http://git-wip-us.apache.org/repos/asf/hbase-site/blob/8e0a5167/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 d6d06f8..4e40739 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 @@ -48,347 +48,433 @@ <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<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">045</span><a name="line.45"></a> -<span class="sourceLineNo">046</span>/**<a name="line.46"></a> -<span class="sourceLineNo">047</span> * Base class for backup operation. Concrete implementation for<a name="line.47"></a> -<span class="sourceLineNo">048</span> * full and incremental backup are delegated to corresponding sub-classes:<a name="line.48"></a> -<span class="sourceLineNo">049</span> * {@link FullTableBackupClient} and {@link IncrementalTableBackupClient}<a name="line.49"></a> -<span class="sourceLineNo">050</span> *<a name="line.50"></a> -<span class="sourceLineNo">051</span> */<a name="line.51"></a> -<span class="sourceLineNo">052</span>@InterfaceAudience.Private<a name="line.52"></a> -<span class="sourceLineNo">053</span>public abstract class TableBackupClient {<a name="line.53"></a> -<span class="sourceLineNo">054</span> private static final Log LOG = LogFactory.getLog(TableBackupClient.class);<a name="line.54"></a> +<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.client.SnapshotDescription;<a name="line.43"></a> +<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.44"></a> +<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.util.FSUtils;<a name="line.45"></a> +<span class="sourceLineNo">046</span><a name="line.46"></a> +<span class="sourceLineNo">047</span>/**<a name="line.47"></a> +<span class="sourceLineNo">048</span> * Base class for backup operation. Concrete implementation for<a name="line.48"></a> +<span class="sourceLineNo">049</span> * full and incremental backup are delegated to corresponding sub-classes:<a name="line.49"></a> +<span class="sourceLineNo">050</span> * {@link FullTableBackupClient} and {@link IncrementalTableBackupClient}<a name="line.50"></a> +<span class="sourceLineNo">051</span> *<a name="line.51"></a> +<span class="sourceLineNo">052</span> */<a name="line.52"></a> +<span class="sourceLineNo">053</span>@InterfaceAudience.Private<a name="line.53"></a> +<span class="sourceLineNo">054</span>public abstract class TableBackupClient {<a name="line.54"></a> <span class="sourceLineNo">055</span><a name="line.55"></a> -<span class="sourceLineNo">056</span> protected Configuration conf;<a name="line.56"></a> -<span class="sourceLineNo">057</span> protected Connection conn;<a name="line.57"></a> -<span class="sourceLineNo">058</span> protected String backupId;<a name="line.58"></a> -<span class="sourceLineNo">059</span> protected List<TableName> tableList;<a name="line.59"></a> -<span class="sourceLineNo">060</span> protected HashMap<String, Long> newTimestamps = null;<a name="line.60"></a> -<span class="sourceLineNo">061</span><a name="line.61"></a> -<span class="sourceLineNo">062</span> protected BackupManager backupManager;<a name="line.62"></a> -<span class="sourceLineNo">063</span> protected BackupInfo backupInfo;<a name="line.63"></a> -<span class="sourceLineNo">064</span><a name="line.64"></a> -<span class="sourceLineNo">065</span> public TableBackupClient(final Connection conn, final String backupId, BackupRequest request)<a name="line.65"></a> -<span class="sourceLineNo">066</span> throws IOException {<a name="line.66"></a> -<span class="sourceLineNo">067</span> if (request.getBackupType() == BackupType.FULL) {<a name="line.67"></a> -<span class="sourceLineNo">068</span> backupManager = new BackupManager(conn, conn.getConfiguration());<a name="line.68"></a> -<span class="sourceLineNo">069</span> } else {<a name="line.69"></a> -<span class="sourceLineNo">070</span> backupManager = new IncrementalBackupManager(conn, conn.getConfiguration());<a name="line.70"></a> -<span class="sourceLineNo">071</span> }<a name="line.71"></a> -<span class="sourceLineNo">072</span> this.backupId = backupId;<a name="line.72"></a> -<span class="sourceLineNo">073</span> this.tableList = request.getTableList();<a name="line.73"></a> -<span class="sourceLineNo">074</span> this.conn = conn;<a name="line.74"></a> -<span class="sourceLineNo">075</span> this.conf = conn.getConfiguration();<a name="line.75"></a> -<span class="sourceLineNo">076</span> backupInfo =<a name="line.76"></a> -<span class="sourceLineNo">077</span> backupManager.createBackupInfo(backupId, request.getBackupType(), tableList,<a name="line.77"></a> -<span class="sourceLineNo">078</span> request.getTargetRootDir(), request.getTotalTasks(), request.getBandwidth());<a name="line.78"></a> -<span class="sourceLineNo">079</span> if (tableList == null || tableList.isEmpty()) {<a name="line.79"></a> -<span class="sourceLineNo">080</span> this.tableList = new ArrayList<>(backupInfo.getTables());<a name="line.80"></a> -<span class="sourceLineNo">081</span> }<a name="line.81"></a> -<span class="sourceLineNo">082</span> }<a name="line.82"></a> -<span class="sourceLineNo">083</span><a name="line.83"></a> -<span class="sourceLineNo">084</span> /**<a name="line.84"></a> -<span class="sourceLineNo">085</span> * Begin the overall backup.<a name="line.85"></a> -<span class="sourceLineNo">086</span> * @param backupInfo backup info<a name="line.86"></a> -<span class="sourceLineNo">087</span> * @throws IOException exception<a name="line.87"></a> -<span class="sourceLineNo">088</span> */<a name="line.88"></a> -<span class="sourceLineNo">089</span> protected void beginBackup(BackupManager backupManager, BackupInfo backupInfo)<a name="line.89"></a> -<span class="sourceLineNo">090</span> throws IOException {<a name="line.90"></a> -<span class="sourceLineNo">091</span> backupManager.setBackupInfo(backupInfo);<a name="line.91"></a> -<span class="sourceLineNo">092</span> // set the start timestamp of the overall backup<a name="line.92"></a> -<span class="sourceLineNo">093</span> long startTs = EnvironmentEdgeManager.currentTime();<a name="line.93"></a> -<span class="sourceLineNo">094</span> backupInfo.setStartTs(startTs);<a name="line.94"></a> -<span class="sourceLineNo">095</span> // set overall backup status: ongoing<a name="line.95"></a> -<span class="sourceLineNo">096</span> backupInfo.setState(BackupState.RUNNING);<a name="line.96"></a> -<span class="sourceLineNo">097</span> backupInfo.setPhase(BackupPhase.REQUEST);<a name="line.97"></a> -<span class="sourceLineNo">098</span> LOG.info("Backup " + backupInfo.getBackupId() + " started at " + startTs + ".");<a name="line.98"></a> -<span class="sourceLineNo">099</span><a name="line.99"></a> -<span class="sourceLineNo">100</span> backupManager.updateBackupInfo(backupInfo);<a name="line.100"></a> -<span class="sourceLineNo">101</span> if (LOG.isDebugEnabled()) {<a name="line.101"></a> -<span class="sourceLineNo">102</span> LOG.debug("Backup session " + backupInfo.getBackupId() + " has been started.");<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> private String getMessage(Exception e) {<a name="line.106"></a> -<span class="sourceLineNo">107</span> String msg = e.getMessage();<a name="line.107"></a> -<span class="sourceLineNo">108</span> if (msg == null || msg.equals("")) {<a name="line.108"></a> -<span class="sourceLineNo">109</span> msg = e.getClass().getName();<a name="line.109"></a> -<span class="sourceLineNo">110</span> }<a name="line.110"></a> -<span class="sourceLineNo">111</span> return msg;<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> /**<a name="line.114"></a> -<span class="sourceLineNo">115</span> * Delete HBase snapshot for backup.<a name="line.115"></a> -<span class="sourceLineNo">116</span> * @param backupInfo backup info<a name="line.116"></a> -<span class="sourceLineNo">117</span> * @throws Exception exception<a name="line.117"></a> -<span class="sourceLineNo">118</span> */<a name="line.118"></a> -<span class="sourceLineNo">119</span> private void deleteSnapshot(final Connection conn, BackupInfo backupInfo, Configuration conf)<a name="line.119"></a> -<span class="sourceLineNo">120</span> throws IOException {<a name="line.120"></a> -<span class="sourceLineNo">121</span> LOG.debug("Trying to delete snapshot for full backup.");<a name="line.121"></a> -<span class="sourceLineNo">122</span> for (String snapshotName : backupInfo.getSnapshotNames()) {<a name="line.122"></a> -<span class="sourceLineNo">123</span> if (snapshotName == null) {<a name="line.123"></a> -<span class="sourceLineNo">124</span> continue;<a name="line.124"></a> -<span class="sourceLineNo">125</span> }<a name="line.125"></a> -<span class="sourceLineNo">126</span> LOG.debug("Trying to delete snapshot: " + snapshotName);<a name="line.126"></a> -<span class="sourceLineNo">127</span><a name="line.127"></a> -<span class="sourceLineNo">128</span> try (Admin admin = conn.getAdmin();) {<a name="line.128"></a> -<span class="sourceLineNo">129</span> admin.deleteSnapshot(snapshotName);<a name="line.129"></a> -<span class="sourceLineNo">130</span> } catch (IOException ioe) {<a name="line.130"></a> -<span class="sourceLineNo">131</span> LOG.debug("when deleting snapshot " + snapshotName, ioe);<a name="line.131"></a> -<span class="sourceLineNo">132</span> }<a name="line.132"></a> -<span class="sourceLineNo">133</span> LOG.debug("Deleting the snapshot " + snapshotName + " for backup " + backupInfo.getBackupId()<a name="line.133"></a> -<span class="sourceLineNo">134</span> + " succeeded.");<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> /**<a name="line.138"></a> -<span class="sourceLineNo">139</span> * Clean up directories with prefix "exportSnapshot-", which are generated when exporting<a name="line.139"></a> -<span class="sourceLineNo">140</span> * snapshots.<a name="line.140"></a> -<span class="sourceLineNo">141</span> * @throws IOException exception<a name="line.141"></a> -<span class="sourceLineNo">142</span> */<a name="line.142"></a> -<span class="sourceLineNo">143</span> private void cleanupExportSnapshotLog(Configuration conf) throws IOException {<a name="line.143"></a> -<span class="sourceLineNo">144</span> FileSystem fs = FSUtils.getCurrentFileSystem(conf);<a name="line.144"></a> -<span class="sourceLineNo">145</span> Path stagingDir =<a name="line.145"></a> -<span class="sourceLineNo">146</span> new Path(conf.get(BackupRestoreConstants.CONF_STAGING_ROOT, fs.getWorkingDirectory()<a name="line.146"></a> -<span class="sourceLineNo">147</span> .toString()));<a name="line.147"></a> -<span class="sourceLineNo">148</span> FileStatus[] files = FSUtils.listStatus(fs, stagingDir);<a name="line.148"></a> -<span class="sourceLineNo">149</span> if (files == null) {<a name="line.149"></a> -<span class="sourceLineNo">150</span> return;<a name="line.150"></a> -<span class="sourceLineNo">151</span> }<a name="line.151"></a> -<span class="sourceLineNo">152</span> for (FileStatus file : files) {<a name="line.152"></a> -<span class="sourceLineNo">153</span> if (file.getPath().getName().startsWith("exportSnapshot-")) {<a name="line.153"></a> -<span class="sourceLineNo">154</span> LOG.debug("Delete log files of exporting snapshot: " + file.getPath().getName());<a name="line.154"></a> -<span class="sourceLineNo">155</span> if (FSUtils.delete(fs, file.getPath(), true) == false) {<a name="line.155"></a> -<span class="sourceLineNo">156</span> LOG.warn("Can not delete " + file.getPath());<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> }<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> * Clean up the uncompleted data at target directory if the ongoing backup has already entered<a name="line.163"></a> -<span class="sourceLineNo">164</span> * the copy phase.<a name="line.164"></a> -<span class="sourceLineNo">165</span> */<a name="line.165"></a> -<span class="sourceLineNo">166</span> private void cleanupTargetDir(BackupInfo backupInfo, Configuration conf) {<a name="line.166"></a> -<span class="sourceLineNo">167</span> try {<a name="line.167"></a> -<span class="sourceLineNo">168</span> // clean up the uncompleted data at target directory if the ongoing backup has already entered<a name="line.168"></a> -<span class="sourceLineNo">169</span> // the copy phase<a name="line.169"></a> -<span class="sourceLineNo">170</span> LOG.debug("Trying to cleanup up target dir. Current backup phase: "<a name="line.170"></a> -<span class="sourceLineNo">171</span> + backupInfo.getPhase());<a name="line.171"></a> -<span class="sourceLineNo">172</span> if (backupInfo.getPhase().equals(BackupPhase.SNAPSHOTCOPY)<a name="line.172"></a> -<span class="sourceLineNo">173</span> || backupInfo.getPhase().equals(BackupPhase.INCREMENTAL_COPY)<a name="line.173"></a> -<span class="sourceLineNo">174</span> || backupInfo.getPhase().equals(BackupPhase.STORE_MANIFEST)) {<a name="line.174"></a> -<span class="sourceLineNo">175</span> FileSystem outputFs =<a name="line.175"></a> -<span class="sourceLineNo">176</span> FileSystem.get(new Path(backupInfo.getBackupRootDir()).toUri(), conf);<a name="line.176"></a> -<span class="sourceLineNo">177</span><a name="line.177"></a> -<span class="sourceLineNo">178</span> // now treat one backup as a transaction, clean up data that has been partially copied at<a name="line.178"></a> -<span class="sourceLineNo">179</span> // table level<a name="line.179"></a> -<span class="sourceLineNo">180</span> for (TableName table : backupInfo.getTables()) {<a name="line.180"></a> -<span class="sourceLineNo">181</span> Path targetDirPath =<a name="line.181"></a> -<span class="sourceLineNo">182</span> new Path(HBackupFileSystem.getTableBackupDir(backupInfo.getBackupRootDir(),<a name="line.182"></a> -<span class="sourceLineNo">183</span> backupInfo.getBackupId(), table));<a name="line.183"></a> -<span class="sourceLineNo">184</span> if (outputFs.delete(targetDirPath, true)) {<a name="line.184"></a> -<span class="sourceLineNo">185</span> LOG.info("Cleaning up uncompleted backup data at " + targetDirPath.toString()<a name="line.185"></a> -<span class="sourceLineNo">186</span> + " done.");<a name="line.186"></a> -<span class="sourceLineNo">187</span> } else {<a name="line.187"></a> -<span class="sourceLineNo">188</span> LOG.info("No data has been copied to " + targetDirPath.toString() + ".");<a name="line.188"></a> -<span class="sourceLineNo">189</span> }<a name="line.189"></a> -<span class="sourceLineNo">190</span><a name="line.190"></a> -<span class="sourceLineNo">191</span> Path tableDir = targetDirPath.getParent();<a name="line.191"></a> -<span class="sourceLineNo">192</span> FileStatus[] backups = FSUtils.listStatus(outputFs, tableDir);<a name="line.192"></a> -<span class="sourceLineNo">193</span> if (backups == null || backups.length == 0) {<a name="line.193"></a> -<span class="sourceLineNo">194</span> outputFs.delete(tableDir, true);<a name="line.194"></a> -<span class="sourceLineNo">195</span> LOG.debug(tableDir.toString() + " is empty, remove it.");<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> }<a name="line.198"></a> -<span class="sourceLineNo">199</span><a name="line.199"></a> -<span class="sourceLineNo">200</span> } catch (IOException e1) {<a name="line.200"></a> -<span class="sourceLineNo">201</span> LOG.error("Cleaning up uncompleted backup data of " + backupInfo.getBackupId() + " at "<a name="line.201"></a> -<span class="sourceLineNo">202</span> + backupInfo.getBackupRootDir() + " failed due to " + e1.getMessage() + ".");<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">056</span> public static final String BACKUP_CLIENT_IMPL_CLASS = "backup.client.impl.class";<a name="line.56"></a> +<span class="sourceLineNo">057</span><a name="line.57"></a> +<span class="sourceLineNo">058</span> private static final Log LOG = LogFactory.getLog(TableBackupClient.class);<a name="line.58"></a> +<span class="sourceLineNo">059</span><a name="line.59"></a> +<span class="sourceLineNo">060</span> protected Configuration conf;<a name="line.60"></a> +<span class="sourceLineNo">061</span> protected Connection conn;<a name="line.61"></a> +<span class="sourceLineNo">062</span> protected String backupId;<a name="line.62"></a> +<span class="sourceLineNo">063</span> protected List<TableName> tableList;<a name="line.63"></a> +<span class="sourceLineNo">064</span> protected HashMap<String, Long> newTimestamps = null;<a name="line.64"></a> +<span class="sourceLineNo">065</span><a name="line.65"></a> +<span class="sourceLineNo">066</span> protected BackupManager backupManager;<a name="line.66"></a> +<span class="sourceLineNo">067</span> protected BackupInfo backupInfo;<a name="line.67"></a> +<span class="sourceLineNo">068</span><a name="line.68"></a> +<span class="sourceLineNo">069</span> public TableBackupClient() {<a name="line.69"></a> +<span class="sourceLineNo">070</span> }<a name="line.70"></a> +<span class="sourceLineNo">071</span><a name="line.71"></a> +<span class="sourceLineNo">072</span> public TableBackupClient(final Connection conn, final String backupId, BackupRequest request)<a name="line.72"></a> +<span class="sourceLineNo">073</span> throws IOException {<a name="line.73"></a> +<span class="sourceLineNo">074</span> init(conn, backupId, request);<a name="line.74"></a> +<span class="sourceLineNo">075</span> }<a name="line.75"></a> +<span class="sourceLineNo">076</span><a name="line.76"></a> +<span class="sourceLineNo">077</span> public void init(final Connection conn, final String backupId, BackupRequest request)<a name="line.77"></a> +<span class="sourceLineNo">078</span> throws IOException<a name="line.78"></a> +<span class="sourceLineNo">079</span> {<a name="line.79"></a> +<span class="sourceLineNo">080</span> if (request.getBackupType() == BackupType.FULL) {<a name="line.80"></a> +<span class="sourceLineNo">081</span> backupManager = new BackupManager(conn, conn.getConfiguration());<a name="line.81"></a> +<span class="sourceLineNo">082</span> } else {<a name="line.82"></a> +<span class="sourceLineNo">083</span> backupManager = new IncrementalBackupManager(conn, conn.getConfiguration());<a name="line.83"></a> +<span class="sourceLineNo">084</span> }<a name="line.84"></a> +<span class="sourceLineNo">085</span> this.backupId = backupId;<a name="line.85"></a> +<span class="sourceLineNo">086</span> this.tableList = request.getTableList();<a name="line.86"></a> +<span class="sourceLineNo">087</span> this.conn = conn;<a name="line.87"></a> +<span class="sourceLineNo">088</span> this.conf = conn.getConfiguration();<a name="line.88"></a> +<span class="sourceLineNo">089</span> backupInfo =<a name="line.89"></a> +<span class="sourceLineNo">090</span> backupManager.createBackupInfo(backupId, request.getBackupType(), tableList,<a name="line.90"></a> +<span class="sourceLineNo">091</span> request.getTargetRootDir(), request.getTotalTasks(), request.getBandwidth());<a name="line.91"></a> +<span class="sourceLineNo">092</span> if (tableList == null || tableList.isEmpty()) {<a name="line.92"></a> +<span class="sourceLineNo">093</span> this.tableList = new ArrayList<>(backupInfo.getTables());<a name="line.93"></a> +<span class="sourceLineNo">094</span> }<a name="line.94"></a> +<span class="sourceLineNo">095</span> // Start new session<a name="line.95"></a> +<span class="sourceLineNo">096</span> backupManager.startBackupSession();<a name="line.96"></a> +<span class="sourceLineNo">097</span> }<a name="line.97"></a> +<span class="sourceLineNo">098</span><a name="line.98"></a> +<span class="sourceLineNo">099</span> /**<a name="line.99"></a> +<span class="sourceLineNo">100</span> * Begin the overall backup.<a name="line.100"></a> +<span class="sourceLineNo">101</span> * @param backupInfo backup info<a name="line.101"></a> +<span class="sourceLineNo">102</span> * @throws IOException exception<a name="line.102"></a> +<span class="sourceLineNo">103</span> */<a name="line.103"></a> +<span class="sourceLineNo">104</span> protected void beginBackup(BackupManager backupManager, BackupInfo backupInfo)<a name="line.104"></a> +<span class="sourceLineNo">105</span> throws IOException {<a name="line.105"></a> +<span class="sourceLineNo">106</span><a name="line.106"></a> +<span class="sourceLineNo">107</span> snapshotBackupTable();<a name="line.107"></a> +<span class="sourceLineNo">108</span> backupManager.setBackupInfo(backupInfo);<a name="line.108"></a> +<span class="sourceLineNo">109</span> // set the start timestamp of the overall backup<a name="line.109"></a> +<span class="sourceLineNo">110</span> long startTs = EnvironmentEdgeManager.currentTime();<a name="line.110"></a> +<span class="sourceLineNo">111</span> backupInfo.setStartTs(startTs);<a name="line.111"></a> +<span class="sourceLineNo">112</span> // set overall backup status: ongoing<a name="line.112"></a> +<span class="sourceLineNo">113</span> backupInfo.setState(BackupState.RUNNING);<a name="line.113"></a> +<span class="sourceLineNo">114</span> backupInfo.setPhase(BackupPhase.REQUEST);<a name="line.114"></a> +<span class="sourceLineNo">115</span> LOG.info("Backup " + backupInfo.getBackupId() + " started at " + startTs + ".");<a name="line.115"></a> +<span class="sourceLineNo">116</span><a name="line.116"></a> +<span class="sourceLineNo">117</span> backupManager.updateBackupInfo(backupInfo);<a name="line.117"></a> +<span class="sourceLineNo">118</span> if (LOG.isDebugEnabled()) {<a name="line.118"></a> +<span class="sourceLineNo">119</span> LOG.debug("Backup session " + backupInfo.getBackupId() + " has been started.");<a name="line.119"></a> +<span class="sourceLineNo">120</span> }<a name="line.120"></a> +<span class="sourceLineNo">121</span> }<a name="line.121"></a> +<span class="sourceLineNo">122</span><a name="line.122"></a> +<span class="sourceLineNo">123</span> protected String getMessage(Exception e) {<a name="line.123"></a> +<span class="sourceLineNo">124</span> String msg = e.getMessage();<a name="line.124"></a> +<span class="sourceLineNo">125</span> if (msg == null || msg.equals("")) {<a name="line.125"></a> +<span class="sourceLineNo">126</span> msg = e.getClass().getName();<a name="line.126"></a> +<span class="sourceLineNo">127</span> }<a name="line.127"></a> +<span class="sourceLineNo">128</span> return msg;<a name="line.128"></a> +<span class="sourceLineNo">129</span> }<a name="line.129"></a> +<span class="sourceLineNo">130</span><a name="line.130"></a> +<span class="sourceLineNo">131</span> /**<a name="line.131"></a> +<span class="sourceLineNo">132</span> * Delete HBase snapshot for backup.<a name="line.132"></a> +<span class="sourceLineNo">133</span> * @param backupInfo backup info<a name="line.133"></a> +<span class="sourceLineNo">134</span> * @throws Exception exception<a name="line.134"></a> +<span class="sourceLineNo">135</span> */<a name="line.135"></a> +<span class="sourceLineNo">136</span> protected static void deleteSnapshots(final Connection conn, BackupInfo backupInfo, Configuration conf)<a name="line.136"></a> +<span class="sourceLineNo">137</span> throws IOException {<a name="line.137"></a> +<span class="sourceLineNo">138</span> LOG.debug("Trying to delete snapshot for full backup.");<a name="line.138"></a> +<span class="sourceLineNo">139</span> for (String snapshotName : backupInfo.getSnapshotNames()) {<a name="line.139"></a> +<span class="sourceLineNo">140</span> if (snapshotName == null) {<a name="line.140"></a> +<span class="sourceLineNo">141</span> continue;<a name="line.141"></a> +<span class="sourceLineNo">142</span> }<a name="line.142"></a> +<span class="sourceLineNo">143</span> LOG.debug("Trying to delete snapshot: " + snapshotName);<a name="line.143"></a> +<span class="sourceLineNo">144</span><a name="line.144"></a> +<span class="sourceLineNo">145</span> try (Admin admin = conn.getAdmin();) {<a name="line.145"></a> +<span class="sourceLineNo">146</span> admin.deleteSnapshot(snapshotName);<a name="line.146"></a> +<span class="sourceLineNo">147</span> }<a name="line.147"></a> +<span 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class="sourceLineNo">180</span> */<a name="line.180"></a> +<span class="sourceLineNo">181</span> protected static void cleanupTargetDir(BackupInfo backupInfo, Configuration conf) {<a name="line.181"></a> +<span class="sourceLineNo">182</span> try {<a name="line.182"></a> +<span class="sourceLineNo">183</span> // clean up the uncompleted data at 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> LOG.debug("Trying to cleanup up target dir. 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name="line.194"></a> +<span class="sourceLineNo">195</span> for (TableName table : backupInfo.getTables()) {<a name="line.195"></a> +<span class="sourceLineNo">196</span> Path targetDirPath =<a name="line.196"></a> +<span class="sourceLineNo">197</span> new Path(HBackupFileSystem.getTableBackupDir(backupInfo.getBackupRootDir(),<a name="line.197"></a> +<span class="sourceLineNo">198</span> backupInfo.getBackupId(), table));<a name="line.198"></a> +<span class="sourceLineNo">199</span> if (outputFs.delete(targetDirPath, true)) {<a name="line.199"></a> +<span class="sourceLineNo">200</span> LOG.debug("Cleaning up uncompleted backup data at " + targetDirPath.toString()<a name="line.200"></a> +<span class="sourceLineNo">201</span> + " done.");<a name="line.201"></a> +<span class="sourceLineNo">202</span> } else {<a name="line.202"></a> +<span class="sourceLineNo">203</span> LOG.debug("No data has been copied to " + targetDirPath.toString() + ".");<a name="line.203"></a> +<span class="sourceLineNo">204</span> }<a name="line.204"></a> <span class="sourceLineNo">205</span><a name="line.205"></a> -<span class="sourceLineNo">206</span> /**<a name="line.206"></a> -<span class="sourceLineNo">207</span> * Fail the overall backup.<a name="line.207"></a> -<span class="sourceLineNo">208</span> * @param backupInfo backup info<a name="line.208"></a> -<span class="sourceLineNo">209</span> * @param e exception<a name="line.209"></a> -<span class="sourceLineNo">210</span> * @throws Exception exception<a name="line.210"></a> -<span class="sourceLineNo">211</span> */<a name="line.211"></a> -<span class="sourceLineNo">212</span> protected void failBackup(Connection conn, BackupInfo backupInfo, BackupManager backupManager,<a name="line.212"></a> -<span class="sourceLineNo">213</span> Exception e, String msg, BackupType type, Configuration conf) throws IOException {<a name="line.213"></a> -<span class="sourceLineNo">214</span> LOG.error(msg + getMessage(e), e);<a name="line.214"></a> -<span class="sourceLineNo">215</span> // If this is a cancel exception, then we've already cleaned.<a name="line.215"></a> -<span class="sourceLineNo">216</span><a name="line.216"></a> -<span class="sourceLineNo">217</span> // set the failure timestamp of the overall backup<a name="line.217"></a> -<span class="sourceLineNo">218</span> backupInfo.setCompleteTs(EnvironmentEdgeManager.currentTime());<a name="line.218"></a> -<span class="sourceLineNo">219</span><a name="line.219"></a> -<span class="sourceLineNo">220</span> // set failure message<a name="line.220"></a> -<span class="sourceLineNo">221</span> backupInfo.setFailedMsg(e.getMessage());<a name="line.221"></a> -<span class="sourceLineNo">222</span><a name="line.222"></a> -<span class="sourceLineNo">223</span> // set overall backup status: failed<a name="line.223"></a> -<span class="sourceLineNo">224</span> backupInfo.setState(BackupState.FAILED);<a name="line.224"></a> -<span class="sourceLineNo">225</span><a name="line.225"></a> -<span class="sourceLineNo">226</span> // compose the backup failed data<a name="line.226"></a> -<span class="sourceLineNo">227</span> String backupFailedData =<a name="line.227"></a> -<span class="sourceLineNo">228</span> "BackupId=" + backupInfo.getBackupId() + ",startts=" + backupInfo.getStartTs()<a name="line.228"></a> -<span class="sourceLineNo">229</span> + ",failedts=" + backupInfo.getCompleteTs() + ",failedphase=" + backupInfo.getPhase()<a name="line.229"></a> -<span class="sourceLineNo">230</span> + ",failedmessage=" + backupInfo.getFailedMsg();<a name="line.230"></a> -<span class="sourceLineNo">231</span> LOG.error(backupFailedData);<a name="line.231"></a> -<span class="sourceLineNo">232</span><a name="line.232"></a> -<span class="sourceLineNo">233</span> backupManager.updateBackupInfo(backupInfo);<a name="line.233"></a> -<span class="sourceLineNo">234</span><a name="line.234"></a> -<span class="sourceLineNo">235</span> // if full backup, then delete 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class="sourceLineNo">245</span> cleanupTargetDir(backupInfo, conf);<a name="line.245"></a> -<span class="sourceLineNo">246</span> LOG.info("Backup " + backupInfo.getBackupId() + " failed.");<a name="line.246"></a> -<span class="sourceLineNo">247</span> }<a name="line.247"></a> -<span class="sourceLineNo">248</span><a name="line.248"></a> -<span class="sourceLineNo">249</span> /**<a name="line.249"></a> -<span class="sourceLineNo">250</span> * Add manifest for the current backup. 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name="line.259"></a> -<span class="sourceLineNo">260</span> BackupManifest manifest;<a name="line.260"></a> -<span class="sourceLineNo">261</span><a name="line.261"></a> -<span class="sourceLineNo">262</span> // Since we have each table's backup in its own directory structure,<a name="line.262"></a> -<span class="sourceLineNo">263</span> // we'll store its manifest with the table directory.<a name="line.263"></a> -<span class="sourceLineNo">264</span> for (TableName table : backupInfo.getTables()) {<a name="line.264"></a> -<span class="sourceLineNo">265</span> manifest = new BackupManifest(backupInfo, table);<a name="line.265"></a> -<span class="sourceLineNo">266</span> ArrayList<BackupImage> ancestors = backupManager.getAncestors(backupInfo, table);<a name="line.266"></a> -<span class="sourceLineNo">267</span> for (BackupImage image : ancestors) {<a name="line.267"></a> -<span class="sourceLineNo">268</span> manifest.addDependentImage(image);<a name="line.268"></a> -<span class="sourceLineNo">269</span> }<a name="line.269"></a> -<span class="sourceLineNo">270</span><a name="line.270"></a> -<span class="sourceLineNo">271</span> if (type == BackupType.INCREMENTAL) {<a name="line.271"></a> -<span class="sourceLineNo">272</span> // We'll store the log timestamps for this table only in its manifest.<a name="line.272"></a> -<span class="sourceLineNo">273</span> HashMap<TableName, HashMap<String, Long>> tableTimestampMap =<a name="line.273"></a> -<span class="sourceLineNo">274</span> new HashMap<TableName, HashMap<String, Long>>();<a name="line.274"></a> -<span class="sourceLineNo">275</span> tableTimestampMap.put(table, backupInfo.getIncrTimestampMap().get(table));<a name="line.275"></a> -<span class="sourceLineNo">276</span> manifest.setIncrTimestampMap(tableTimestampMap);<a name="line.276"></a> -<span class="sourceLineNo">277</span> ArrayList<BackupImage> ancestorss = backupManager.getAncestors(backupInfo);<a name="line.277"></a> -<span class="sourceLineNo">278</span> for (BackupImage image : ancestorss) {<a name="line.278"></a> -<span class="sourceLineNo">279</span> manifest.addDependentImage(image);<a name="line.279"></a> -<span class="sourceLineNo">280</span> }<a name="line.280"></a> -<span class="sourceLineNo">281</span> }<a name="line.281"></a> -<span class="sourceLineNo">282</span> manifest.store(conf);<a name="line.282"></a> -<span class="sourceLineNo">283</span> }<a name="line.283"></a> -<span class="sourceLineNo">284</span><a name="line.284"></a> -<span class="sourceLineNo">285</span> // For incremental backup, we store a overall manifest in<a name="line.285"></a> -<span class="sourceLineNo">286</span> // <backup-root-dir>/WALs/<backup-id><a name="line.286"></a> -<span class="sourceLineNo">287</span> // This is used when created the next incremental backup<a name="line.287"></a> -<span class="sourceLineNo">288</span> if (type == BackupType.INCREMENTAL) {<a name="line.288"></a> -<span 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class="sourceLineNo">299</span><a name="line.299"></a> -<span class="sourceLineNo">300</span> /**<a name="line.300"></a> -<span class="sourceLineNo">301</span> * Get backup request meta data dir as string.<a name="line.301"></a> -<span class="sourceLineNo">302</span> * @param backupInfo backup info<a name="line.302"></a> -<span class="sourceLineNo">303</span> * @return meta data dir<a name="line.303"></a> -<span class="sourceLineNo">304</span> */<a name="line.304"></a> -<span class="sourceLineNo">305</span> private String obtainBackupMetaDataStr(BackupInfo backupInfo) {<a name="line.305"></a> -<span class="sourceLineNo">306</span> StringBuffer sb = new StringBuffer();<a name="line.306"></a> -<span class="sourceLineNo">307</span> sb.append("type=" + backupInfo.getType() + ",tablelist=");<a name="line.307"></a> -<span class="sourceLineNo">308</span> for (TableName table : backupInfo.getTables()) {<a name="line.308"></a> -<span class="sourceLineNo">309</span> sb.append(table + ";");<a name="line.309"></a> -<span class="sourceLineNo">310</span> }<a name="line.310"></a> -<span class="sourceLineNo">311</span> if (sb.lastIndexOf(";") > 0) {<a name="line.311"></a> -<span class="sourceLineNo">312</span> sb.delete(sb.lastIndexOf(";"), sb.lastIndexOf(";") + 1);<a name="line.312"></a> -<span class="sourceLineNo">313</span> }<a name="line.313"></a> -<span class="sourceLineNo">314</span> sb.append(",targetRootDir=" + backupInfo.getBackupRootDir());<a name="line.314"></a> +<span class="sourceLineNo">206</span> Path tableDir = targetDirPath.getParent();<a name="line.206"></a> +<span class="sourceLineNo">207</span> FileStatus[] backups = FSUtils.listStatus(outputFs, tableDir);<a name="line.207"></a> +<span class="sourceLineNo">208</span> if (backups == null || backups.length == 0) {<a name="line.208"></a> +<span class="sourceLineNo">209</span> outputFs.delete(tableDir, true);<a name="line.209"></a> +<span class="sourceLineNo">210</span> LOG.debug(tableDir.toString() + " is empty, remove it.");<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><a name="line.214"></a> +<span class="sourceLineNo">215</span> } catch (IOException e1) {<a name="line.215"></a> +<span class="sourceLineNo">216</span> LOG.error("Cleaning up uncompleted backup data of " + backupInfo.getBackupId() + " at "<a name="line.216"></a> +<span class="sourceLineNo">217</span> + backupInfo.getBackupRootDir() + " failed due to " + e1.getMessage() + ".");<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> /**<a name="line.221"></a> +<span class="sourceLineNo">222</span> * Fail the overall backup.<a name="line.222"></a> +<span class="sourceLineNo">223</span> * @param backupInfo backup info<a name="line.223"></a> +<span class="sourceLineNo">224</span> * @param e exception<a name="line.224"></a> +<span class="sourceLineNo">225</span> * @throws Exception exception<a name="line.225"></a> +<span class="sourceLineNo">226</span> */<a name="line.226"></a> +<span class="sourceLineNo">227</span> protected void failBackup(Connection conn, BackupInfo backupInfo, BackupManager backupManager,<a name="line.227"></a> +<span class="sourceLineNo">228</span> Exception e, String msg, BackupType type, Configuration conf) throws IOException {<a name="line.228"></a> +<span class="sourceLineNo">229</span><a name="line.229"></a> +<span class="sourceLineNo">230</span> try {<a name="line.230"></a> +<span class="sourceLineNo">231</span> LOG.error(msg + getMessage(e), e);<a name="line.231"></a> +<span class="sourceLineNo">232</span> // If this is a cancel exception, then we've already cleaned.<a name="line.232"></a> +<span class="sourceLineNo">233</span> // set the failure timestamp of the overall backup<a name="line.233"></a> +<span class="sourceLineNo">234</span> backupInfo.setCompleteTs(EnvironmentEdgeManager.currentTime());<a name="line.234"></a> +<span class="sourceLineNo">235</span> // set failure message<a name="line.235"></a> +<span class="sourceLineNo">236</span> backupInfo.setFailedMsg(e.getMessage());<a name="line.236"></a> +<span class="sourceLineNo">237</span> // set overall backup status: failed<a name="line.237"></a> +<span class="sourceLineNo">238</span> backupInfo.setState(BackupState.FAILED);<a name="line.238"></a> +<span class="sourceLineNo">239</span> // compose the backup failed data<a name="line.239"></a> +<span class="sourceLineNo">240</span> String backupFailedData =<a name="line.240"></a> +<span class="sourceLineNo">241</span> "BackupId=" + backupInfo.getBackupId() + ",startts=" + backupInfo.getStartTs()<a name="line.241"></a> +<span class="sourceLineNo">242</span> + ",failedts=" + backupInfo.getCompleteTs() + ",failedphase=" + backupInfo.getPhase()<a name="line.242"></a> +<span class="sourceLineNo">243</span> + ",failedmessage=" + backupInfo.getFailedMsg();<a name="line.243"></a> +<span class="sourceLineNo">244</span> LOG.error(backupFailedData);<a name="line.244"></a> +<span class="sourceLineNo">245</span> cleanupAndRestoreBackupSystem(conn, backupInfo, conf);<a name="line.245"></a> +<span class="sourceLineNo">246</span> // If backup session is updated to FAILED state - means we<a name="line.246"></a> +<span class="sourceLineNo">247</span> // processed recovery already.<a name="line.247"></a> +<span class="sourceLineNo">248</span> backupManager.updateBackupInfo(backupInfo);<a name="line.248"></a> +<span class="sourceLineNo">249</span> backupManager.finishBackupSession();<a name="line.249"></a> +<span class="sourceLineNo">250</span> LOG.error("Backup " + backupInfo.getBackupId() + " failed.");<a name="line.250"></a> +<span class="sourceLineNo">251</span> } catch (IOException ee) {<a name="line.251"></a> +<span class="sourceLineNo">252</span> LOG.error("Please run backup repair tool manually to restore backup system integrity");<a name="line.252"></a> +<span class="sourceLineNo">253</span> throw ee;<a name="line.253"></a> +<span class="sourceLineNo">254</span> }<a name="line.254"></a> +<span class="sourceLineNo">255</span> }<a name="line.255"></a> +<span class="sourceLineNo">256</span><a name="line.256"></a> +<span class="sourceLineNo">257</span> public static void cleanupAndRestoreBackupSystem (Connection conn, BackupInfo backupInfo,<a name="line.257"></a> +<span class="sourceLineNo">258</span> Configuration conf) throws IOException<a name="line.258"></a> +<span class="sourceLineNo">259</span> {<a name="line.259"></a> +<span class="sourceLineNo">260</span> BackupType type = backupInfo.getType();<a name="line.260"></a> +<span class="sourceLineNo">261</span> // if full backup, then delete HBase snapshots if there already are snapshots taken<a name="line.261"></a> +<span class="sourceLineNo">262</span> // and also clean up export snapshot log files if exist<a name="line.262"></a> +<span class="sourceLineNo">263</span> if (type == BackupType.FULL) {<a name="line.263"></a> +<span class="sourceLineNo">264</span> deleteSnapshots(conn, backupInfo, conf);<a name="line.264"></a> +<span class="sourceLineNo">265</span> cleanupExportSnapshotLog(conf);<a name="line.265"></a> +<span class="sourceLineNo">266</span> }<a name="line.266"></a> +<span class="sourceLineNo">267</span> restoreBackupTable(conn, conf);<a name="line.267"></a> +<span class="sourceLineNo">268</span> deleteBackupTableSnapshot(conn, conf);<a name="line.268"></a> +<span class="sourceLineNo">269</span> // clean up the uncompleted data at target directory if the ongoing backup has already entered<a name="line.269"></a> +<span class="sourceLineNo">270</span> // the copy phase<a name="line.270"></a> +<span class="sourceLineNo">271</span> // For incremental backup, DistCp logs will be cleaned with the targetDir.<a name="line.271"></a> +<span class="sourceLineNo">272</span> cleanupTargetDir(backupInfo, conf);<a name="line.272"></a> +<span class="sourceLineNo">273</span> }<a name="line.273"></a> +<span class="sourceLineNo">274</span><a name="line.274"></a> +<span class="sourceLineNo">275</span> protected void snapshotBackupTable() throws IOException {<a name="line.275"></a> +<span class="sourceLineNo">276</span><a name="line.276"></a> +<span class="sourceLineNo">277</span> try (Admin admin = conn.getAdmin();){<a name="line.277"></a> +<span class="sourceLineNo">278</span> admin.snapshot(BackupSystemTable.getSnapshotName(conf),<a name="line.278"></a> +<span class="sourceLineNo">279</span> BackupSystemTable.getTableName(conf));<a name="line.279"></a> +<span class="sourceLineNo">280</span> }<a name="line.280"></a> +<span class="sourceLineNo">281</span> }<a name="line.281"></a> +<span class="sourceLineNo">282</span><a name="line.282"></a> +<span class="sourceLineNo">283</span> protected static void restoreBackupTable(Connection conn, Configuration conf)<a name="line.283"></a> +<span class="sourceLineNo">284</span> throws IOException {<a name="line.284"></a> +<span class="sourceLineNo">285</span><a name="line.285"></a> +<span class="sourceLineNo">286</span> LOG.debug("Restoring " + BackupSystemTable.getTableNameAsString(conf) +<a name="line.286"></a> +<span class="sourceLineNo">287</span> " from snapshot");<a name="line.287"></a> +<span class="sourceLineNo">288</span> try (Admin admin = conn.getAdmin();) {<a name="line.288"></a> +<span class="sourceLineNo">289</span> String snapshotName = BackupSystemTable.getSnapshotName(conf);<a name="line.289"></a> +<span class="sourceLineNo">290</span> if (snapshotExists(admin, snapshotName)) {<a name="line.290"></a> +<span class="sourceLineNo">291</span> admin.disableTable(BackupSystemTable.getTableName(conf));<a name="line.291"></a> +<span class="sourceLineNo">292</span> admin.restoreSnapshot(snapshotName);<a name="line.292"></a> +<span class="sourceLineNo">293</span> admin.enableTable(BackupSystemTable.getTableName(conf));<a name="line.293"></a> +<span class="sourceLineNo">294</span> LOG.debug("Done restoring backup system table");<a name="line.294"></a> +<span class="sourceLineNo">295</span> } else {<a name="line.295"></a> +<span class="sourceLineNo">296</span> // Snapshot does not exists, i.e completeBackup failed after<a name="line.296"></a> +<span class="sourceLineNo">297</span> // deleting backup system table snapshot<a name="line.297"></a> +<span class="sourceLineNo">298</span> // In this case we log WARN and proceed<a name="line.298"></a> +<span class="sourceLineNo">299</span> LOG.error("Could not restore backup system table. 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name="line.323"></a> -<span class="sourceLineNo">324</span> private void cleanupDistCpLog(BackupInfo backupInfo, Configuration conf) throws IOException {<a name="line.324"></a> -<span class="sourceLineNo">325</span> Path rootPath = new Path(backupInfo.getHLogTargetDir()).getParent();<a name="line.325"></a> -<span class="sourceLineNo">326</span> FileSystem fs = FileSystem.get(rootPath.toUri(), conf);<a name="line.326"></a> -<span class="sourceLineNo">327</span> FileStatus[] files = FSUtils.listStatus(fs, rootPath);<a name="line.327"></a> -<span class="sourceLineNo">328</span> if (files == null) {<a name="line.328"></a> -<span class="sourceLineNo">329</span> return;<a name="line.329"></a> -<span class="sourceLineNo">330</span> }<a name="line.330"></a> -<span class="sourceLineNo">331</span> for (FileStatus file : files) {<a name="line.331"></a> -<span class="sourceLineNo">332</span> if (file.getPath().getName().startsWith("_distcp_logs")) {<a name="line.332"></a> -<span class="sourceLineNo">333</span> LOG.debug("Delete log files of DistCp: " + file.getPath().getName());<a name="line.333"></a> -<span class="sourceLineNo">334</span> FSUtils.delete(fs, file.getPath(), true);<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><a name="line.338"></a> -<span class="sourceLineNo">339</span> /**<a name="line.339"></a> -<span class="sourceLineNo">340</span> * Complete the overall backup.<a name="line.340"></a> -<span class="sourceLineNo">341</span> * @param backupInfo backup info<a name="line.341"></a> -<span class="sourceLineNo">342</span> * @throws Exception exception<a name="line.342"></a> -<span class="sourceLineNo">343</span> */<a name="line.343"></a> -<span class="sourceLineNo">344</span> protected void completeBackup(final Connection conn, BackupInfo backupInfo,<a name="line.344"></a> -<span class="sourceLineNo">345</span> BackupManager backupManager, BackupType type, Configuration conf) throws IOException {<a name="line.345"></a> -<span class="sourceLineNo">346</span> // set the complete timestamp of the overall backup<a name="line.346"></a> -<span class="sourceLineNo">347</span> backupInfo.setCompleteTs(EnvironmentEdgeManager.currentTime());<a name="line.347"></a> -<span class="sourceLineNo">348</span> // set overall backup status: complete<a name="line.348"></a> -<span class="sourceLineNo">349</span> backupInfo.setState(BackupState.COMPLETE);<a name="line.349"></a> -<span class="sourceLineNo">350</span> backupInfo.setProgress(100);<a name="line.350"></a> -<span class="sourceLineNo">351</span> // add and store the manifest for the backup<a name="line.351"></a> -<span class="sourceLineNo">352</span> addManifest(backupInfo, backupManager, type, conf);<a name="line.352"></a> -<span class="sourceLineNo">353</span><a name="line.353"></a> -<span class="sourceLineNo">354</span> // compose the backup complete data<a name="line.354"></a> -<span class="sourceLineNo">355</span> String backupCompleteData =<a name="line.355"></a> -<span class="sourceLineNo">356</span> obtainBackupMetaDataStr(backupInfo) + ",startts=" + backupInfo.getStartTs()<a name="line.356"></a> -<span class="sourceLineNo">357</span> + ",completets=" + backupInfo.getCompleteTs() + ",bytescopied="<a name="line.357"></a> -<span class="sourceLineNo">358</span> + backupInfo.getTotalBytesCopied();<a name="line.358"></a> -<span class="sourceLineNo">359</span> if (LOG.isDebugEnabled()) {<a name="line.359"></a> -<span class="sourceLineNo">360</span> LOG.debug("Backup " + backupInfo.getBackupId() + " finished: " + backupCompleteData);<a name="line.360"></a> -<span class="sourceLineNo">361</span> }<a name="line.361"></a> -<span class="sourceLineNo">362</span> backupManager.updateBackupInfo(backupInfo);<a name="line.362"></a> -<span class="sourceLineNo">363</span><a name="line.363"></a> -<span class="sourceLineNo">364</span> // when full backup is done:<a name="line.364"></a> -<span class="sourceLineNo">365</span> // - delete HBase snapshot<a name="line.365"></a> -<span class="sourceLineNo">366</span> // - clean up directories with prefix "exportSnapshot-", which are generated when exporting<a name="line.366"></a> -<span class="sourceLineNo">367</span> // snapshots<a name="line.367"></a> -<span class="sourceLineNo">368</span> if (type == BackupType.FULL) {<a name="line.368"></a> -<span class="sourceLineNo">369</span> deleteSnapshot(conn, backupInfo, conf);<a name="line.369"></a> -<span class="sourceLineNo">370</span> cleanupExportSnapshotLog(conf);<a name="line.370"></a> -<span class="sourceLineNo">371</span> } else if (type == BackupType.INCREMENTAL) {<a name="line.371"></a> -<span class="sourceLineNo">372</span> cleanupDistCpLog(backupInfo, conf);<a name="line.372"></a> -<span class="sourceLineNo">373</span> }<a 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throws IOException {<a name="line.317"></a> +<span class="sourceLineNo">318</span> LOG.debug("Deleting " + BackupSystemTable.getSnapshotName(conf) +<a name="line.318"></a> +<span class="sourceLineNo">319</span> " from the system");<a name="line.319"></a> +<span class="sourceLineNo">320</span> try (Admin admin = conn.getAdmin();) {<a name="line.320"></a> +<span class="sourceLineNo">321</span> String snapshotName = BackupSystemTable.getSnapshotName(conf);<a name="line.321"></a> +<span class="sourceLineNo">322</span> if (snapshotExists(admin, snapshotName)) {<a name="line.322"></a> +<span class="sourceLineNo">323</span> admin.deleteSnapshot(snapshotName);<a name="line.323"></a> +<span class="sourceLineNo">324</span> LOG.debug("Done deleting backup system table snapshot");<a name="line.324"></a> +<span class="sourceLineNo">325</span> } else {<a name="line.325"></a> +<span class="sourceLineNo">326</span> LOG.error("Snapshot "+snapshotName+" does not exists");<a name="line.326"></a> +<span 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The manifest is stored within the table backup directory.<a name="line.332"></a> +<span class="sourceLineNo">333</span> * @param backupInfo The current backup info<a name="line.333"></a> +<span class="sourceLineNo">334</span> * @throws IOException exception<a name="line.334"></a> +<span class="sourceLineNo">335</span> * @throws BackupException exception<a name="line.335"></a> +<span class="sourceLineNo">336</span> */<a name="line.336"></a> +<span class="sourceLineNo">337</span> protected void addManifest(BackupInfo backupInfo, BackupManager backupManager, BackupType type,<a name="line.337"></a> +<span class="sourceLineNo">338</span> Configuration conf) throws IOException, BackupException {<a name="line.338"></a> +<span class="sourceLineNo">339</span> // set the overall backup phase : store manifest<a name="line.339"></a> +<span class="sourceLineNo">340</span> backupInfo.setPhase(BackupPhase.STORE_MANIFEST);<a name="line.340"></a> +<span class="sourceLineNo">341</span><a name="line.341"></a> +<span class="sourceLineNo">342</span> BackupManifest manifest;<a name="line.342"></a> +<span class="sourceLineNo">343</span><a name="line.343"></a> +<span class="sourceLineNo">344</span> // Since we have each table's backup in its own directory structure,<a name="line.344"></a> +<span class="sourceLineNo">345</span> // we'll store its manifest with the table directory.<a name="line.345"></a> +<span class="sourceLineNo">346</span> for (TableName table : backupInfo.getTables()) {<a name="line.346"></a> +<span class="sourceLineNo">347</span> manifest = new BackupManifest(backupInfo, table);<a name="line.347"></a> +<span class="sourceLineNo">348</span> ArrayList<BackupImage> ancestors = backupManager.getAncestors(backupInfo, table);<a name="line.348"></a> +<span class="sourceLineNo">349</span> for (BackupImage image : ancestors) {<a name="line.349"></a> +<span class="sourceLineNo">350</span> manifest.addDependentImage(image);<a name="line.350"></a> +<span class="sourceLineNo">351</span> }<a name="line.351"></a> +<span class="sourceLineNo">352</span><a name="line.352"></a> +<span class="sourceLineNo">353</span> if (type == BackupType.INCREMENTAL) {<a name="line.353"></a> +<span class="sourceLineNo">354</span> // We'll store the log timestamps for this table only in its manifest.<a name="line.354"></a> +<span class="sourceLineNo">355</span> HashMap<TableName, HashMap<String, Long>> tableTimestampMap =<a name="line.355"></a> +<span class="sourceLineNo">356</span> new HashMap<TableName, HashMap<String, Long>>();<a name="line.356"></a> +<span class="sourceLineNo">357</span> tableTimestampMap.put(table, backupInfo.getIncrTimestampMap().get(table));<a name="line.357"></a> +<span class="sourceLineNo">358</span> manifest.setIncrTimestampMap(tableTimestampMap);<a name="line.358"></a> +<span class="sourceLineNo">359</span> ArrayList<BackupImage> ancestorss = backupManager.getAncestors(backupInfo);<a name="line.359"></a> +<span class="sourceLineNo">360</span> for (BackupImage image : ancestorss) {<a name="line.360"></a> +<span class="sourceLineNo">361</span> manifest.addDependentImage(image);<a name="line.361"></a> +<span class="sourceLineNo">362</span> }<a name="line.362"></a> +<span class="sourceLineNo">363</span> }<a name="line.363"></a> +<span class="sourceLineNo">364</span> manifest.store(conf);<a name="line.364"></a> +<span class="sourceLineNo">365</span> }<a name="line.365"></a> +<span class="sourceLineNo">366</span><a name="line.366"></a> +<span class="sourceLineNo">367</span> // For incremental backup, we store a overall manifest in<a name="line.367"></a> +<span class="sourceLineNo">368</span> // <backup-root-dir>/WALs/<backup-id><a name="line.368"></a> +<span class="sourceLineNo">369</span> // This is used when created the next incremental backup<a name="line.369"></a> +<span class="sourceLineNo">370</span> if (type == BackupType.INCREMENTAL) {<a name="line.370"></a> +<span 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class="sourceLineNo">381</span><a name="line.381"></a> +<span class="sourceLineNo">382</span> /**<a name="line.382"></a> +<span class="sourceLineNo">383</span> * Get backup request meta data dir as string.<a name="line.383"></a> +<span class="sourceLineNo">384</span> * @param backupInfo backup info<a name="line.384"></a> +<span class="sourceLineNo">385</span> * @return meta data dir<a name="line.385"></a> +<span class="sourceLineNo">386</span> */<a name="line.386"></a> +<span class="sourceLineNo">387</span> protected String obtainBackupMetaDataStr(BackupInfo backupInfo) {<a name="line.387"></a> +<span class="sourceLineNo">388</span> StringBuffer sb = new StringBuffer();<a name="line.388"></a> +<span class="sourceLineNo">389</span> sb.append("type=" + backupInfo.getType() + ",tablelist=");<a name="line.389"></a> +<span class="sourceLineNo">390</span> for (TableName table : backupInfo.getTables()) {<a name="line.390"></a> +<span class="sourceLineNo">391</span> sb.append(table + ";");<a 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class="sourceLineNo">413</span> for (FileStatus file : files) {<a name="line.413"></a> +<span class="sourceLineNo">414</span> if (file.getPath().getName().startsWith("_distcp_logs")) {<a name="line.414"></a> +<span class="sourceLineNo">415</span> LOG.debug("Delete log files of DistCp: " + file.getPath().getName());<a name="line.415"></a> +<span class="sourceLineNo">416</span> FSUtils.delete(fs, file.getPath(), true);<a name="line.416"></a> +<span class="sourceLineNo">417</span> }<a name="line.417"></a> +<span class="sourceLineNo">418</span> }<a name="line.418"></a> +<span class="sourceLineNo">419</span> }<a name="line.419"></a> +<span class="sourceLineNo">420</span><a name="line.420"></a> +<span class="sourceLineNo">421</span> /**<a name="line.421"></a> +<span class="sourceLineNo">422</span> * Complete the overall backup.<a name="line.422"></a> +<span class="sourceLineNo">423</span> * @param backupInfo backup info<a name="line.423"></a> +<span class="sourceLineNo">424</span> * @throws 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(type == BackupType.INCREMENTAL) {<a name="line.453"></a> +<span class="sourceLineNo">454</span> cleanupDistCpLog(backupInfo, conf);<a name="line.454"></a> +<span class="sourceLineNo">455</span> }<a name="line.455"></a> +<span class="sourceLineNo">456</span> deleteBackupTableSnapshot(conn, conf);<a name="line.456"></a> +<span class="sourceLineNo">457</span> // Finish active session<a name="line.457"></a> +<span class="sourceLineNo">458</span> backupManager.finishBackupSession();<a name="line.458"></a> +<span class="sourceLineNo">459</span><a name="line.459"></a> +<span class="sourceLineNo">460</span> LOG.info("Backup " + backupInfo.getBackupId() + " completed.");<a name="line.460"></a> +<span class="sourceLineNo">461</span> }<a name="line.461"></a> +<span class="sourceLineNo">462</span><a name="line.462"></a> +<span class="sourceLineNo">463</span> /**<a name="line.463"></a> +<span class="sourceLineNo">464</span> * Backup request execution<a name="line.464"></a> +<span class="sourceLineNo">465</span> * @throws IOException<a name="line.465"></a> +<span class="sourceLineNo">466</span> */<a name="line.466"></a> +<span class="sourceLineNo">467</span> public abstract void execute() throws IOException;<a name="line.467"></a> +<span class="sourceLineNo">468</span><a name="line.468"></a> +<span class="sourceLineNo">469</span>}<a name="line.469"></a>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/8e0a5167/devapidocs/src-html/org/apache/hadoop/hbase/master/LoadBalancer.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/LoadBalancer.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/LoadBalancer.html index b6e5d17..748b652 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/master/LoadBalancer.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/LoadBalancer.html @@ -52,7 +52,7 @@ <span class="sourceLineNo">044</span> * <p>On cluster startup, bulk assignment can be used to determine<a name="line.44"></a> <span class="sourceLineNo">045</span> * locations for all Regions in a cluster.<a name="line.45"></a> <span class="sourceLineNo">046</span> *<a name="line.46"></a> -<span class="sourceLineNo">047</span> * <p>This classes produces plans for the<a name="line.47"></a> +<span class="sourceLineNo">047</span> * <p>This class produces plans for the<a name="line.47"></a> <span class="sourceLineNo">048</span> * {@link org.apache.hadoop.hbase.master.AssignmentManager}<a name="line.48"></a> <span class="sourceLineNo">049</span> * to execute.<a name="line.49"></a> <span class="sourceLineNo">050</span> */<a name="line.50"></a> @@ -60,7 +60,7 @@ <span class="sourceLineNo">052</span>public interface LoadBalancer extends Configurable, Stoppable, ConfigurationObserver {<a name="line.52"></a> <span class="sourceLineNo">053</span><a name="line.53"></a> <span class="sourceLineNo">054</span> // Used to signal to the caller that the region(s) cannot be assigned<a name="line.54"></a> -<span class="sourceLineNo">055</span> static final ServerName BOGUS_SERVER_NAME = ServerName.valueOf("bogus.example.com,1,1");<a name="line.55"></a> +<span class="sourceLineNo">055</span> ServerName BOGUS_SERVER_NAME = ServerName.valueOf("bogus.example.com,1,1");<a name="line.55"></a> <span class="sourceLineNo">056</span><a name="line.56"></a> <span class="sourceLineNo">057</span> /**<a name="line.57"></a> <span class="sourceLineNo">058</span> * Set the current cluster status. This allows a LoadBalancer to map host name to a server<a name="line.58"></a>
