You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@hbase.apache.org by gi...@apache.org on 2018/11/14 14:53:13 UTC
[24/29] hbase-site git commit: Published site at
640a5e390b525e1c42f3c46bcc5acc59786900f0.
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 name="line.199"></a>
-<span class="sourceLineNo">200</span> }<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> * Returns WAL file name<a name="line.204"></a>
-<span class="sourceLineNo">205</span> * @param walFileName WAL file name<a name="line.205"></a>
-<span class="sourceLineNo">206</span> * @return WAL file name<a name="line.206"></a>
-<span class="sourceLineNo">207</span> */<a name="line.207"></a>
-<span class="sourceLineNo">208</span> public static String getUniqueWALFileNamePart(String walFileName) {<a name="line.208"></a>
-<span class="sourceLineNo">209</span> return getUniqueWALFileNamePart(new Path(walFileName));<a name="line.209"></a>
-<span class="sourceLineNo">210</span> }<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> * 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 class="sourceLineNo">278</span> }<a name="line.278"></a>
-<span class="sourceLineNo">279</span><a name="line.279"></a>
-<span class="sourceLineNo">280</span> public static TableName[] parseTableNames(String tables) {<a name="line.280"></a>
-<span class="sourceLineNo">281</span> if (tables == null) {<a name="line.281"></a>
-<span class="sourceLineNo">282</span> return null;<a name="line.282"></a>
-<span class="sourceLineNo">283</span> }<a name="line.283"></a>
-<span class="sourceLineNo">284</span> String[] tableArray = tables.split(BackupRestoreConstants.TABLENAME_DELIMITER_IN_COMMAND);<a name="line.284"></a>
-<span class="sourceLineNo">285</span><a name="line.285"></a>
-<span class="sourceLineNo">286</span> TableName[] ret = new TableName[tableArray.length];<a name="line.286"></a>
-<span class="sourceLineNo">287</span> for (int i = 0; i < tableArray.length; i++) {<a name="line.287"></a>
-<span class="sourceLineNo">288</span> ret[i] = TableName.valueOf(tableArray[i]);<a name="line.288"></a>
-<span class="sourceLineNo">289</span> }<a name="line.289"></a>
-<span class="sourceLineNo">290</span> return ret;<a name="line.290"></a>
-<span class="sourceLineNo">291</span> }<a name="line.291"></a>
-<span class="sourceLineNo">292</span><a name="line.292"></a>
-<span class="sourceLineNo">293</span> /**<a name="line.293"></a>
-<span class="sourceLineNo">294</span> * Check whether the backup path exist<a name="line.294"></a>
-<span class="sourceLineNo">295</span> * @param backupStr backup<a name="line.295"></a>
-<span class="sourceLineNo">296</span> * @param conf configuration<a name="line.296"></a>
-<span class="sourceLineNo">297</span> * @return Yes if path exists<a name="line.297"></a>
-<span class="sourceLineNo">298</span> * @throws IOException exception<a name="line.298"></a>
-<span class="sourceLineNo">299</span> */<a name="line.299"></a>
-<span class="sourceLineNo">300</span> public static boolean checkPathExist(String backupStr, Configuration conf) throws IOException {<a name="line.300"></a>
-<span class="sourceLineNo">301</span> boolean isExist = false;<a name="line.301"></a>
-<span class="sourceLineNo">302</span> Path backupPath = new Path(backupStr);<a name="line.302"></a>
-<span class="sourceLineNo">303</span> FileSystem fileSys = backupPath.getFileSystem(conf);<a name="line.303"></a>
-<span class="sourceLineNo">304</span> String targetFsScheme = fileSys.getUri().getScheme();<a name="line.304"></a>
-<span class="sourceLineNo">305</span> if (LOG.isTraceEnabled()) {<a name="line.305"></a>
-<span class="sourceLineNo">306</span> LOG.trace("Schema of given url: " + backupStr + " is: " + targetFsScheme);<a name="line.306"></a>
-<span class="sourceLineNo">307</span> }<a name="line.307"></a>
-<span class="sourceLineNo">308</span> if (fileSys.exists(backupPath)) {<a name="line.308"></a>
-<span class="sourceLineNo">309</span> isExist = true;<a name="line.309"></a>
-<span class="sourceLineNo">310</span> }<a name="line.310"></a>
-<span class="sourceLineNo">311</span> return isExist;<a name="line.311"></a>
-<span class="sourceLineNo">312</span> }<a name="line.312"></a>
-<span class="sourceLineNo">313</span><a name="line.313"></a>
-<span class="sourceLineNo">314</span> /**<a name="line.314"></a>
-<span class="sourceLineNo">315</span> * Check target path first, confirm it doesn't exist before backup<a name="line.315"></a>
-<span class="sourceLineNo">316</span> * @param backupRootPath backup destination path<a name="line.316"></a>
-<span class="sourceLineNo">317</span> * @param conf configuration<a name="line.317"></a>
-<span class="sourceLineNo">318</span> * @throws IOException exception<a name="line.318"></a>
-<span class="sourceLineNo">319</span> */<a name="line.319"></a>
-<span class="sourceLineNo">320</span> public static void checkTargetDir(String backupRootPath, Configuration conf) throws IOException {<a name="line.320"></a>
-<span class="sourceLineNo">321</span> boolean targetExists;<a name="line.321"></a>
-<span class="sourceLineNo">322</span> try {<a name="line.322"></a>
-<span class="sourceLineNo">323</span> targetExists = checkPathExist(backupRootPath, conf);<a name="line.323"></a>
-<span class="sourceLineNo">324</span> } catch (IOException e) {<a name="line.324"></a>
-<span class="sourceLineNo">325</span> String expMsg = e.getMessage();<a name="line.325"></a>
-<span class="sourceLineNo">326</span> String newMsg = null;<a name="line.326"></a>
-<span class="sourceLineNo">327</span> if (expMsg.contains("No FileSystem for scheme")) {<a name="line.327"></a>
-<span class="sourceLineNo">328</span> newMsg =<a name="line.328"></a>
-<span class="sourceLineNo">329</span> "Unsupported filesystem scheme found in the backup target url. Error Message: "<a name="line.329"></a>
-<span class="sourceLineNo">330</span> + expMsg;<a name="line.330"></a>
-<span class="sourceLineNo">331</span> LOG.error(newMsg);<a name="line.331"></a>
-<span class="sourceLineNo">332</span> throw new IOException(newMsg);<a name="line.332"></a>
-<span class="sourceLineNo">333</span> } else {<a name="line.333"></a>
-<span class="sourceLineNo">334</span> throw e;<a name="line.334"></a>
-<span class="sourceLineNo">335</span> }<a name="line.335"></a>
-<span class="sourceLineNo">336</span> }<a name="line.336"></a>
-<span class="sourceLineNo">337</span><a name="line.337"></a>
-<span class="sourceLineNo">338</span> if (targetExists) {<a name="line.338"></a>
-<span class="sourceLineNo">339</span> LOG.info("Using existing backup root dir: " + backupRootPath);<a name="line.339"></a>
-<span class="sourceLineNo">340</span> } else {<a name="line.340"></a>
-<span class="sourceLineNo">341</span> LOG.info("Backup root dir " + backupRootPath + " does not exist. Will be created.");<a name="line.341"></a>
-<span class="sourceLineNo">342</span> }<a name="line.342"></a>
-<span class="sourceLineNo">343</span> }<a name="line.343"></a>
-<span class="sourceLineNo">344</span><a name="line.344"></a>
-<span class="sourceLineNo">345</span> /**<a name="line.345"></a>
-<span class="sourceLineNo">346</span> * Get the min value for all the Values a map.<a name="line.346"></a>
-<span class="sourceLineNo">347</span> * @param map map<a name="line.347"></a>
-<span class="sourceLineNo">348</span> * @return the min value<a name="line.348"></a>
-<span class="sourceLineNo">349</span> */<a name="line.349"></a>
-<span class="sourceLineNo">350</span> public static <T> Long getMinValue(HashMap<T, Long> map) {<a name="line.350"></a>
-<span class="sourceLineNo">351</span> Long minTimestamp = null;<a name="line.351"></a>
-<span class="sourceLineNo">352</span> if (map != null) {<a name="line.352"></a>
-<span class="sourceLineNo">353</span> ArrayList<Long> timestampList = new ArrayList<>(map.values());<a name="line.353"></a>
-<span class="sourceLineNo">354</span> Collections.sort(timestampList);<a name="line.354"></a>
-<span class="sourceLineNo">355</span> // The min among all the RS log timestamps will be kept in backup system table table.<a name="line.355"></a>
-<span class="sourceLineNo">356</span> minTimestamp = timestampList.get(0);<a name="line.356"></a>
-<span class="sourceLineNo">357</span> }<a name="line.357"></a>
-<span class="sourceLineNo">358</span> return minTimestamp;<a name="line.358"></a>
-<span class="sourceLineNo">359</span> }<a name="line.359"></a>
-<span class="sourceLineNo">360</span><a name="line.360"></a>
-<span class="sourceLineNo">361</span> /**<a name="line.361"></a>
-<span class="sourceLineNo">362</span> * Parses host name:port from archived WAL path<a name="line.362"></a>
-<span class="sourceLineNo">363</span> * @param p path<a name="line.363"></a>
-<span class="sourceLineNo">364</span> * @return host name<a name="line.364"></a>
-<span class="sourceLineNo">365</span> */<a name="line.365"></a>
-<span class="sourceLineNo">366</span> public static String parseHostFromOldLog(Path p) {<a name="line.366"></a>
-<span class="sourceLineNo">367</span> try {<a name="line.367"></a>
-<span class="sourceLineNo">368</span> String n = p.getName();<a name="line.368"></a>
-<span class="sourceLineNo">369</span> int idx = n.lastIndexOf(LOGNAME_SEPARATOR);<a name="line.369"></a>
-<span class="sourceLineNo">370</span> String s = URLDecoder.decode(n.substring(0, idx), "UTF8");<a name="line.370"></a>
-<span class="sourceLineNo">371</span> return ServerName.parseHostname(s) + ":" + ServerName.parsePort(s);<a name="line.371"></a>
-<span class="sourceLineNo">372</span> } catch (Exception e) {<a name="line.372"></a>
-<span class="sourceLineNo">373</span> LOG.warn("Skip log file (can't parse): " + p);<a name="line.373"></a>
-<span class="sourceLineNo">374</span> return null;<a name="line.374"></a>
-<span class="sourceLineNo">375</span> }<a name="line.375"></a>
-<span class="sourceLineNo">376</span> }<a name="line.376"></a>
-<span class="sourceLineNo">377</span><a name="line.377"></a>
-<span class="sourceLineNo">378</span> /**<a name="line.378"></a>
-<span class="sourceLineNo">379</span> * Given the log file, parse the timestamp from the file name. The timestamp is the last number.<a name="line.379"></a>
-<span class="sourceLineNo">380</span> * @param p a path to the log file<a name="line.380"></a>
-<span class="sourceLineNo">381</span> * @return the timestamp<a name="line.381"></a>
-<span class="sourceLineNo">382</span> * @throws IOException exception<a name="line.382"></a>
-<span class="sourceLineNo">383</span> */<a name="line.383"></a>
-<span class="sourceLineNo">384</span> public static Long getCreationTime(Path p) throws IOException {<a name="line.384"></a>
-<span class="sourceLineNo">385</span> int idx = p.getName().lastIndexOf(LOGNAME_SEPARATOR);<a name="line.385"></a>
-<span class="sourceLineNo">386</span> if (idx < 0) {<a name="line.386"></a>
-<span class="sourceLineNo">387</span> throw new IOException("Cannot parse timestamp from path " + p);<a name="line.387"></a>
-<span class="sourceLineNo">388</span> }<a name="line.388"></a>
-<span class="sourceLineNo">389</span> String ts = p.getName().substring(idx + 1);<a name="line.389"></a>
-<span class="sourceLineNo">390</span> return Long.parseLong(ts);<a name="line.390"></a>
-<span class="sourceLineNo">391</span> }<a name="line.391"></a>
-<span class="sourceLineNo">392</span><a name="line.392"></a>
-<span class="sourceLineNo">393</span> public static List<String> getFiles(FileSystem fs, Path rootDir, List<String> files,<a name="line.393"></a>
-<span class="sourceLineNo">394</span> PathFilter filter) throws IOException {<a name="line.394"></a>
-<span class="sourceLineNo">395</span> RemoteIterator<LocatedFileStatus> it = fs.listFiles(rootDir, true);<a name="line.395"></a>
-<span class="sourceLineNo">396</span><a name="line.396"></a>
-<span class="sourceLineNo">397</span> while (it.hasNext()) {<a name="line.397"></a>
-<span class="sourceLineNo">398</span> LocatedFileStatus lfs = it.next();<a name="line.398"></a>
-<span class="sourceLineNo">399</span> if (lfs.isDirectory()) {<a name="line.399"></a>
-<span class="sourceLineNo">400</span> continue;<a name="line.400"></a>
-<span class="sourceLineNo">401</span> }<a name="line.401"></a>
-<span class="sourceLineNo">402</span> // apply filter<a name="line.402"></a>
-<span class="sourceLineNo">403</span> if (filter.accept(lfs.getPath())) {<a name="line.403"></a>
-<span class="sourceLineNo">404</span> files.add(lfs.getPath().toString());<a name="line.404"></a>
-<span class="sourceLineNo">405</span> }<a name="line.405"></a>
-<span class="sourceLineNo">406</span> }<a name="line.406"></a>
-<span class="sourceLineNo">407</span> return files;<a name="line.407"></a>
-<span class="sourceLineNo">408</span> }<a name="line.408"></a>
-<span class="sourceLineNo">409</span><a name="line.409"></a>
-<span class="sourceLineNo">410</span> public static void cleanupBackupData(BackupInfo context, Configuration conf) throws IOException {<a name="line.410"></a>
-<span class="sourceLineNo">411</span> cleanupHLogDir(context, conf);<a name="line.411"></a>
-<span class="sourceLineNo">412</span> cleanupTargetDir(context, conf);<a name="line.412"></a>
-<span class="sourceLineNo">413</span> }<a name="line.413"></a>
-<span class="sourceLineNo">414</span><a name="line.414"></a>
-<span class="sourceLineNo">415</span> /**<a name="line.415"></a>
-<span class="sourceLineNo">416</span> * Clean up directories which are generated when DistCp copying hlogs<a name="line.416"></a>
-<span class="sourceLineNo">417</span> * @param backupInfo backup info<a name="line.417"></a>
-<span class="sourceLineNo">418</span> * @param conf configuration<a name="line.418"></a>
-<span class="sourceLineNo">419</span> * @throws IOException exception<a name="line.419"></a>
-<span class="sourceLineNo">420</span> */<a name="line.420"></a>
-<span class="sourceLineNo">421</span> private static void cleanupHLogDir(BackupInfo backupInfo, Configuration conf) throws IOException {<a name="line.421"></a>
-<span class="sourceLineNo">422</span> String logDir = backupInfo.getHLogTargetDir();<a name="line.422"></a>
-<span class="sourceLineNo">423</span> if (logDir == null) {<a name="line.423"></a>
-<span class="sourceLineNo">424</span> LOG.warn("No log directory specified for " + backupInfo.getBackupId());<a name="line.424"></a>
-<span class="sourceLineNo">425</span> return;<a name="line.425"></a>
-<span class="sourceLineNo">426</span> }<a name="line.426"></a>
-<span class="sourceLineNo">427</span><a name="line.427"></a>
-<span class="sourceLineNo">428</span> Path rootPath = new Path(logDir).getParent();<a name="line.428"></a>
-<span class="sourceLineNo">429</span> FileSystem fs = FileSystem.get(rootPath.toUri(), conf);<a name="line.429"></a>
-<span class="sourceLineNo">430</span> FileStatus[] files = listStatus(fs, rootPath, null);<a name="line.430"></a>
-<span class="sourceLineNo">431</span> if (files == null) {<a name="line.431"></a>
-<span class="sourceLineNo">432</span> return;<a name="line.432"></a>
-<span class="sourceLineNo">433</span> }<a name="line.433"></a>
-<span class="sourceLineNo">434</span> for (FileStatus file : files) {<a name="line.434"></a>
-<span class="sourceLineNo">435</span> LOG.debug("Delete log files: " + file.getPath().getName());<a name="line.435"></a>
-<span class="sourceLineNo">436</span> fs.delete(file.getPath(), true);<a name="line.436"></a>
-<span class="sourceLineNo">437</span> }<a name="line.437"></a>
-<span class="sourceLineNo">438</span> }<a name="line.438"></a>
-<span class="sourceLineNo">439</span><a name="line.439"></a>
-<span class="sourceLineNo">440</span> private static void cleanupTargetDir(BackupInfo backupInfo, Configuration conf) {<a name="line.440"></a>
-<span class="sourceLineNo">441</span> try {<a name="line.441"></a>
-<span class="sourceLineNo">442</span> // clean up the data at target directory<a name="line.442"></a>
-<span class="sourceLineNo">443</span> LOG.debug("Trying to cleanup up target dir : " + backupInfo.getBackupId());<a name="line.443"></a>
-<span class="sourceLineNo">444</span> String targetDir = backupInfo.getBackupRootDir();<a name="line.444"></a>
-<span class="sourceLineNo">445</span> if (targetDir == null) {<a name="line.445"></a>
-<span class="sourceLineNo">446</span> LOG.warn("No target directory specified for " + backupInfo.getBackupId());<a name="line.446"></a>
-<span class="sourceLineNo">447</span> return;<a name="line.447"></a>
-<span class="sourceLineNo">448</span> }<a name="line.448"></a>
-<span class="sourceLineNo">449</span><a name="line.449"></a>
-<span class="sourceLineNo">450</span> FileSystem outputFs = FileSystem.get(new Path(backupInfo.getBackupRootDir()).toUri(), conf);<a name="line.450"></a>
-<span class="sourceLineNo">451</span><a name="line.451"></a>
-<span class="sourceLineNo">452</span> for (TableName table : backupInfo.getTables()) {<a name="line.452"></a>
-<span class="sourceLineNo">453</span> Path targetDirPath =<a name="line.453"></a>
-<span class="sourceLineNo">454</span> new Path(getTableBackupDir(backupInfo.getBackupRootDir(), backupInfo.getBackupId(),<a name="line.454"></a>
-<span class="sourceLineNo">455</span> table));<a name="line.455"></a>
-<span class="sourceLineNo">456</span> if (outputFs.delete(targetDirPath, true)) {<a name="line.456"></a>
-<span class="sourceLineNo">457</span> LOG.info("Cleaning up backup data at " + targetDirPath.toString() + " done.");<a name="line.457"></a>
-<span class="sourceLineNo">458</span> } else {<a name="line.458"></a>
-<span class="sourceLineNo">459</span> LOG.info("No data has been found in " + targetDirPath.toString() + ".");<a name="line.459"></a>
-<span class="sourceLineNo">460</span> }<a name="line.460"></a>
-<span class="sourceLineNo">461</span><a name="line.461"></a>
-<span class="sourceLineNo">462</span> Path tableDir = targetDirPath.getParent();<a name="line.462"></a>
-<span class="sourceLineNo">463</span> FileStatus[] backups = listStatus(outputFs, tableDir, null);<a name="line.463"></a>
-<span class="sourceLineNo">464</span> if (backups == null || backups.length == 0) {<a name="line.464"></a>
-<span class="sourceLineNo">465</span> outputFs.delete(tableDir, true);<a name="line.465"></a>
-<span class="sourceLineNo">466</span> LOG.debug(tableDir.toString() + " is empty, remove it.");<a name="line.466"></a>
-<span class="sourceLineNo">467</span> }<a name="line.467"></a>
-<span class="sourceLineNo">468</span> }<a name="line.468"></a>
-<span class="sourceLineNo">469</span> outputFs.delete(new Path(targetDir, backupInfo.getBackupId()), true);<a name="line.469"></a>
-<span class="sourceLineNo">470</span> } catch (IOException e1) {<a name="line.470"></a>
-<span class="sourceLineNo">471</span> LOG.error("Cleaning up backup data of " + backupInfo.getBackupId() + " at "<a name="line.471"></a>
-<span class="sourceLineNo">472</span> + backupInfo.getBackupRootDir() + " failed due to " + e1.getMessage() + ".");<a name="line.472"></a>
-<span class="sourceLineNo">473</span> }<a name="line.473"></a>
-<span class="sourceLineNo">474</span> }<a name="line.474"></a>
-<span class="sourceLineNo">475</span><a name="line.475"></a>
-<span class="sourceLineNo">476</span> /**<a name="line.476"></a>
-<span class="sourceLineNo">477</span> * Given the backup root dir, backup id and the table name, return the backup image location,<a name="line.477"></a>
-<span class="sourceLineNo">478</span> * which is also where the backup manifest file is. return value look like:<a name="line.478"></a>
-<span class="sourceLineNo">479</span> * "hdfs://backup.hbase.org:9000/user/biadmin/backup1/backup_1396650096738/default/t1_dn/"<a name="line.479"></a>
-<span class="sourceLineNo">480</span> * @param backupRootDir backup root directory<a name="line.480"></a>
-<span class="sourceLineNo">481</span> * @param backupId backup id<a name="line.481"></a>
-<span class="sourceLineNo">482</span> * @param tableName table name<a name="line.482"></a>
-<span class="sourceLineNo">483</span> * @return backupPath String for the particular table<a name="line.483"></a>
-<span class="sourceLineNo">484</span> */<a name="line.484"></a>
-<span class="sourceLineNo">485</span> public static String getTableBackupDir(String backupRootDir, String backupId,<a name="line.485"></a>
-<span class="sourceLineNo">486</span> TableName tableName) {<a name="line.486"></a>
-<span class="sourceLineNo">487</span> return backupRootDir + Path.SEPARATOR + backupId + Path.SEPARATOR<a name="line.487"></a>
-<span class="sourceLineNo">488</span> + tableName.getNamespaceAsString() + Path.SEPARATOR + tableName.getQualifierAsString()<a name="line.488"></a>
-<span class="sourceLineNo">489</span> + Path.SEPARATOR;<a name="line.489"></a>
-<span class="sourceLineNo">490</span> }<a name="line.490"></a>
-<span class="sourceLineNo">491</span><a name="line.491"></a>
-<span class="sourceLineNo">492</span> /**<a name="line.492"></a>
-<span class="sourceLineNo">493</span> * Sort history list by start time in descending order.<a name="line.493"></a>
-<span class="sourceLineNo">494</span> * @param historyList history list<a name="line.494"></a>
-<span class="sourceLineNo">495</span> * @return sorted list of BackupCompleteData<a name="line.495"></a>
-<span class="sourceLineNo">496</span> */<a name="line.496"></a>
-<span class="sourceLineNo">497</span> public static ArrayList<BackupInfo> sortHistoryListDesc(ArrayList<BackupInfo> historyList) {<a name="line.497"></a>
-<span class="sourceLineNo">498</span> ArrayList<BackupInfo> list = new ArrayList<>();<a name="line.498"></a>
-<span class="sourceLineNo">499</span> TreeMap<String, BackupInfo> map = new TreeMap<>();<a name="line.499"></a>
-<span class="sourceLineNo">500</span> for (BackupInfo h : historyList) {<a name="line.500"></a>
-<span class="sourceLineNo">501</span> map.put(Long.toString(h.getStartTs()), h);<a name="line.501"></a>
-<span class="sourceLineNo">502</span> }<a name="line.502"></a>
-<span class="sourceLineNo">503</span> Iterator<String> i = map.descendingKeySet().iterator();<a name="line.503"></a>
-<span class="sourceLineNo">504</span> while (i.hasNext()) {<a name="line.504"></a>
-<span class="sourceLineNo">505</span> list.add(map.get(i.next()));<a name="line.505"></a>
-<span class="sourceLineNo">506</span> }<a name="line.506"></a>
-<span class="sourceLineNo">507</span> return list;<a name="line.507"></a>
-<span class="sourceLineNo">508</span> }<a name="line.508"></a>
-<span class="sourceLineNo">509</span><a name="line.509"></a>
-<span class="sourceLineNo">510</span> /**<a name="line.510"></a>
-<span class="sourceLineNo">511</span> * Calls fs.listStatus() and treats FileNotFoundException as non-fatal This accommodates<a name="line.511"></a>
-<span class="sourceLineNo">512</span> * differences between hadoop versions, where hadoop 1 does not throw a FileNotFoundException, and<a name="line.512"></a>
-<span class="sourceLineNo">513</span> * return an empty FileStatus[] while Hadoop 2 will throw FileNotFoundException.<a name="line.513"></a>
-<span class="sourceLineNo">514</span> * @param fs file system<a name="line.514"></a>
-<span class="sourceLineNo">515</span> * @param dir directory<a name="line.515"></a>
-<span class="sourceLineNo">516</span> * @param filter path filter<a name="line.516"></a>
-<span class="sourceLineNo">517</span> * @return null if dir is empty or doesn't exist, otherwise FileStatus array<a name="line.517"></a>
-<span class="sourceLineNo">518</span> */<a name="line.518"></a>
-<span class="sourceLineNo">519</span> public static FileStatus[] listStatus(final FileSystem fs, final Path dir,<a name="line.519"></a>
-<span class="sourceLineNo">520</span> final PathFilter filter) throws IOException {<a name="line.520"></a>
-<span class="sourceLineNo">521</span> FileStatus[] status = null;<a name="line.521"></a>
-<span class="sourceLineNo">522</span> try {<a name="line.522"></a>
-<span class="sourceLineNo">523</span> status = filter == null ? fs.listStatus(dir) : fs.listStatus(dir, filter);<a name="line.523"></a>
-<span class="sourceLineNo">524</span> } catch (FileNotFoundException fnfe) {<a name="line.524"></a>
-<span class="sourceLineNo">525</span> // if directory doesn't exist, return null<a name="line.525"></a>
-<span class="sourceLineNo">526</span> if (LOG.isTraceEnabled()) {<a name="line.526"></a>
-<span class="sourceLineNo">527</span> LOG.trace(dir + " doesn't exist");<a name="line.527"></a>
-<span class="sourceLineNo">528</span> }<a name="line.528"></a>
-<span class="sourceLineNo">529</span> }<a name="line.529"></a>
-<span class="sourceLineNo">530</span><a name="line.530"></a>
-<span class="sourceLineNo">531</span> if (status == null || status.length < 1) {<a name="line.531"></a>
-<span class="sourceLineNo">532</span> return null;<a name="line.532"></a>
-<span class="sourceLineNo">533</span> }<a name="line.533"></a>
-<span class="sourceLineNo">534</span><a name="line.534"></a>
-<span class="sourceLineNo">535</span> return status;<a name="line.535"></a>
-<span class="sourceLineNo">536</span> }<a name="line.536"></a>
-<span class="sourceLineNo">537</span><a name="line.537"></a>
-<span class="sourceLineNo">538</span> /**<a name="line.538"></a>
-<span class="sourceLineNo">539</span> * Return the 'path' component of a Path. In Hadoop, Path is an URI. This method returns the<a name="line.539"></a>
-<span class="sourceLineNo">540</span> * 'path' component of a Path's URI: e.g. If a Path is<a name="line.540"></a>
-<span class="sourceLineNo">541</span> * <code>hdfs://example.org:9000/hbase_trunk/TestTable/compaction.dir</code>, this method returns<a name="line.541"></a>
-<span class="sourceLineNo">542</span> * <code>/hbase_trunk/TestTable/compaction.dir</code>. This method is useful if you want to print<a name="line.542"></a>
-<span class="sourceLineNo">543</span> * out a Path without qualifying Filesystem instance.<a name="line.543"></a>
-<span class="sourceLineNo">544</span> * @param p file system Path whose 'path' component we are to return.<a name="line.544"></a>
-<span class="sourceLineNo">545</span> * @return Path portion of the Filesystem<a name="line.545"></a>
-<span class="sourceLineNo">546</span> */<a name="line.546"></a>
-<span class="sourceLineNo">547</span> public static String getPath(Path p) {<a name="line.547"></a>
-<span class="sourceLineNo">548</span> return p.toUri().getPath();<a name="line.548"></a>
-<span class="sourceLineNo">549</span> }<a name="line.549"></a>
-<span class="sourceLineNo">550</span><a name="line.550"></a>
-<span class="sourceLineNo">551</span> /**<a name="line.551"></a>
-<span class="sourceLineNo">552</span> * Given the backup root dir and the backup id, return the log file location for an incremental<a name="line.552"></a>
-<span class="sourceLineNo">553</span> * backup.<a name="line.553"></a>
-<span class="sourceLineNo">554</span> * @param backupRootDir backup root directory<a name="line.554"></a>
-<span class="sourceLineNo">555</span> * @param backupId backup id<a name="line.555"></a>
-<span class="sourceLineNo">556</span> * @return logBackupDir: ".../user/biadmin/backup1/WALs/backup_1396650096738"<a name="line.556"></a>
-<span class="sourceLineNo">557</span> */<a name="line.557"></a>
-<span class="sourceLineNo">558</span> public static String getLogBackupDir(String backupRootDir, String backupId) {<a name="line.558"></a>
-<span class="sourceLineNo">559</span> return backupRootDir + Path.SEPARATOR + backupId + Path.SEPARATOR<a name="line.559"></a>
-<span class="sourceLineNo">560</span> + HConstants.HREGION_LOGDIR_NAME;<a name="line.560"></a>
-<span class="sourceLineNo">561</span> }<a name="line.561"></a>
-<span class="sourceLineNo">562</span><a name="line.562"></a>
-<span class="sourceLineNo">563</span> private static List<BackupInfo> getHistory(Configuration conf, Path backupRootPath)<a name="line.563"></a>
-<span class="sourceLineNo">564</span> throws IOException {<a name="line.564"></a>
-<span class="sourceLineNo">565</span> // Get all (n) history from backup root destination<a name="line.565"></a>
-<span class="sourceLineNo">566</span><a name="line.566"></a>
-<span class="sourceLineNo">567</span> FileSystem fs = FileSystem.get(backupRootPath.toUri(), conf);<a name="line.567"></a>
-<span class="sourceLineNo">568</span> RemoteIterator<LocatedFileStatus> it = fs.listLocatedStatus(backupRootPath);<a name="line.568"></a>
-<span class="sourceLineNo">569</span><a name="line.569"></a>
-<span class="sourceLineNo">570</span> List<BackupInfo> infos = new ArrayList<>();<a name="line.570"></a>
-<span class="sourceLineNo">571</span> while (it.hasNext()) {<a name="line.571"></a>
-<span class="sourceLineNo">572</span> LocatedFileStatus lfs = it.next();<a name="line.572"></a>
-<span class="sourceLineNo">573</span><a name="line.573"></a>
-<span class="sourceLineNo">574</span> if (!lfs.isDirectory()) {<a name="line.574"></a>
-<span class="sourceLineNo">575</span> continue;<a name="line.575"></a>
-<span class="sourceLineNo">576</span> }<a name="line.576"></a>
-<span class="sourceLineNo">577</span><a name="line.577"></a>
-<span class="sourceLineNo">578</span> String backupId = lfs.getPath().getName();<a name="line.578"></a>
-<span class="sourceLineNo">579</span> try {<a name="line.579"></a>
-<span class="sourceLineNo">580</span> BackupInfo info = loadBackupInfo(backupRootPath, backupId, fs);<a name="line.580"></a>
-<span class="sourceLineNo">581</span> infos.add(info);<a name="line.581"></a>
-<span class="sourceLineNo">582</span> } catch (IOException e) {<a name="line.582"></a>
-<span class="sourceLineNo">583</span> LOG.error("Can not load backup info from: " + lfs.getPath(), e);<a name="line.583"></a>
-<span class="sourceLineNo">584</span> }<a name="line.584"></a>
-<span class="sourceLineNo">585</span> }<a name="line.585"></a>
-<span class="sourceLineNo">586</span> // Sort<a name="line.586"></a>
-<span class="sourceLineNo">587</span> Collections.sort(infos, new Comparator<BackupInfo>() {<a name="line.587"></a>
-<span class="sourceLineNo">588</span> @Override<a name="line.588"></a>
-<span class="sourceLineNo">589</span> public int compare(BackupInfo o1, BackupInfo o2) {<a name="line.589"></a>
-<span class="sourceLineNo">590</span> long ts1 = getTimestamp(o1.getBackupId());<a name="line.590"></a>
-<span class="sourceLineNo">591</span> long ts2 = getTimestamp(o2.getBackupId());<a name="line.591"></a>
-<span class="sourceLineNo">592</span><a name="line.592"></a>
-<span class="sourceLineNo">593</span> if (ts1 == ts2) {<a name="line.593"></a>
-<span class="sourceLineNo">594</span> return 0;<a name="line.594"></a>
-<span class="sourceLineNo">595</span> }<a name="line.595"></a>
-<span class="sourceLineNo">596</span><a name="line.596"></a>
-<span class="sourceLineNo">597</span> return ts1 < ts2 ? 1 : -1;<a name="line.597"></a>
-<span class="sourceLineNo">598</span> }<a name="line.598"></a>
-<span class="sourceLineNo">599</span><a name="line.599"></a>
-<span class="sourceLineNo">600</span> private long getTimestamp(String backupId) {<a name="line.600"></a>
-<span class="sourceLineNo">601</span> String[] split = backupId.split("_");<a name="line.601"></a>
-<span class="sourceLineNo">602</span> return Long.parseLong(split[1]);<a name="line.602"></a>
-<span class="sourceLineNo">603</span> }<a name="line.603"></a>
-<span class="sourceLineNo">604</span> });<a name="line.604"></a>
-<span class="sourceLineNo">605</span> return infos;<a name="line.605"></a>
-<span class="sourceLineNo">606</span> }<a name="line.606"></a>
-<span class="sourceLineNo">607</span><a name="line.607"></a>
-<span class="sourceLineNo">608</span> public static List<BackupInfo> getHistory(Configuration conf, int n, Path backupRootPath,<a name="line.608"></a>
-<span class="sourceLineNo">609</span> BackupInfo.Filter... filters) throws IOException {<a name="line.609"></a>
-<span class="sourceLineNo">610</span> List<BackupInfo> infos = getHistory(conf, backupRootPath);<a name="line.610"></a>
-<span class="sourceLineNo">611</span> List<BackupInfo> ret = new ArrayList<>();<a name="line.611"></a>
-<span class="sourceLineNo">612</span> for (BackupInfo info : infos) {<a name="line.612"></a>
-<span class="sourceLineNo">613</span> if (ret.size() == n) {<a name="line.613"></a>
-<span class="sourceLineNo">614</span> break;<a name="line.614"></a>
-<span class="sourceLineNo">615</span> }<a name="line.615"></a>
-<span class="sourceLineNo">616</span> boolean passed = true;<a name="line.616"></a>
-<span class="sourceLineNo">617</span> for (int i = 0; i < filters.length; i++) {<a name="line.617"></a>
-<span class="sourceLineNo">618</span> if (!filters[i].apply(info)) {<a name="line.618"></a>
-<span class="sourceLineNo">619</span> passed = false;<a name="line.619"></a>
-<span class="sourceLineNo">620</span> break;<a name="line.620"></a>
-<span class="sourceLineNo">621</span> }<a name="line.621"></a>
-<span class="sourceLineNo">622</span> }<a name="line.622"></a>
-<span class="sourceLineNo">623</span> if (passed) {<a name="line.623"></a>
-<span class="sourceLineNo">624</span> ret.add(info);<a name="line.624"></a>
-<span class="sourceLineNo">625</span> }<a name="line.625"></a>
-<span class="sourceLineNo">626</span> }<a name="line.626"></a>
-<span class="sourceLineNo">627</span> return ret;<a name="line.627"></a>
-<span class="sourceLineNo">628</span> }<a name="line.628"></a>
-<span class="sourceLineNo">629</span><a name="line.629"></a>
-<span class="sourceLineNo">630</span> public static BackupInfo loadBackupInfo(Path backupRootPath, String backupId, FileSystem fs)<a name="line.630"></a>
-<span class="sourceLineNo">631</span> throws IOException {<a name="line.631"></a>
-<span class="sourceLineNo">632</span> Path backupPath = new Path(backupRootPath, backupId);<a name="line.632"></a>
-<span class="sourceLineNo">633</span><a name="line.633"></a>
-<span class="sourceLineNo">634</span> RemoteIterator<LocatedFileStatus> it = fs.listFiles(backupPath, true);<a name="line.634"></a>
-<span class="sourceLineNo">635</span> while (it.hasNext()) {<a name="line.635"></a>
-<span class="sourceLineNo">636</span> LocatedFileStatus lfs = it.next();<a name="line.636"></a>
-<span class="sourceLineNo">637</span> if (lfs.getPath().getName().equals(BackupManifest.MANIFEST_FILE_NAME)) {<a name="line.637"></a>
-<span class="sourceLineNo">638</span> // Load BackupManifest<a name="line.638"></a>
-<span class="sourceLineNo">639</span> BackupManifest manifest = new BackupManifest(fs, lfs.getPath().getParent());<a name="line.639"></a>
-<span class="sourceLineNo">640</span> BackupInfo info = manifest.toBackupInfo();<a name="line.640"></a>
-<span class="sourceLineNo">641</span> return info;<a name="line.641"></a>
-<span class="sourceLineNo">642</span> }<a name="line.642"></a>
-<span class="sourceLineNo">643</span> }<a name="line.643"></a>
-<span class="sourceLineNo">644</span> return null;<a name="line.644"></a>
-<span class="sourceLineNo">645</span> }<a name="line.645"></a>
-<span class="sourceLineNo">646</span><a name="line.646"></a>
-<span class="sourceLineNo">647</span> /**<a name="line.647"></a>
-<span class="sourceLineNo">648</span> * Create restore request.<a name="line.648"></a>
-<span class="sourceLineNo">649</span> * @param backupRootDir backup root dir<a name="line.649"></a>
-<span class="sourceLineNo">650</span> * @param backupId backup id<a name="line.650"></a>
-<span class="sourceLineNo">651</span> * @param check check only<a name="line.651"></a>
-<span class="sourceLineNo">652</span> * @param fromTables table list from<a name="line.652"></a>
-<span class="sourceLineNo">653</span> * @param toTables table list to<a name="line.653"></a>
-<span class="sourceLineNo">654</span> * @param 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 name="line.662"></a>
-<span class="sourceLineNo">663</span> return request;<a name="line.663"></a>
-<span class="sourceLineNo">664</span> }<a name="line.664"></a>
-<span class="sourceLineNo">665</span><a name="line.665"></a>
-<span class="sourceLineNo">666</span> public static boolean validate(HashMap<TableName, BackupManifest> backupManifestMap,<a name="line.666"></a>
-<span class="sourceLineNo">667</span> Configuration conf) throws IOException {<a name="line.667"></a>
-<span class="sourceLineNo">668</span> boolean isValid = true;<a name="line.668"></a>
-<span class="sourceLineNo">669</span><a name="line.669"></a>
-<span class="sourceLineNo">670</span> for (Entry<TableName, BackupManifest> manifestEntry : backupManifestMap.entrySet()) {<a name="line.670"></a>
-<span class="sourceLineNo">671</span> TableName table = manifestEntry.getKey();<a name="line.671"></a>
-<span class="sourceLineNo">672</span> TreeSet<BackupImage> imageSet = new TreeSet<>();<a name="line.672"></a>
-<span 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. Bad for snapshot restore.<a name="line.733"></a>
-<span class="sourceLineNo">734</span> conf.setInt(LoadIncrementalHFiles.MAX_FILES_PER_REGION_PER_FAMILY, Integer.MAX_VALUE);<a name="line.734"></a>
-<span class="sourceLineNo">735</span> conf.set(LoadIncrementalHFiles.IGNORE_UNMATCHED_CF_CONF_KEY, "yes");<a name="line.735"></a>
-<span class="sourceLineNo">736</span> LoadIncrementalHFiles loader;<a name="line.736"></a>
-<span class="sourceLineNo">737</span> try {<a name="line.737"></a>
-<span class="sourceLineNo">738</span> loader = new LoadIncrementalHFiles(conf);<a name="line.738"></a>
-<span class="sourceLineNo">739</span> } catch (Exception e) {<a name="line.739"></a>
-<span class="sourceLineNo">740</span> throw new IOException(e);<a name="line.740"></a>
-<span class="sourceLineNo">741</span> }<a name="line.741"></a>
-<span class="sourceLineNo">742</span> return loader;<a name="line.742"></a>
-<span class="sourceLineNo">743</span> }<a name="line.743"></a>
-<span 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>