineNo">1129</span> }<a name="line.1129"></a> +<span class="sourceLineNo">1130</span><a name="line.1130"></a> +<span class="sourceLineNo">1131</span> return errors.getErrorList().size();<a name="line.1131"></a> +<span class="sourceLineNo">1132</span> }<a name="line.1132"></a> +<span class="sourceLineNo">1133</span><a name="line.1133"></a> +<span class="sourceLineNo">1134</span> /**<a name="line.1134"></a> +<span class="sourceLineNo">1135</span> * Scan all the store file names to find any lingering reference files,<a name="line.1135"></a> +<span class="sourceLineNo">1136</span> * which refer to some none-exiting files. If "fix" option is enabled,<a name="line.1136"></a> +<span class="sourceLineNo">1137</span> * any lingering reference file will be sidelined if found.<a name="line.1137"></a> +<span class="sourceLineNo">1138</span> * <p><a name="line.1138"></a> +<span class="sourceLineNo">1139</span> * Lingering reference file prevents a region from opening. It has to<a name="line.1139"></a> +<span class="sourceLineNo">1140</span> * be fixed before a cluster can start properly.<a name="line.1140"></a> +<span class="sourceLineNo">1141</span> */<a name="line.1141"></a> +<span class="sourceLineNo">1142</span> private void offlineReferenceFileRepair() throws IOException, InterruptedException {<a name="line.1142"></a> +<span class="sourceLineNo">1143</span> clearState();<a name="line.1143"></a> +<span class="sourceLineNo">1144</span> Configuration conf = getConf();<a name="line.1144"></a> +<span class="sourceLineNo">1145</span> Path hbaseRoot = FSUtils.getRootDir(conf);<a name="line.1145"></a> +<span class="sourceLineNo">1146</span> FileSystem fs = hbaseRoot.getFileSystem(conf);<a name="line.1146"></a> +<span class="sourceLineNo">1147</span> LOG.info("Computing mapping of all store files");<a name="line.1147"></a> +<span class="sourceLineNo">1148</span> Map<String, Path> allFiles = FSUtils.getTableStoreFilePathMap(fs, hbaseRoot,<a name="line.1148"></a> +<span class="sourceLineNo">1149</span> new FSUtils.ReferenceFileFilter(fs), executor, errors);<a name="line.1149"></a> +<span class="sourceLineNo">1150</span> errors.print("");<a name="line.1150"></a> +<span class="sourceLineNo">1151</span> LOG.info("Validating mapping using HDFS state");<a name="line.1151"></a> +<span class="sourceLineNo">1152</span> for (Path path: allFiles.values()) {<a name="line.1152"></a> +<span class="sourceLineNo">1153</span> Path referredToFile = StoreFileInfo.getReferredToFile(path);<a name="line.1153"></a> +<span class="sourceLineNo">1154</span> if (fs.exists(referredToFile)) continue; // good, expected<a name="line.1154"></a> +<span class="sourceLineNo">1155</span><a name="line.1155"></a> +<span class="sourceLineNo">1156</span> // Found a lingering reference file<a name="line.1156"></a> +<span class="sourceLineNo">1157</span> errors.reportError(ERROR_CODE.LINGERING_REFERENCE_HFILE,<a name="line.1157"></a> +<span class="sourceLineNo">1158</span> "Found lingering reference file " + path);<a name="line.1158"></a> +<span class="sourceLineNo">1159</span> if (!shouldFixReferenceFiles()) continue;<a name="line.1159"></a> +<span class="sourceLineNo">1160</span><a name="line.1160"></a> +<span class="sourceLineNo">1161</span> // Now, trying to fix it since requested<a name="line.1161"></a> +<span class="sourceLineNo">1162</span> boolean success = false;<a name="line.1162"></a> +<span class="sourceLineNo">1163</span> String pathStr = path.toString();<a name="line.1163"></a> +<span class="sourceLineNo">1164</span><a name="line.1164"></a> +<span class="sourceLineNo">1165</span> // A reference file path should be like<a name="line.1165"></a> +<span class="sourceLineNo">1166</span> // ${hbase.rootdir}/data/namespace/table_name/region_id/family_name/referred_file.region_name<a name="line.1166"></a> +<span class="sourceLineNo">1167</span> // Up 5 directories to get the root folder.<a name="line.1167"></a> +<span class="sourceLineNo">1168</span> // So the file will be sidelined to a similar folder structure.<a name="line.1168"></a> +<span class="sourceLineNo">1169</span> int index = pathStr.lastIndexOf(Path.SEPARATOR_CHAR);<a name="line.1169"></a> +<span class="sourceLineNo">1170</span> for (int i = 0; index > 0 && i < 5; i++) {<a name="line.1170"></a> +<span class="sourceLineNo">1171</span> index = pathStr.lastIndexOf(Path.SEPARATOR_CHAR, index - 1);<a name="line.1171"></a> +<span class="sourceLineNo">1172</span> }<a name="line.1172"></a> +<span class="sourceLineNo">1173</span> if (index > 0) {<a name="line.1173"></a> +<span class="sourceLineNo">1174</span> Path rootDir = getSidelineDir();<a name="line.1174"></a> +<span class="sourceLineNo">1175</span> Path dst = new Path(rootDir, pathStr.substring(index + 1));<a name="line.1175"></a> +<span class="sourceLineNo">1176</span> fs.mkdirs(dst.getParent());<a name="line.1176"></a> +<span class="sourceLineNo">1177</span> LOG.info("Trying to sideline reference file "<a name="line.1177"></a> +<span class="sourceLineNo">1178</span> + path + " to " + dst);<a name="line.1178"></a> +<span class="sourceLineNo">1179</span> setShouldRerun();<a name="line.1179"></a> +<span class="sourceLineNo">1180</span><a name="line.1180"></a> +<span class="sourceLineNo">1181</span> success = fs.rename(path, dst);<a name="line.1181"></a> +<span class="sourceLineNo">1182</span> debugLsr(dst);<a name="line.1182"></a> +<span class="sourceLineNo">1183</span><a name="line.1183"></a> +<span class="sourceLineNo">1184</span> }<a name="line.1184"></a> +<span class="sourceLineNo">1185</span> if (!success) {<a name="line.1185"></a> +<span class="sourceLineNo">1186</span> LOG.error("Failed to sideline reference file " + path);<a name="line.1186"></a> +<span class="sourceLineNo">1187</span> }<a name="line.1187"></a> +<span class="sourceLineNo">1188</span> }<a name="line.1188"></a> +<span class="sourceLineNo">1189</span> }<a name="line.1189"></a> +<span class="sourceLineNo">1190</span><a name="line.1190"></a> +<span class="sourceLineNo">1191</span> /**<a name="line.1191"></a> +<span class="sourceLineNo">1192</span> * Scan all the store file names to find any lingering HFileLink files,<a name="line.1192"></a> +<span class="sourceLineNo">1193</span> * which refer to some none-exiting files. If "fix" option is enabled,<a name="line.1193"></a> +<span class="sourceLineNo">1194</span> * any lingering HFileLink file will be sidelined if found.<a name="line.1194"></a> +<span class="sourceLineNo">1195</span> */<a name="line.1195"></a> +<span class="sourceLineNo">1196</span> private void offlineHLinkFileRepair() throws IOException, InterruptedException {<a name="line.1196"></a> +<span class="sourceLineNo">1197</span> Configuration conf = getConf();<a name="line.1197"></a> +<span class="sourceLineNo">1198</span> Path hbaseRoot = FSUtils.getRootDir(conf);<a name="line.1198"></a> +<span class="sourceLineNo">1199</span> FileSystem fs = hbaseRoot.getFileSystem(conf);<a name="line.1199"></a> +<span class="sourceLineNo">1200</span> LOG.info("Computing mapping of all link files");<a name="line.1200"></a> +<span class="sourceLineNo">1201</span> Map<String, Path> allFiles = FSUtils<a name="line.1201"></a> +<span class="sourceLineNo">1202</span> .getTableStoreFilePathMap(fs, hbaseRoot, new FSUtils.HFileLinkFilter(), executor, errors);<a name="line.1202"></a> +<span class="sourceLineNo">1203</span> errors.print("");<a name="line.1203"></a> +<span class="sourceLineNo">1204</span><a name="line.1204"></a> +<span class="sourceLineNo">1205</span> LOG.info("Validating mapping using HDFS state");<a name="line.1205"></a> +<span class="sourceLineNo">1206</span> for (Path path : allFiles.values()) {<a name="line.1206"></a> +<span class="sourceLineNo">1207</span> // building HFileLink object to gather locations<a name="line.1207"></a> +<span class="sourceLineNo">1208</span> HFileLink actualLink = HFileLink.buildFromHFileLinkPattern(conf, path);<a name="line.1208"></a> +<span class="sourceLineNo">1209</span> if (actualLink.exists(fs)) continue; // good, expected<a name="line.1209"></a> +<span class="sourceLineNo">1210</span><a name="line.1210"></a> +<span class="sourceLineNo">1211</span> // Found a lingering HFileLink<a name="line.1211"></a> +<span class="sourceLineNo">1212</span> errors.reportError(ERROR_CODE.LINGERING_HFILELINK, "Found lingering HFileLink " + path);<a name="line.1212"></a> +<span class="sourceLineNo">1213</span> if (!shouldFixHFileLinks()) continue;<a name="line.1213"></a> +<span class="sourceLineNo">1214</span><a name="line.1214"></a> +<span class="sourceLineNo">1215</span> // Now, trying to fix it since requested<a name="line.1215"></a> +<span class="sourceLineNo">1216</span> setShouldRerun();<a name="line.1216"></a> +<span class="sourceLineNo">1217</span><a name="line.1217"></a> +<span class="sourceLineNo">1218</span> // An HFileLink path should be like<a name="line.1218"></a> +<span class="sourceLineNo">1219</span> // ${hbase.rootdir}/data/namespace/table_name/region_id/family_name/linkedtable=linkedregionname-linkedhfilename<a name="line.1219"></a> +<span class="sourceLineNo">1220</span> // sidelineing will happen in the ${hbase.rootdir}/${sidelinedir} directory with the same folder structure.<a name="line.1220"></a> +<span class="sourceLineNo">1221</span> boolean success = sidelineFile(fs, hbaseRoot, path);<a name="line.1221"></a> +<span class="sourceLineNo">1222</span><a name="line.1222"></a> +<span class="sourceLineNo">1223</span> if (!success) {<a name="line.1223"></a> +<span class="sourceLineNo">1224</span> LOG.error("Failed to sideline HFileLink file " + path);<a name="line.1224"></a> +<span class="sourceLineNo">1225</span> }<a name="line.1225"></a> +<span class="sourceLineNo">1226</span><a name="line.1226"></a> +<span class="sourceLineNo">1227</span> // An HFileLink backreference path should be like<a name="line.1227"></a> +<span class="sourceLineNo">1228</span> // ${hbase.rootdir}/archive/data/namespace/table_name/region_id/family_name/.links-linkedhfilename<a name="line.1228"></a> +<span class="sourceLineNo">1229</span> // sidelineing will happen in the ${hbase.rootdir}/${sidelinedir} directory with the same folder structure.<a name="line.1229"></a> +<span class="sourceLineNo">1230</span> Path backRefPath = FileLink.getBackReferencesDir(HFileArchiveUtil<a name="line.1230"></a> +<span class="sourceLineNo">1231</span> .getStoreArchivePath(conf, HFileLink.getReferencedTableName(path.getName().toString()),<a name="line.1231"></a> +<span class="sourceLineNo">1232</span> HFileLink.getReferencedRegionName(path.getName().toString()),<a name="line.1232"></a> +<span class="sourceLineNo">1233</span> path.getParent().getName()),<a name="line.1233"></a> +<span class="sourceLineNo">1234</span> HFileLink.getReferencedHFileName(path.getName().toString()));<a name="line.1234"></a> +<span class="sourceLineNo">1235</span> success = sidelineFile(fs, hbaseRoot, backRefPath);<a name="line.1235"></a> +<span class="sourceLineNo">1236</span><a name="line.1236"></a> +<span class="sourceLineNo">1237</span> if (!success) {<a name="line.1237"></a> +<span class="sourceLineNo">1238</span> LOG.error("Failed to sideline HFileLink backreference file " + path);<a name="line.1238"></a> +<span class="sourceLineNo">1239</span> }<a name="line.1239"></a> +<span class="sourceLineNo">1240</span> }<a name="line.1240"></a> +<span class="sourceLineNo">1241</span> }<a name="line.1241"></a> +<span class="sourceLineNo">1242</span><a name="line.1242"></a> +<span class="sourceLineNo">1243</span> private boolean sidelineFile(FileSystem fs, Path hbaseRoot, Path path) throws IOException {<a name="line.1243"></a> +<span class="sourceLineNo">1244</span> URI uri = hbaseRoot.toUri().relativize(path.toUri());<a name="line.1244"></a> +<span class="sourceLineNo">1245</span> if (uri.isAbsolute()) return false;<a name="line.1245"></a> +<span class="sourceLineNo">1246</span> String relativePath = uri.getPath();<a name="line.1246"></a> +<span class="sourceLineNo">1247</span> Path rootDir = getSidelineDir();<a name="line.1247"></a> +<span class="sourceLineNo">1248</span> Path dst = new Path(rootDir, relativePath);<a name="line.1248"></a> +<span class="sourceLineNo">1249</span> boolean pathCreated = fs.mkdirs(dst.getParent());<a name="line.1249"></a> +<span class="sourceLineNo">1250</span> if (!pathCreated) {<a name="line.1250"></a> +<span class="sourceLineNo">1251</span> LOG.error("Failed to create path: " + dst.getParent());<a name="line.1251"></a> +<span class="sourceLineNo">1252</span> return false;<a name="line.1252"></a> +<span class="sourceLineNo">1253</span> }<a name="line.1253"></a> +<span class="sourceLineNo">1254</span> LOG.info("Trying to sideline file " + path + " to " + dst);<a name="line.1254"></a> +<span class="sourceLineNo">1255</span> return fs.rename(path, dst);<a name="line.1255"></a> +<span class="sourceLineNo">1256</span> }<a name="line.1256"></a> +<span class="sourceLineNo">1257</span><a name="line.1257"></a> +<span class="sourceLineNo">1258</span> /**<a name="line.1258"></a> +<span class="sourceLineNo">1259</span> * TODO -- need to add tests for this.<a name="line.1259"></a> +<span class="sourceLineNo">1260</span> */<a name="line.1260"></a> +<span class="sourceLineNo">1261</span> private void reportEmptyMetaCells() {<a name="line.1261"></a> +<span class="sourceLineNo">1262</span> errors.print("Number of empty REGIONINFO_QUALIFIER rows in hbase:meta: " +<a name="line.1262"></a> +<span class="sourceLineNo">1263</span> emptyRegionInfoQualifiers.size());<a name="line.1263"></a> +<span class="sourceLineNo">1264</span> if (details) {<a name="line.1264"></a> +<span class="sourceLineNo">1265</span> for (Result r: emptyRegionInfoQualifiers) {<a name="line.1265"></a> +<span class="sourceLineNo">1266</span> errors.print(" " + r);<a name="line.1266"></a> +<span class="sourceLineNo">1267</span> }<a name="line.1267"></a> +<span class="sourceLineNo">1268</span> }<a name="line.1268"></a> +<span class="sourceLineNo">1269</span> }<a name="line.1269"></a> +<span class="sourceLineNo">1270</span><a name="line.1270"></a> +<span class="sourceLineNo">1271</span> /**<a name="line.1271"></a> +<span class="sourceLineNo">1272</span> * TODO -- need to add tests for this.<a name="line.1272"></a> +<span class="sourceLineNo">1273</span> */<a name="line.1273"></a> +<span class="sourceLineNo">1274</span> private void reportTablesInFlux() {<a name="line.1274"></a> +<span class="sourceLineNo">1275</span> AtomicInteger numSkipped = new AtomicInteger(0);<a name="line.1275"></a> +<span class="sourceLineNo">1276</span> TableDescriptor[] allTables = getTables(numSkipped);<a name="line.1276"></a> +<span class="sourceLineNo">1277</span> errors.print("Number of Tables: " + allTables.length);<a name="line.1277"></a> +<span class="sourceLineNo">1278</span> if (details) {<a name="line.1278"></a> +<span class="sourceLineNo">1279</span> if (numSkipped.get() > 0) {<a name="line.1279"></a> +<span class="sourceLineNo">1280</span> errors.detail("Number of Tables in flux: " + numSkipped.get());<a name="line.1280"></a> +<span class="sourceLineNo">1281</span> }<a name="line.1281"></a> +<span class="sourceLineNo">1282</span> for (TableDescriptor td : allTables) {<a name="line.1282"></a> +<span class="sourceLineNo">1283</span> errors.detail(" Table: " + td.getTableName() + "\t" +<a name="line.1283"></a> +<span class="sourceLineNo">1284</span> (td.isReadOnly() ? "ro" : "rw") + "\t" +<a name="line.1284"></a> +<span class="sourceLineNo">1285</span> (td.isMetaRegion() ? "META" : " ") + "\t" +<a name="line.1285"></a> +<span class="sourceLineNo">1286</span> " families: " + td.getColumnFamilyCount());<a name="line.1286"></a> +<span class="sourceLineNo">1287</span> }<a name="line.1287"></a> +<span class="sourceLineNo">1288</span> }<a name="line.1288"></a> +<span class="sourceLineNo">1289</span> }<a name="line.1289"></a> +<span class="sourceLineNo">1290</span><a name="line.1290"></a> +<span class="sourceLineNo">1291</span> public ErrorReporter getErrors() {<a name="line.1291"></a> +<span class="sourceLineNo">1292</span> return errors;<a name="line.1292"></a> +<span class="sourceLineNo">1293</span> }<a name="line.1293"></a> +<span class="sourceLineNo">1294</span><a name="line.1294"></a> +<span class="sourceLineNo">1295</span> /**<a name="line.1295"></a> +<span class="sourceLineNo">1296</span> * Read the .regioninfo file from the file system. If there is no<a name="line.1296"></a> +<span class="sourceLineNo">1297</span> * .regioninfo, add it to the orphan hdfs region list.<a name="line.1297"></a> +<span class="sourceLineNo">1298</span> */<a name="line.1298"></a> +<span class="sourceLineNo">1299</span> private void loadHdfsRegioninfo(HbckInfo hbi) throws IOException {<a name="line.1299"></a> +<span class="sourceLineNo">1300</span> Path regionDir = hbi.getHdfsRegionDir();<a name="line.1300"></a> +<span class="sourceLineNo">1301</span> if (regionDir == null) {<a name="line.1301"></a> +<span class="sourceLineNo">1302</span> if (hbi.getReplicaId() == RegionInfo.DEFAULT_REPLICA_ID) {<a name="line.1302"></a> +<span class="sourceLineNo">1303</span> // Log warning only for default/ primary replica with no region dir<a name="line.1303"></a> +<span class="sourceLineNo">1304</span> LOG.warn("No HDFS region dir found: " + hbi + " meta=" + hbi.metaEntry);<a name="line.1304"></a> +<span class="sourceLineNo">1305</span> }<a name="line.1305"></a> +<span class="sourceLineNo">1306</span> return;<a name="line.1306"></a> +<span class="sourceLineNo">1307</span> }<a name="line.1307"></a> +<span class="sourceLineNo">1308</span><a name="line.1308"></a> +<span class="sourceLineNo">1309</span> if (hbi.hdfsEntry.hri != null) {<a name="line.1309"></a> +<span class="sourceLineNo">1310</span> // already loaded data<a name="line.1310"></a> +<span class="sourceLineNo">1311</span> return;<a name="line.1311"></a> +<span class="sourceLineNo">1312</span> }<a name="line.1312"></a> +<span class="sourceLineNo">1313</span><a name="line.1313"></a> +<span class="sourceLineNo">1314</span> FileSystem fs = FileSystem.get(getConf());<a name="line.1314"></a> +<span class="sourceLineNo">1315</span> RegionInfo hri = HRegionFileSystem.loadRegionInfoFileContent(fs, regionDir);<a name="line.1315"></a> +<span class="sourceLineNo">1316</span> LOG.debug("RegionInfo read: " + hri.toString());<a name="line.1316"></a> +<span class="sourceLineNo">1317</span> hbi.hdfsEntry.hri = hri;<a name="line.1317"></a> +<span class="sourceLineNo">1318</span> }<a name="line.1318"></a> +<span class="sourceLineNo">1319</span><a name="line.1319"></a> +<span class="sourceLineNo">1320</span> /**<a name="line.1320"></a> +<span class="sourceLineNo">1321</span> * Exception thrown when a integrity repair operation fails in an<a name="line.1321"></a> +<span class="sourceLineNo">1322</span> * unresolvable way.<a name="line.1322"></a> +<span class="sourceLineNo">1323</span> */<a name="line.1323"></a> +<span class="sourceLineNo">1324</span> public static class RegionRepairException extends IOException {<a name="line.1324"></a> +<span class="sourceLineNo">1325</span> private static final long serialVersionUID = 1L;<a name="line.1325"></a> +<span class="sourceLineNo">1326</span> final IOException ioe;<a name="line.1326"></a> +<span class="sourceLineNo">1327</span> public RegionRepairException(String s, IOException ioe) {<a name="line.1327"></a> +<span class="sourceLineNo">1328</span> super(s);<a name="line.1328"></a> +<span class="sourceLineNo">1329</span> this.ioe = ioe;<a name="line.1329"></a> +<span class="sourceLineNo">1330</span> }<a name="line.1330"></a> +<span class="sourceLineNo">1331</span> }<a name="line.1331"></a> +<span class="sourceLineNo">1332</span><a name="line.1332"></a> +<span class="sourceLineNo">1333</span> /**<a name="line.1333"></a> +<span class="sourceLineNo">1334</span> * Populate hbi's from regionInfos loaded from file system.<a name="line.1334"></a> +<span class="sourceLineNo">1335</span> */<a name="line.1335"></a> +<span class="sourceLineNo">1336</span> private SortedMap<TableName, TableInfo> loadHdfsRegionInfos()<a name="line.1336"></a> +<span class="sourceLineNo">1337</span> throws IOException, InterruptedException {<a name="line.1337"></a> +<span class="sourceLineNo">1338</span> tablesInfo.clear(); // regenerating the data<a name="line.1338"></a> +<span class="sourceLineNo">1339</span> // generate region split structure<a name="line.1339"></a> +<span class="sourceLineNo">1340</span> Collection<HbckInfo> hbckInfos = regionInfoMap.values();<a name="line.1340"></a> +<span class="sourceLineNo">1341</span><a name="line.1341"></a> +<span class="sourceLineNo">1342</span> // Parallelized read of .regioninfo files.<a name="line.1342"></a> +<span class="sourceLineNo">1343</span> List<WorkItemHdfsRegionInfo> hbis = new ArrayList<>(hbckInfos.size());<a name="line.1343"></a> +<span class="sourceLineNo">1344</span> List<Future<Void>> hbiFutures;<a name="line.1344"></a> +<span class="sourceLineNo">1345</span><a name="line.1345"></a> +<span class="sourceLineNo">1346</span> for (HbckInfo hbi : hbckInfos) {<a name="line.1346"></a> +<span class="sourceLineNo">1347</span> WorkItemHdfsRegionInfo work = new WorkItemHdfsRegionInfo(hbi, this, errors);<a name="line.1347"></a> +<span class="sourceLineNo">1348</span> hbis.add(work);<a name="line.1348"></a> +<span class="sourceLineNo">1349</span> }<a name="line.1349"></a> +<span class="sourceLineNo">1350</span><a name="line.1350"></a> +<span class="sourceLineNo">1351</span> // Submit and wait for completion<a name="line.1351"></a> +<span class="sourceLineNo">1352</span> hbiFutures = executor.invokeAll(hbis);<a name="line.1352"></a> +<span class="sourceLineNo">1353</span><a name="line.1353"></a> +<span class="sourceLineNo">1354</span> for(int i=0; i<hbiFutures.size(); i++) {<a name="line.1354"></a> +<span class="sourceLineNo">1355</span> WorkItemHdfsRegionInfo work = hbis.get(i);<a name="line.1355"></a> +<span class="sourceLineNo">1356</span> Future<Void> f = hbiFutures.get(i);<a name="line.1356"></a> +<span class="sourceLineNo">1357</span> try {<a name="line.1357"></a> +<span class="sourceLineNo">1358</span> f.get();<a name="line.1358"></a> +<span class="sourceLineNo">1359</span> } catch(ExecutionException e) {<a name="line.1359"></a> +<span class="sourceLineNo">1360</span> LOG.warn("Failed to read .regioninfo file for region " +<a name="line.1360"></a> +<span class="sourceLineNo">1361</span> work.hbi.getRegionNameAsString(), e.getCause());<a name="line.1361"></a> +<span class="sourceLineNo">1362</span> }<a name="line.1362"></a> +<span class="sourceLineNo">1363</span> }<a name="line.1363"></a> +<span class="sourceLineNo">1364</span><a name="line.1364"></a> +<span class="sourceLineNo">1365</span> Path hbaseRoot = FSUtils.getRootDir(getConf());<a name="line.1365"></a> +<span class="sourceLineNo">1366</span> FileSystem fs = hbaseRoot.getFileSystem(getConf());<a name="line.1366"></a> +<span class="sourceLineNo">1367</span> // serialized table info gathering.<a name="line.1367"></a> +<span class="sourceLineNo">1368</span> for (HbckInfo hbi: hbckInfos) {<a name="line.1368"></a> +<span class="sourceLineNo">1369</span><a name="line.1369"></a> +<span class="sourceLineNo">1370</span> if (hbi.getHdfsHRI() == null) {<a name="line.1370"></a> +<span class="sourceLineNo">1371</span> // was an orphan<a name="line.1371"></a> +<span class="sourceLineNo">1372</span> continue;<a name="line.1372"></a> +<span class="sourceLineNo">1373</span> }<a name="line.1373"></a> +<span class="sourceLineNo">1374</span><a name="line.1374"></a> <span class="sourceLineNo">1375</span><a name="line.1375"></a> -<span class="sourceLineNo">1376</span><a name="line.1376"></a> -<span class="sourceLineNo">1377</span> // get table name from hdfs, populate various HBaseFsck tables.<a name="line.1377"></a> -<span class="sourceLineNo">1378</span> TableName tableName = hbi.getTableName();<a name="line.1378"></a> -<span class="sourceLineNo">1379</span> if (tableName == null) {<a name="line.1379"></a> -<span class="sourceLineNo">1380</span> // There was an entry in hbase:meta not in the HDFS?<a name="line.1380"></a> -<span class="sourceLineNo">1381</span> LOG.warn("tableName was null for: " + hbi);<a name="line.1381"></a> -<span class="sourceLineNo">1382</span> continue;<a name="line.1382"></a> -<span class="sourceLineNo">1383</span> }<a name="line.1383"></a> -<span class="sourceLineNo">1384</span><a name="line.1384"></a> -<span class="sourceLineNo">1385</span> TableInfo modTInfo = tablesInfo.get(tableName);<a name="line.1385"></a> -<span class="sourceLineNo">1386</span> if (modTInfo == null) {<a name="line.1386"></a> -<span class="sourceLineNo">1387</span> // only executed once per table.<a name="line.1387"></a> -<span class="sourceLineNo">1388</span> modTInfo = new TableInfo(tableName);<a name="line.1388"></a> -<span class="sourceLineNo">1389</span> tablesInfo.put(tableName, modTInfo);<a name="line.1389"></a> -<span class="sourceLineNo">1390</span> try {<a name="line.1390"></a> -<span class="sourceLineNo">1391</span> TableDescriptor htd =<a name="line.1391"></a> -<span class="sourceLineNo">1392</span> FSTableDescriptors.getTableDescriptorFromFs(fs, hbaseRoot, tableName);<a name="line.1392"></a> -<span class="sourceLineNo">1393</span> modTInfo.htds.add(htd);<a name="line.1393"></a> -<span class="sourceLineNo">1394</span> } catch (IOException ioe) {<a name="line.1394"></a> -<span class="sourceLineNo">1395</span> if (!orphanTableDirs.containsKey(tableName)) {<a name="line.1395"></a> -<span class="sourceLineNo">1396</span> LOG.warn("Unable to read .tableinfo from " + hbaseRoot, ioe);<a name="line.1396"></a> -<span class="sourceLineNo">1397</span> //should only report once for each table<a name="line.1397"></a> -<span class="sourceLineNo">1398</span> errors.reportError(ERROR_CODE.NO_TABLEINFO_FILE,<a name="line.1398"></a> -<span class="sourceLineNo">1399</span> "Unable to read .tableinfo from " + hbaseRoot + "/" + tableName);<a name="line.1399"></a> -<span class="sourceLineNo">1400</span> Set<String> columns = new HashSet<>();<a name="line.1400"></a> -<span class="sourceLineNo">1401</span> orphanTableDirs.put(tableName, getColumnFamilyList(columns, hbi));<a name="line.1401"></a> -<span class="sourceLineNo">1402</span> }<a name="line.1402"></a> -<span class="sourceLineNo">1403</span> }<a name="line.1403"></a> -<span class="sourceLineNo">1404</span> }<a name="line.1404"></a> -<span class="sourceLineNo">1405</span> if (!hbi.isSkipChecks()) {<a name="line.1405"></a> -<span class="sourceLineNo">1406</span> modTInfo.addRegionInfo(hbi);<a name="line.1406"></a> -<span class="sourceLineNo">1407</span> }<a name="line.1407"></a> -<span class="sourceLineNo">1408</span> }<a name="line.1408"></a> -<span class="sourceLineNo">1409</span><a name="line.1409"></a> -<span class="sourceLineNo">1410</span> loadTableInfosForTablesWithNoRegion();<a name="line.1410"></a> -<span class="sourceLineNo">1411</span> errors.print("");<a name="line.1411"></a> -<span class="sourceLineNo">1412</span><a name="line.1412"></a> -<span class="sourceLineNo">1413</span> return tablesInfo;<a name="line.1413"></a> -<span class="sourceLineNo">1414</span> }<a name="line.1414"></a> -<span class="sourceLineNo">1415</span><a name="line.1415"></a> -<span class="sourceLineNo">1416</span> /**<a name="line.1416"></a> -<span class="sourceLineNo">1417</span> * To get the column family list according to the column family dirs<a name="line.1417"></a> -<span class="sourceLineNo">1418</span> * @param columns<a name="line.1418"></a> -<span class="sourceLineNo">1419</span> * @param hbi<a name="line.1419"></a> -<span class="sourceLineNo">1420</span> * @return a set of column families<a name="line.1420"></a> -<span class="sourceLineNo">1421</span> * @throws IOException<a name="line.1421"></a> -<span class="sourceLineNo">1422</span> */<a name="line.1422"></a> -<span class="sourceLineNo">1423</span> private Set<String> getColumnFamilyList(Set<String> columns, HbckInfo hbi) throws IOException {<a name="line.1423"></a> -<span class="sourceLineNo">1424</span> Path regionDir = hbi.getHdfsRegionDir();<a name="line.1424"></a> -<span class="sourceLineNo">1425</span> FileSystem fs = regionDir.getFileSystem(getConf());<a name="line.1425"></a> -<span class="sourceLineNo">1426</span> FileStatus[] subDirs = fs.listStatus(regionDir, new FSUtils.FamilyDirFilter(fs));<a name="line.1426"></a> -<span class="sourceLineNo">1427</span> for (FileStatus subdir : subDirs) {<a name="line.1427"></a> -<span class="sourceLineNo">1428</span> String columnfamily = subdir.getPath().getName();<a name="line.1428"></a> -<span class="sourceLineNo">1429</span> columns.add(columnfamily);<a name="line.1429"></a> -<span class="sourceLineNo">1430</span> }<a name="line.1430"></a> -<span class="sourceLineNo">1431</span> return columns;<a name="line.1431"></a> -<span class="sourceLineNo">1432</span> }<a name="line.1432"></a> -<span class="sourceLineNo">1433</span><a name="line.1433"></a> -<span class="sourceLineNo">1434</span> /**<a name="line.1434"></a> -<span class="sourceLineNo">1435</span> * To fabricate a .tableinfo file with following contents<br><a name="line.1435"></a> -<span class="sourceLineNo">1436</span> * 1. the correct tablename <br><a name="line.1436"></a> -<span class="sourceLineNo">1437</span> * 2. the correct colfamily list<br><a name="line.1437"></a> -<span class="sourceLineNo">1438</span> * 3. the default properties for both {@link TableDescriptor} and {@link ColumnFamilyDescriptor}<br><a name="line.1438"></a> -<span class="sourceLineNo">1439</span> * @throws IOException<a name="line.1439"></a> -<span class="sourceLineNo">1440</span> */<a name="line.1440"></a> -<span class="sourceLineNo">1441</span> private boolean fabricateTableInfo(FSTableDescriptors fstd, TableName tableName,<a name="line.1441"></a> -<span class="sourceLineNo">1442</span> Set<String> columns) throws IOException {<a name="line.1442"></a> -<span class="sourceLineNo">1443</span> if (columns ==null || columns.isEmpty()) return false;<a name="line.1443"></a> -<span class="sourceLineNo">1444</span> TableDescriptorBuilder builder = TableDescriptorBuilder.newBuilder(tableName);<a name="line.1444"></a> -<span class="sourceLineNo">1445</span> for (String columnfamimly : columns) {<a name="line.1445"></a> -<span class="sourceLineNo">1446</span> builder.setColumnFamily(ColumnFamilyDescriptorBuilder.of(columnfamimly));<a name="line.1446"></a> -<span class="sourceLineNo">1447</span> }<a name="line.1447"></a> -<span class="sourceLineNo">1448</span> fstd.createTableDescriptor(builder.build(), true);<a name="line.1448"></a> -<span class="sourceLineNo">1449</span> return true;<a name="line.1449"></a> -<span class="sourceLineNo">1450</span> }<a name="line.1450"></a> -<span class="sourceLineNo">1451</span><a name="line.1451"></a> -<span class="sourceLineNo">1452</span> /**<a name="line.1452"></a> -<span class="sourceLineNo">1453</span> * To fix the empty REGIONINFO_QUALIFIER rows from hbase:meta <br><a name="line.1453"></a> -<span class="sourceLineNo">1454</span> * @throws IOException<a name="line.1454"></a> -<span class="sourceLineNo">1455</span> */<a name="line.1455"></a> -<span class="sourceLineNo">1456</span> public void fixEmptyMetaCells() throws IOException {<a name="line.1456"></a> -<span class="sourceLineNo">1457</span> if (shouldFixEmptyMetaCells() && !emptyRegionInfoQualifiers.isEmpty()) {<a name="line.1457"></a> -<span class="sourceLineNo">1458</span> LOG.info("Trying to fix empty REGIONINFO_QUALIFIER hbase:meta rows.");<a name="line.1458"></a> -<span class="sourceLineNo">1459</span> for (Result region : emptyRegionInfoQualifiers) {<a name="line.1459"></a> -<span class="sourceLineNo">1460</span> deleteMetaRegion(region.getRow());<a name="line.1460"></a> -<span class="sourceLineNo">1461</span> errors.getErrorList().remove(ERROR_CODE.EMPTY_META_CELL);<a name="line.1461"></a> -<span class="sourceLineNo">1462</span> }<a name="line.1462"></a> -<span class="sourceLineNo">1463</span> emptyRegionInfoQualifiers.clear();<a name="line.1463"></a> -<span class="sourceLineNo">1464</span> }<a name="line.1464"></a> -<span class="sourceLineNo">1465</span> }<a name="line.1465"></a> -<span class="sourceLineNo">1466</span><a name="line.1466"></a> -<span class="sourceLineNo">1467</span> /**<a name="line.1467"></a> -<span class="sourceLineNo">1468</span> * To fix orphan table by creating a .tableinfo file under tableDir <br><a name="line.1468"></a> -<span class="sourceLineNo">1469</span> * 1. if TableInfo is cached, to recover the .tableinfo accordingly <br><a name="line.1469"></a> -<span class="sourceLineNo">1470</span> * 2. else create a default .tableinfo file with following items<br><a name="line.1470"></a> -<span class="sourceLineNo">1471</span> * &nbsp;2.1 the correct tablename <br><a name="line.1471"></a> -<span class="sourceLineNo">1472</span> * &nbsp;2.2 the correct colfamily list<br><a name="line.1472"></a> -<span class="sourceLineNo">1473</span> * &nbsp;2.3 the default properties for both {@link TableDescriptor} and {@link ColumnFamilyDescriptor}<br><a name="line.1473"></a> -<span class="sourceLineNo">1474</span> * @throws IOException<a name="line.1474"></a> -<span class="sourceLineNo">1475</span> */<a name="line.1475"></a> -<span class="sourceLineNo">1476</span> public void fixOrphanTables() throws IOException {<a name="line.1476"></a> -<span class="sourceLineNo">1477</span> if (shouldFixTableOrphans() && !orphanTableDirs.isEmpty()) {<a name="line.1477"></a> -<span class="sourceLineNo">1478</span><a name="line.1478"></a> -<span class="sourceLineNo">1479</span> List<TableName> tmpList = new ArrayList<>(orphanTableDirs.keySet().size());<a name="line.1479"></a> -<span class="sourceLineNo">1480</span> tmpList.addAll(orphanTableDirs.keySet());<a name="line.1480"></a> -<span class="sourceLineNo">1481</span> TableDescriptor[] htds = getTableDescriptors(tmpList);<a name="line.1481"></a> -<span class="sourceLineNo">1482</span> Iterator<Entry<TableName, Set<String>>> iter =<a name="line.1482"></a> -<span class="sourceLineNo">1483</span> orphanTableDirs.entrySet().iterator();<a name="line.1483"></a> -<span class="sourceLineNo">1484</span> int j = 0;<a name="line.1484"></a> -<span class="sourceLineNo">1485</span> int numFailedCase = 0;<a name="line.1485"></a> -<span class="sourceLineNo">1486</span> FSTableDescriptors fstd = new FSTableDescriptors(getConf());<a name="line.1486"></a> -<span class="sourceLineNo">1487</span> while (iter.hasNext()) {<a name="line.1487"></a> -<span class="sourceLineNo">1488</span> Entry<TableName, Set<String>> entry =<a name="line.1488"></a> -<span class="sourceLineNo">1489</span> iter.next();<a name="line.1489"></a> -<span class="sourceLineNo">1490</span> TableName tableName = entry.getKey();<a name="line.1490"></a> -<span class="sourceLineNo">1491</span> LOG.info("Trying to fix orphan table error: " + tableName);<a name="line.1491"></a> -<span class="sourceLineNo">1492</span> if (j < htds.length) {<a name="line.1492"></a> -<span class="sourceLineNo">1493</span> if (tableName.equals(htds[j].getTableName())) {<a name="line.1493"></a> -<span class="sourceLineNo">1494</span> TableDescriptor htd = htds[j];<a name="line.1494"></a> -<span class="sourceLineNo">1495</span> LOG.info("fixing orphan table: " + tableName + " from cache");<a name="line.1495"></a> -<span class="sourceLineNo">1496</span> fstd.createTableDescriptor(htd, true);<a name="line.1496"></a> -<span class="sourceLineNo">1497</span> j++;<a name="line.1497"></a> -<span class="sourceLineNo">1498</span> iter.remove();<a name="line.1498"></a> -<span class="sourceLineNo">1499</span> }<a name="line.1499"></a> -<span class="sourceLineNo">1500</span> } else {<a name="line.1500"></a> -<span class="sourceLineNo">1501</span> if (fabricateTableInfo(fstd, tableName, entry.getValue())) {<a name="line.1501"></a> -<span class="sourceLineNo">1502</span> LOG.warn("fixing orphan table: " + tableName + " with a default .tableinfo file");<a name="line.1502"></a> -<span class="sourceLineNo">1503</span> LOG.warn("Strongly recommend to modify the TableDescriptor if necessary for: " + tableName);<a name="line.1503"></a> -<span class="sourceLineNo">1504</span> iter.remove();<a name="line.1504"></a> -<span class="sourceLineNo">1505</span> } else {<a name="line.1505"></a> -<span class="sourceLineNo">1506</span> LOG.error("Unable to create default .tableinfo for " + tableName + " while missing column family information");<a name="line.1506"></a> -<span class="sourceLineNo">1507</span> numFailedCase++;<a name="line.1507"></a> -<span class="sourceLineNo">1508</span> }<a name="line.1508"></a> -<span class="sourceLineNo">1509</span> }<a name="line.1509"></a> -<span class="sourceLineNo">1510</span> fixes++;<a name="line.1510"></a> -<span class="sourceLineNo">1511</span> }<a name="line.1511"></a> -<span class="sourceLineNo">1512</span><a name="line.1512"></a> -<span class="sourceLineNo">1513</span> if (orphanTableDirs.isEmpty()) {<a name="line.1513"></a> -<span class="sourceLineNo">1514</span> // all orphanTableDirs are luckily recovered<a name="line.1514"></a> -<span class="sourceLineNo">1515</span> // re-run doFsck after recovering the .tableinfo file<a name="line.1515"></a> -<span class="sourceLineNo">1516</span> setShouldRerun();<a name="line.1516"></a> -<span class="sourceLineNo">1517</span> LOG.warn("Strongly recommend to re-run manually hfsck after all orphanTableDirs being fixed");<a name="line.1517"></a> -<span class="sourceLineNo">1518</span> } else if (numFailedCase > 0) {<a name="line.1518"></a> -<span class="sourceLineNo">1519</span> LOG.error("Failed to fix " + numFailedCase<a name="line.1519"></a> -<span class="sourceLineNo">1520</span> + " OrphanTables with default .tableinfo files");<a name="line.1520"></a> -<span class="sourceLineNo">1521</span> }<a name="line.1521"></a> -<span class="sourceLineNo">1522</span><a name="line.1522"></a> -<span class="sourceLineNo">1523</span> }<a name="line.1523"></a> -<span class="sourceLineNo">1524</span> //cleanup the list<a name="line.1524"></a> -<span class="sourceLineNo">1525</span> orphanTableDirs.clear();<a name="line.1525"></a> -<span class="sourceLineNo">1526</span><a name="line.1526"></a> -<span class="sourceLineNo">1527</span> }<a name="line.1527"></a> -<span class="sourceLineNo">1528</span><a name="line.1528"></a> -<span class="sourceLineNo">1529</span> /**<a name="line.1529"></a> -<span class="sourceLineNo">1530</span> * This borrows code from MasterFileSystem.bootstrap(). Explicitly creates it's own WAL, so be<a name="line.1530"></a> -<span class="sourceLineNo">1531</span> * sure to close it as well as the region when you're finished.<a name="line.1531"></a> -<span class="sourceLineNo">1532</span> * @param walFactoryID A unique identifier for WAL factory. Filesystem implementations will use<a name="line.1532"></a> -<span class="sourceLineNo">1533</span> * this ID to make a directory inside WAL directory path.<a name="line.1533"></a> -<span class="sourceLineNo">1534</span> * @return an open hbase:meta HRegion<a name="line.1534"></a> -<span class="sourceLineNo">1535</span> */<a name="line.1535"></a> -<span class="sourceLineNo">1536</span> private HRegion createNewMeta(String walFactoryID) throws IOException {<a name="line.1536"></a> -<span class="sourceLineNo">1537</span> Path rootdir = FSUtils.getRootDir(getConf());<a name="line.1537"></a> -<span class="sourceLineNo">1538</span> Configuration c = getConf();<a name="line.1538"></a> -<span class="sourceLineNo">1539</span> RegionInfo metaHRI = RegionInfoBuilder.FIRST_META_REGIONINFO;<a name="line.1539"></a> -<span class="sourceLineNo">1540</span> TableDescriptor metaDescriptor = new FSTableDescriptors(c).get(TableName.META_TABLE_NAME);<a name="line.1540"></a> -<span class="sourceLineNo">1541</span> MasterFileSystem.setInfoFamilyCachingForMeta(metaDescriptor, false);<a name="line.1541"></a> -<span class="sourceLineNo">1542</span> // The WAL subsystem will use the default rootDir rather than the passed in rootDir<a name="line.1542"></a> -<span class="sourceLineNo">1543</span> // unless I pass along via the conf.<a na
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