[14/28] hbase-site git commit: Published site at 8d7061a487357344f10ee260979cc2c47cd833dd.

[git-site-role]

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/2e694a8e/devapidocs/src-html/org/apache/hadoop/hbase/master/snapshot/SnapshotManager.html
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diff --git 
a/devapidocs/src-html/org/apache/hadoop/hbase/master/snapshot/SnapshotManager.html
 
b/devapidocs/src-html/org/apache/hadoop/hbase/master/snapshot/SnapshotManager.html
index bb24e1f..de5c849 100644
--- 
a/devapidocs/src-html/org/apache/hadoop/hbase/master/snapshot/SnapshotManager.html
+++ 
b/devapidocs/src-html/org/apache/hadoop/hbase/master/snapshot/SnapshotManager.html
@@ -35,1192 +35,1193 @@
 <span class="sourceLineNo">027</span>import java.util.List;<a 
name="line.27"></a>
 <span class="sourceLineNo">028</span>import java.util.Map;<a 
name="line.28"></a>
 <span class="sourceLineNo">029</span>import java.util.Set;<a 
name="line.29"></a>
-<span class="sourceLineNo">030</span>import 
java.util.concurrent.ThreadPoolExecutor;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import 
java.util.concurrent.locks.ReadWriteLock;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import 
java.util.concurrent.locks.ReentrantReadWriteLock;<a name="line.32"></a>
-<span class="sourceLineNo">033</span><a name="line.33"></a>
-<span class="sourceLineNo">034</span>import 
org.apache.hadoop.conf.Configuration;<a name="line.34"></a>
-<span class="sourceLineNo">035</span>import 
org.apache.hadoop.fs.FSDataInputStream;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import org.apache.hadoop.fs.FileStatus;<a 
name="line.36"></a>
-<span class="sourceLineNo">037</span>import org.apache.hadoop.fs.FileSystem;<a 
name="line.37"></a>
-<span class="sourceLineNo">038</span>import org.apache.hadoop.fs.Path;<a 
name="line.38"></a>
-<span class="sourceLineNo">039</span>import 
org.apache.hadoop.hbase.HBaseInterfaceAudience;<a name="line.39"></a>
-<span class="sourceLineNo">040</span>import 
org.apache.hadoop.hbase.HConstants;<a name="line.40"></a>
-<span class="sourceLineNo">041</span>import 
org.apache.hadoop.hbase.MetaTableAccessor;<a name="line.41"></a>
-<span class="sourceLineNo">042</span>import 
org.apache.hadoop.hbase.Stoppable;<a name="line.42"></a>
-<span class="sourceLineNo">043</span>import 
org.apache.hadoop.hbase.TableName;<a name="line.43"></a>
-<span class="sourceLineNo">044</span>import 
org.apache.hadoop.hbase.client.TableDescriptor;<a name="line.44"></a>
-<span class="sourceLineNo">045</span>import 
org.apache.hadoop.hbase.client.TableDescriptorBuilder;<a name="line.45"></a>
-<span class="sourceLineNo">046</span>import 
org.apache.hadoop.hbase.client.TableState;<a name="line.46"></a>
-<span class="sourceLineNo">047</span>import 
org.apache.hadoop.hbase.errorhandling.ForeignException;<a name="line.47"></a>
-<span class="sourceLineNo">048</span>import 
org.apache.hadoop.hbase.executor.ExecutorService;<a name="line.48"></a>
-<span class="sourceLineNo">049</span>import 
org.apache.hadoop.hbase.ipc.RpcServer;<a name="line.49"></a>
-<span class="sourceLineNo">050</span>import 
org.apache.hadoop.hbase.master.MasterCoprocessorHost;<a name="line.50"></a>
-<span class="sourceLineNo">051</span>import 
org.apache.hadoop.hbase.master.MasterFileSystem;<a name="line.51"></a>
-<span class="sourceLineNo">052</span>import 
org.apache.hadoop.hbase.master.MasterServices;<a name="line.52"></a>
-<span class="sourceLineNo">053</span>import 
org.apache.hadoop.hbase.master.MetricsMaster;<a name="line.53"></a>
-<span class="sourceLineNo">054</span>import 
org.apache.hadoop.hbase.master.SnapshotSentinel;<a name="line.54"></a>
-<span class="sourceLineNo">055</span>import 
org.apache.hadoop.hbase.master.cleaner.HFileCleaner;<a name="line.55"></a>
-<span class="sourceLineNo">056</span>import 
org.apache.hadoop.hbase.master.cleaner.HFileLinkCleaner;<a name="line.56"></a>
-<span class="sourceLineNo">057</span>import 
org.apache.hadoop.hbase.master.procedure.CloneSnapshotProcedure;<a 
name="line.57"></a>
-<span class="sourceLineNo">058</span>import 
org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv;<a 
name="line.58"></a>
-<span class="sourceLineNo">059</span>import 
org.apache.hadoop.hbase.master.procedure.RestoreSnapshotProcedure;<a 
name="line.59"></a>
-<span class="sourceLineNo">060</span>import 
org.apache.hadoop.hbase.procedure.MasterProcedureManager;<a name="line.60"></a>
-<span class="sourceLineNo">061</span>import 
org.apache.hadoop.hbase.procedure.Procedure;<a name="line.61"></a>
-<span class="sourceLineNo">062</span>import 
org.apache.hadoop.hbase.procedure.ProcedureCoordinator;<a name="line.62"></a>
-<span class="sourceLineNo">063</span>import 
org.apache.hadoop.hbase.procedure.ProcedureCoordinatorRpcs;<a 
name="line.63"></a>
-<span class="sourceLineNo">064</span>import 
org.apache.hadoop.hbase.procedure.ZKProcedureCoordinator;<a name="line.64"></a>
-<span class="sourceLineNo">065</span>import 
org.apache.hadoop.hbase.procedure2.ProcedureExecutor;<a name="line.65"></a>
-<span class="sourceLineNo">066</span>import 
org.apache.hadoop.hbase.security.AccessDeniedException;<a name="line.66"></a>
-<span class="sourceLineNo">067</span>import 
org.apache.hadoop.hbase.security.User;<a name="line.67"></a>
-<span class="sourceLineNo">068</span>import 
org.apache.hadoop.hbase.security.access.AccessChecker;<a name="line.68"></a>
-<span class="sourceLineNo">069</span>import 
org.apache.hadoop.hbase.snapshot.ClientSnapshotDescriptionUtils;<a 
name="line.69"></a>
-<span class="sourceLineNo">070</span>import 
org.apache.hadoop.hbase.snapshot.HBaseSnapshotException;<a name="line.70"></a>
-<span class="sourceLineNo">071</span>import 
org.apache.hadoop.hbase.snapshot.RestoreSnapshotException;<a name="line.71"></a>
-<span class="sourceLineNo">072</span>import 
org.apache.hadoop.hbase.snapshot.SnapshotCreationException;<a 
name="line.72"></a>
-<span class="sourceLineNo">073</span>import 
org.apache.hadoop.hbase.snapshot.SnapshotDescriptionUtils;<a name="line.73"></a>
-<span class="sourceLineNo">074</span>import 
org.apache.hadoop.hbase.snapshot.SnapshotDoesNotExistException;<a 
name="line.74"></a>
-<span class="sourceLineNo">075</span>import 
org.apache.hadoop.hbase.snapshot.SnapshotExistsException;<a name="line.75"></a>
-<span class="sourceLineNo">076</span>import 
org.apache.hadoop.hbase.snapshot.SnapshotManifest;<a name="line.76"></a>
-<span class="sourceLineNo">077</span>import 
org.apache.hadoop.hbase.snapshot.SnapshotReferenceUtil;<a name="line.77"></a>
-<span class="sourceLineNo">078</span>import 
org.apache.hadoop.hbase.snapshot.TablePartiallyOpenException;<a 
name="line.78"></a>
-<span class="sourceLineNo">079</span>import 
org.apache.hadoop.hbase.snapshot.UnknownSnapshotException;<a name="line.79"></a>
-<span class="sourceLineNo">080</span>import 
org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.80"></a>
-<span class="sourceLineNo">081</span>import 
org.apache.hadoop.hbase.util.FSUtils;<a name="line.81"></a>
-<span class="sourceLineNo">082</span>import 
org.apache.hadoop.hbase.util.NonceKey;<a name="line.82"></a>
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org.apache.yetus.audience.InterfaceAudience;<a name="line.83"></a>
-<span class="sourceLineNo">084</span>import 
org.apache.yetus.audience.InterfaceStability;<a name="line.84"></a>
-<span class="sourceLineNo">085</span>import 
org.apache.zookeeper.KeeperException;<a name="line.85"></a>
-<span class="sourceLineNo">086</span>import org.slf4j.Logger;<a 
name="line.86"></a>
-<span class="sourceLineNo">087</span>import org.slf4j.LoggerFactory;<a 
name="line.87"></a>
-<span class="sourceLineNo">088</span>import 
org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.88"></a>
-<span class="sourceLineNo">089</span>import 
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.NameStringPair;<a 
name="line.89"></a>
-<span class="sourceLineNo">090</span>import 
org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.ProcedureDescription;<a
 name="line.90"></a>
-<span class="sourceLineNo">091</span>import 
org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.SnapshotDescription;<a
 name="line.91"></a>
-<span class="sourceLineNo">092</span>import 
org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.SnapshotDescription.Type;<a
 name="line.92"></a>
-<span class="sourceLineNo">093</span><a name="line.93"></a>
-<span class="sourceLineNo">094</span>/**<a name="line.94"></a>
-<span class="sourceLineNo">095</span> * This class manages the procedure of 
taking and restoring snapshots. There is only one<a name="line.95"></a>
-<span class="sourceLineNo">096</span> * SnapshotManager for the master.<a 
name="line.96"></a>
-<span class="sourceLineNo">097</span> * &lt;p&gt;<a name="line.97"></a>
-<span class="sourceLineNo">098</span> * The class provides methods for 
monitoring in-progress snapshot actions.<a name="line.98"></a>
-<span class="sourceLineNo">099</span> * &lt;p&gt;<a name="line.99"></a>
-<span class="sourceLineNo">100</span> * Note: Currently there can only be one 
snapshot being taken at a time over the cluster. This is a<a 
name="line.100"></a>
-<span class="sourceLineNo">101</span> * simplification in the current 
implementation.<a name="line.101"></a>
-<span class="sourceLineNo">102</span> */<a name="line.102"></a>
-<span 
class="sourceLineNo">103</span>@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.CONFIG)<a
 name="line.103"></a>
-<span class="sourceLineNo">104</span>@InterfaceStability.Unstable<a 
name="line.104"></a>
-<span class="sourceLineNo">105</span>public class SnapshotManager extends 
MasterProcedureManager implements Stoppable {<a name="line.105"></a>
-<span class="sourceLineNo">106</span>  private static final Logger LOG = 
LoggerFactory.getLogger(SnapshotManager.class);<a name="line.106"></a>
-<span class="sourceLineNo">107</span><a name="line.107"></a>
-<span class="sourceLineNo">108</span>  /** By default, check to see if the 
snapshot is complete every WAKE MILLIS (ms) */<a name="line.108"></a>
-<span class="sourceLineNo">109</span>  private static final int 
SNAPSHOT_WAKE_MILLIS_DEFAULT = 500;<a name="line.109"></a>
-<span class="sourceLineNo">110</span><a name="line.110"></a>
-<span class="sourceLineNo">111</span>  /**<a name="line.111"></a>
-<span class="sourceLineNo">112</span>   * Wait time before removing a finished 
sentinel from the in-progress map<a name="line.112"></a>
-<span class="sourceLineNo">113</span>   *<a name="line.113"></a>
-<span class="sourceLineNo">114</span>   * NOTE: This is used as a safety auto 
cleanup.<a name="line.114"></a>
-<span class="sourceLineNo">115</span>   * The snapshot and restore handlers 
map entries are removed when a user asks if a snapshot or<a name="line.115"></a>
-<span class="sourceLineNo">116</span>   * restore is completed. This operation 
is part of the HBaseAdmin snapshot/restore API flow.<a name="line.116"></a>
-<span class="sourceLineNo">117</span>   * In case something fails on the 
client side and the snapshot/restore state is not reclaimed<a 
name="line.117"></a>
-<span class="sourceLineNo">118</span>   * after a default timeout, the entry 
is removed from the in-progress map.<a name="line.118"></a>
-<span class="sourceLineNo">119</span>   * At this point, if the user asks for 
the snapshot/restore status, the result will be<a name="line.119"></a>
-<span class="sourceLineNo">120</span>   * snapshot done if exists or failed if 
it doesn't exists.<a name="line.120"></a>
-<span class="sourceLineNo">121</span>   */<a name="line.121"></a>
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SNAPSHOT_SENTINELS_CLEANUP_TIMEOUT = 60 * 1000;<a name="line.122"></a>
-<span class="sourceLineNo">123</span><a name="line.123"></a>
-<span class="sourceLineNo">124</span>  /** Enable or disable snapshot support 
*/<a name="line.124"></a>
-<span class="sourceLineNo">125</span>  public static final String 
HBASE_SNAPSHOT_ENABLED = "hbase.snapshot.enabled";<a name="line.125"></a>
-<span class="sourceLineNo">126</span><a name="line.126"></a>
-<span class="sourceLineNo">127</span>  /**<a name="line.127"></a>
-<span class="sourceLineNo">128</span>   * Conf key for # of ms elapsed between 
checks for snapshot errors while waiting for<a name="line.128"></a>
-<span class="sourceLineNo">129</span>   * completion.<a name="line.129"></a>
-<span class="sourceLineNo">130</span>   */<a name="line.130"></a>
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SNAPSHOT_WAKE_MILLIS_KEY = "hbase.snapshot.master.wakeMillis";<a 
name="line.131"></a>
-<span class="sourceLineNo">132</span><a name="line.132"></a>
-<span class="sourceLineNo">133</span>  /** Name of the operation to use in the 
controller */<a name="line.133"></a>
-<span class="sourceLineNo">134</span>  public static final String 
ONLINE_SNAPSHOT_CONTROLLER_DESCRIPTION = "online-snapshot";<a 
name="line.134"></a>
-<span class="sourceLineNo">135</span><a name="line.135"></a>
-<span class="sourceLineNo">136</span>  /** Conf key for # of threads used by 
the SnapshotManager thread pool */<a name="line.136"></a>
-<span class="sourceLineNo">137</span>  private static final String 
SNAPSHOT_POOL_THREADS_KEY = "hbase.snapshot.master.threads";<a 
name="line.137"></a>
-<span class="sourceLineNo">138</span><a name="line.138"></a>
-<span class="sourceLineNo">139</span>  /** number of current operations 
running on the master */<a name="line.139"></a>
-<span class="sourceLineNo">140</span>  private static final int 
SNAPSHOT_POOL_THREADS_DEFAULT = 1;<a name="line.140"></a>
-<span class="sourceLineNo">141</span><a name="line.141"></a>
-<span class="sourceLineNo">142</span>  private boolean stopped;<a 
name="line.142"></a>
-<span class="sourceLineNo">143</span>  private MasterServices master;  // 
Needed by TableEventHandlers<a name="line.143"></a>
-<span class="sourceLineNo">144</span>  private ProcedureCoordinator 
coordinator;<a name="line.144"></a>
-<span class="sourceLineNo">145</span><a name="line.145"></a>
-<span class="sourceLineNo">146</span>  // Is snapshot feature enabled?<a 
name="line.146"></a>
-<span class="sourceLineNo">147</span>  private boolean isSnapshotSupported = 
false;<a name="line.147"></a>
-<span class="sourceLineNo">148</span><a name="line.148"></a>
-<span class="sourceLineNo">149</span>  // Snapshot handlers map, with table 
name as key.<a name="line.149"></a>
-<span class="sourceLineNo">150</span>  // The map is always accessed and 
modified under the object lock using synchronized.<a name="line.150"></a>
-<span class="sourceLineNo">151</span>  // snapshotTable() will insert an 
Handler in the table.<a name="line.151"></a>
-<span class="sourceLineNo">152</span>  // isSnapshotDone() will remove the 
handler requested if the operation is finished.<a name="line.152"></a>
-<span class="sourceLineNo">153</span>  private Map&lt;TableName, 
SnapshotSentinel&gt; snapshotHandlers = new HashMap&lt;&gt;();<a 
name="line.153"></a>
-<span class="sourceLineNo">154</span><a name="line.154"></a>
-<span class="sourceLineNo">155</span>  // Restore map, with table name as key, 
procedure ID as value.<a name="line.155"></a>
-<span class="sourceLineNo">156</span>  // The map is always accessed and 
modified under the object lock using synchronized.<a name="line.156"></a>
-<span class="sourceLineNo">157</span>  // restoreSnapshot()/cloneSnapshot() 
will insert a procedure ID in the map.<a name="line.157"></a>
-<span class="sourceLineNo">158</span>  //<a name="line.158"></a>
-<span class="sourceLineNo">159</span>  // TODO: just as the Apache HBase 1.x 
implementation, this map would not survive master<a name="line.159"></a>
-<span class="sourceLineNo">160</span>  // restart/failover. This is just a 
stopgap implementation until implementation of taking<a name="line.160"></a>
-<span class="sourceLineNo">161</span>  // snapshot using Procedure-V2.<a 
name="line.161"></a>
-<span class="sourceLineNo">162</span>  private Map&lt;TableName, Long&gt; 
restoreTableToProcIdMap = new HashMap&lt;&gt;();<a name="line.162"></a>
-<span class="sourceLineNo">163</span><a name="line.163"></a>
-<span class="sourceLineNo">164</span>  private Path rootDir;<a 
name="line.164"></a>
-<span class="sourceLineNo">165</span>  private ExecutorService 
executorService;<a name="line.165"></a>
-<span class="sourceLineNo">166</span><a name="line.166"></a>
-<span class="sourceLineNo">167</span>  /**<a name="line.167"></a>
-<span class="sourceLineNo">168</span>   * Read write lock between taking 
snapshot and snapshot HFile cleaner. The cleaner should skip to<a 
name="line.168"></a>
-<span class="sourceLineNo">169</span>   * check the HFiles if any snapshot is 
in progress, otherwise it may clean a HFile which would<a name="line.169"></a>
-<span class="sourceLineNo">170</span>   * belongs to the newly creating 
snapshot. So we should grab the write lock first when cleaner<a 
name="line.170"></a>
-<span class="sourceLineNo">171</span>   * start to work. (See HBASE-21387)<a 
name="line.171"></a>
-<span class="sourceLineNo">172</span>   */<a name="line.172"></a>
-<span class="sourceLineNo">173</span>  private ReentrantReadWriteLock 
takingSnapshotLock = new ReentrantReadWriteLock(true);<a name="line.173"></a>
-<span class="sourceLineNo">174</span><a name="line.174"></a>
-<span class="sourceLineNo">175</span>  public SnapshotManager() {}<a 
name="line.175"></a>
-<span class="sourceLineNo">176</span><a name="line.176"></a>
-<span class="sourceLineNo">177</span>  /**<a name="line.177"></a>
-<span class="sourceLineNo">178</span>   * Fully specify all necessary 
components of a snapshot manager. Exposed for testing.<a name="line.178"></a>
-<span class="sourceLineNo">179</span>   * @param master services for the 
master where the manager is running<a name="line.179"></a>
-<span class="sourceLineNo">180</span>   * @param coordinator procedure 
coordinator instance.  exposed for testing.<a name="line.180"></a>
-<span class="sourceLineNo">181</span>   * @param pool HBase ExecutorServcie 
instance, exposed for testing.<a name="line.181"></a>
-<span class="sourceLineNo">182</span>   */<a name="line.182"></a>
-<span class="sourceLineNo">183</span>  public SnapshotManager(final 
MasterServices master, final MetricsMaster metricsMaster,<a name="line.183"></a>
-<span class="sourceLineNo">184</span>      ProcedureCoordinator coordinator, 
ExecutorService pool)<a name="line.184"></a>
-<span class="sourceLineNo">185</span>      throws IOException, 
UnsupportedOperationException {<a name="line.185"></a>
-<span class="sourceLineNo">186</span>    this.master = master;<a 
name="line.186"></a>
-<span class="sourceLineNo">187</span><a name="line.187"></a>
-<span class="sourceLineNo">188</span>    this.rootDir = 
master.getMasterFileSystem().getRootDir();<a name="line.188"></a>
-<span class="sourceLineNo">189</span>    
checkSnapshotSupport(master.getConfiguration(), 
master.getMasterFileSystem());<a name="line.189"></a>
-<span class="sourceLineNo">190</span><a name="line.190"></a>
-<span class="sourceLineNo">191</span>    this.coordinator = coordinator;<a 
name="line.191"></a>
-<span class="sourceLineNo">192</span>    this.executorService = pool;<a 
name="line.192"></a>
-<span class="sourceLineNo">193</span>    resetTempDir();<a name="line.193"></a>
-<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>  /**<a name="line.196"></a>
-<span class="sourceLineNo">197</span>   * Gets the list of all completed 
snapshots.<a name="line.197"></a>
-<span class="sourceLineNo">198</span>   * @return list of 
SnapshotDescriptions<a name="line.198"></a>
-<span class="sourceLineNo">199</span>   * @throws IOException File system 
exception<a name="line.199"></a>
-<span class="sourceLineNo">200</span>   */<a name="line.200"></a>
-<span class="sourceLineNo">201</span>  public List&lt;SnapshotDescription&gt; 
getCompletedSnapshots() throws IOException {<a name="line.201"></a>
-<span class="sourceLineNo">202</span>    return 
getCompletedSnapshots(SnapshotDescriptionUtils.getSnapshotsDir(rootDir), 
true);<a name="line.202"></a>
-<span class="sourceLineNo">203</span>  }<a name="line.203"></a>
-<span class="sourceLineNo">204</span><a name="line.204"></a>
-<span class="sourceLineNo">205</span>  /**<a name="line.205"></a>
-<span class="sourceLineNo">206</span>   * Gets the list of all completed 
snapshots.<a name="line.206"></a>
-<span class="sourceLineNo">207</span>   * @param snapshotDir snapshot 
directory<a name="line.207"></a>
-<span class="sourceLineNo">208</span>   * @param withCpCall Whether to call CP 
hooks<a name="line.208"></a>
-<span class="sourceLineNo">209</span>   * @return list of 
SnapshotDescriptions<a name="line.209"></a>
-<span class="sourceLineNo">210</span>   * @throws IOException File system 
exception<a name="line.210"></a>
-<span class="sourceLineNo">211</span>   */<a name="line.211"></a>
-<span class="sourceLineNo">212</span>  private List&lt;SnapshotDescription&gt; 
getCompletedSnapshots(Path snapshotDir, boolean withCpCall)<a 
name="line.212"></a>
-<span class="sourceLineNo">213</span>      throws IOException {<a 
name="line.213"></a>
-<span class="sourceLineNo">214</span>    List&lt;SnapshotDescription&gt; 
snapshotDescs = new ArrayList&lt;&gt;();<a name="line.214"></a>
-<span class="sourceLineNo">215</span>    // first create the snapshot root 
path and check to see if it exists<a name="line.215"></a>
-<span class="sourceLineNo">216</span>    FileSystem fs = 
master.getMasterFileSystem().getFileSystem();<a name="line.216"></a>
-<span class="sourceLineNo">217</span>    if (snapshotDir == null) snapshotDir 
= SnapshotDescriptionUtils.getSnapshotsDir(rootDir);<a name="line.217"></a>
-<span class="sourceLineNo">218</span><a name="line.218"></a>
-<span class="sourceLineNo">219</span>    // if there are no snapshots, return 
an empty list<a name="line.219"></a>
-<span class="sourceLineNo">220</span>    if (!fs.exists(snapshotDir)) {<a 
name="line.220"></a>
-<span class="sourceLineNo">221</span>      return snapshotDescs;<a 
name="line.221"></a>
-<span class="sourceLineNo">222</span>    }<a name="line.222"></a>
-<span class="sourceLineNo">223</span><a name="line.223"></a>
-<span class="sourceLineNo">224</span>    // ignore all the snapshots in 
progress<a name="line.224"></a>
-<span class="sourceLineNo">225</span>    FileStatus[] snapshots = 
fs.listStatus(snapshotDir,<a name="line.225"></a>
-<span class="sourceLineNo">226</span>      new 
SnapshotDescriptionUtils.CompletedSnaphotDirectoriesFilter(fs));<a 
name="line.226"></a>
-<span class="sourceLineNo">227</span>    MasterCoprocessorHost cpHost = 
master.getMasterCoprocessorHost();<a name="line.227"></a>
-<span class="sourceLineNo">228</span>    withCpCall = withCpCall &amp;&amp; 
cpHost != null;<a name="line.228"></a>
-<span class="sourceLineNo">229</span>    // loop through all the completed 
snapshots<a name="line.229"></a>
-<span class="sourceLineNo">230</span>    for (FileStatus snapshot : snapshots) 
{<a name="line.230"></a>
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