http://git-wip-us.apache.org/repos/asf/hbase-site/blob/2bd8387f/devapidocs/src-html/org/apache/hadoop/hbase/backup/util/BackupUtils.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/backup/util/BackupUtils.html b/devapidocs/src-html/org/apache/hadoop/hbase/backup/util/BackupUtils.html index 10b855a..a961c23 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/backup/util/BackupUtils.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/backup/util/BackupUtils.html @@ -63,705 +63,706 @@ <span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.client.TableDescriptor;<a name="line.55"></a> <span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.regionserver.HRegion;<a name="line.56"></a> <span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.tool.LoadIncrementalHFiles;<a name="line.57"></a> -<span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.58"></a> -<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.util.FSTableDescriptors;<a name="line.59"></a> -<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.util.FSUtils;<a name="line.60"></a> -<span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.wal.AbstractFSWALProvider;<a name="line.61"></a> -<span class="sourceLineNo">062</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.62"></a> -<span class="sourceLineNo">063</span>import org.slf4j.Logger;<a name="line.63"></a> -<span class="sourceLineNo">064</span>import org.slf4j.LoggerFactory;<a name="line.64"></a> -<span class="sourceLineNo">065</span><a name="line.65"></a> -<span class="sourceLineNo">066</span>/**<a name="line.66"></a> -<span class="sourceLineNo">067</span> * A collection for methods used by multiple classes to backup HBase tables.<a name="line.67"></a> -<span class="sourceLineNo">068</span> */<a name="line.68"></a> -<span class="sourceLineNo">069</span>@InterfaceAudience.Private<a name="line.69"></a> -<span class="sourceLineNo">070</span>public final class BackupUtils {<a name="line.70"></a> -<span class="sourceLineNo">071</span> protected static final Logger LOG = LoggerFactory.getLogger(BackupUtils.class);<a name="line.71"></a> -<span class="sourceLineNo">072</span> public static final String LOGNAME_SEPARATOR = ".";<a name="line.72"></a> -<span class="sourceLineNo">073</span> public static final int MILLISEC_IN_HOUR = 3600000;<a name="line.73"></a> -<span class="sourceLineNo">074</span><a name="line.74"></a> -<span class="sourceLineNo">075</span> private BackupUtils() {<a name="line.75"></a> -<span class="sourceLineNo">076</span> throw new AssertionError("Instantiating utility class...");<a name="line.76"></a> -<span class="sourceLineNo">077</span> }<a name="line.77"></a> -<span class="sourceLineNo">078</span><a name="line.78"></a> -<span class="sourceLineNo">079</span> /**<a name="line.79"></a> -<span class="sourceLineNo">080</span> * Loop through the RS log timestamp map for the tables, for each RS, find the min timestamp value<a name="line.80"></a> -<span class="sourceLineNo">081</span> * for the RS among the tables.<a name="line.81"></a> -<span class="sourceLineNo">082</span> * @param rsLogTimestampMap timestamp map<a name="line.82"></a> -<span class="sourceLineNo">083</span> * @return the min timestamp of each RS<a name="line.83"></a> -<span class="sourceLineNo">084</span> */<a name="line.84"></a> -<span class="sourceLineNo">085</span> public static HashMap<String, Long> getRSLogTimestampMins(<a name="line.85"></a> -<span class="sourceLineNo">086</span> HashMap<TableName, HashMap<String, Long>> rsLogTimestampMap) {<a name="line.86"></a> -<span class="sourceLineNo">087</span> if (rsLogTimestampMap == null || rsLogTimestampMap.isEmpty()) {<a name="line.87"></a> -<span class="sourceLineNo">088</span> return null;<a name="line.88"></a> -<span class="sourceLineNo">089</span> }<a name="line.89"></a> -<span class="sourceLineNo">090</span><a name="line.90"></a> -<span class="sourceLineNo">091</span> HashMap<String, Long> rsLogTimestampMins = new HashMap<>();<a name="line.91"></a> -<span class="sourceLineNo">092</span> HashMap<String, HashMap<TableName, Long>> rsLogTimestampMapByRS = new HashMap<>();<a name="line.92"></a> -<span class="sourceLineNo">093</span><a name="line.93"></a> -<span class="sourceLineNo">094</span> for (Entry<TableName, HashMap<String, Long>> tableEntry : rsLogTimestampMap.entrySet()) {<a name="line.94"></a> -<span class="sourceLineNo">095</span> TableName table = tableEntry.getKey();<a name="line.95"></a> -<span class="sourceLineNo">096</span> HashMap<String, Long> rsLogTimestamp = tableEntry.getValue();<a name="line.96"></a> -<span class="sourceLineNo">097</span> for (Entry<String, Long> rsEntry : rsLogTimestamp.entrySet()) {<a name="line.97"></a> -<span class="sourceLineNo">098</span> String rs = rsEntry.getKey();<a name="line.98"></a> -<span class="sourceLineNo">099</span> Long ts = rsEntry.getValue();<a name="line.99"></a> -<span class="sourceLineNo">100</span> if (!rsLogTimestampMapByRS.containsKey(rs)) {<a name="line.100"></a> -<span class="sourceLineNo">101</span> rsLogTimestampMapByRS.put(rs, new HashMap<>());<a name="line.101"></a> -<span class="sourceLineNo">102</span> rsLogTimestampMapByRS.get(rs).put(table, ts);<a name="line.102"></a> -<span class="sourceLineNo">103</span> } else {<a name="line.103"></a> -<span class="sourceLineNo">104</span> rsLogTimestampMapByRS.get(rs).put(table, ts);<a name="line.104"></a> -<span class="sourceLineNo">105</span> }<a name="line.105"></a> -<span class="sourceLineNo">106</span> }<a name="line.106"></a> -<span class="sourceLineNo">107</span> }<a name="line.107"></a> -<span class="sourceLineNo">108</span><a name="line.108"></a> -<span class="sourceLineNo">109</span> for (Entry<String, HashMap<TableName, Long>> entry : rsLogTimestampMapByRS.entrySet()) {<a name="line.109"></a> -<span class="sourceLineNo">110</span> String rs = entry.getKey();<a name="line.110"></a> -<span class="sourceLineNo">111</span> rsLogTimestampMins.put(rs, BackupUtils.getMinValue(entry.getValue()));<a name="line.111"></a> -<span class="sourceLineNo">112</span> }<a name="line.112"></a> -<span class="sourceLineNo">113</span><a name="line.113"></a> -<span class="sourceLineNo">114</span> return rsLogTimestampMins;<a name="line.114"></a> -<span class="sourceLineNo">115</span> }<a name="line.115"></a> -<span class="sourceLineNo">116</span><a name="line.116"></a> -<span class="sourceLineNo">117</span> /**<a name="line.117"></a> -<span class="sourceLineNo">118</span> * copy out Table RegionInfo into incremental backup image need to consider move this logic into<a name="line.118"></a> -<span class="sourceLineNo">119</span> * HBackupFileSystem<a name="line.119"></a> -<span class="sourceLineNo">120</span> * @param conn connection<a name="line.120"></a> -<span class="sourceLineNo">121</span> * @param backupInfo backup info<a name="line.121"></a> -<span class="sourceLineNo">122</span> * @param conf configuration<a name="line.122"></a> -<span class="sourceLineNo">123</span> * @throws IOException exception<a name="line.123"></a> -<span class="sourceLineNo">124</span> */<a name="line.124"></a> -<span class="sourceLineNo">125</span> public static void copyTableRegionInfo(Connection conn, BackupInfo backupInfo, Configuration conf)<a name="line.125"></a> -<span class="sourceLineNo">126</span> throws IOException {<a name="line.126"></a> -<span class="sourceLineNo">127</span> Path rootDir = FSUtils.getRootDir(conf);<a name="line.127"></a> -<span class="sourceLineNo">128</span> FileSystem fs = rootDir.getFileSystem(conf);<a name="line.128"></a> -<span class="sourceLineNo">129</span><a name="line.129"></a> -<span class="sourceLineNo">130</span> // for each table in the table set, copy out the table info and region<a name="line.130"></a> -<span class="sourceLineNo">131</span> // info files in the correct directory structure<a name="line.131"></a> -<span class="sourceLineNo">132</span> for (TableName table : backupInfo.getTables()) {<a name="line.132"></a> -<span class="sourceLineNo">133</span> if (!MetaTableAccessor.tableExists(conn, table)) {<a name="line.133"></a> -<span class="sourceLineNo">134</span> LOG.warn("Table " + table + " does not exists, skipping it.");<a name="line.134"></a> -<span class="sourceLineNo">135</span> continue;<a name="line.135"></a> -<span class="sourceLineNo">136</span> }<a name="line.136"></a> -<span class="sourceLineNo">137</span> TableDescriptor orig = FSTableDescriptors.getTableDescriptorFromFs(fs, rootDir, table);<a name="line.137"></a> -<span class="sourceLineNo">138</span><a name="line.138"></a> -<span class="sourceLineNo">139</span> // write a copy of descriptor to the target directory<a name="line.139"></a> -<span class="sourceLineNo">140</span> Path target = new Path(backupInfo.getTableBackupDir(table));<a name="line.140"></a> -<span class="sourceLineNo">141</span> FileSystem targetFs = target.getFileSystem(conf);<a name="line.141"></a> -<span class="sourceLineNo">142</span> FSTableDescriptors descriptors =<a name="line.142"></a> -<span class="sourceLineNo">143</span> new FSTableDescriptors(conf, targetFs, FSUtils.getRootDir(conf));<a name="line.143"></a> -<span class="sourceLineNo">144</span> descriptors.createTableDescriptorForTableDirectory(target, orig, false);<a name="line.144"></a> -<span class="sourceLineNo">145</span> LOG.debug("Attempting to copy table info for:" + table + " target: " + target<a name="line.145"></a> -<span class="sourceLineNo">146</span> + " descriptor: " + orig);<a name="line.146"></a> -<span class="sourceLineNo">147</span> LOG.debug("Finished copying tableinfo.");<a name="line.147"></a> -<span class="sourceLineNo">148</span> List<RegionInfo> regions = MetaTableAccessor.getTableRegions(conn, table);<a name="line.148"></a> -<span class="sourceLineNo">149</span> // For each region, write the region info to disk<a name="line.149"></a> -<span class="sourceLineNo">150</span> LOG.debug("Starting to write region info for table " + table);<a name="line.150"></a> -<span class="sourceLineNo">151</span> for (RegionInfo regionInfo : regions) {<a name="line.151"></a> -<span class="sourceLineNo">152</span> Path regionDir =<a name="line.152"></a> -<span class="sourceLineNo">153</span> HRegion.getRegionDir(new Path(backupInfo.getTableBackupDir(table)), regionInfo);<a name="line.153"></a> -<span class="sourceLineNo">154</span> regionDir = new Path(backupInfo.getTableBackupDir(table), regionDir.getName());<a name="line.154"></a> -<span class="sourceLineNo">155</span> writeRegioninfoOnFilesystem(conf, targetFs, regionDir, regionInfo);<a name="line.155"></a> -<span class="sourceLineNo">156</span> }<a name="line.156"></a> -<span class="sourceLineNo">157</span> LOG.debug("Finished writing region info for table " + table);<a name="line.157"></a> -<span class="sourceLineNo">158</span> }<a name="line.158"></a> -<span class="sourceLineNo">159</span> }<a name="line.159"></a> -<span class="sourceLineNo">160</span><a name="line.160"></a> -<span class="sourceLineNo">161</span> /**<a name="line.161"></a> -<span class="sourceLineNo">162</span> * Write the .regioninfo file on-disk.<a name="line.162"></a> -<span class="sourceLineNo">163</span> */<a name="line.163"></a> -<span class="sourceLineNo">164</span> public static void writeRegioninfoOnFilesystem(final Configuration conf, final FileSystem fs,<a name="line.164"></a> -<span class="sourceLineNo">165</span> final Path regionInfoDir, RegionInfo regionInfo) throws IOException {<a name="line.165"></a> -<span class="sourceLineNo">166</span> final byte[] content = RegionInfo.toDelimitedByteArray(regionInfo);<a name="line.166"></a> -<span class="sourceLineNo">167</span> Path regionInfoFile = new Path(regionInfoDir, "." + HConstants.REGIONINFO_QUALIFIER_STR);<a name="line.167"></a> -<span class="sourceLineNo">168</span> // First check to get the permissions<a name="line.168"></a> -<span class="sourceLineNo">169</span> FsPermission perms = FSUtils.getFilePermissions(fs, conf, HConstants.DATA_FILE_UMASK_KEY);<a name="line.169"></a> -<span class="sourceLineNo">170</span> // Write the RegionInfo file content<a name="line.170"></a> -<span class="sourceLineNo">171</span> FSDataOutputStream out = FSUtils.create(conf, fs, regionInfoFile, perms, null);<a name="line.171"></a> -<span class="sourceLineNo">172</span> try {<a name="line.172"></a> -<span class="sourceLineNo">173</span> out.write(content);<a name="line.173"></a> -<span class="sourceLineNo">174</span> } finally {<a name="line.174"></a> -<span class="sourceLineNo">175</span> out.close();<a name="line.175"></a> -<span class="sourceLineNo">176</span> }<a name="line.176"></a> -<span class="sourceLineNo">177</span> }<a name="line.177"></a> -<span class="sourceLineNo">178</span><a name="line.178"></a> -<span class="sourceLineNo">179</span> /**<a name="line.179"></a> -<span class="sourceLineNo">180</span> * Parses hostname:port from WAL file path<a name="line.180"></a> -<span class="sourceLineNo">181</span> * @param p path to WAL file<a name="line.181"></a> -<span class="sourceLineNo">182</span> * @return hostname:port<a name="line.182"></a> -<span class="sourceLineNo">183</span> */<a name="line.183"></a> -<span class="sourceLineNo">184</span> public static String parseHostNameFromLogFile(Path p) {<a name="line.184"></a> -<span class="sourceLineNo">185</span> try {<a name="line.185"></a> -<span class="sourceLineNo">186</span> if (AbstractFSWALProvider.isArchivedLogFile(p)) {<a name="line.186"></a> -<span class="sourceLineNo">187</span> return BackupUtils.parseHostFromOldLog(p);<a name="line.187"></a> -<span class="sourceLineNo">188</span> } else {<a name="line.188"></a> -<span class="sourceLineNo">189</span> ServerName sname = AbstractFSWALProvider.getServerNameFromWALDirectoryName(p);<a name="line.189"></a> -<span class="sourceLineNo">190</span> if (sname != null) {<a name="line.190"></a> -<span class="sourceLineNo">191</span> return sname.getAddress().toString();<a name="line.191"></a> -<span class="sourceLineNo">192</span> } else {<a name="line.192"></a> -<span class="sourceLineNo">193</span> LOG.error("Skip log file (can't parse): " + p);<a name="line.193"></a> -<span class="sourceLineNo">194</span> return null;<a name="line.194"></a> -<span class="sourceLineNo">195</span> }<a name="line.195"></a> -<span class="sourceLineNo">196</span> }<a name="line.196"></a> -<span class="sourceLineNo">197</span> } catch (Exception e) {<a name="line.197"></a> -<span class="sourceLineNo">198</span> LOG.error("Skip log file (can't parse): " + p, e);<a name="line.198"></a> -<span class="sourceLineNo">199</span> return null;<a 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class="sourceLineNo">212</span> /**<a name="line.212"></a> -<span class="sourceLineNo">213</span> * Returns WAL file name<a name="line.213"></a> -<span class="sourceLineNo">214</span> * @param p WAL file path<a name="line.214"></a> -<span class="sourceLineNo">215</span> * @return WAL file name<a name="line.215"></a> -<span class="sourceLineNo">216</span> */<a name="line.216"></a> -<span class="sourceLineNo">217</span> public static String getUniqueWALFileNamePart(Path p) {<a name="line.217"></a> -<span class="sourceLineNo">218</span> return p.getName();<a name="line.218"></a> -<span class="sourceLineNo">219</span> }<a name="line.219"></a> -<span class="sourceLineNo">220</span><a name="line.220"></a> -<span class="sourceLineNo">221</span> /**<a name="line.221"></a> -<span class="sourceLineNo">222</span> * Get the total length of files under the given directory recursively.<a name="line.222"></a> -<span class="sourceLineNo">223</span> * @param fs The hadoop file system<a name="line.223"></a> -<span class="sourceLineNo">224</span> * @param dir The target directory<a name="line.224"></a> -<span class="sourceLineNo">225</span> * @return the total length of files<a name="line.225"></a> -<span class="sourceLineNo">226</span> * @throws IOException exception<a name="line.226"></a> -<span class="sourceLineNo">227</span> */<a name="line.227"></a> -<span class="sourceLineNo">228</span> public static long getFilesLength(FileSystem fs, Path dir) throws IOException {<a name="line.228"></a> -<span class="sourceLineNo">229</span> long totalLength = 0;<a name="line.229"></a> -<span class="sourceLineNo">230</span> FileStatus[] files = FSUtils.listStatus(fs, dir);<a name="line.230"></a> -<span class="sourceLineNo">231</span> if (files != null) {<a name="line.231"></a> -<span class="sourceLineNo">232</span> for (FileStatus fileStatus : files) {<a name="line.232"></a> -<span class="sourceLineNo">233</span> if (fileStatus.isDirectory()) {<a name="line.233"></a> -<span class="sourceLineNo">234</span> totalLength += getFilesLength(fs, fileStatus.getPath());<a name="line.234"></a> -<span class="sourceLineNo">235</span> } else {<a name="line.235"></a> -<span class="sourceLineNo">236</span> totalLength += fileStatus.getLen();<a name="line.236"></a> -<span class="sourceLineNo">237</span> }<a name="line.237"></a> -<span class="sourceLineNo">238</span> }<a name="line.238"></a> -<span class="sourceLineNo">239</span> }<a name="line.239"></a> -<span class="sourceLineNo">240</span> return totalLength;<a name="line.240"></a> -<span class="sourceLineNo">241</span> }<a name="line.241"></a> -<span class="sourceLineNo">242</span><a name="line.242"></a> -<span class="sourceLineNo">243</span> /**<a name="line.243"></a> -<span class="sourceLineNo">244</span> * Get list of all old WAL files (WALs and archive)<a name="line.244"></a> -<span class="sourceLineNo">245</span> * @param c configuration<a name="line.245"></a> -<span class="sourceLineNo">246</span> * @param hostTimestampMap {host,timestamp} map<a name="line.246"></a> -<span class="sourceLineNo">247</span> * @return list of WAL files<a name="line.247"></a> -<span class="sourceLineNo">248</span> * @throws IOException exception<a name="line.248"></a> -<span class="sourceLineNo">249</span> */<a name="line.249"></a> -<span class="sourceLineNo">250</span> public static List<String> getWALFilesOlderThan(final Configuration c,<a name="line.250"></a> -<span class="sourceLineNo">251</span> final HashMap<String, Long> hostTimestampMap) throws IOException {<a name="line.251"></a> -<span class="sourceLineNo">252</span> Path rootDir = FSUtils.getRootDir(c);<a name="line.252"></a> -<span class="sourceLineNo">253</span> Path logDir = new Path(rootDir, HConstants.HREGION_LOGDIR_NAME);<a name="line.253"></a> -<span class="sourceLineNo">254</span> Path oldLogDir = new Path(rootDir, HConstants.HREGION_OLDLOGDIR_NAME);<a name="line.254"></a> -<span class="sourceLineNo">255</span> List<String> logFiles = new ArrayList<>();<a name="line.255"></a> -<span class="sourceLineNo">256</span><a name="line.256"></a> -<span class="sourceLineNo">257</span> PathFilter filter = p -> {<a name="line.257"></a> -<span class="sourceLineNo">258</span> try {<a name="line.258"></a> -<span class="sourceLineNo">259</span> if (AbstractFSWALProvider.isMetaFile(p)) {<a name="line.259"></a> -<span class="sourceLineNo">260</span> return false;<a name="line.260"></a> -<span class="sourceLineNo">261</span> }<a name="line.261"></a> -<span class="sourceLineNo">262</span> String host = parseHostNameFromLogFile(p);<a name="line.262"></a> -<span class="sourceLineNo">263</span> if (host == null) {<a name="line.263"></a> -<span class="sourceLineNo">264</span> return false;<a name="line.264"></a> -<span class="sourceLineNo">265</span> }<a name="line.265"></a> -<span class="sourceLineNo">266</span> Long oldTimestamp = hostTimestampMap.get(host);<a name="line.266"></a> -<span class="sourceLineNo">267</span> Long currentLogTS = BackupUtils.getCreationTime(p);<a name="line.267"></a> -<span class="sourceLineNo">268</span> return currentLogTS <= oldTimestamp;<a name="line.268"></a> -<span class="sourceLineNo">269</span> } catch (Exception e) {<a name="line.269"></a> -<span class="sourceLineNo">270</span> LOG.warn("Can not parse" + p, e);<a name="line.270"></a> -<span class="sourceLineNo">271</span> return false;<a name="line.271"></a> -<span class="sourceLineNo">272</span> }<a name="line.272"></a> -<span class="sourceLineNo">273</span> };<a name="line.273"></a> -<span class="sourceLineNo">274</span> FileSystem fs = FileSystem.get(c);<a name="line.274"></a> -<span class="sourceLineNo">275</span> logFiles = BackupUtils.getFiles(fs, logDir, logFiles, filter);<a name="line.275"></a> -<span class="sourceLineNo">276</span> logFiles = BackupUtils.getFiles(fs, oldLogDir, logFiles, filter);<a name="line.276"></a> -<span class="sourceLineNo">277</span> return logFiles;<a name="line.277"></a> -<span 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isOverwrite overwrite data<a name="line.654"></a> -<span class="sourceLineNo">655</span> * @return request obkect<a name="line.655"></a> -<span class="sourceLineNo">656</span> */<a name="line.656"></a> -<span class="sourceLineNo">657</span> public static RestoreRequest createRestoreRequest(String backupRootDir, String backupId,<a name="line.657"></a> -<span class="sourceLineNo">658</span> boolean check, TableName[] fromTables, TableName[] toTables, boolean isOverwrite) {<a name="line.658"></a> -<span class="sourceLineNo">659</span> RestoreRequest.Builder builder = new RestoreRequest.Builder();<a name="line.659"></a> -<span class="sourceLineNo">660</span> RestoreRequest request =<a name="line.660"></a> -<span class="sourceLineNo">661</span> builder.withBackupRootDir(backupRootDir).withBackupId(backupId).withCheck(check)<a name="line.661"></a> -<span class="sourceLineNo">662</span> .withFromTables(fromTables).withToTables(toTables).withOvewrite(isOverwrite).build();<a 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class="sourceLineNo">673</span><a name="line.673"></a> -<span class="sourceLineNo">674</span> ArrayList<BackupImage> depList = manifestEntry.getValue().getDependentListByTable(table);<a name="line.674"></a> -<span class="sourceLineNo">675</span> if (depList != null && !depList.isEmpty()) {<a name="line.675"></a> -<span class="sourceLineNo">676</span> imageSet.addAll(depList);<a name="line.676"></a> -<span class="sourceLineNo">677</span> }<a name="line.677"></a> -<span class="sourceLineNo">678</span><a name="line.678"></a> -<span class="sourceLineNo">679</span> LOG.info("Dependent image(s) from old to new:");<a name="line.679"></a> -<span class="sourceLineNo">680</span> for (BackupImage image : imageSet) {<a name="line.680"></a> -<span class="sourceLineNo">681</span> String imageDir =<a name="line.681"></a> -<span class="sourceLineNo">682</span> HBackupFileSystem.getTableBackupDir(image.getRootDir(), image.getBackupId(), table);<a name="line.682"></a> -<span class="sourceLineNo">683</span> if (!BackupUtils.checkPathExist(imageDir, conf)) {<a name="line.683"></a> -<span class="sourceLineNo">684</span> LOG.error("ERROR: backup image does not exist: " + imageDir);<a name="line.684"></a> -<span class="sourceLineNo">685</span> isValid = false;<a name="line.685"></a> -<span class="sourceLineNo">686</span> break;<a name="line.686"></a> -<span class="sourceLineNo">687</span> }<a name="line.687"></a> -<span class="sourceLineNo">688</span> LOG.info("Backup image: " + image.getBackupId() + " for '" + table + "' is available");<a name="line.688"></a> -<span class="sourceLineNo">689</span> }<a name="line.689"></a> -<span class="sourceLineNo">690</span> }<a name="line.690"></a> -<span class="sourceLineNo">691</span> return isValid;<a name="line.691"></a> -<span class="sourceLineNo">692</span> }<a name="line.692"></a> -<span class="sourceLineNo">693</span><a name="line.693"></a> -<span class="sourceLineNo">694</span> public static Path getBulkOutputDir(String tableName, Configuration conf, boolean deleteOnExit)<a name="line.694"></a> -<span class="sourceLineNo">695</span> throws IOException {<a name="line.695"></a> -<span class="sourceLineNo">696</span> FileSystem fs = FileSystem.get(conf);<a name="line.696"></a> -<span class="sourceLineNo">697</span> String tmp = conf.get(HConstants.TEMPORARY_FS_DIRECTORY_KEY,<a name="line.697"></a> -<span class="sourceLineNo">698</span> fs.getHomeDirectory() + "/hbase-staging");<a name="line.698"></a> -<span class="sourceLineNo">699</span> Path path =<a name="line.699"></a> -<span class="sourceLineNo">700</span> new Path(tmp + Path.SEPARATOR + "bulk_output-" + tableName + "-"<a name="line.700"></a> -<span class="sourceLineNo">701</span> + EnvironmentEdgeManager.currentTime());<a name="line.701"></a> -<span class="sourceLineNo">702</span> if (deleteOnExit) {<a name="line.702"></a> -<span class="sourceLineNo">703</span> fs.deleteOnExit(path);<a name="line.703"></a> -<span class="sourceLineNo">704</span> }<a name="line.704"></a> -<span class="sourceLineNo">705</span> return path;<a name="line.705"></a> -<span class="sourceLineNo">706</span> }<a name="line.706"></a> -<span class="sourceLineNo">707</span><a name="line.707"></a> -<span class="sourceLineNo">708</span> public static Path getBulkOutputDir(String tableName, Configuration conf) throws IOException {<a name="line.708"></a> -<span class="sourceLineNo">709</span> return getBulkOutputDir(tableName, conf, true);<a name="line.709"></a> -<span class="sourceLineNo">710</span> }<a name="line.710"></a> -<span class="sourceLineNo">711</span><a name="line.711"></a> -<span class="sourceLineNo">712</span> public static String getFileNameCompatibleString(TableName table) {<a name="line.712"></a> -<span class="sourceLineNo">713</span> return table.getNamespaceAsString() + "-" + table.getQualifierAsString();<a name="line.713"></a> -<span class="sourceLineNo">714</span> }<a name="line.714"></a> -<span class="sourceLineNo">715</span><a name="line.715"></a> -<span class="sourceLineNo">716</span> public static boolean failed(int result) {<a name="line.716"></a> -<span class="sourceLineNo">717</span> return result != 0;<a name="line.717"></a> -<span class="sourceLineNo">718</span> }<a name="line.718"></a> -<span class="sourceLineNo">719</span><a name="line.719"></a> -<span class="sourceLineNo">720</span> public static boolean succeeded(int result) {<a name="line.720"></a> -<span class="sourceLineNo">721</span> return result == 0;<a name="line.721"></a> -<span class="sourceLineNo">722</span> }<a name="line.722"></a> -<span class="sourceLineNo">723</span><a name="line.723"></a> -<span class="sourceLineNo">724</span> public static LoadIncrementalHFiles createLoader(Configuration config) throws IOException {<a name="line.724"></a> -<span class="sourceLineNo">725</span> // set configuration for restore:<a name="line.725"></a> -<span class="sourceLineNo">726</span> // LoadIncrementalHFile needs more time<a name="line.726"></a> -<span class="sourceLineNo">727</span> // <name>hbase.rpc.timeout</name> <value>600000</value><a name="line.727"></a> -<span class="sourceLineNo">728</span> // calculates<a name="line.728"></a> -<span class="sourceLineNo">729</span> Configuration conf = new Configuration(config);<a name="line.729"></a> -<span class="sourceLineNo">730</span> conf.setInt(HConstants.HBASE_RPC_TIMEOUT_KEY, MILLISEC_IN_HOUR);<a name="line.730"></a> -<span class="sourceLineNo">731</span><a name="line.731"></a> -<span class="sourceLineNo">732</span> // By default, it is 32 and loader will fail if # of files in any region exceed this<a name="line.732"></a> -<span class="sourceLineNo">733</span> // limit. 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class="sourceLineNo">744</span><a name="line.744"></a> -<span class="sourceLineNo">745</span> public static String findMostRecentBackupId(String[] backupIds) {<a name="line.745"></a> -<span class="sourceLineNo">746</span> long recentTimestamp = Long.MIN_VALUE;<a name="line.746"></a> -<span class="sourceLineNo">747</span> for (String backupId : backupIds) {<a name="line.747"></a> -<span class="sourceLineNo">748</span> long ts = Long.parseLong(backupId.split("_")[1]);<a name="line.748"></a> -<span class="sourceLineNo">749</span> if (ts > recentTimestamp) {<a name="line.749"></a> -<span class="sourceLineNo">750</span> recentTimestamp = ts;<a name="line.750"></a> -<span class="sourceLineNo">751</span> }<a name="line.751"></a> -<span class="sourceLineNo">752</span> }<a name="line.752"></a> -<span class="sourceLineNo">753</span> return BackupRestoreConstants.BACKUPID_PREFIX + recentTimestamp;<a name="line.753"></a> -<span class="sourceLineNo">754</span> }<a name="line.754"></a> -<span class="sourceLineNo">755</span><a name="line.755"></a> -<span class="sourceLineNo">756</span>}<a name="line.756"></a> +<span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.util.CommonFSUtils;<a name="line.58"></a> +<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.59"></a> +<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.util.FSTableDescriptors;<a name="line.60"></a> +<span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.util.FSUtils;<a name="line.61"></a> +<span class="sourceLineNo">062</span>import org.apache.hadoop.hbase.wal.AbstractFSWALProvider;<a name="line.62"></a> +<span class="sourceLineNo">063</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.63"></a> +<span class="sourceLineNo">064</span>import org.slf4j.Logger;<a name="line.64"></a> +<span class="sourceLineNo">065</span>import org.slf4j.LoggerFactory;<a name="line.65"></a> +<span class="sourceLineNo">066</span><a name="line.66"></a> +<span class="sourceLineNo">067</span>/**<a name="line.67"></a> +<span class="sourceLineNo">068</span> * A collection for methods used by multiple classes to backup HBase tables.<a name="line.68"></a> +<span class="sourceLineNo">069</span> */<a name="line.69"></a> +<span class="sourceLineNo">070</span>@InterfaceAudience.Private<a name="line.70"></a> +<span class="sourceLineNo">071</span>public final class BackupUtils {<a name="line.71"></a> +<span class="sourceLineNo">072</span> protected static final Logger LOG = LoggerFactory.getLogger(BackupUtils.class);<a name="line.72"></a> +<span class="sourceLineNo">073</span> public static final String LOGNAME_SEPARATOR = ".";<a name="line.73"></a> +<span class="sourceLineNo">074</span> public static final int MILLISEC_IN_HOUR = 3600000;<a name="line.74"></a> +<span class="sourceLineNo">075</span><a name="line.75"></a> +<span class="sourceLineNo">076</span> private BackupUtils() {<a name="line.76"></a> +<span class="sourceLineNo">077</span> throw new AssertionError("Instantiating utility class...");<a name="line.77"></a> +<span class="sourceLineNo">078</span> }<a name="line.78"></a> +<span class="sourceLineNo">079</span><a name="line.79"></a> +<span class="sourceLineNo">080</span> /**<a name="line.80"></a> +<span class="sourceLineNo">081</span> * Loop through the RS log timestamp map for the tables, for each RS, find the min timestamp value<a name="line.81"></a> +<span class="sourceLineNo">082</span> * for the RS among the tables.<a name="line.82"></a> +<span class="sourceLineNo">083</span> * @param rsLogTimestampMap timestamp map<a name="line.83"></a> +<span class="sourceLineNo">084</span> * @return the min timestamp of each RS<a name="line.84"></a> +<span class="sourceLineNo">085</span> */<a name="line.85"></a> +<span class="sourceLineNo">086</span> public static HashMap<String, Long> getRSLogTimestampMins(<a name="line.86"></a> +<span class="sourceLineNo">087</span> HashMap<TableName, HashMap<String, Long>> rsLogTimestampMap) {<a name="line.87"></a> +<span class="sourceLineNo">088</span> if (rsLogTimestampMap == null || rsLogTimestampMap.isEmpty()) {<a name="line.88"></a> +<span class="sourceLineNo">089</span> return null;<a name="line.89"></a> +<span class="sourceLineNo">090</span> }<a name="line.90"></a> +<span class="sourceLineNo">091</span><a name="line.91"></a> +<span class="sourceLineNo">092</span> HashMap<String, Long> rsLogTimestampMins = new HashMap<>();<a name="line.92"></a> +<span class="sourceLineNo">093</span> HashMap<String, HashMap<TableName, Long>> rsLogTimestampMapByRS = new HashMap<>();<a name="line.93"></a> +<span class="sourceLineNo">094</span><a name="line.94"></a> +<span class="sourceLineNo">095</span> for (Entry<TableName, HashMap<String, Long>> tableEntry : rsLogTimestampMap.entrySet()) {<a name="line.95"></a> +<span class="sourceLineNo">096</span> TableName table = tableEntry.getKey();<a name="line.96"></a> +<span class="sourceLineNo">097</span> HashMap<String, Long> rsLogTimestamp = tableEntry.getValue();<a name="line.97"></a> +<span class="sourceLineNo">098</span> for (Entry<String, Long> rsEntry : rsLogTimestamp.entrySet()) {<a name="line.98"></a> +<span class="sourceLineNo">099</span> String rs = rsEntry.getKey();<a name="line.99"></a> +<span class="sourceLineNo">100</span> Long ts = rsEntry.getValue();<a name="line.100"></a> +<span class="sourceLineNo">101</span> if (!rsLogTimestampMapByRS.containsKey(rs)) {<a name="line.101"></a> +<span class="sourceLineNo">102</span> rsLogTimestampMapByRS.put(rs, new HashMap<>());<a name="line.102"></a> +<span class="sourceLineNo">103</span> rsLogTimestampMapByRS.get(rs).put(table, ts);<a name="line.103"></a> +<span class="sourceLineNo">104</span> } else {<a name="line.104"></a> +<span class="sourceLineNo">105</span> rsLogTimestampMapByRS.get(rs).put(table, ts);<a name="line.105"></a> +<span class="sourceLineNo">106</span> }<a name="line.106"></a> +<span class="sourceLineNo">107</span> }<a name="line.107"></a> +<span class="sourceLineNo">108</span> }<a name="line.108"></a> +<span class="sourceLineNo">109</span><a name="line.109"></a> +<span class="sourceLineNo">110</span> for (Entry<String, HashMap<TableName, Long>> entry : rsLogTimestampMapByRS.entrySet()) {<a name="line.110"></a> +<span class="sourceLineNo">111</span> String rs = entry.getKey();<a name="line.111"></a> +<span class="sourceLineNo">112</span> rsLogTimestampMins.put(rs, BackupUtils.getMinValue(entry.getValue()));<a name="line.112"></a> +<span class="sourceLineNo">113</span> }<a name="line.113"></a> +<span class="sourceLineNo">114</span><a name="line.114"></a> +<span class="sourceLineNo">115</span> return rsLogTimestampMins;<a name="line.115"></a> +<span class="sourceLineNo">116</span> }<a name="line.116"></a> +<span class="sourceLineNo">117</span><a name="line.117"></a> +<span class="sourceLineNo">118</span> /**<a name="line.118"></a> +<span class="sourceLineNo">119</span> * copy out Table RegionInfo into incremental backup image need to consider move this logic into<a name="line.119"></a> +<span class="sourceLineNo">120</span> * HBackupFileSystem<a name="line.120"></a> +<span class="sourceLineNo">121</span> * @param conn connection<a name="line.121"></a> +<span class="sourceLineNo">122</span> * @param backupInfo backup info<a name="line.122"></a> +<span class="sourceLineNo">123</span> * @param conf configuration<a name="line.123"></a> +<span class="sourceLineNo">124</span> * @throws IOException exception<a name="line.124"></a> +<span class="sourceLineNo">125</span> */<a name="line.125"></a> +<span class="sourceLineNo">126</span> public static void copyTableRegionInfo(Connection conn, BackupInfo backupInfo, Configuration conf)<a name="line.126"></a> +<span class="sourceLineNo">127</span> throws IOException {<a name="line.127"></a> +<span class="sourceLineNo">128</span> Path rootDir = FSUtils.getRootDir(conf);<a name="line.128"></a> +<span class="sourceLineNo">129</span> FileSystem fs = rootDir.getFileSystem(conf);<a name="line.129"></a> +<span class="sourceLineNo">130</span><a name="line.130"></a> +<span class="sourceLineNo">131</span> // for each table in the table set, copy out the table info and region<a name="line.131"></a> +<span class="sourceLineNo">132</span> // info files in the correct directory structure<a name="line.132"></a> +<span class="sourceLineNo">133</span> for (TableName table : backupInfo.getTables()) {<a name="line.133"></a> +<span class="sourceLineNo">134</span> if (!MetaTableAccessor.tableExists(conn, table)) {<a name="line.134"></a> +<span class="sourceLineNo">135</span> LOG.warn("Table " + table + " does not exists, skipping it.");<a name="line.135"></a> +<span class="sourceLineNo">136</span> continue;<a name="line.136"></a> +<span class="sourceLineNo">137</span> }<a name="line.137"></a> +<span class="sourceLineNo">138</span> TableDescriptor orig = FSTableDescriptors.getTableDescriptorFromFs(fs, rootDir, table);<a name="line.138"></a> +<span class="sourceLineNo">139</span><a name="line.139"></a> +<span class="sourceLineNo">140</span> // write a copy of descriptor to the target directory<a name="line.140"></a> +<span class="sourceLineNo">141</span> Path target = new Path(backupInfo.getTableBackupDir(table));<a name="line.141"></a> +<span class="sourceLineNo">142</span> FileSystem targetFs = target.getFileSystem(conf);<a name="line.142"></a> +<span class="sourceLineNo">143</span> FSTableDescriptors descriptors =<a name="line.143"></a> +<span class="sourceLineNo">144</span> new FSTableDescriptors(conf, targetFs, FSUtils.getRootDir(conf));<a name="line.144"></a> +<span class="sourceLineNo">145</span> descriptors.createTableDescriptorForTableDirectory(target, orig, false);<a name="line.145"></a> +<span class="sourceLineNo">146</span> LOG.debug("Attempting to copy table info for:" + table + " target: " + target<a name="line.146"></a> +<span class="sourceLineNo">147</span> + " descriptor: " + orig);<a name="line.147"></a> +<span class="sourceLineNo">148</span> LOG.debug("Finished copying tableinfo.");<a name="line.148"></a> +<span class="sourceLineNo">149</span> List<RegionInfo> regions = MetaTableAccessor.getTableRegions(conn, table);<a name="line.149"></a> +<span class="sourceLineNo">150</span> // For each region, write the region info to disk<a name="line.150"></a> +<span class="sourceLineNo">151</span> LOG.debug("Starting to write region info for table " + table);<a name="line.151"></a> +<span class="sourceLineNo">152</span> for (RegionInfo regionInfo : regions) {<a name="line.152"></a> +<span class="sourceLineNo">153</span> Path regionDir =<a name="line.153"></a> +<span class="sourceLineNo">154</span> HRegion.getRegionDir(new Path(backupInfo.getTableBackupDir(table)), regionInfo);<a name="line.154"></a> +<span class="sourceLineNo">155</span> regionDir = new Path(backupInfo.getTableBackupDir(table), regionDir.getName());<a name="line.155"></a> +<span class="sourceLineNo">156</span> writeRegioninfoOnFilesystem(conf, targetFs, regionDir, regionInfo);<a name="line.156"></a> +<span class="sourceLineNo">157</span> }<a name="line.157"></a> +<span class="sourceLineNo">158</span> LOG.debug("Finished writing region info for table " + table);<a name="line.158"></a> +<span class="sourceLineNo">159</span> }<a name="line.159"></a> +<span class="sourceLineNo">160</span> }<a name="line.160"></a> +<span class="sourceLineNo">161</span><a name="line.161"></a> +<span class="sourceLineNo">162</span> /**<a name="line.162"></a> +<span class="sourceLineNo">163</span> * Write the .regioninfo file on-disk.<a name="line.163"></a> +<span class="sourceLineNo">164</span> */<a name="line.164"></a> +<span class="sourceLineNo">165</span> public static void writeRegioninfoOnFilesystem(final Configuration conf, final FileSystem fs,<a name="line.165"></a> +<span class="sourceLineNo">166</span> final Path regionInfoDir, RegionInfo regionInfo) throws IOException {<a name="line.166"></a> +<span class="sourceLineNo">167</span> final byte[] content = RegionInfo.toDelimitedByteArray(regionInfo);<a name="line.167"></a> +<span class="sourceLineNo">168</span> Path regionInfoFile = new Path(regionInfoDir, "." + HConstants.REGIONINFO_QUALIFIER_STR);<a name="line.168"></a> +<span class="sourceLineNo">169</span> // First check to get the permissions<a name="line.169"></a> +<span class="sourceLineNo">170</span> FsPermission perms = FSUtils.getFilePermissions(fs, conf, HConstants.DATA_FILE_UMASK_KEY);<a name="line.170"></a> +<span class="sourceLineNo">171</span> // Write the RegionInfo file content<a name="line.171"></a> +<span class="sourceLineNo">172</span> FSDataOutputStream out = FSUtils.create(conf, fs, regionInfoFile, perms, null);<a name="line.172"></a> +<span class="sourceLineNo">173</span> try {<a name="line.173"></a> +<span class="sourceLineNo">174</span> out.write(content);<a name="line.174"></a> +<span class="sourceLineNo">175</span> } finally {<a name="line.175"></a> +<span class="sourceLineNo">176</span> out.close();<a name="line.176"></a> +<span class="sourceLineNo">177</span> }<a name="line.177"></a> +<span class="sourceLineNo">178</span> }<a name="line.178"></a> +<span class="sourceLineNo">179</span><a name="line.179"></a> +<span class="sourceLineNo">180</span> /**<a name="line.180"></a> +<span class="sourceLineNo">181</span> * Parses hostname:port from WAL file path<a name="line.181"></a> +<span class="sourceLineNo">182</span> * @param p path to WAL file<a name="line.182"></a> +<span class="sourceLineNo">183</span> * @return hostname:port<a name="line.183"></a> +<span class="sourceLineNo">184</span> */<a name="line.184"></a> +<span class="sourceLineNo">185</span> public static String parseHostNameFromLogFile(Path p) {<a name="line.185"></a> +<span class="sourceLineNo">186</span> try {<a name="line.186"></a> +<span class="sourceLineNo">187</span> if (AbstractFSWALProvider.isArchivedLogFile(p)) {<a name="line.187"></a> +<span class="sourceLineNo">188</span> return BackupUtils.parseHostFromOldLog(p);<a name="line.188"></a> +<span class="sourceLineNo">189</span> } else {<a name="line.189"></a> +<span class="sourceLineNo">190</span> ServerName sname = AbstractFSWALProvider.getServerNameFromWALDirectoryName(p);<a name="line.190"></a> +<span class="sourceLineNo">191</span> if (sname != null) {<a name="line.191"></a> +<span class="sourceLineNo">192</span> return sname.getAddress().toString();<a name="line.192"></a> +<span class="sourceLineNo">193</span> } else {<a name="line.193"></a> +<span class="sourceLineNo">194</span> LOG.error("Skip log file (can't parse): " + p);<a name="line.194"></a> +<span class="sourceLineNo">195</span> return null;<a name="line.195"></a> +<span class="sourceLineNo">196</span> }<a name="line.196"></a> +<span class="sourceLineNo">197</span> }<a name="line.197"></a> +<span class="sourceLineNo">198</span> } catch (Exception e) {<a name="line.198"></a> +<span class="sourceLineNo">199</span> LOG.error("Skip log file (can't parse): " + p, e);<a name="line.199"></a> +<span class="sourceLineNo">200</span> return null;<a name="line.200"></a> +<span class="sourceLineNo">201</span> }<a name="line.201"></a> +<span class="sourceLineNo">202</span> }<a name="line.202"></a> +<span class="sourceLineNo">203</span><a name="line.203"></a> +<span class="sourceLineNo">204</span> /**<a name="line.204"></a> +<span class="sourceLineNo">205</span> * Returns WAL file name<a name="line.205"></a> +<span class="sourceLineNo">206</span> * @param walFileName WAL file name<a name="line.206"></a> +<span class="sourceLineNo">207</span> * @return WAL file name<a name="line.207"></a> +<span class="sourceLineNo">208</span> */<a name="line.208"></a> +<span class="sourceLineNo">209</span> public static String getUniqueWALFileNamePart(String walFileName) {<a name="line.209"></a> +<span class="sourceLineNo">210</span> return getUniqueWALFileNamePart(new Path(walFileName));<a name="line.210"></a> +<span class="sourceLineNo">211</span> }<a name="line.211"></a> +<span class="sourceLineNo">212</span><a name="line.212"></a> +<span class="sourceLineNo">213</span> /**<a name="line.213"></a> +<span class="sourceLineNo">214</span> * Returns WAL file name<a name="line.214"></a> +<span class="sourceLineNo">215</span> * @param p WAL file path<a name="line.215"></a> +<span class="sourceLineNo">216</span> * @return WAL file name<a name="line.216"></a> +<span class="sourceLineNo">217</span> */<a name="line.217"></a> +<span class="sourceLineNo">218</span> public static String getUniqueWALFileNamePart(Path p) {<a name="line.218"></a> +<span class="sourceLineNo">219</span> return p.getName();<a name="line.219"></a> +<span class="sourceLineNo">220</span> }<a name="line.220"></a> +<span class="sourceLineNo">221</span><a name="line.221"></a> +<span class="sourceLineNo">222</span> /**<a name="line.222"></a> +<span class="sourceLineNo">223</span> * Get the total length of files under the given directory recursively.<a name="line.223"></a> +<span class="sourceLineNo">224</span> * @param fs The hadoop file system<a name="line.224"></a> +<span class="sourceLineNo">225</span> * @param dir The target directory<a name="line.225"></a> +<span class="sourceLineNo">226</span> * @return the total length of files<a name="line.226"></a> +<span class="sourceLineNo">227</span> * @throws IOException exception<a name="line.227"></a> +<span class="sourceLineNo">228</span> */<a name="line.228"></a> +<span class="sourceLineNo">229</span> public static long getFilesLength(FileSystem fs, Path dir) throws IOException {<a name="line.229"></a> +<span class="sourceLineNo">230</span> long totalLength = 0;<a name="line.230"></a> +<span class="sourceLineNo">231</span> FileStatus[] files = FSUtils.listStatus(fs, dir);<a name="line.231"></a> +<span class="sourceLineNo">232</span> if (files != null) {<a name="line.232"></a> +<span class="sourceLineNo">233</span> for (FileStatus fileStatus : files) {<a name="line.233"></a> +<span class="sourceLineNo">234</span> if (fileStatus.isDirectory()) {<a name="line.234"></a> +<span class="sourceLineNo">235</span> totalLength += getFilesLength(fs, fileStatus.getPath());<a name="line.235"></a> +<span class="sourceLineNo">236</span> } else {<a name="line.236"></a> +<span class="sourceLineNo">237</span> totalLength += fileStatus.getLen();<a name="line.237"></a> +<span class="sourceLineNo">238</span> }<a name="line.238"></a> +<span class="sourceLineNo">239</span> }<a name="line.239"></a> +<span class="sourceLineNo">240</span> }<a name="line.240"></a> +<span class="sourceLineNo">241</span> return totalLength;<a name="line.241"></a> +<span class="sourceLineNo">242</span> }<a name="line.242"></a> +<span class="sourceLineNo">243</span><a name="line.243"></a> +<span class="sourceLineNo">244</span> /**<a name="line.244"></a> +<span class="sourceLineNo">245</span> * Get list of all old WAL files (WALs and archive)<a name="line.245"></a> +<span class="sourceLineNo">246</span> * @param c configuration<a name="line.246"></a> +<span class="sourceLineNo">247</span> * @param hostTimestampMap {host,timestamp} map<a name="line.247"></a> +<span class="sourceLineNo">248</span> * @return list of WAL files<a name="line.248"></a> +<span class="sourceLineNo">249</span> * @throws IOException exception<a name="line.249"></a> +<span class="sourceLineNo">250</span> */<a name="line.250"></a> +<span class="sourceLineNo">251</span> public static List<String> getWALFilesOlderThan(final Configuration c,<a name="line.251"></a> +<span class="sourceLineNo">252</span> final HashMap<String, Long> hostTimestampMap) throws IOException {<a name="line.252"></a> +<span class="sourceLineNo">253</span> Path walRootDir = CommonFSUtils.getWALRootDir(c);<a name="line.253"></a> +<span class="sourceLineNo">254</span> Path logDir = new Path(walRootDir, HConstants.HREGION_LOGDIR_NAME);<a name="line.254"></a> +<span class="sourceLineNo">255</span> Path oldLogDir = new Path(walRootDir, HConstants.HREGION_OLDLOGDIR_NAME);<a name="line.255"></a> +<span class="sourceLineNo">256</span> List<String> logFiles = new ArrayList<>();<a name="line.256"></a> +<span class="sourceLineNo">257</span><a name="line.257"></a> +<span class="sourceLineNo">258</span> PathFilter filter = p -> {<a name="line.258"></a> +<span class="sourceLineNo">259</span> try {<a name="line.259"></a> +<span class="sourceLineNo">260</span> if (AbstractFSWALProvider.isMetaFile(p)) {<a name="line.260"></a> +<span class="sourceLineNo">261</span> return false;<a name="line.261"></a> +<span class="sourceLineNo">262</span> }<a name="line.262"></a> +<span class="sourceLineNo">263</span> String host = parseHostNameFromLogFile(p);<a name="line.263"></a> +<span class="sourceLineNo">264</span> if (host == null) {<a name="line.264"></a> +<span class="sourceLineNo">265</span> return false;<a name="line.265"></a> +<span class="sourceLineNo">266</span> }<a name="line.266"></a> +<span class="sourceLineNo">267</span> Long oldTimestamp = hostTimestampMap.get(host);<a name="line.267"></a> +<span class="sourceLineNo">268</span> Long currentLogTS = BackupUtils.getCreat
<TRUNCATED>