http://git-wip-us.apache.org/repos/asf/hbase-site/blob/45a663dd/devapidocs/src-html/org/apache/hadoop/hbase/master/snapshot/TakeSnapshotHandler.html
----------------------------------------------------------------------
diff --git
a/devapidocs/src-html/org/apache/hadoop/hbase/master/snapshot/TakeSnapshotHandler.html
b/devapidocs/src-html/org/apache/hadoop/hbase/master/snapshot/TakeSnapshotHandler.html
index 12c4ec2..03ef67d 100644
---
a/devapidocs/src-html/org/apache/hadoop/hbase/master/snapshot/TakeSnapshotHandler.html
+++
b/devapidocs/src-html/org/apache/hadoop/hbase/master/snapshot/TakeSnapshotHandler.html
@@ -31,314 +31,320 @@
<span class="sourceLineNo">023</span>import java.util.List;<a
name="line.23"></a>
<span class="sourceLineNo">024</span>import java.util.Set;<a
name="line.24"></a>
<span class="sourceLineNo">025</span>import
java.util.concurrent.CancellationException;<a name="line.25"></a>
-<span class="sourceLineNo">026</span><a name="line.26"></a>
-<span class="sourceLineNo">027</span>import org.apache.commons.logging.Log;<a
name="line.27"></a>
-<span class="sourceLineNo">028</span>import
org.apache.commons.logging.LogFactory;<a name="line.28"></a>
-<span class="sourceLineNo">029</span>import
org.apache.hadoop.hbase.classification.InterfaceAudience;<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.HRegionInfo;<a name="line.34"></a>
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org.apache.hadoop.hbase.HTableDescriptor;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import
org.apache.hadoop.hbase.ServerName;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>import
org.apache.hadoop.hbase.MetaTableAccessor;<a name="line.37"></a>
-<span class="sourceLineNo">038</span>import
org.apache.hadoop.hbase.errorhandling.ForeignException;<a name="line.38"></a>
-<span class="sourceLineNo">039</span>import
org.apache.hadoop.hbase.errorhandling.ForeignExceptionDispatcher;<a
name="line.39"></a>
-<span class="sourceLineNo">040</span>import
org.apache.hadoop.hbase.errorhandling.ForeignExceptionSnare;<a
name="line.40"></a>
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org.apache.hadoop.hbase.executor.EventHandler;<a name="line.41"></a>
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org.apache.hadoop.hbase.executor.EventType;<a name="line.42"></a>
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org.apache.hadoop.hbase.master.MasterServices;<a name="line.43"></a>
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org.apache.hadoop.hbase.master.MetricsSnapshot;<a name="line.44"></a>
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org.apache.hadoop.hbase.master.SnapshotSentinel;<a name="line.45"></a>
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org.apache.hadoop.hbase.master.TableLockManager;<a name="line.46"></a>
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org.apache.hadoop.hbase.master.TableLockManager.TableLock;<a name="line.47"></a>
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org.apache.hadoop.hbase.monitoring.MonitoredTask;<a name="line.48"></a>
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org.apache.hadoop.hbase.monitoring.TaskMonitor;<a name="line.49"></a>
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org.apache.hadoop.hbase.protobuf.generated.HBaseProtos.SnapshotDescription;<a
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org.apache.hadoop.hbase.snapshot.ClientSnapshotDescriptionUtils;<a
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org.apache.hadoop.hbase.snapshot.SnapshotCreationException;<a
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org.apache.hadoop.hbase.snapshot.SnapshotDescriptionUtils;<a name="line.53"></a>
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org.apache.hadoop.hbase.snapshot.SnapshotManifest;<a name="line.54"></a>
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org.apache.hadoop.hbase.util.FSUtils;<a name="line.55"></a>
-<span class="sourceLineNo">056</span>import
org.apache.hadoop.hbase.util.Pair;<a name="line.56"></a>
-<span class="sourceLineNo">057</span>import
org.apache.hadoop.hbase.zookeeper.MetaTableLocator;<a name="line.57"></a>
-<span class="sourceLineNo">058</span>import
org.apache.zookeeper.KeeperException;<a name="line.58"></a>
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-<span class="sourceLineNo">060</span>/**<a name="line.60"></a>
-<span class="sourceLineNo">061</span> * A handler for taking snapshots from
the master.<a name="line.61"></a>
-<span class="sourceLineNo">062</span> *<a name="line.62"></a>
-<span class="sourceLineNo">063</span> * This is not a subclass of
TableEventHandler because using that would incur an extra hbase:meta scan.<a
name="line.63"></a>
-<span class="sourceLineNo">064</span> *<a name="line.64"></a>
-<span class="sourceLineNo">065</span> * The {@link #snapshotRegions(List)}
call should get implemented for each snapshot flavor.<a name="line.65"></a>
-<span class="sourceLineNo">066</span> */<a name="line.66"></a>
-<span class="sourceLineNo">067</span>@InterfaceAudience.Private<a
name="line.67"></a>
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extends EventHandler implements SnapshotSentinel,<a name="line.68"></a>
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name="line.69"></a>
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LogFactory.getLog(TakeSnapshotHandler.class);<a name="line.70"></a>
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name="line.74"></a>
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master;<a name="line.75"></a>
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metricsSnapshot = new MetricsSnapshot();<a name="line.76"></a>
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snapshot;<a name="line.77"></a>
-<span class="sourceLineNo">078</span> protected final Configuration conf;<a
name="line.78"></a>
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name="line.79"></a>
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name="line.80"></a>
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name="line.81"></a>
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verifier;<a name="line.83"></a>
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ForeignExceptionDispatcher monitor;<a name="line.84"></a>
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tableLockManager;<a name="line.85"></a>
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name="line.86"></a>
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snapshotTable;<a name="line.88"></a>
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snapshotManifest;<a name="line.89"></a>
-<span class="sourceLineNo">090</span><a name="line.90"></a>
-<span class="sourceLineNo">091</span> protected HTableDescriptor htd;<a
name="line.91"></a>
+<span class="sourceLineNo">026</span>import
java.util.concurrent.locks.ReentrantLock;<a name="line.26"></a>
+<span class="sourceLineNo">027</span><a name="line.27"></a>
+<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.hbase.classification.InterfaceAudience;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import
org.apache.hadoop.conf.Configuration;<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.HRegionInfo;<a name="line.35"></a>
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org.apache.hadoop.hbase.HTableDescriptor;<a name="line.36"></a>
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org.apache.hadoop.hbase.ServerName;<a name="line.37"></a>
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org.apache.hadoop.hbase.MetaTableAccessor;<a name="line.38"></a>
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org.apache.hadoop.hbase.errorhandling.ForeignException;<a name="line.39"></a>
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org.apache.hadoop.hbase.errorhandling.ForeignExceptionDispatcher;<a
name="line.40"></a>
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org.apache.hadoop.hbase.errorhandling.ForeignExceptionSnare;<a
name="line.41"></a>
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org.apache.hadoop.hbase.executor.EventHandler;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import
org.apache.hadoop.hbase.executor.EventType;<a name="line.43"></a>
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org.apache.hadoop.hbase.master.MasterServices;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import
org.apache.hadoop.hbase.master.MetricsSnapshot;<a name="line.45"></a>
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org.apache.hadoop.hbase.master.SnapshotSentinel;<a name="line.46"></a>
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org.apache.hadoop.hbase.master.TableLockManager;<a name="line.47"></a>
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org.apache.hadoop.hbase.master.TableLockManager.TableLock;<a name="line.48"></a>
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org.apache.hadoop.hbase.monitoring.MonitoredTask;<a name="line.49"></a>
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org.apache.hadoop.hbase.monitoring.TaskMonitor;<a name="line.50"></a>
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org.apache.hadoop.hbase.protobuf.generated.HBaseProtos.SnapshotDescription;<a
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org.apache.hadoop.hbase.snapshot.ClientSnapshotDescriptionUtils;<a
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org.apache.hadoop.hbase.snapshot.SnapshotCreationException;<a
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org.apache.hadoop.hbase.snapshot.SnapshotDescriptionUtils;<a name="line.54"></a>
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org.apache.hadoop.hbase.snapshot.SnapshotManifest;<a name="line.55"></a>
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org.apache.hadoop.hbase.util.FSUtils;<a name="line.56"></a>
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org.apache.hadoop.hbase.util.Pair;<a name="line.57"></a>
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org.apache.hadoop.hbase.zookeeper.MetaTableLocator;<a name="line.58"></a>
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org.apache.zookeeper.KeeperException;<a name="line.59"></a>
+<span class="sourceLineNo">060</span><a name="line.60"></a>
+<span class="sourceLineNo">061</span>/**<a name="line.61"></a>
+<span class="sourceLineNo">062</span> * A handler for taking snapshots from
the master.<a name="line.62"></a>
+<span class="sourceLineNo">063</span> *<a name="line.63"></a>
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TableEventHandler because using that would incur an extra hbase:meta scan.<a
name="line.64"></a>
+<span class="sourceLineNo">065</span> *<a name="line.65"></a>
+<span class="sourceLineNo">066</span> * The {@link #snapshotRegions(List)}
call should get implemented for each snapshot flavor.<a name="line.66"></a>
+<span class="sourceLineNo">067</span> */<a name="line.67"></a>
+<span class="sourceLineNo">068</span>@InterfaceAudience.Private<a
name="line.68"></a>
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extends EventHandler implements SnapshotSentinel,<a name="line.69"></a>
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name="line.70"></a>
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LogFactory.getLog(TakeSnapshotHandler.class);<a name="line.71"></a>
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name="line.73"></a>
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+<span class="sourceLineNo">075</span> // none of these should ever be null<a
name="line.75"></a>
+<span class="sourceLineNo">076</span> protected final MasterServices
master;<a name="line.76"></a>
+<span class="sourceLineNo">077</span> protected final MetricsSnapshot
metricsSnapshot = new MetricsSnapshot();<a name="line.77"></a>
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snapshot;<a name="line.78"></a>
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snapshotTable;<a name="line.89"></a>
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snapshotManifest;<a name="line.90"></a>
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snapshotManager;<a name="line.91"></a>
<span class="sourceLineNo">092</span><a name="line.92"></a>
-<span class="sourceLineNo">093</span> /**<a name="line.93"></a>
-<span class="sourceLineNo">094</span> * @param snapshot descriptor of the
snapshot to take<a name="line.94"></a>
-<span class="sourceLineNo">095</span> * @param masterServices master
services provider<a name="line.95"></a>
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TakeSnapshotHandler(SnapshotDescription snapshot, final MasterServices
masterServices) {<a name="line.97"></a>
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EventType.C_M_SNAPSHOT_TABLE);<a name="line.98"></a>
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"SnapshotDescription must not be nul1";<a name="line.99"></a>
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"MasterServices must not be nul1";<a name="line.100"></a>
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-<span class="sourceLineNo">102</span> this.master = masterServices;<a
name="line.102"></a>
-<span class="sourceLineNo">103</span> this.snapshot = snapshot;<a
name="line.103"></a>
-<span class="sourceLineNo">104</span> this.snapshotTable =
TableName.valueOf(snapshot.getTable());<a name="line.104"></a>
-<span class="sourceLineNo">105</span> this.conf =
this.master.getConfiguration();<a name="line.105"></a>
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this.master.getMasterFileSystem().getFileSystem();<a name="line.106"></a>
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this.master.getMasterFileSystem().getRootDir();<a name="line.107"></a>
-<span class="sourceLineNo">108</span> this.snapshotDir =
SnapshotDescriptionUtils.getCompletedSnapshotDir(snapshot, rootDir);<a
name="line.108"></a>
-<span class="sourceLineNo">109</span> this.workingDir =
SnapshotDescriptionUtils.getWorkingSnapshotDir(snapshot, rootDir);<a
name="line.109"></a>
-<span class="sourceLineNo">110</span> this.monitor = new
ForeignExceptionDispatcher(snapshot.getName());<a name="line.110"></a>
-<span class="sourceLineNo">111</span> this.snapshotManifest =
SnapshotManifest.create(conf, fs, workingDir, snapshot, monitor);<a
name="line.111"></a>
-<span class="sourceLineNo">112</span><a name="line.112"></a>
-<span class="sourceLineNo">113</span> this.tableLockManager =
master.getTableLockManager();<a name="line.113"></a>
-<span class="sourceLineNo">114</span> this.tableLock =
this.tableLockManager.writeLock(<a name="line.114"></a>
-<span class="sourceLineNo">115</span> snapshotTable,<a
name="line.115"></a>
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EventType.C_M_SNAPSHOT_TABLE.toString());<a name="line.116"></a>
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-<span class="sourceLineNo">118</span> // prepare the verify<a
name="line.118"></a>
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MasterSnapshotVerifier(masterServices, snapshot, rootDir);<a
name="line.119"></a>
-<span class="sourceLineNo">120</span> // update the running tasks<a
name="line.120"></a>
-<span class="sourceLineNo">121</span> this.status =
TaskMonitor.get().createStatus(<a name="line.121"></a>
-<span class="sourceLineNo">122</span> "Taking " + snapshot.getType() + "
snapshot on table: " + snapshotTable);<a name="line.122"></a>
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loadTableDescriptor()<a name="line.125"></a>
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IOException {<a name="line.126"></a>
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name="line.127"></a>
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this.master.getTableDescriptors().get(snapshotTable);<a name="line.128"></a>
-<span class="sourceLineNo">129</span> if (htd == null) {<a
name="line.129"></a>
-<span class="sourceLineNo">130</span> throw new
IOException("HTableDescriptor missing for " + snapshotTable);<a
name="line.130"></a>
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throws Exception {<a name="line.135"></a>
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name="line.136"></a>
-<span class="sourceLineNo">137</span> this.tableLock.acquire(); // after
this, you should ensure to release this lock in<a name="line.137"></a>
-<span class="sourceLineNo">138</span> // case of
exceptions<a name="line.138"></a>
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name="line.139"></a>
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-<span class="sourceLineNo">141</span> this.htd = loadTableDescriptor();
// check that .tableinfo is present<a name="line.141"></a>
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name="line.142"></a>
-<span class="sourceLineNo">143</span> } finally {<a name="line.143"></a>
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name="line.144"></a>
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name="line.145"></a>
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-<span class="sourceLineNo">147</span> }<a name="line.147"></a>
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-<span class="sourceLineNo">149</span> return this;<a name="line.149"></a>
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-<span class="sourceLineNo">152</span> /**<a name="line.152"></a>
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taking a snapshot. The {@link #snapshotRegions(List)}<a name="line.153"></a>
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snapshot flavor.<a name="line.154"></a>
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@edu.umd.cs.findbugs.annotations.SuppressWarnings(value="REC_CATCH_EXCEPTION",<a
name="line.157"></a>
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name="line.159"></a>
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snapshot.getType() + " table snapshot " + snapshot.getName() + " "<a
name="line.160"></a>
-<span class="sourceLineNo">161</span> + eventType + " on table " +
snapshotTable;<a name="line.161"></a>
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-<span class="sourceLineNo">163</span> status.setStatus(msg);<a
name="line.163"></a>
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scan, the region specific snapshot should fail, triggering<a
name="line.165"></a>
-<span class="sourceLineNo">166</span> // an external exception that gets
captured here.<a name="line.166"></a>
-<span class="sourceLineNo">167</span>
SnapshotDescriptionUtils.createInProgressTag(workingDir, fs);<a
name="line.167"></a>
-<span class="sourceLineNo">168</span> // write down the snapshot info in
the working directory<a name="line.168"></a>
-<span class="sourceLineNo">169</span>
SnapshotDescriptionUtils.writeSnapshotInfo(snapshot, workingDir, fs);<a
name="line.169"></a>
-<span class="sourceLineNo">170</span>
snapshotManifest.addTableDescriptor(this.htd);<a name="line.170"></a>
-<span class="sourceLineNo">171</span> monitor.rethrowException();<a
name="line.171"></a>
+<span class="sourceLineNo">093</span> protected HTableDescriptor htd;<a
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+<span class="sourceLineNo">095</span> /**<a name="line.95"></a>
+<span class="sourceLineNo">096</span> * @param snapshot descriptor of the
snapshot to take<a name="line.96"></a>
+<span class="sourceLineNo">097</span> * @param masterServices master
services provider<a name="line.97"></a>
+<span class="sourceLineNo">098</span> */<a name="line.98"></a>
+<span class="sourceLineNo">099</span> public
TakeSnapshotHandler(SnapshotDescription snapshot, final MasterServices
masterServices,<a name="line.99"></a>
+<span class="sourceLineNo">100</span> final
SnapshotManager snapshotManager) {<a name="line.100"></a>
+<span class="sourceLineNo">101</span> super(masterServices,
EventType.C_M_SNAPSHOT_TABLE);<a name="line.101"></a>
+<span class="sourceLineNo">102</span> assert snapshot != null :
"SnapshotDescription must not be nul1";<a name="line.102"></a>
+<span class="sourceLineNo">103</span> assert masterServices != null :
"MasterServices must not be nul1";<a name="line.103"></a>
+<span class="sourceLineNo">104</span><a name="line.104"></a>
+<span class="sourceLineNo">105</span> this.master = masterServices;<a
name="line.105"></a>
+<span class="sourceLineNo">106</span> this.snapshot = snapshot;<a
name="line.106"></a>
+<span class="sourceLineNo">107</span> this.snapshotManager =
snapshotManager;<a name="line.107"></a>
+<span class="sourceLineNo">108</span> this.snapshotTable =
TableName.valueOf(snapshot.getTable());<a name="line.108"></a>
+<span class="sourceLineNo">109</span> this.conf =
this.master.getConfiguration();<a name="line.109"></a>
+<span class="sourceLineNo">110</span> this.fs =
this.master.getMasterFileSystem().getFileSystem();<a name="line.110"></a>
+<span class="sourceLineNo">111</span> this.rootDir =
this.master.getMasterFileSystem().getRootDir();<a name="line.111"></a>
+<span class="sourceLineNo">112</span> this.snapshotDir =
SnapshotDescriptionUtils.getCompletedSnapshotDir(snapshot, rootDir);<a
name="line.112"></a>
+<span class="sourceLineNo">113</span> this.workingDir =
SnapshotDescriptionUtils.getWorkingSnapshotDir(snapshot, rootDir);<a
name="line.113"></a>
+<span class="sourceLineNo">114</span> this.monitor = new
ForeignExceptionDispatcher(snapshot.getName());<a name="line.114"></a>
+<span class="sourceLineNo">115</span> this.snapshotManifest =
SnapshotManifest.create(conf, fs, workingDir, snapshot, monitor);<a
name="line.115"></a>
+<span class="sourceLineNo">116</span><a name="line.116"></a>
+<span class="sourceLineNo">117</span> this.tableLockManager =
master.getTableLockManager();<a name="line.117"></a>
+<span class="sourceLineNo">118</span> this.tableLock =
this.tableLockManager.writeLock(<a name="line.118"></a>
+<span class="sourceLineNo">119</span> snapshotTable,<a
name="line.119"></a>
+<span class="sourceLineNo">120</span>
EventType.C_M_SNAPSHOT_TABLE.toString());<a name="line.120"></a>
+<span class="sourceLineNo">121</span><a name="line.121"></a>
+<span class="sourceLineNo">122</span> // prepare the verify<a
name="line.122"></a>
+<span class="sourceLineNo">123</span> this.verifier = new
MasterSnapshotVerifier(masterServices, snapshot, rootDir);<a
name="line.123"></a>
+<span class="sourceLineNo">124</span> // update the running tasks<a
name="line.124"></a>
+<span class="sourceLineNo">125</span> this.status =
TaskMonitor.get().createStatus(<a name="line.125"></a>
+<span class="sourceLineNo">126</span> "Taking " + snapshot.getType() + "
snapshot on table: " + snapshotTable);<a name="line.126"></a>
+<span class="sourceLineNo">127</span> }<a name="line.127"></a>
+<span class="sourceLineNo">128</span><a name="line.128"></a>
+<span class="sourceLineNo">129</span> private HTableDescriptor
loadTableDescriptor()<a name="line.129"></a>
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IOException {<a name="line.130"></a>
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name="line.131"></a>
+<span class="sourceLineNo">132</span>
this.master.getTableDescriptors().get(snapshotTable);<a name="line.132"></a>
+<span class="sourceLineNo">133</span> if (htd == null) {<a
name="line.133"></a>
+<span class="sourceLineNo">134</span> throw new
IOException("HTableDescriptor missing for " + snapshotTable);<a
name="line.134"></a>
+<span class="sourceLineNo">135</span> }<a name="line.135"></a>
+<span class="sourceLineNo">136</span> return htd;<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> public TakeSnapshotHandler prepare()
throws Exception {<a name="line.139"></a>
+<span class="sourceLineNo">140</span> super.prepare();<a
name="line.140"></a>
+<span class="sourceLineNo">141</span> this.tableLock.acquire(); // after
this, you should ensure to release this lock in<a name="line.141"></a>
+<span class="sourceLineNo">142</span> // case of
exceptions<a name="line.142"></a>
+<span class="sourceLineNo">143</span> boolean success = false;<a
name="line.143"></a>
+<span class="sourceLineNo">144</span> try {<a name="line.144"></a>
+<span class="sourceLineNo">145</span> this.htd = loadTableDescriptor();
// check that .tableinfo is present<a name="line.145"></a>
+<span class="sourceLineNo">146</span> success = true;<a
name="line.146"></a>
+<span class="sourceLineNo">147</span> } finally {<a name="line.147"></a>
+<span class="sourceLineNo">148</span> if (!success) {<a
name="line.148"></a>
+<span class="sourceLineNo">149</span> releaseTableLock();<a
name="line.149"></a>
+<span class="sourceLineNo">150</span> }<a name="line.150"></a>
+<span class="sourceLineNo">151</span> }<a name="line.151"></a>
+<span class="sourceLineNo">152</span><a name="line.152"></a>
+<span class="sourceLineNo">153</span> return this;<a name="line.153"></a>
+<span class="sourceLineNo">154</span> }<a name="line.154"></a>
+<span class="sourceLineNo">155</span><a name="line.155"></a>
+<span class="sourceLineNo">156</span> /**<a name="line.156"></a>
+<span class="sourceLineNo">157</span> * Execute the core common portions of
taking a snapshot. The {@link #snapshotRegions(List)}<a name="line.157"></a>
+<span class="sourceLineNo">158</span> * call should get implemented for each
snapshot flavor.<a name="line.158"></a>
+<span class="sourceLineNo">159</span> */<a name="line.159"></a>
+<span class="sourceLineNo">160</span> @Override<a name="line.160"></a>
+<span class="sourceLineNo">161</span>
@edu.umd.cs.findbugs.annotations.SuppressWarnings(value="REC_CATCH_EXCEPTION",<a
name="line.161"></a>
+<span class="sourceLineNo">162</span> justification="Intentional")<a
name="line.162"></a>
+<span class="sourceLineNo">163</span> public void process() {<a
name="line.163"></a>
+<span class="sourceLineNo">164</span> String msg = "Running " +
snapshot.getType() + " table snapshot " + snapshot.getName() + " "<a
name="line.164"></a>
+<span class="sourceLineNo">165</span> + eventType + " on table " +
snapshotTable;<a name="line.165"></a>
+<span class="sourceLineNo">166</span> LOG.info(msg);<a name="line.166"></a>
+<span class="sourceLineNo">167</span> ReentrantLock lock =
snapshotManager.getLocks().acquireLock(snapshot.getName());<a
name="line.167"></a>
+<span class="sourceLineNo">168</span> status.setStatus(msg);<a
name="line.168"></a>
+<span class="sourceLineNo">169</span> try {<a name="line.169"></a>
+<span class="sourceLineNo">170</span> // If regions move after this meta
scan, the region specific snapshot should fail, triggering<a
name="line.170"></a>
+<span class="sourceLineNo">171</span> // an external exception that gets
captured here.<a name="line.171"></a>
<span class="sourceLineNo">172</span><a name="line.172"></a>
-<span class="sourceLineNo">173</span> List<Pair<HRegionInfo,
ServerName>> regionsAndLocations;<a name="line.173"></a>
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(TableName.META_TABLE_NAME.equals(snapshotTable)) {<a name="line.174"></a>
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MetaTableLocator().getMetaRegionsAndLocations(<a name="line.175"></a>
-<span class="sourceLineNo">176</span> server.getZooKeeper());<a
name="line.176"></a>
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MetaTableAccessor.getTableRegionsAndLocations(<a name="line.178"></a>
-<span class="sourceLineNo">179</span> server.getConnection(),
snapshotTable, false);<a name="line.179"></a>
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-<span class="sourceLineNo">182</span> // run the snapshot<a
name="line.182"></a>
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snapshotRegions(regionsAndLocations);<a name="line.183"></a>
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name="line.184"></a>
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-<span class="sourceLineNo">186</span> // extract each pair to separate
lists<a name="line.186"></a>
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HashSet<String>();<a name="line.187"></a>
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ServerName> p : regionsAndLocations) {<a name="line.188"></a>
-<span class="sourceLineNo">189</span> if (p != null &&
p.getFirst() != null && p.getSecond() != null) {<a name="line.189"></a>
-<span class="sourceLineNo">190</span> HRegionInfo hri =
p.getFirst();<a name="line.190"></a>
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(hri.isSplit() || hri.isSplitParent())) continue;<a name="line.191"></a>
-<span class="sourceLineNo">192</span>
serverNames.add(p.getSecond().toString());<a name="line.192"></a>
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-<span class="sourceLineNo">194</span> }<a name="line.194"></a>
-<span class="sourceLineNo">195</span><a name="line.195"></a>
-<span class="sourceLineNo">196</span> // flush the in-memory state, and
write the single manifest<a name="line.196"></a>
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snapshot: " + snapshot.getName());<a name="line.197"></a>
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name="line.198"></a>
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-<span class="sourceLineNo">200</span> // verify the snapshot is valid<a
name="line.200"></a>
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snapshot: " + snapshot.getName());<a name="line.201"></a>
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verifier.verifySnapshot(this.workingDir, serverNames);<a name="line.202"></a>
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-<span class="sourceLineNo">204</span> // complete the snapshot,
atomically moving from tmp to .snapshot dir.<a name="line.204"></a>
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this.workingDir, this.fs);<a name="line.205"></a>
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snapshot.getName() + " of table " + snapshotTable + " completed";<a
name="line.206"></a>
-<span class="sourceLineNo">207</span> status.markComplete(msg);<a
name="line.207"></a>
-<span class="sourceLineNo">208</span> LOG.info(msg);<a
name="line.208"></a>
-<span class="sourceLineNo">209</span>
metricsSnapshot.addSnapshot(status.getCompletionTimestamp() -
status.getStartTime());<a name="line.209"></a>
-<span class="sourceLineNo">210</span> } catch (Exception e) { // FindBugs:
REC_CATCH_EXCEPTION<a name="line.210"></a>
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snapshot " + snapshot.getName() + " on table " +<a name="line.211"></a>
-<span class="sourceLineNo">212</span> snapshotTable + " because " +
e.getMessage());<a name="line.212"></a>
-<span class="sourceLineNo">213</span> String reason = "Failed taking
snapshot " + ClientSnapshotDescriptionUtils.toString(snapshot)<a
name="line.213"></a>
-<span class="sourceLineNo">214</span> + " due to exception:" +
e.getMessage();<a name="line.214"></a>
-<span class="sourceLineNo">215</span> LOG.error(reason, e);<a
name="line.215"></a>
-<span class="sourceLineNo">216</span> ForeignException ee = new
ForeignException(reason, e);<a name="line.216"></a>
-<span class="sourceLineNo">217</span> monitor.receive(ee);<a
name="line.217"></a>
-<span class="sourceLineNo">218</span> // need to mark this completed to
close off and allow cleanup to happen.<a name="line.218"></a>
-<span class="sourceLineNo">219</span> cancel(reason);<a
name="line.219"></a>
-<span class="sourceLineNo">220</span> } finally {<a name="line.220"></a>
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working dir:" + workingDir);<a name="line.221"></a>
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-<span class="sourceLineNo">223</span> // if the working dir is still
present, the snapshot has failed. it is present we delete<a
name="line.223"></a>
-<span class="sourceLineNo">224</span> // it.<a name="line.224"></a>
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&& !this.fs.delete(workingDir, true)) {<a name="line.225"></a>
-<span class="sourceLineNo">226</span> LOG.error("Couldn't delete
snapshot working directory:" + workingDir);<a name="line.226"></a>
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name="line.228"></a>
-<span class="sourceLineNo">229</span> LOG.error("Couldn't delete
snapshot working directory:" + workingDir);<a name="line.229"></a>
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name="line.231"></a>
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name="line.235"></a>
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name="line.236"></a>
-<span class="sourceLineNo">237</span> try {<a name="line.237"></a>
-<span class="sourceLineNo">238</span> this.tableLock.release();<a
name="line.238"></a>
-<span class="sourceLineNo">239</span> } catch (IOException ex) {<a
name="line.239"></a>
-<span class="sourceLineNo">240</span> LOG.warn("Could not release the
table lock", ex);<a name="line.240"></a>
-<span class="sourceLineNo">241</span> }<a name="line.241"></a>
-<span class="sourceLineNo">242</span> }<a name="line.242"></a>
-<span class="sourceLineNo">243</span> }<a name="line.243"></a>
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-<span class="sourceLineNo">245</span> /**<a name="line.245"></a>
-<span class="sourceLineNo">246</span> * Reset the manager to allow another
snapshot to proceed<a name="line.246"></a>
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snapshot<a name="line.248"></a>
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the in progress snapshot was built<a name="line.249"></a>
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the snapshot was built<a name="line.250"></a>
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the snapshot could not be moved<a name="line.251"></a>
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could not be reached<a name="line.252"></a>
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snapshotDir, Path workingDir, FileSystem fs)<a name="line.254"></a>
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IOException {<a name="line.255"></a>
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moving the snapshot from " + workingDir + " to "<a name="line.256"></a>
-<span class="sourceLineNo">257</span> + snapshotDir);<a
name="line.257"></a>
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snapshotDir)) {<a name="line.258"></a>
-<span class="sourceLineNo">259</span> throw new
SnapshotCreationException("Failed to move working directory(" + workingDir<a
name="line.259"></a>
-<span class="sourceLineNo">260</span> + ") to completed directory(" +
snapshotDir + ").");<a name="line.260"></a>
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name="line.262"></a>
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-<span class="sourceLineNo">265</span> /**<a name="line.265"></a>
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name="line.266"></a>
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snapshotRegions(List<Pair<HRegionInfo, ServerName>> regions)<a
name="line.268"></a>
-<span class="sourceLineNo">269</span> throws IOException,
KeeperException;<a name="line.269"></a>
+<span class="sourceLineNo">173</span> // write down the snapshot info in
the working directory<a name="line.173"></a>
+<span class="sourceLineNo">174</span>
SnapshotDescriptionUtils.writeSnapshotInfo(snapshot, workingDir, fs);<a
name="line.174"></a>
+<span class="sourceLineNo">175</span>
snapshotManifest.addTableDescriptor(this.htd);<a name="line.175"></a>
+<span class="sourceLineNo">176</span> monitor.rethrowException();<a
name="line.176"></a>
+<span class="sourceLineNo">177</span><a name="line.177"></a>
+<span class="sourceLineNo">178</span> List<Pair<HRegionInfo,
ServerName>> regionsAndLocations;<a name="line.178"></a>
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(TableName.META_TABLE_NAME.equals(snapshotTable)) {<a name="line.179"></a>
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MetaTableLocator().getMetaRegionsAndLocations(<a name="line.180"></a>
+<span class="sourceLineNo">181</span> server.getZooKeeper());<a
name="line.181"></a>
+<span class="sourceLineNo">182</span> } else {<a name="line.182"></a>
+<span class="sourceLineNo">183</span> regionsAndLocations =
MetaTableAccessor.getTableRegionsAndLocations(<a name="line.183"></a>
+<span class="sourceLineNo">184</span> server.getConnection(),
snapshotTable, false);<a name="line.184"></a>
+<span class="sourceLineNo">185</span> }<a name="line.185"></a>
+<span class="sourceLineNo">186</span><a name="line.186"></a>
+<span class="sourceLineNo">187</span> // run the snapshot<a
name="line.187"></a>
+<span class="sourceLineNo">188</span>
snapshotRegions(regionsAndLocations);<a name="line.188"></a>
+<span class="sourceLineNo">189</span> monitor.rethrowException();<a
name="line.189"></a>
+<span class="sourceLineNo">190</span><a name="line.190"></a>
+<span class="sourceLineNo">191</span> // extract each pair to separate
lists<a name="line.191"></a>
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HashSet<String>();<a name="line.192"></a>
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ServerName> p : regionsAndLocations) {<a name="line.193"></a>
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p.getFirst() != null && p.getSecond() != null) {<a name="line.194"></a>
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p.getFirst();<a name="line.195"></a>
+<span class="sourceLineNo">196</span> if (hri.isOffline() &&
(hri.isSplit() || hri.isSplitParent())) continue;<a name="line.196"></a>
+<span class="sourceLineNo">197</span>
serverNames.add(p.getSecond().toString());<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><a name="line.200"></a>
+<span class="sourceLineNo">201</span> // flush the in-memory state, and
write the single manifest<a name="line.201"></a>
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snapshot: " + snapshot.getName());<a name="line.202"></a>
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name="line.203"></a>
+<span class="sourceLineNo">204</span><a name="line.204"></a>
+<span class="sourceLineNo">205</span> // verify the snapshot is valid<a
name="line.205"></a>
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snapshot: " + snapshot.getName());<a name="line.206"></a>
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verifier.verifySnapshot(this.workingDir, serverNames);<a name="line.207"></a>
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+<span class="sourceLineNo">209</span> // complete the snapshot,
atomically moving from tmp to .snapshot dir.<a name="line.209"></a>
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this.workingDir, this.fs);<a name="line.210"></a>
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snapshot.getName() + " of table " + snapshotTable + " completed";<a
name="line.211"></a>
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name="line.212"></a>
+<span class="sourceLineNo">213</span> LOG.info(msg);<a
name="line.213"></a>
+<span class="sourceLineNo">214</span>
metricsSnapshot.addSnapshot(status.getCompletionTimestamp() -
status.getStartTime());<a name="line.214"></a>
+<span class="sourceLineNo">215</span> } catch (Exception e) { // FindBugs:
REC_CATCH_EXCEPTION<a name="line.215"></a>
+<span class="sourceLineNo">216</span> status.abort("Failed to complete
snapshot " + snapshot.getName() + " on table " +<a name="line.216"></a>
+<span class="sourceLineNo">217</span> snapshotTable + " because " +
e.getMessage());<a name="line.217"></a>
+<span class="sourceLineNo">218</span> String reason = "Failed taking
snapshot " + ClientSnapshotDescriptionUtils.toString(snapshot)<a
name="line.218"></a>
+<span class="sourceLineNo">219</span> + " due to exception:" +
e.getMessage();<a name="line.219"></a>
+<span class="sourceLineNo">220</span> LOG.error(reason, e);<a
name="line.220"></a>
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ForeignException(reason, e);<a name="line.221"></a>
+<span class="sourceLineNo">222</span> monitor.receive(ee);<a
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+<span class="sourceLineNo">223</span> // need to mark this completed to
close off and allow cleanup to happen.<a name="line.223"></a>
+<span class="sourceLineNo">224</span> cancel(reason);<a
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