[08/51] [partial] hbase-site git commit: Published site at .

Sun, 28 Jan 2018 07:13:59 -0800 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/aa7ffc92/devapidocs/src-html/org/apache/hadoop/hbase/backup/impl/TableBackupClient.html
----------------------------------------------------------------------
diff --git 
a/devapidocs/src-html/org/apache/hadoop/hbase/backup/impl/TableBackupClient.html
 
b/devapidocs/src-html/org/apache/hadoop/hbase/backup/impl/TableBackupClient.html
index add44d1..efa6d95 100644
--- 
a/devapidocs/src-html/org/apache/hadoop/hbase/backup/impl/TableBackupClient.html
+++ 
b/devapidocs/src-html/org/apache/hadoop/hbase/backup/impl/TableBackupClient.html
@@ -43,13 +43,13 @@
 <span class="sourceLineNo">035</span>import 
org.apache.hadoop.hbase.backup.BackupType;<a name="line.35"></a>
 <span class="sourceLineNo">036</span>import 
org.apache.hadoop.hbase.backup.HBackupFileSystem;<a name="line.36"></a>
 <span class="sourceLineNo">037</span>import 
org.apache.hadoop.hbase.backup.impl.BackupManifest.BackupImage;<a 
name="line.37"></a>
-<span class="sourceLineNo">038</span>import 
org.apache.yetus.audience.InterfaceAudience;<a name="line.38"></a>
-<span class="sourceLineNo">039</span>import org.slf4j.Logger;<a 
name="line.39"></a>
-<span class="sourceLineNo">040</span>import org.slf4j.LoggerFactory;<a 
name="line.40"></a>
-<span class="sourceLineNo">041</span>import 
org.apache.hadoop.hbase.client.Admin;<a name="line.41"></a>
-<span class="sourceLineNo">042</span>import 
org.apache.hadoop.hbase.client.Connection;<a name="line.42"></a>
-<span class="sourceLineNo">043</span>import 
org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.43"></a>
-<span class="sourceLineNo">044</span>import 
org.apache.hadoop.hbase.util.FSUtils;<a name="line.44"></a>
+<span class="sourceLineNo">038</span>import 
org.apache.hadoop.hbase.client.Admin;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import 
org.apache.hadoop.hbase.client.Connection;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import 
org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import 
org.apache.hadoop.hbase.util.FSUtils;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import 
org.apache.yetus.audience.InterfaceAudience;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import org.slf4j.Logger;<a 
name="line.43"></a>
+<span class="sourceLineNo">044</span>import org.slf4j.LoggerFactory;<a 
name="line.44"></a>
 <span class="sourceLineNo">045</span><a name="line.45"></a>
 <span class="sourceLineNo">046</span>import 
org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a 
name="line.46"></a>
 <span class="sourceLineNo">047</span><a name="line.47"></a>
@@ -88,360 +88,355 @@
 <span class="sourceLineNo">080</span>  }<a name="line.80"></a>
 <span class="sourceLineNo">081</span><a name="line.81"></a>
 <span class="sourceLineNo">082</span>  public void init(final Connection conn, 
final String backupId, BackupRequest request)<a name="line.82"></a>
-<span class="sourceLineNo">083</span>      throws IOException<a 
name="line.83"></a>
-<span class="sourceLineNo">084</span>  {<a name="line.84"></a>
-<span class="sourceLineNo">085</span>    if (request.getBackupType() == 
BackupType.FULL) {<a name="line.85"></a>
-<span class="sourceLineNo">086</span>      backupManager = new 
BackupManager(conn, conn.getConfiguration());<a name="line.86"></a>
-<span class="sourceLineNo">087</span>    } else {<a name="line.87"></a>
-<span class="sourceLineNo">088</span>      backupManager = new 
IncrementalBackupManager(conn, conn.getConfiguration());<a name="line.88"></a>
-<span class="sourceLineNo">089</span>    }<a name="line.89"></a>
-<span class="sourceLineNo">090</span>    this.backupId = backupId;<a 
name="line.90"></a>
-<span class="sourceLineNo">091</span>    this.tableList = 
request.getTableList();<a name="line.91"></a>
-<span class="sourceLineNo">092</span>    this.conn = conn;<a 
name="line.92"></a>
-<span class="sourceLineNo">093</span>    this.conf = 
conn.getConfiguration();<a name="line.93"></a>
-<span class="sourceLineNo">094</span>    this.fs = 
FSUtils.getCurrentFileSystem(conf);<a name="line.94"></a>
-<span class="sourceLineNo">095</span>    backupInfo =<a name="line.95"></a>
-<span class="sourceLineNo">096</span>        
backupManager.createBackupInfo(backupId, request.getBackupType(), tableList,<a 
name="line.96"></a>
-<span class="sourceLineNo">097</span>          request.getTargetRootDir(), 
request.getTotalTasks(), request.getBandwidth());<a name="line.97"></a>
-<span class="sourceLineNo">098</span>    if (tableList == null || 
tableList.isEmpty()) {<a name="line.98"></a>
-<span class="sourceLineNo">099</span>      this.tableList = new 
ArrayList&lt;&gt;(backupInfo.getTables());<a name="line.99"></a>
-<span class="sourceLineNo">100</span>    }<a name="line.100"></a>
-<span class="sourceLineNo">101</span>    // Start new session<a 
name="line.101"></a>
-<span class="sourceLineNo">102</span>    backupManager.startBackupSession();<a 
name="line.102"></a>
-<span class="sourceLineNo">103</span>  }<a name="line.103"></a>
-<span class="sourceLineNo">104</span><a name="line.104"></a>
-<span class="sourceLineNo">105</span>  /**<a name="line.105"></a>
-<span class="sourceLineNo">106</span>   * Begin the overall backup.<a 
name="line.106"></a>
-<span class="sourceLineNo">107</span>   * @param backupInfo backup info<a 
name="line.107"></a>
-<span class="sourceLineNo">108</span>   * @throws IOException exception<a 
name="line.108"></a>
-<span class="sourceLineNo">109</span>   */<a name="line.109"></a>
-<span class="sourceLineNo">110</span>  protected void 
beginBackup(BackupManager backupManager, BackupInfo backupInfo)<a 
name="line.110"></a>
-<span class="sourceLineNo">111</span>      throws IOException {<a 
name="line.111"></a>
-<span class="sourceLineNo">112</span><a name="line.112"></a>
-<span class="sourceLineNo">113</span>    BackupSystemTable.snapshot(conn);<a 
name="line.113"></a>
-<span class="sourceLineNo">114</span>    
backupManager.setBackupInfo(backupInfo);<a name="line.114"></a>
-<span class="sourceLineNo">115</span>    // set the start timestamp of the 
overall backup<a name="line.115"></a>
-<span class="sourceLineNo">116</span>    long startTs = 
EnvironmentEdgeManager.currentTime();<a name="line.116"></a>
-<span class="sourceLineNo">117</span>    backupInfo.setStartTs(startTs);<a 
name="line.117"></a>
-<span class="sourceLineNo">118</span>    // set overall backup status: 
ongoing<a name="line.118"></a>
-<span class="sourceLineNo">119</span>    
backupInfo.setState(BackupState.RUNNING);<a name="line.119"></a>
-<span class="sourceLineNo">120</span>    
backupInfo.setPhase(BackupPhase.REQUEST);<a name="line.120"></a>
-<span class="sourceLineNo">121</span>    LOG.info("Backup " + 
backupInfo.getBackupId() + " started at " + startTs + ".");<a 
name="line.121"></a>
-<span class="sourceLineNo">122</span><a name="line.122"></a>
-<span class="sourceLineNo">123</span>    
backupManager.updateBackupInfo(backupInfo);<a name="line.123"></a>
-<span class="sourceLineNo">124</span>    if (LOG.isDebugEnabled()) {<a 
name="line.124"></a>
-<span class="sourceLineNo">125</span>      LOG.debug("Backup session " + 
backupInfo.getBackupId() + " has been started.");<a name="line.125"></a>
-<span class="sourceLineNo">126</span>    }<a name="line.126"></a>
-<span class="sourceLineNo">127</span>  }<a name="line.127"></a>
-<span class="sourceLineNo">128</span><a name="line.128"></a>
-<span class="sourceLineNo">129</span>  protected String getMessage(Exception 
e) {<a name="line.129"></a>
-<span class="sourceLineNo">130</span>    String msg = e.getMessage();<a 
name="line.130"></a>
-<span class="sourceLineNo">131</span>    if (msg == null || msg.equals("")) 
{<a name="line.131"></a>
-<span class="sourceLineNo">132</span>      msg = e.getClass().getName();<a 
name="line.132"></a>
-<span class="sourceLineNo">133</span>    }<a name="line.133"></a>
-<span class="sourceLineNo">134</span>    return msg;<a name="line.134"></a>
-<span class="sourceLineNo">135</span>  }<a name="line.135"></a>
-<span class="sourceLineNo">136</span><a name="line.136"></a>
-<span class="sourceLineNo">137</span>  /**<a name="line.137"></a>
-<span class="sourceLineNo">138</span>   * Delete HBase snapshot for backup.<a 
name="line.138"></a>
-<span class="sourceLineNo">139</span>   * @param backupInfo backup info<a 
name="line.139"></a>
-<span class="sourceLineNo">140</span>   * @throws Exception exception<a 
name="line.140"></a>
-<span class="sourceLineNo">141</span>   */<a name="line.141"></a>
-<span class="sourceLineNo">142</span>  protected static void 
deleteSnapshots(final Connection conn, BackupInfo backupInfo, Configuration 
conf)<a name="line.142"></a>
-<span class="sourceLineNo">143</span>      throws IOException {<a 
name="line.143"></a>
-<span class="sourceLineNo">144</span>    LOG.debug("Trying to delete snapshot 
for full backup.");<a name="line.144"></a>
-<span class="sourceLineNo">145</span>    for (String snapshotName : 
backupInfo.getSnapshotNames()) {<a name="line.145"></a>
-<span class="sourceLineNo">146</span>      if (snapshotName == null) {<a 
name="line.146"></a>
-<span class="sourceLineNo">147</span>        continue;<a name="line.147"></a>
-<span class="sourceLineNo">148</span>      }<a name="line.148"></a>
-<span class="sourceLineNo">149</span>      LOG.debug("Trying to delete 
snapshot: " + snapshotName);<a name="line.149"></a>
-<span class="sourceLineNo">150</span><a name="line.150"></a>
-<span class="sourceLineNo">151</span>      try (Admin admin = conn.getAdmin()) 
{<a name="line.151"></a>
-<span class="sourceLineNo">152</span>        
admin.deleteSnapshot(snapshotName);<a name="line.152"></a>
-<span class="sourceLineNo">153</span>      }<a name="line.153"></a>
-<span class="sourceLineNo">154</span>      LOG.debug("Deleting the snapshot " 
+ snapshotName + " for backup " + backupInfo.getBackupId()<a 
name="line.154"></a>
-<span class="sourceLineNo">155</span>          + " succeeded.");<a 
name="line.155"></a>
-<span class="sourceLineNo">156</span>    }<a name="line.156"></a>
-<span class="sourceLineNo">157</span>  }<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>   * Clean up directories with prefix 
"exportSnapshot-", which are generated when exporting<a name="line.160"></a>
-<span class="sourceLineNo">161</span>   * snapshots.<a name="line.161"></a>
-<span class="sourceLineNo">162</span>   * @throws IOException exception<a 
name="line.162"></a>
-<span class="sourceLineNo">163</span>   */<a name="line.163"></a>
-<span class="sourceLineNo">164</span>  protected static void 
cleanupExportSnapshotLog(Configuration conf) throws IOException {<a 
name="line.164"></a>
-<span class="sourceLineNo">165</span>    FileSystem fs = 
FSUtils.getCurrentFileSystem(conf);<a name="line.165"></a>
-<span class="sourceLineNo">166</span>    Path stagingDir =<a 
name="line.166"></a>
-<span class="sourceLineNo">167</span>        new 
Path(conf.get(BackupRestoreConstants.CONF_STAGING_ROOT, 
fs.getWorkingDirectory()<a name="line.167"></a>
-<span class="sourceLineNo">168</span>            .toString()));<a 
name="line.168"></a>
-<span class="sourceLineNo">169</span>    FileStatus[] files = 
FSUtils.listStatus(fs, stagingDir);<a name="line.169"></a>
-<span class="sourceLineNo">170</span>    if (files == null) {<a 
name="line.170"></a>
-<span class="sourceLineNo">171</span>      return;<a name="line.171"></a>
-<span class="sourceLineNo">172</span>    }<a name="line.172"></a>
-<span class="sourceLineNo">173</span>    for (FileStatus file : files) {<a 
name="line.173"></a>
-<span class="sourceLineNo">174</span>      if 
(file.getPath().getName().startsWith("exportSnapshot-")) {<a 
name="line.174"></a>
-<span class="sourceLineNo">175</span>        LOG.debug("Delete log files of 
exporting snapshot: " + file.getPath().getName());<a name="line.175"></a>
-<span class="sourceLineNo">176</span>        if (FSUtils.delete(fs, 
file.getPath(), true) == false) {<a name="line.176"></a>
-<span class="sourceLineNo">177</span>          LOG.warn("Can not delete " + 
file.getPath());<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>  }<a name="line.181"></a>
-<span class="sourceLineNo">182</span><a name="line.182"></a>
-<span class="sourceLineNo">183</span>  /**<a name="line.183"></a>
-<span class="sourceLineNo">184</span>   * Clean up the uncompleted data at 
target directory if the ongoing backup has already entered<a 
name="line.184"></a>
-<span class="sourceLineNo">185</span>   * the copy phase.<a 
name="line.185"></a>
-<span class="sourceLineNo">186</span>   */<a name="line.186"></a>
-<span class="sourceLineNo">187</span>  protected static void 
cleanupTargetDir(BackupInfo backupInfo, Configuration conf) {<a 
name="line.187"></a>
-<span class="sourceLineNo">188</span>    try {<a name="line.188"></a>
-<span class="sourceLineNo">189</span>      // clean up the uncompleted data at 
target directory if the ongoing backup has already entered<a 
name="line.189"></a>
-<span class="sourceLineNo">190</span>      // the copy phase<a 
name="line.190"></a>
-<span class="sourceLineNo">191</span>      LOG.debug("Trying to cleanup up 
target dir. Current backup phase: "<a name="line.191"></a>
-<span class="sourceLineNo">192</span>          + backupInfo.getPhase());<a 
name="line.192"></a>
-<span class="sourceLineNo">193</span>      if 
(backupInfo.getPhase().equals(BackupPhase.SNAPSHOTCOPY)<a name="line.193"></a>
-<span class="sourceLineNo">194</span>          || 
backupInfo.getPhase().equals(BackupPhase.INCREMENTAL_COPY)<a 
name="line.194"></a>
-<span class="sourceLineNo">195</span>          || 
backupInfo.getPhase().equals(BackupPhase.STORE_MANIFEST)) {<a 
name="line.195"></a>
-<span class="sourceLineNo">196</span>        FileSystem outputFs =<a 
name="line.196"></a>
-<span class="sourceLineNo">197</span>            FileSystem.get(new 
Path(backupInfo.getBackupRootDir()).toUri(), conf);<a name="line.197"></a>
-<span class="sourceLineNo">198</span><a name="line.198"></a>
-<span class="sourceLineNo">199</span>        // now treat one backup as a 
transaction, clean up data that has been partially copied at<a 
name="line.199"></a>
-<span class="sourceLineNo">200</span>        // table level<a 
name="line.200"></a>
-<span class="sourceLineNo">201</span>        for (TableName table : 
backupInfo.getTables()) {<a name="line.201"></a>
-<span class="sourceLineNo">202</span>          Path targetDirPath =<a 
name="line.202"></a>
-<span class="sourceLineNo">203</span>              new 
Path(HBackupFileSystem.getTableBackupDir(backupInfo.getBackupRootDir(),<a 
name="line.203"></a>
-<span class="sourceLineNo">204</span>                backupInfo.getBackupId(), 
table));<a name="line.204"></a>
-<span class="sourceLineNo">205</span>          if 
(outputFs.delete(targetDirPath, true)) {<a name="line.205"></a>
-<span class="sourceLineNo">206</span>            LOG.debug("Cleaning up 
uncompleted backup data at " + targetDirPath.toString()<a name="line.206"></a>
-<span class="sourceLineNo">207</span>                + " done.");<a 
name="line.207"></a>
-<span class="sourceLineNo">208</span>          } else {<a name="line.208"></a>
-<span class="sourceLineNo">209</span>            LOG.debug("No data has been 
copied to " + targetDirPath.toString() + ".");<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>          Path tableDir = 
targetDirPath.getParent();<a name="line.212"></a>
-<span class="sourceLineNo">213</span>          FileStatus[] backups = 
FSUtils.listStatus(outputFs, tableDir);<a name="line.213"></a>
-<span class="sourceLineNo">214</span>          if (backups == null || 
backups.length == 0) {<a name="line.214"></a>
-<span class="sourceLineNo">215</span>            outputFs.delete(tableDir, 
true);<a name="line.215"></a>
-<span class="sourceLineNo">216</span>            LOG.debug(tableDir.toString() 
+ " is empty, remove it.");<a name="line.216"></a>
-<span class="sourceLineNo">217</span>          }<a name="line.217"></a>
-<span class="sourceLineNo">218</span>        }<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>    } catch (IOException e1) {<a 
name="line.221"></a>
-<span class="sourceLineNo">222</span>      LOG.error("Cleaning up uncompleted 
backup data of " + backupInfo.getBackupId() + " at "<a name="line.222"></a>
-<span class="sourceLineNo">223</span>          + backupInfo.getBackupRootDir() 
+ " failed due to " + e1.getMessage() + ".");<a name="line.223"></a>
-<span class="sourceLineNo">224</span>    }<a name="line.224"></a>
-<span class="sourceLineNo">225</span>  }<a name="line.225"></a>
-<span class="sourceLineNo">226</span><a name="line.226"></a>
-<span class="sourceLineNo">227</span>  /**<a name="line.227"></a>
-<span class="sourceLineNo">228</span>   * Fail the overall backup.<a 
name="line.228"></a>
-<span class="sourceLineNo">229</span>   * @param backupInfo backup info<a 
name="line.229"></a>
-<span class="sourceLineNo">230</span>   * @param e exception<a 
name="line.230"></a>
-<span class="sourceLineNo">231</span>   * @throws Exception exception<a 
name="line.231"></a>
-<span class="sourceLineNo">232</span>   */<a name="line.232"></a>
-<span class="sourceLineNo">233</span>  protected void failBackup(Connection 
conn, BackupInfo backupInfo, BackupManager backupManager,<a name="line.233"></a>
-<span class="sourceLineNo">234</span>      Exception e, String msg, BackupType 
type, Configuration conf) throws IOException {<a name="line.234"></a>
-<span class="sourceLineNo">235</span><a name="line.235"></a>
-<span class="sourceLineNo">236</span>    try {<a name="line.236"></a>
-<span class="sourceLineNo">237</span>      LOG.error(msg + getMessage(e), 
e);<a name="line.237"></a>
-<span class="sourceLineNo">238</span>      // If this is a cancel exception, 
then we've already cleaned.<a name="line.238"></a>
-<span class="sourceLineNo">239</span>      // set the failure timestamp of the 
overall backup<a name="line.239"></a>
-<span class="sourceLineNo">240</span>      
backupInfo.setCompleteTs(EnvironmentEdgeManager.currentTime());<a 
name="line.240"></a>
-<span class="sourceLineNo">241</span>      // set failure message<a 
name="line.241"></a>
-<span class="sourceLineNo">242</span>      
backupInfo.setFailedMsg(e.getMessage());<a name="line.242"></a>
-<span class="sourceLineNo">243</span>      // set overall backup status: 
failed<a name="line.243"></a>
-<span class="sourceLineNo">244</span>      
backupInfo.setState(BackupState.FAILED);<a name="line.244"></a>
-<span class="sourceLineNo">245</span>      // compose the backup failed data<a 
name="line.245"></a>
-<span class="sourceLineNo">246</span>      String backupFailedData =<a 
name="line.246"></a>
-<span class="sourceLineNo">247</span>          "BackupId=" + 
backupInfo.getBackupId() + ",startts=" + backupInfo.getStartTs()<a 
name="line.247"></a>
-<span class="sourceLineNo">248</span>              + ",failedts=" + 
backupInfo.getCompleteTs() + ",failedphase=" + backupInfo.getPhase()<a 
name="line.248"></a>
-<span class="sourceLineNo">249</span>              + ",failedmessage=" + 
backupInfo.getFailedMsg();<a name="line.249"></a>
-<span class="sourceLineNo">250</span>      LOG.error(backupFailedData);<a 
name="line.250"></a>
-<span class="sourceLineNo">251</span>      cleanupAndRestoreBackupSystem(conn, 
backupInfo, conf);<a name="line.251"></a>
-<span class="sourceLineNo">252</span>      // If backup session is updated to 
FAILED state - means we<a name="line.252"></a>
-<span class="sourceLineNo">253</span>      // processed recovery already.<a 
name="line.253"></a>
-<span class="sourceLineNo">254</span>      
backupManager.updateBackupInfo(backupInfo);<a name="line.254"></a>
-<span class="sourceLineNo">255</span>      
backupManager.finishBackupSession();<a name="line.255"></a>
-<span class="sourceLineNo">256</span>      LOG.error("Backup " + 
backupInfo.getBackupId() + " failed.");<a name="line.256"></a>
-<span class="sourceLineNo">257</span>    } catch (IOException ee) {<a 
name="line.257"></a>
-<span class="sourceLineNo">258</span>      LOG.error("Please run backup repair 
tool manually to restore backup system integrity");<a name="line.258"></a>
-<span class="sourceLineNo">259</span>      throw ee;<a name="line.259"></a>
-<span class="sourceLineNo">260</span>    }<a name="line.260"></a>
-<span class="sourceLineNo">261</span>  }<a name="line.261"></a>
-<span class="sourceLineNo">262</span><a name="line.262"></a>
-<span class="sourceLineNo">263</span>  public static void 
cleanupAndRestoreBackupSystem(Connection conn, BackupInfo backupInfo,<a 
name="line.263"></a>
-<span class="sourceLineNo">264</span>      Configuration conf) throws 
IOException {<a name="line.264"></a>
-<span class="sourceLineNo">265</span>    BackupType type = 
backupInfo.getType();<a name="line.265"></a>
-<span class="sourceLineNo">266</span>    // if full backup, then delete HBase 
snapshots if there already are snapshots taken<a name="line.266"></a>
-<span class="sourceLineNo">267</span>    // and also clean up export snapshot 
log files if exist<a name="line.267"></a>
-<span class="sourceLineNo">268</span>    if (type == BackupType.FULL) {<a 
name="line.268"></a>
-<span class="sourceLineNo">269</span>      deleteSnapshots(conn, backupInfo, 
conf);<a name="line.269"></a>
-<span class="sourceLineNo">270</span>      cleanupExportSnapshotLog(conf);<a 
name="line.270"></a>
-<span class="sourceLineNo">271</span>    }<a name="line.271"></a>
-<span class="sourceLineNo">272</span>    
BackupSystemTable.restoreFromSnapshot(conn);<a name="line.272"></a>
-<span class="sourceLineNo">273</span>    
BackupSystemTable.deleteSnapshot(conn);<a name="line.273"></a>
-<span class="sourceLineNo">274</span>    // clean up the uncompleted data at 
target directory if the ongoing backup has already entered<a 
name="line.274"></a>
-<span class="sourceLineNo">275</span>    // the copy phase<a 
name="line.275"></a>
-<span class="sourceLineNo">276</span>    // For incremental backup, DistCp 
logs will be cleaned with the targetDir.<a name="line.276"></a>
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backupManager.createBackupInfo(backupId, request.getBackupType(), tableList,<a 
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tableList.isEmpty()) {<a name="line.97"></a>
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+<span class="sourceLineNo">100</span>    // Start new session<a 
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+<span class="sourceLineNo">103</span><a name="line.103"></a>
+<span class="sourceLineNo">104</span>  /**<a name="line.104"></a>
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name="line.105"></a>
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beginBackup(BackupManager backupManager, BackupInfo backupInfo)<a 
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backupManager.setBackupInfo(backupInfo);<a name="line.113"></a>
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ongoing<a name="line.117"></a>
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backupInfo.setState(BackupState.RUNNING);<a name="line.118"></a>
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backupInfo.setPhase(BackupPhase.REQUEST);<a name="line.119"></a>
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backupInfo.getBackupId() + " started at " + startTs + ".");<a 
name="line.120"></a>
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backupManager.updateBackupInfo(backupInfo);<a name="line.122"></a>
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+<span class="sourceLineNo">126</span>  }<a name="line.126"></a>
+<span class="sourceLineNo">127</span><a name="line.127"></a>
+<span class="sourceLineNo">128</span>  protected String getMessage(Exception 
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+<span class="sourceLineNo">133</span>    return msg;<a name="line.133"></a>
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+<span class="sourceLineNo">135</span><a name="line.135"></a>
+<span class="sourceLineNo">136</span>  /**<a name="line.136"></a>
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+<span class="sourceLineNo">138</span>   * @param backupInfo backup info<a 
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deleteSnapshots(final Connection conn, BackupInfo backupInfo,<a 
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IOException {<a name="line.142"></a>
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+<span class="sourceLineNo">148</span>      LOG.debug("Trying to delete 
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+<span class="sourceLineNo">149</span><a name="line.149"></a>
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{<a name="line.150"></a>
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admin.deleteSnapshot(snapshotName);<a name="line.151"></a>
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+<span class="sourceLineNo">153</span>      LOG.debug("Deleting the snapshot " 
+ snapshotName + " for backup " + backupInfo.getBackupId()<a 
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+<span class="sourceLineNo">154</span>          + " succeeded.");<a 
name="line.154"></a>
+<span class="sourceLineNo">155</span>    }<a name="line.155"></a>
+<span class="sourceLineNo">156</span>  }<a name="line.156"></a>
+<span class="sourceLineNo">157</span><a name="line.157"></a>
+<span class="sourceLineNo">158</span>  /**<a name="line.158"></a>
+<span class="sourceLineNo">159</span>   * Clean up directories with prefix 
"exportSnapshot-", which are generated when exporting<a name="line.159"></a>
+<span class="sourceLineNo">160</span>   * snapshots.<a name="line.160"></a>
+<span class="sourceLineNo">161</span>   * @throws IOException exception<a 
name="line.161"></a>
+<span class="sourceLineNo">162</span>   */<a name="line.162"></a>
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name="line.163"></a>
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FSUtils.getCurrentFileSystem(conf);<a name="line.164"></a>
+<span class="sourceLineNo">165</span>    Path stagingDir =<a 
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Path(conf.get(BackupRestoreConstants.CONF_STAGING_ROOT, 
fs.getWorkingDirectory()<a name="line.166"></a>
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name="line.167"></a>
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FSUtils.listStatus(fs, stagingDir);<a name="line.168"></a>
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(file.getPath().getName().startsWith("exportSnapshot-")) {<a 
name="line.173"></a>
+<span class="sourceLineNo">174</span>        LOG.debug("Delete log files of 
exporting snapshot: " + file.getPath().getName());<a name="line.174"></a>
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file.getPath(), true) == false) {<a name="line.175"></a>
+<span class="sourceLineNo">176</span>          LOG.warn("Can not delete " + 
file.getPath());<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><a name="line.181"></a>
+<span class="sourceLineNo">182</span>  /**<a name="line.182"></a>
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target directory if the ongoing backup has already entered<a 
name="line.183"></a>
+<span class="sourceLineNo">184</span>   * the copy phase.<a 
name="line.184"></a>
+<span class="sourceLineNo">185</span>   */<a name="line.185"></a>
+<span class="sourceLineNo">186</span>  protected static void 
cleanupTargetDir(BackupInfo backupInfo, Configuration conf) {<a 
name="line.186"></a>
+<span class="sourceLineNo">187</span>    try {<a name="line.187"></a>
+<span class="sourceLineNo">188</span>      // clean up the uncompleted data at 
target directory if the ongoing backup has already entered<a 
name="line.188"></a>
+<span class="sourceLineNo">189</span>      // the copy phase<a 
name="line.189"></a>
+<span class="sourceLineNo">190</span>      LOG.debug("Trying to cleanup up 
target dir. Current backup phase: "<a name="line.190"></a>
+<span class="sourceLineNo">191</span>          + backupInfo.getPhase());<a 
name="line.191"></a>
+<span class="sourceLineNo">192</span>      if 
(backupInfo.getPhase().equals(BackupPhase.SNAPSHOTCOPY)<a name="line.192"></a>
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backupInfo.getPhase().equals(BackupPhase.INCREMENTAL_COPY)<a 
name="line.193"></a>
+<span class="sourceLineNo">194</span>          || 
backupInfo.getPhase().equals(BackupPhase.STORE_MANIFEST)) {<a 
name="line.194"></a>
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+<span class="sourceLineNo">197</span><a name="line.197"></a>
+<span class="sourceLineNo">198</span>        // now treat one backup as a 
transaction, clean up data that has been partially copied at<a 
name="line.198"></a>
+<span class="sourceLineNo">199</span>        // table level<a 
name="line.199"></a>
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table));<a name="line.203"></a>
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(outputFs.delete(targetDirPath, true)) {<a name="line.204"></a>
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uncompleted backup data at " + targetDirPath.toString()<a name="line.205"></a>
+<span class="sourceLineNo">206</span>                + " done.");<a 
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+<span class="sourceLineNo">208</span>            LOG.debug("No data has been 
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+<span class="sourceLineNo">210</span><a name="line.210"></a>
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true);<a name="line.214"></a>
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name="line.220"></a>
+<span class="sourceLineNo">221</span>      LOG.error("Cleaning up uncompleted 
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+ " failed due to " + e1.getMessage() + ".");<a name="line.222"></a>
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&lt;backup-root-dir&gt;/WALs/&lt;backup-id&gt;<a name="line.313"></a>
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manifest.setIncrTimestampMap(backupInfo.getIncrTimestampMap());<a 
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manifest.addDependentImage(image);<a name="line.321"></a>
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backupManager.updateBackupInfo(backupInfo);<a name="line.406"></a>
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backupInfo.setCompleteTs(EnvironmentEdgeManager.currentTime());<a 
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backupInfo.setState(BackupState.COMPLETE);<a name="line.375"></a>
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backupManager.updateBackupInfo(backupInfo);<a name="line.400"></a>
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backupManager.finishBackupSession();<a name="line.403"></a>
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backupInfo.getBackupId() + " completed.");<a name="line.405"></a>
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+<span class="sourceLineNo">431</span>}<a name="line.431"></a>

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