http://git-wip-us.apache.org/repos/asf/hbase-site/blob/7816cbde/devapidocs/src-html/org/apache/hadoop/hbase/backup/mapreduce/MapReduceBackupCopyJob.SnapshotCopy.html
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diff --git
a/devapidocs/src-html/org/apache/hadoop/hbase/backup/mapreduce/MapReduceBackupCopyJob.SnapshotCopy.html
b/devapidocs/src-html/org/apache/hadoop/hbase/backup/mapreduce/MapReduceBackupCopyJob.SnapshotCopy.html
index 65a31ce..7551292 100644
---
a/devapidocs/src-html/org/apache/hadoop/hbase/backup/mapreduce/MapReduceBackupCopyJob.SnapshotCopy.html
+++
b/devapidocs/src-html/org/apache/hadoop/hbase/backup/mapreduce/MapReduceBackupCopyJob.SnapshotCopy.html
@@ -36,333 +36,414 @@
<span class="sourceLineNo">028</span>import org.apache.commons.logging.Log;<a
name="line.28"></a>
<span class="sourceLineNo">029</span>import
org.apache.commons.logging.LogFactory;<a name="line.29"></a>
<span class="sourceLineNo">030</span>import
org.apache.hadoop.conf.Configuration;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import org.apache.hadoop.fs.FileSystem;<a
name="line.31"></a>
-<span class="sourceLineNo">032</span>import org.apache.hadoop.fs.Path;<a
name="line.32"></a>
-<span class="sourceLineNo">033</span>import
org.apache.hadoop.hbase.TableName;<a name="line.33"></a>
-<span class="sourceLineNo">034</span>import
org.apache.hadoop.hbase.backup.BackupCopyJob;<a name="line.34"></a>
-<span class="sourceLineNo">035</span>import
org.apache.hadoop.hbase.backup.BackupInfo;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import
org.apache.hadoop.hbase.backup.BackupType;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>import
org.apache.hadoop.hbase.backup.impl.BackupManager;<a name="line.37"></a>
-<span class="sourceLineNo">038</span>import
org.apache.hadoop.hbase.backup.util.BackupUtils;<a name="line.38"></a>
-<span class="sourceLineNo">039</span>import
org.apache.hadoop.hbase.snapshot.ExportSnapshot;<a name="line.39"></a>
-<span class="sourceLineNo">040</span>import
org.apache.hadoop.mapreduce.Cluster;<a name="line.40"></a>
-<span class="sourceLineNo">041</span>import
org.apache.hadoop.mapreduce.Counters;<a name="line.41"></a>
-<span class="sourceLineNo">042</span>import org.apache.hadoop.mapreduce.Job;<a
name="line.42"></a>
-<span class="sourceLineNo">043</span>import
org.apache.hadoop.mapreduce.JobID;<a name="line.43"></a>
-<span class="sourceLineNo">044</span>import org.apache.hadoop.tools.DistCp;<a
name="line.44"></a>
-<span class="sourceLineNo">045</span>import
org.apache.hadoop.tools.DistCpConstants;<a name="line.45"></a>
-<span class="sourceLineNo">046</span>import
org.apache.hadoop.tools.DistCpOptions;<a name="line.46"></a>
-<span class="sourceLineNo">047</span>import
org.apache.yetus.audience.InterfaceAudience;<a name="line.47"></a>
-<span class="sourceLineNo">048</span>import
org.apache.zookeeper.KeeperException.NoNodeException;<a name="line.48"></a>
-<span class="sourceLineNo">049</span><a name="line.49"></a>
-<span class="sourceLineNo">050</span>/**<a name="line.50"></a>
-<span class="sourceLineNo">051</span> * Map-Reduce implementation of {@link
BackupCopyJob}. Basically, there are 2 types of copy<a name="line.51"></a>
-<span class="sourceLineNo">052</span> * operation: one is copying from
snapshot, which bases on extending ExportSnapshot's function, the<a
name="line.52"></a>
-<span class="sourceLineNo">053</span> * other is copying for incremental log
files, which bases on extending DistCp's function.<a name="line.53"></a>
-<span class="sourceLineNo">054</span> */<a name="line.54"></a>
-<span class="sourceLineNo">055</span>@InterfaceAudience.Private<a
name="line.55"></a>
-<span class="sourceLineNo">056</span>public class MapReduceBackupCopyJob
implements BackupCopyJob {<a name="line.56"></a>
-<span class="sourceLineNo">057</span> private static final Log LOG =
LogFactory.getLog(MapReduceBackupCopyJob.class);<a name="line.57"></a>
-<span class="sourceLineNo">058</span><a name="line.58"></a>
-<span class="sourceLineNo">059</span> private Configuration conf;<a
name="line.59"></a>
-<span class="sourceLineNo">060</span><a name="line.60"></a>
-<span class="sourceLineNo">061</span> // Accumulated progress within the
whole backup process for the copy operation<a name="line.61"></a>
-<span class="sourceLineNo">062</span> private float progressDone = 0.1f;<a
name="line.62"></a>
-<span class="sourceLineNo">063</span> private long bytesCopied = 0;<a
name="line.63"></a>
-<span class="sourceLineNo">064</span> private static float INIT_PROGRESS =
0.1f;<a name="line.64"></a>
+<span class="sourceLineNo">031</span>import org.apache.hadoop.fs.FileStatus;<a
name="line.31"></a>
+<span class="sourceLineNo">032</span>import org.apache.hadoop.fs.FileSystem;<a
name="line.32"></a>
+<span class="sourceLineNo">033</span>import org.apache.hadoop.fs.Path;<a
name="line.33"></a>
+<span class="sourceLineNo">034</span>import
org.apache.hadoop.hbase.TableName;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import
org.apache.hadoop.hbase.backup.BackupCopyJob;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import
org.apache.hadoop.hbase.backup.BackupInfo;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import
org.apache.hadoop.hbase.backup.BackupType;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import
org.apache.hadoop.hbase.backup.impl.BackupManager;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import
org.apache.hadoop.hbase.backup.util.BackupUtils;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import
org.apache.hadoop.hbase.snapshot.ExportSnapshot;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import
org.apache.hadoop.io.SequenceFile;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import org.apache.hadoop.io.Text;<a
name="line.42"></a>
+<span class="sourceLineNo">043</span>import
org.apache.hadoop.mapreduce.Cluster;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import
org.apache.hadoop.mapreduce.Counters;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import org.apache.hadoop.mapreduce.Job;<a
name="line.45"></a>
+<span class="sourceLineNo">046</span>import
org.apache.hadoop.mapreduce.JobID;<a name="line.46"></a>
+<span class="sourceLineNo">047</span>import
org.apache.hadoop.tools.CopyListingFileStatus;<a name="line.47"></a>
+<span class="sourceLineNo">048</span>import org.apache.hadoop.tools.DistCp;<a
name="line.48"></a>
+<span class="sourceLineNo">049</span>import
org.apache.hadoop.tools.DistCpConstants;<a name="line.49"></a>
+<span class="sourceLineNo">050</span>import
org.apache.hadoop.tools.DistCpOptions;<a name="line.50"></a>
+<span class="sourceLineNo">051</span>import
org.apache.yetus.audience.InterfaceAudience;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>import
org.apache.zookeeper.KeeperException.NoNodeException;<a name="line.52"></a>
+<span class="sourceLineNo">053</span><a name="line.53"></a>
+<span class="sourceLineNo">054</span>/**<a name="line.54"></a>
+<span class="sourceLineNo">055</span> * Map-Reduce implementation of {@link
BackupCopyJob}. Basically, there are 2 types of copy<a name="line.55"></a>
+<span class="sourceLineNo">056</span> * operation: one is copying from
snapshot, which bases on extending ExportSnapshot's function, the<a
name="line.56"></a>
+<span class="sourceLineNo">057</span> * other is copying for incremental log
files, which bases on extending DistCp's function.<a name="line.57"></a>
+<span class="sourceLineNo">058</span> */<a name="line.58"></a>
+<span class="sourceLineNo">059</span>@InterfaceAudience.Private<a
name="line.59"></a>
+<span class="sourceLineNo">060</span>public class MapReduceBackupCopyJob
implements BackupCopyJob {<a name="line.60"></a>
+<span class="sourceLineNo">061</span> public static final String
NUMBER_OF_LEVELS_TO_PRESERVE_KEY = "num.levels.preserve";<a name="line.61"></a>
+<span class="sourceLineNo">062</span> private static final Log LOG =
LogFactory.getLog(MapReduceBackupCopyJob.class);<a name="line.62"></a>
+<span class="sourceLineNo">063</span><a name="line.63"></a>
+<span class="sourceLineNo">064</span> private Configuration conf;<a
name="line.64"></a>
<span class="sourceLineNo">065</span><a name="line.65"></a>
-<span class="sourceLineNo">066</span> // The percentage of the current copy
task within the whole task if multiple time copies are<a name="line.66"></a>
-<span class="sourceLineNo">067</span> // needed. The default value is 100%,
which means only 1 copy task for the whole.<a name="line.67"></a>
-<span class="sourceLineNo">068</span> private float subTaskPercntgInWholeTask
= 1f;<a name="line.68"></a>
-<span class="sourceLineNo">069</span><a name="line.69"></a>
-<span class="sourceLineNo">070</span> public MapReduceBackupCopyJob() {<a
name="line.70"></a>
-<span class="sourceLineNo">071</span> }<a name="line.71"></a>
-<span class="sourceLineNo">072</span><a name="line.72"></a>
-<span class="sourceLineNo">073</span> @Override<a name="line.73"></a>
-<span class="sourceLineNo">074</span> public Configuration getConf() {<a
name="line.74"></a>
-<span class="sourceLineNo">075</span> return conf;<a name="line.75"></a>
+<span class="sourceLineNo">066</span> // Accumulated progress within the
whole backup process for the copy operation<a name="line.66"></a>
+<span class="sourceLineNo">067</span> private float progressDone = 0.1f;<a
name="line.67"></a>
+<span class="sourceLineNo">068</span> private long bytesCopied = 0;<a
name="line.68"></a>
+<span class="sourceLineNo">069</span> private static float INIT_PROGRESS =
0.1f;<a name="line.69"></a>
+<span class="sourceLineNo">070</span><a name="line.70"></a>
+<span class="sourceLineNo">071</span> // The percentage of the current copy
task within the whole task if multiple time copies are<a name="line.71"></a>
+<span class="sourceLineNo">072</span> // needed. The default value is 100%,
which means only 1 copy task for the whole.<a name="line.72"></a>
+<span class="sourceLineNo">073</span> private float subTaskPercntgInWholeTask
= 1f;<a name="line.73"></a>
+<span class="sourceLineNo">074</span><a name="line.74"></a>
+<span class="sourceLineNo">075</span> public MapReduceBackupCopyJob() {<a
name="line.75"></a>
<span class="sourceLineNo">076</span> }<a name="line.76"></a>
<span class="sourceLineNo">077</span><a name="line.77"></a>
<span class="sourceLineNo">078</span> @Override<a name="line.78"></a>
-<span class="sourceLineNo">079</span> public void setConf(Configuration conf)
{<a name="line.79"></a>
-<span class="sourceLineNo">080</span> this.conf = conf;<a
name="line.80"></a>
+<span class="sourceLineNo">079</span> public Configuration getConf() {<a
name="line.79"></a>
+<span class="sourceLineNo">080</span> return conf;<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> * Get the current copy task percentage
within the whole task if multiple copies are needed.<a name="line.84"></a>
-<span class="sourceLineNo">085</span> * @return the current copy task
percentage<a name="line.85"></a>
-<span class="sourceLineNo">086</span> */<a name="line.86"></a>
-<span class="sourceLineNo">087</span> public float
getSubTaskPercntgInWholeTask() {<a name="line.87"></a>
-<span class="sourceLineNo">088</span> return subTaskPercntgInWholeTask;<a
name="line.88"></a>
-<span class="sourceLineNo">089</span> }<a name="line.89"></a>
-<span class="sourceLineNo">090</span><a name="line.90"></a>
-<span class="sourceLineNo">091</span> /**<a name="line.91"></a>
-<span class="sourceLineNo">092</span> * Set the current copy task percentage
within the whole task if multiple copies are needed. Must<a name="line.92"></a>
-<span class="sourceLineNo">093</span> * be called before calling<a
name="line.93"></a>
-<span class="sourceLineNo">094</span> * {@link #copy(BackupInfo,
BackupManager, Configuration, BackupType, String[])}<a name="line.94"></a>
-<span class="sourceLineNo">095</span> * @param subTaskPercntgInWholeTask The
percentage of the copy subtask<a name="line.95"></a>
-<span class="sourceLineNo">096</span> */<a name="line.96"></a>
-<span class="sourceLineNo">097</span> public void
setSubTaskPercntgInWholeTask(float subTaskPercntgInWholeTask) {<a
name="line.97"></a>
-<span class="sourceLineNo">098</span> this.subTaskPercntgInWholeTask =
subTaskPercntgInWholeTask;<a name="line.98"></a>
-<span class="sourceLineNo">099</span> }<a name="line.99"></a>
-<span class="sourceLineNo">100</span><a name="line.100"></a>
-<span class="sourceLineNo">101</span> static class SnapshotCopy extends
ExportSnapshot {<a name="line.101"></a>
-<span class="sourceLineNo">102</span> private BackupInfo backupInfo;<a
name="line.102"></a>
-<span class="sourceLineNo">103</span> private TableName table;<a
name="line.103"></a>
-<span class="sourceLineNo">104</span><a name="line.104"></a>
-<span class="sourceLineNo">105</span> public SnapshotCopy(BackupInfo
backupInfo, TableName table) {<a name="line.105"></a>
-<span class="sourceLineNo">106</span> super();<a name="line.106"></a>
-<span class="sourceLineNo">107</span> this.backupInfo = backupInfo;<a
name="line.107"></a>
-<span class="sourceLineNo">108</span> this.table = table;<a
name="line.108"></a>
-<span class="sourceLineNo">109</span> }<a name="line.109"></a>
-<span class="sourceLineNo">110</span><a name="line.110"></a>
-<span class="sourceLineNo">111</span> public TableName getTable() {<a
name="line.111"></a>
-<span class="sourceLineNo">112</span> return this.table;<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> public BackupInfo getBackupInfo() {<a
name="line.115"></a>
-<span class="sourceLineNo">116</span> return this.backupInfo;<a
name="line.116"></a>
-<span class="sourceLineNo">117</span> }<a name="line.117"></a>
-<span class="sourceLineNo">118</span> }<a name="line.118"></a>
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+<span class="sourceLineNo">084</span> public void setConf(Configuration conf)
{<a name="line.84"></a>
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+<span class="sourceLineNo">086</span> }<a name="line.86"></a>
+<span class="sourceLineNo">087</span><a name="line.87"></a>
+<span class="sourceLineNo">088</span> /**<a name="line.88"></a>
+<span class="sourceLineNo">089</span> * Get the current copy task percentage
within the whole task if multiple copies are needed.<a name="line.89"></a>
+<span class="sourceLineNo">090</span> * @return the current copy task
percentage<a name="line.90"></a>
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+<span class="sourceLineNo">092</span> public float
getSubTaskPercntgInWholeTask() {<a name="line.92"></a>
+<span class="sourceLineNo">093</span> return subTaskPercntgInWholeTask;<a
name="line.93"></a>
+<span class="sourceLineNo">094</span> }<a name="line.94"></a>
+<span class="sourceLineNo">095</span><a name="line.95"></a>
+<span class="sourceLineNo">096</span> /**<a name="line.96"></a>
+<span class="sourceLineNo">097</span> * Set the current copy task percentage
within the whole task if multiple copies are needed. Must<a name="line.97"></a>
+<span class="sourceLineNo">098</span> * be called before calling<a
name="line.98"></a>
+<span class="sourceLineNo">099</span> * {@link #copy(BackupInfo,
BackupManager, Configuration, BackupType, String[])}<a name="line.99"></a>
+<span class="sourceLineNo">100</span> * @param subTaskPercntgInWholeTask The
percentage of the copy subtask<a name="line.100"></a>
+<span class="sourceLineNo">101</span> */<a name="line.101"></a>
+<span class="sourceLineNo">102</span> public void
setSubTaskPercntgInWholeTask(float subTaskPercntgInWholeTask) {<a
name="line.102"></a>
+<span class="sourceLineNo">103</span> this.subTaskPercntgInWholeTask =
subTaskPercntgInWholeTask;<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> static class SnapshotCopy extends
ExportSnapshot {<a name="line.106"></a>
+<span class="sourceLineNo">107</span> private BackupInfo backupInfo;<a
name="line.107"></a>
+<span class="sourceLineNo">108</span> private TableName table;<a
name="line.108"></a>
+<span class="sourceLineNo">109</span><a name="line.109"></a>
+<span class="sourceLineNo">110</span> public SnapshotCopy(BackupInfo
backupInfo, TableName table) {<a name="line.110"></a>
+<span class="sourceLineNo">111</span> super();<a name="line.111"></a>
+<span class="sourceLineNo">112</span> this.backupInfo = backupInfo;<a
name="line.112"></a>
+<span class="sourceLineNo">113</span> this.table = table;<a
name="line.113"></a>
+<span class="sourceLineNo">114</span> }<a name="line.114"></a>
+<span class="sourceLineNo">115</span><a name="line.115"></a>
+<span class="sourceLineNo">116</span> public TableName getTable() {<a
name="line.116"></a>
+<span class="sourceLineNo">117</span> return this.table;<a
name="line.117"></a>
+<span class="sourceLineNo">118</span> }<a name="line.118"></a>
<span class="sourceLineNo">119</span><a name="line.119"></a>
-<span class="sourceLineNo">120</span> /**<a name="line.120"></a>
-<span class="sourceLineNo">121</span> * Update the ongoing backup with new
progress.<a name="line.121"></a>
-<span class="sourceLineNo">122</span> * @param backupInfo backup info<a
name="line.122"></a>
-<span class="sourceLineNo">123</span> * @param newProgress progress<a
name="line.123"></a>
-<span class="sourceLineNo">124</span> * @param bytesCopied bytes copied<a
name="line.124"></a>
-<span class="sourceLineNo">125</span> * @throws NoNodeException exception<a
name="line.125"></a>
-<span class="sourceLineNo">126</span> */<a name="line.126"></a>
-<span class="sourceLineNo">127</span> static void updateProgress(BackupInfo
backupInfo, BackupManager backupManager,<a name="line.127"></a>
-<span class="sourceLineNo">128</span> int newProgress, long bytesCopied)
throws IOException {<a name="line.128"></a>
-<span class="sourceLineNo">129</span> // compose the new backup progress
data, using fake number for now<a name="line.129"></a>
-<span class="sourceLineNo">130</span> String backupProgressData =
newProgress + "%";<a name="line.130"></a>
-<span class="sourceLineNo">131</span><a name="line.131"></a>
-<span class="sourceLineNo">132</span>
backupInfo.setProgress(newProgress);<a name="line.132"></a>
-<span class="sourceLineNo">133</span>
backupManager.updateBackupInfo(backupInfo);<a name="line.133"></a>
-<span class="sourceLineNo">134</span> LOG.debug("Backup progress data \"" +
backupProgressData<a name="line.134"></a>
-<span class="sourceLineNo">135</span> + "\" has been updated to backup
system table for " + backupInfo.getBackupId());<a name="line.135"></a>
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-<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> * Extends DistCp for progress updating
to backup system table<a name="line.139"></a>
-<span class="sourceLineNo">140</span> * during backup. Using DistCpV2
(MAPREDUCE-2765).<a name="line.140"></a>
-<span class="sourceLineNo">141</span> * Simply extend it and override
execute() method to get the<a name="line.141"></a>
-<span class="sourceLineNo">142</span> * Job reference for progress
updating.<a name="line.142"></a>
-<span class="sourceLineNo">143</span> * Only the argument "src1, [src2,
[...]] dst" is supported,<a name="line.143"></a>
-<span class="sourceLineNo">144</span> * no more DistCp options.<a
name="line.144"></a>
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-<span class="sourceLineNo">146</span> class BackupDistCp extends DistCp {<a
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-<span class="sourceLineNo">148</span> private BackupInfo backupInfo;<a
name="line.148"></a>
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backupManager;<a name="line.149"></a>
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-<span class="sourceLineNo">151</span> public BackupDistCp(Configuration
conf, DistCpOptions options, BackupInfo backupInfo,<a name="line.151"></a>
-<span class="sourceLineNo">152</span> BackupManager backupManager)
throws Exception {<a name="line.152"></a>
-<span class="sourceLineNo">153</span> super(conf, options);<a
name="line.153"></a>
-<span class="sourceLineNo">154</span> this.backupInfo = backupInfo;<a
name="line.154"></a>
-<span class="sourceLineNo">155</span> this.backupManager =
backupManager;<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> @Override<a name="line.159"></a>
-<span class="sourceLineNo">160</span> public Job execute() throws Exception
{<a name="line.160"></a>
-<span class="sourceLineNo">161</span><a name="line.161"></a>
-<span class="sourceLineNo">162</span> // reflection preparation for
private methods and fields<a name="line.162"></a>
-<span class="sourceLineNo">163</span> Class<?> classDistCp =
org.apache.hadoop.tools.DistCp.class;<a name="line.163"></a>
-<span class="sourceLineNo">164</span> Method methodCleanup =
classDistCp.getDeclaredMethod("cleanup");<a name="line.164"></a>
+<span class="sourceLineNo">120</span> public BackupInfo getBackupInfo() {<a
name="line.120"></a>
+<span class="sourceLineNo">121</span> return this.backupInfo;<a
name="line.121"></a>
+<span class="sourceLineNo">122</span> }<a name="line.122"></a>
+<span class="sourceLineNo">123</span> }<a name="line.123"></a>
+<span class="sourceLineNo">124</span><a name="line.124"></a>
+<span class="sourceLineNo">125</span> /**<a name="line.125"></a>
+<span class="sourceLineNo">126</span> * Update the ongoing backup with new
progress.<a name="line.126"></a>
+<span class="sourceLineNo">127</span> * @param backupInfo backup info<a
name="line.127"></a>
+<span class="sourceLineNo">128</span> * @param newProgress progress<a
name="line.128"></a>
+<span class="sourceLineNo">129</span> * @param bytesCopied bytes copied<a
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throws IOException {<a name="line.133"></a>
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backupInfo.setProgress(newProgress);<a name="line.137"></a>
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backupManager.updateBackupInfo(backupInfo);<a name="line.138"></a>
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backupProgressData<a name="line.139"></a>
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throws Exception {<a name="line.158"></a>
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name="line.159"></a>
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classDistCp.getDeclaredField("submitted");<a name="line.167"></a>
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methodCleanup.setAccessible(true);<a name="line.169"></a>
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fieldSubmitted.setAccessible(true);<a name="line.171"></a>
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getInputOptionsField(classDistCp);<a name="line.173"></a>
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newProgressStr + " subTask: " + subTaskPercntgInWholeTask<a name="line.218"></a>
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job.mapProgress());<a name="line.219"></a>
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name="line.228"></a>
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job.getConfiguration().set(DistCpConstants.CONF_LABEL_DISTCP_JOB_ID, jobID);<a
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classDistCp.getDeclaredField("context");<a name="line.254"></a>
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name="line.256"></a>
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methodGetSourcePaths.setAccessible(true);<a name="line.273"></a>
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name="line.305"></a>
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setSubTaskPercntgInWholeTask(1f);<a name="line.309"></a>
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Arrays.toString(options));<a name="line.317"></a>
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name="line.189"></a>
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name="line.190"></a>
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BackupUtils.getFilesLength(aSrc.getFileSystem(super.getConf()), aSrc);<a
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job.mapProgress() * subTaskPercntgInWholeTask * (1 - INIT_PROGRESS);<a
name="line.203"></a>
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lastProgress) {<a name="line.205"></a>
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name="line.207"></a>
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BigDecimal(newProgress * 100).setScale(1, BigDecimal.ROUND_HALF_UP);<a
name="line.208"></a>
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progressData + "%";<a name="line.209"></a>
+<span class="sourceLineNo">210</span> LOG.info("Progress: " +
newProgressStr);<a name="line.210"></a>
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backupManager, progressData.intValue(), bytesCopied);<a name="line.211"></a>
+<span class="sourceLineNo">212</span> LOG.debug("Backup progress
data updated to backup system table: \"Progress: "<a name="line.212"></a>
+<span class="sourceLineNo">213</span> + newProgressStr +
".\"");<a name="line.213"></a>
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name="line.214"></a>
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Thread.sleep(progressReportFreq);<a name="line.216"></a>
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copy job complete<a name="line.218"></a>
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name="line.219"></a>
+<span class="sourceLineNo">220</span> progressDone +
job.mapProgress() * subTaskPercntgInWholeTask * (1 - INIT_PROGRESS);<a
name="line.220"></a>
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name="line.221"></a>
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100).setScale(1, BigDecimal.ROUND_HALF_UP);<a name="line.222"></a>
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+<span class="sourceLineNo">224</span> String newProgressStr =
progressData + "%";<a name="line.224"></a>
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newProgressStr + " subTask: " + subTaskPercntgInWholeTask<a name="line.225"></a>
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job.mapProgress());<a name="line.226"></a>
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progress<a name="line.228"></a>
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name="line.229"></a>
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name="line.230"></a>
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backupManager, progressData.intValue(), bytesCopied);<a name="line.232"></a>
+<span class="sourceLineNo">233</span> LOG.debug("Backup progress data
updated to backup system table: \"Progress: "<a name="line.233"></a>
+<span class="sourceLineNo">234</span> + newProgressStr + " - " +
bytesCopied + " bytes copied.\"");<a name="line.234"></a>
+<span class="sourceLineNo">235</span> } catch (Throwable t) {<a
name="line.235"></a>
+<span class="sourceLineNo">236</span> LOG.error(t);<a
name="line.236"></a>
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job.getJobID().toString();<a name="line.240"></a>
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job.getConfiguration().set(DistCpConstants.CONF_LABEL_DISTCP_JOB_ID, jobID);<a
name="line.241"></a>
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+<span class="sourceLineNo">243</span> LOG.debug("DistCp job-id: " + jobID
+ " completed: " + job.isComplete() + " "<a name="line.243"></a>
+<span class="sourceLineNo">244</span> + job.isSuccessful());<a
name="line.244"></a>
+<span class="sourceLineNo">245</span> Counters ctrs =
job.getCounters();<a name="line.245"></a>
+<span class="sourceLineNo">246</span> LOG.debug(ctrs);<a
name="line.246"></a>
+<span class="sourceLineNo">247</span> if (job.isComplete() &&
!job.isSuccessful()) {<a name="line.247"></a>
+<span class="sourceLineNo">248</span> throw new Exception("DistCp
job-id: " + jobID + " failed");<a name="line.248"></a>
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+<span class="sourceLineNo">250</span><a name="line.250"></a>
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+<span class="sourceLineNo">252</span> }<a name="line.252"></a>
+<span class="sourceLineNo">253</span><a name="line.253"></a>
+<span class="sourceLineNo">254</span> private Field
getInputOptionsField(Class<?> classDistCp) throws IOException{<a
name="line.254"></a>
+<span class="sourceLineNo">255</span> Field f = null;<a
name="line.255"></a>
+<span class="sourceLineNo">256</span> try {<a name="line.256"></a>
+<span class="sourceLineNo">257</span> f =
classDistCp.getDeclaredField("inputOptions");<a name="line.257"></a>
+<span class="sourceLineNo">258</span> } catch(Exception e) {<a
name="line.258"></a>
+<span class="sourceLineNo">259</span> // Haddop 3<a name="line.259"></a>
+<span class="sourceLineNo">260</span> try {<a name="line.260"></a>
+<span class="sourceLineNo">261</span> f =
classDistCp.getDeclaredField("context");<a name="line.261"></a>
+<span class="sourceLineNo">262</span> } catch (NoSuchFieldException |
SecurityException e1) {<a name="line.262"></a>
+<span class="sourceLineNo">263</span> throw new IOException(e1);<a
name="line.263"></a>
+<span class="sourceLineNo">264</span> }<a name="line.264"></a>
+<span class="sourceLineNo">265</span> }<a name="line.265"></a>
+<span class="sourceLineNo">266</span> return f;<a name="line.266"></a>
+<span class="sourceLineNo">267</span> }<a name="line.267"></a>
+<span class="sourceLineNo">268</span><a name="line.268"></a>
+<span class="sourceLineNo">269</span> @SuppressWarnings("unchecked")<a
name="line.269"></a>
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getSourcePaths(Field fieldInputOptions) throws IOException{<a
name="line.270"></a>
+<span class="sourceLineNo">271</span> Object options;<a
name="line.271"></a>
+<span class="sourceLineNo">272</span> try {<a name="line.272"></a>
+<span class="sourceLineNo">273</span> options =
fieldInputOptions.get(this);<a name="line.273"></a>
+<span class="sourceLineNo">274</span> if (options instanceof
DistCpOptions) {<a name="line.274"></a>
+<span class="sourceLineNo">275</span> return ((DistCpOptions)
options).getSourcePaths();<a name="line.275"></a>
+<span class="sourceLineNo">276</span> } else {<a name="line.276"></a>
+<span class="sourceLineNo">277</span> // Hadoop 3<a
name="line.277"></a>
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Class.forName("org.apache.hadoop.tools.DistCpContext");<a name="line.278"></a>
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classContext.getDeclaredMethod("getSourcePaths");<a name="line.279"></a>
+<span class="sourceLineNo">280</span>
methodGetSourcePaths.setAccessible(true);<a name="line.280"></a>
+<span class="sourceLineNo">281</span><a name="line.281"></a>
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methodGetSourcePaths.invoke(options);<a name="line.282"></a>
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+<span class="sourceLineNo">284</span> } catch (IllegalArgumentException |
IllegalAccessException |<a name="line.284"></a>
+<span class="sourceLineNo">285</span> ClassNotFoundException |
NoSuchMethodException |<a name="line.285"></a>
+<span class="sourceLineNo">286</span> SecurityException |
InvocationTargetException e) {<a name="line.286"></a>
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name="line.287"></a>
+<span class="sourceLineNo">288</span> }<a name="line.288"></a>
+<span class="sourceLineNo">289</span><a name="line.289"></a>
+<span class="sourceLineNo">290</span> }<a name="line.290"></a>
+<span class="sourceLineNo">291</span><a name="line.291"></a>
+<span class="sourceLineNo">292</span> @Override<a name="line.292"></a>
+<span class="sourceLineNo">293</span> protected Path
createInputFileListing(Job job) throws IOException {<a name="line.293"></a>
+<span class="sourceLineNo">294</span><a name="line.294"></a>
+<span class="sourceLineNo">295</span> if
(conf.get(NUMBER_OF_LEVELS_TO_PRESERVE_KEY) == null) {<a name="line.295"></a>
+<span class="sourceLineNo">296</span> return
super.createInputFileListing(job);<a name="line.296"></a>
+<span class="sourceLineNo">297</span> }<a name="line.297"></a>
+<span class="sourceLineNo">298</span> long totalBytesExpected = 0;<a
name="line.298"></a>
+<span class="sourceLineNo">299</span> int totalRecords = 0;<a
name="line.299"></a>
+<span class="sourceLineNo">300</span> Path fileListingPath =
getFileListingPath();<a name="line.300"></a>
+<span class="sourceLineNo">301</span> try (SequenceFile.Writer writer =
getWriter(fileListingPath);) {<a name="line.301"></a>
+<span class="sourceLineNo">302</span> List<Path> srcFiles =
getSourceFiles();<a name="line.302"></a>
+<span class="sourceLineNo">303</span> if (srcFiles.size() == 0) {<a
name="line.303"></a>
+<span class="sourceLineNo">304</span> return fileListingPath;<a
name="line.304"></a>
+<span class="sourceLineNo">305</span> }<a name="line.305"></a>
+<span class="sourceLineNo">306</span> totalRecords = srcFiles.size();<a
name="line.306"></a>
+<span class="sourceLineNo">307</span> FileSystem fs =
srcFiles.get(0).getFileSystem(conf);<a name="line.307"></a>
+<span class="sourceLineNo">308</span> for (Path path : srcFiles) {<a
name="line.308"></a>
+<span class="sourceLineNo">309</span> FileStatus fst =
fs.getFileStatus(path);<a name="line.309"></a>
+<span class="sourceLineNo">310</span> totalBytesExpected +=
fst.getLen();<a name="line.310"></a>
+<span class="sourceLineNo">311</span> Text key = getKey(path);<a
name="line.311"></a>
+<span class="sourceLineNo">312</span> writer.append(key, new
CopyListingFileStatus(fst));<a name="line.312"></a>
+<span class="sourceLineNo">313</span> }<a name="line.313"></a>
+<span class="sourceLineNo">314</span> writer.close();<a
name="line.314"></a>
+<span class="sourceLineNo">315</span><a name="line.315"></a>
+<span class="sourceLineNo">316</span> // update jobs configuration<a
name="line.316"></a>
+<span class="sourceLineNo">317</span><a name="line.317"></a>
+<span class="sourceLineNo">318</span> Configuration cfg =
job.getConfiguration();<a name="line.318"></a>
+<span class="sourceLineNo">319</span>
cfg.setLong(DistCpConstants.CONF_LABEL_TOTAL_BYTES_TO_BE_COPIED,
totalBytesExpected);<a name="line.319"></a>
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cfg.set(DistCpConstants.CONF_LABEL_LISTING_FILE_PATH,
fileListingPath.toString());<a name="line.320"></a>
+<span class="sourceLineNo">321</span>
cfg.setLong(DistCpConstants.CONF_LABEL_TOTAL_NUMBER_OF_RECORDS,
totalRecords);<a name="line.321"></a>
+<span class="sourceLineNo">322</span> } catch (NoSuchFieldException |
SecurityException | IllegalArgumentException<a name="line.322"></a>
+<span class="sourceLineNo">323</span> | IllegalAccessException |
NoSuchMethodException | ClassNotFoundException<a name="line.323"></a>
+<span class="sourceLineNo">324</span> | InvocationTargetException e)
{<a name="line.324"></a>
+<span class="sourceLineNo">325</span> throw new IOException(e);<a
name="line.325"></a>
+<span class="sourceLineNo">326</span> }<a name="line.326"></a>
+<span class="sourceLineNo">327</span> return fileListingPath;<a
name="line.327"></a>
+<span class="sourceLineNo">328</span> }<a name="line.328"></a>
<span class="sourceLineNo">329</span><a name="line.329"></a>
-<span class="sourceLineNo">330</span> } catch (Exception e) {<a
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-<span class="sourceLineNo">331</span> throw new IOException(e);<a
name="line.331"></a>
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-<span class="sourceLineNo">333</span> }<a name="line.333"></a>
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-<span class="sourceLineNo">336</span> public void cancel(String jobId) throws
IOException {<a name="line.336"></a>
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name="line.337"></a>
-<span class="sourceLineNo">338</span> Cluster cluster = new
Cluster(this.getConf());<a name="line.338"></a>
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-<span class="sourceLineNo">340</span> Job job = cluster.getJob(id);<a
name="line.340"></a>
-<span class="sourceLineNo">341</span> if (job == null) {<a
name="line.341"></a>
-<span class="sourceLineNo">342</span> LOG.error("No job found for " +
id);<a name="line.342"></a>
-<span class="sourceLineNo">343</span> // should we throw exception<a
name="line.343"></a>
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job.isRetired()) {<a name="line.346"></a>
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-<span class="sourceLineNo">350</span> job.killJob();<a
name="line.350"></a>
-<span class="sourceLineNo">351</span> LOG.debug("Killed copy job " +
id);<a name="line.351"></a>
-<span class="sourceLineNo">352</span> } catch (InterruptedException e) {<a
name="line.352"></a>
-<span class="sourceLineNo">353</span> throw new IOException(e);<a
name="line.353"></a>
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-<span class="sourceLineNo">355</span> }<a name="line.355"></a>
-<span class="sourceLineNo">356</span><a name="line.356"></a>
-<span class="sourceLineNo">357</span>}<a name="line.357"></a>
+<span class="sourceLineNo">330</span> private Text getKey(Path path) {<a
name="line.330"></a>
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conf.getInt(NUMBER_OF_LEVELS_TO_PRESERVE_KEY, 1);<a name="line.331"></a>
+<span class="sourceLineNo">332</span> int count = 0;<a
name="line.332"></a>
+<span class="sourceLineNo">333</span> String relPath = "";<a
name="line.333"></a>
+<span class="sourceLineNo">334</span> while (count++ < level) {<a
name="line.334"></a>
+<span class="sourceLineNo">335</span> relPath = Path.SEPARATOR +
path.getName() + relPath;<a name="line.335"></a>
+<span class="sourceLineNo">336</span> path = path.getParent();<a
name="line.336"></a>
+<span class="sourceLineNo">337</span> }<a name="line.337"></a>
+<span class="sourceLineNo">338</span> return new Text(relPath);<a
name="line.338"></a>
+<span class="sourceLineNo">339</span> }<a name="line.339"></a>
+<span class="sourceLineNo">340</span><a name="line.340"></a>
+<span class="sourceLineNo">341</span> private List<Path>
getSourceFiles() throws NoSuchFieldException, SecurityException,<a
name="line.341"></a>
+<span class="sourceLineNo">342</span> IllegalArgumentException,
IllegalAccessException, NoSuchMethodException,<a name="line.342"></a>
+<span class="sourceLineNo">343</span> ClassNotFoundException,
InvocationTargetException, IOException {<a name="line.343"></a>
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name="line.344"></a>
+<span class="sourceLineNo">345</span> try {<a name="line.345"></a>
+<span class="sourceLineNo">346</span> options =
DistCp.class.getDeclaredField("inputOptions");<a name="line.346"></a>
+<span class="sourceLineNo">347</span> } catch (NoSuchFieldException |
SecurityException e) {<a name="line.347"></a>
+<span class="sourceLineNo">348</span> options =
DistCp.class.getDeclaredField("context");<a name="line.348"></a>
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name="line.350"></a>
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name="line.351"></a>
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+<span class="sourceLineNo">354</span><a name="line.354"></a>
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getWriter(Path pathToListFile) throws IOException {<a name="line.356"></a>
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pathToListFile.getFileSystem(conf);<a name="line.357"></a>
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name="line.358"></a>
+<span class="sourceLineNo">359</span> return
SequenceFile.createWriter(conf, SequenceFile.Writer.file(pathToListFile),<a
name="line.359"></a>
+<span class="sourceLineNo">360</span>
SequenceFile.Writer.keyClass(Text.class),<a name="line.360"></a>
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SequenceFile.Writer.valueClass(CopyListingFileStatus.class),<a
name="line.361"></a>
+<span class="sourceLineNo">362</span>
SequenceFile.Writer.compression(SequenceFile.CompressionType.NONE));<a
name="line.362"></a>
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+<span class="sourceLineNo">364</span><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> /**<a name="line.367"></a>
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types.<a name="line.368"></a>
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name="line.369"></a>
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configuration<a name="line.370"></a>
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type<a name="line.371"></a>
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customized ExportSnapshot or DistCp<a name="line.372"></a>
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name="line.373"></a>
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BackupManager backupManager, Configuration conf,<a name="line.376"></a>
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options) throws IOException {<a name="line.377"></a>
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+<span class="sourceLineNo">379</span><a name="line.379"></a>
+<span class="sourceLineNo">380</span> try {<a name="line.380"></a>
+<span class="sourceLineNo">381</span> if (copyType == BackupType.FULL)
{<a name="line.381"></a>
+<span class="sourceLineNo">382</span> SnapshotCopy snapshotCp = new
SnapshotCopy(context, context.getTableBySnapshot(options[1]));<a
name="line.382"></a>
+<span class="sourceLineNo">383</span> LOG.debug("Doing
SNAPSHOT_COPY");<a name="line.383"></a>
+<span class="sourceLineNo">384</span> // Make a new instance of conf to
be used by the snapshot copy class.<a name="line.384"></a>
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Configuration(conf));<a name="line.385"></a>
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name="line.386"></a>
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+<span class="sourceLineNo">388</span> } else if (copyType ==
BackupType.INCREMENTAL) {<a name="line.388"></a>
+<span class="sourceLineNo">389</span> LOG.debug("Doing
COPY_TYPE_DISTCP");<a name="line.389"></a>
+<span class="sourceLineNo">390</span>
setSubTaskPercntgInWholeTask(1f);<a name="line.390"></a>
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+<span class="sourceLineNo">392</span> BackupDistCp distcp =<a
name="line.392"></a>
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Configuration(conf), null, context, backupManager);<a name="line.393"></a>
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the source file is a single file.<a name="line.394"></a>
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create the target dir. It just take the<a name="line.395"></a>
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source file to the target (as a file name).<a name="line.396"></a>
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dir before run distcp.<a name="line.397"></a>
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Arrays.toString(options));<a name="line.398"></a>
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Path(options[options.length - 1]);<a name="line.399"></a>
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String[options.length + 1];<a name="line.400"></a>
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newOptions, 1, options.length);<a name="line.401"></a>
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dest.getFileSystem(conf);<a name="line.403"></a>
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+<span class="sourceLineNo">412</span> throw new IOException(e);<a
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Cluster(this.getConf());<a name="line.419"></a>
+<span class="sourceLineNo">420</span> try {<a name="line.420"></a>
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+<span class="sourceLineNo">424</span> // should we throw exception<a
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name="line.431"></a>
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