http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9118853f/devapidocs/src-html/org/apache/hadoop/hbase/master/cleaner/HFileCleaner.HFileDeleteTask.html
----------------------------------------------------------------------
diff --git
a/devapidocs/src-html/org/apache/hadoop/hbase/master/cleaner/HFileCleaner.HFileDeleteTask.html
b/devapidocs/src-html/org/apache/hadoop/hbase/master/cleaner/HFileCleaner.HFileDeleteTask.html
index 0175600..0183ce2 100644
---
a/devapidocs/src-html/org/apache/hadoop/hbase/master/cleaner/HFileCleaner.HFileDeleteTask.html
+++
b/devapidocs/src-html/org/apache/hadoop/hbase/master/cleaner/HFileCleaner.HFileDeleteTask.html
@@ -40,364 +40,364 @@
<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.Stoppable;<a name="line.34"></a>
-<span class="sourceLineNo">035</span>import
org.apache.yetus.audience.InterfaceAudience;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import
org.apache.hadoop.hbase.conf.ConfigurationObserver;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>import
org.apache.hadoop.hbase.io.HFileLink;<a name="line.37"></a>
-<span class="sourceLineNo">038</span>import
org.apache.hadoop.hbase.regionserver.StoreFileInfo;<a name="line.38"></a>
-<span class="sourceLineNo">039</span>import
org.apache.hadoop.hbase.util.StealJobQueue;<a name="line.39"></a>
-<span class="sourceLineNo">040</span><a name="line.40"></a>
-<span class="sourceLineNo">041</span>import
org.apache.hadoop.hbase.shaded.com.google.common.annotations.VisibleForTesting;<a
name="line.41"></a>
-<span class="sourceLineNo">042</span>/**<a name="line.42"></a>
-<span class="sourceLineNo">043</span> * This Chore, every time it runs, will
clear the HFiles in the hfile archive<a name="line.43"></a>
-<span class="sourceLineNo">044</span> * folder that are deletable for each
HFile cleaner in the chain.<a name="line.44"></a>
-<span class="sourceLineNo">045</span> */<a name="line.45"></a>
-<span class="sourceLineNo">046</span>@InterfaceAudience.Private<a
name="line.46"></a>
-<span class="sourceLineNo">047</span>public class HFileCleaner extends
CleanerChore<BaseHFileCleanerDelegate> implements<a name="line.47"></a>
-<span class="sourceLineNo">048</span> ConfigurationObserver {<a
name="line.48"></a>
+<span class="sourceLineNo">035</span>import
org.apache.hadoop.hbase.io.HFileLink;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import
org.apache.hadoop.hbase.regionserver.StoreFileInfo;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import
org.apache.hadoop.hbase.util.StealJobQueue;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import
org.apache.yetus.audience.InterfaceAudience;<a name="line.38"></a>
+<span class="sourceLineNo">039</span><a name="line.39"></a>
+<span class="sourceLineNo">040</span>import
org.apache.hadoop.hbase.shaded.com.google.common.annotations.VisibleForTesting;<a
name="line.40"></a>
+<span class="sourceLineNo">041</span>/**<a name="line.41"></a>
+<span class="sourceLineNo">042</span> * This Chore, every time it runs, will
clear the HFiles in the hfile archive<a name="line.42"></a>
+<span class="sourceLineNo">043</span> * folder that are deletable for each
HFile cleaner in the chain.<a name="line.43"></a>
+<span class="sourceLineNo">044</span> */<a name="line.44"></a>
+<span class="sourceLineNo">045</span>@InterfaceAudience.Private<a
name="line.45"></a>
+<span class="sourceLineNo">046</span>public class HFileCleaner extends
CleanerChore<BaseHFileCleanerDelegate> {<a name="line.46"></a>
+<span class="sourceLineNo">047</span><a name="line.47"></a>
+<span class="sourceLineNo">048</span> public static final String
MASTER_HFILE_CLEANER_PLUGINS = "hbase.master.hfilecleaner.plugins";<a
name="line.48"></a>
<span class="sourceLineNo">049</span><a name="line.49"></a>
-<span class="sourceLineNo">050</span> public static final String
MASTER_HFILE_CLEANER_PLUGINS = "hbase.master.hfilecleaner.plugins";<a
name="line.50"></a>
-<span class="sourceLineNo">051</span><a name="line.51"></a>
-<span class="sourceLineNo">052</span> public HFileCleaner(final int period,
final Stoppable stopper, Configuration conf, FileSystem fs,<a
name="line.52"></a>
-<span class="sourceLineNo">053</span> Path directory) {<a
name="line.53"></a>
-<span class="sourceLineNo">054</span> this(period, stopper, conf, fs,
directory, null);<a name="line.54"></a>
-<span class="sourceLineNo">055</span> }<a name="line.55"></a>
-<span class="sourceLineNo">056</span><a name="line.56"></a>
-<span class="sourceLineNo">057</span> // Configuration key for large/small
throttle point<a name="line.57"></a>
-<span class="sourceLineNo">058</span> public final static String
HFILE_DELETE_THROTTLE_THRESHOLD =<a name="line.58"></a>
-<span class="sourceLineNo">059</span>
"hbase.regionserver.thread.hfilecleaner.throttle";<a name="line.59"></a>
-<span class="sourceLineNo">060</span> public final static int
DEFAULT_HFILE_DELETE_THROTTLE_THRESHOLD = 64 * 1024 * 1024;// 64M<a
name="line.60"></a>
-<span class="sourceLineNo">061</span><a name="line.61"></a>
-<span class="sourceLineNo">062</span> // Configuration key for large queue
initial size<a name="line.62"></a>
-<span class="sourceLineNo">063</span> public final static String
LARGE_HFILE_QUEUE_INIT_SIZE =<a name="line.63"></a>
-<span class="sourceLineNo">064</span>
"hbase.regionserver.hfilecleaner.large.queue.size";<a name="line.64"></a>
-<span class="sourceLineNo">065</span> public final static int
DEFAULT_LARGE_HFILE_QUEUE_INIT_SIZE = 10240;<a name="line.65"></a>
-<span class="sourceLineNo">066</span><a name="line.66"></a>
-<span class="sourceLineNo">067</span> // Configuration key for small queue
initial size<a name="line.67"></a>
-<span class="sourceLineNo">068</span> public final static String
SMALL_HFILE_QUEUE_INIT_SIZE =<a name="line.68"></a>
-<span class="sourceLineNo">069</span>
"hbase.regionserver.hfilecleaner.small.queue.size";<a name="line.69"></a>
-<span class="sourceLineNo">070</span> public final static int
DEFAULT_SMALL_HFILE_QUEUE_INIT_SIZE = 10240;<a name="line.70"></a>
-<span class="sourceLineNo">071</span><a name="line.71"></a>
-<span class="sourceLineNo">072</span> // Configuration key for large file
delete thread number<a name="line.72"></a>
-<span class="sourceLineNo">073</span> public final static String
LARGE_HFILE_DELETE_THREAD_NUMBER =<a name="line.73"></a>
-<span class="sourceLineNo">074</span>
"hbase.regionserver.hfilecleaner.large.thread.count";<a name="line.74"></a>
-<span class="sourceLineNo">075</span> public final static int
DEFAULT_LARGE_HFILE_DELETE_THREAD_NUMBER = 1;<a name="line.75"></a>
-<span class="sourceLineNo">076</span><a name="line.76"></a>
-<span class="sourceLineNo">077</span> // Configuration key for small file
delete thread number<a name="line.77"></a>
-<span class="sourceLineNo">078</span> public final static String
SMALL_HFILE_DELETE_THREAD_NUMBER =<a name="line.78"></a>
-<span class="sourceLineNo">079</span>
"hbase.regionserver.hfilecleaner.small.thread.count";<a name="line.79"></a>
-<span class="sourceLineNo">080</span> public final static int
DEFAULT_SMALL_HFILE_DELETE_THREAD_NUMBER = 1;<a name="line.80"></a>
+<span class="sourceLineNo">050</span> public HFileCleaner(final int period,
final Stoppable stopper, Configuration conf, FileSystem fs,<a
name="line.50"></a>
+<span class="sourceLineNo">051</span> Path directory) {<a
name="line.51"></a>
+<span class="sourceLineNo">052</span> this(period, stopper, conf, fs,
directory, null);<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> // Configuration key for large/small
throttle point<a name="line.55"></a>
+<span class="sourceLineNo">056</span> public final static String
HFILE_DELETE_THROTTLE_THRESHOLD =<a name="line.56"></a>
+<span class="sourceLineNo">057</span>
"hbase.regionserver.thread.hfilecleaner.throttle";<a name="line.57"></a>
+<span class="sourceLineNo">058</span> public final static int
DEFAULT_HFILE_DELETE_THROTTLE_THRESHOLD = 64 * 1024 * 1024;// 64M<a
name="line.58"></a>
+<span class="sourceLineNo">059</span><a name="line.59"></a>
+<span class="sourceLineNo">060</span> // Configuration key for large queue
initial size<a name="line.60"></a>
+<span class="sourceLineNo">061</span> public final static String
LARGE_HFILE_QUEUE_INIT_SIZE =<a name="line.61"></a>
+<span class="sourceLineNo">062</span>
"hbase.regionserver.hfilecleaner.large.queue.size";<a name="line.62"></a>
+<span class="sourceLineNo">063</span> public final static int
DEFAULT_LARGE_HFILE_QUEUE_INIT_SIZE = 10240;<a name="line.63"></a>
+<span class="sourceLineNo">064</span><a name="line.64"></a>
+<span class="sourceLineNo">065</span> // Configuration key for small queue
initial size<a name="line.65"></a>
+<span class="sourceLineNo">066</span> public final static String
SMALL_HFILE_QUEUE_INIT_SIZE =<a name="line.66"></a>
+<span class="sourceLineNo">067</span>
"hbase.regionserver.hfilecleaner.small.queue.size";<a name="line.67"></a>
+<span class="sourceLineNo">068</span> public final static int
DEFAULT_SMALL_HFILE_QUEUE_INIT_SIZE = 10240;<a name="line.68"></a>
+<span class="sourceLineNo">069</span><a name="line.69"></a>
+<span class="sourceLineNo">070</span> // Configuration key for large file
delete thread number<a name="line.70"></a>
+<span class="sourceLineNo">071</span> public final static String
LARGE_HFILE_DELETE_THREAD_NUMBER =<a name="line.71"></a>
+<span class="sourceLineNo">072</span>
"hbase.regionserver.hfilecleaner.large.thread.count";<a name="line.72"></a>
+<span class="sourceLineNo">073</span> public final static int
DEFAULT_LARGE_HFILE_DELETE_THREAD_NUMBER = 1;<a name="line.73"></a>
+<span class="sourceLineNo">074</span><a name="line.74"></a>
+<span class="sourceLineNo">075</span> // Configuration key for small file
delete thread number<a name="line.75"></a>
+<span class="sourceLineNo">076</span> public final static String
SMALL_HFILE_DELETE_THREAD_NUMBER =<a name="line.76"></a>
+<span class="sourceLineNo">077</span>
"hbase.regionserver.hfilecleaner.small.thread.count";<a name="line.77"></a>
+<span class="sourceLineNo">078</span> public final static int
DEFAULT_SMALL_HFILE_DELETE_THREAD_NUMBER = 1;<a name="line.78"></a>
+<span class="sourceLineNo">079</span><a name="line.79"></a>
+<span class="sourceLineNo">080</span> private static final Log LOG =
LogFactory.getLog(HFileCleaner.class);<a name="line.80"></a>
<span class="sourceLineNo">081</span><a name="line.81"></a>
-<span class="sourceLineNo">082</span> private static final Log LOG =
LogFactory.getLog(HFileCleaner.class);<a name="line.82"></a>
-<span class="sourceLineNo">083</span><a name="line.83"></a>
-<span class="sourceLineNo">084</span> StealJobQueue<HFileDeleteTask>
largeFileQueue;<a name="line.84"></a>
-<span class="sourceLineNo">085</span> BlockingQueue<HFileDeleteTask>
smallFileQueue;<a name="line.85"></a>
-<span class="sourceLineNo">086</span> private int throttlePoint;<a
name="line.86"></a>
-<span class="sourceLineNo">087</span> private int largeQueueInitSize;<a
name="line.87"></a>
-<span class="sourceLineNo">088</span> private int smallQueueInitSize;<a
name="line.88"></a>
-<span class="sourceLineNo">089</span> private int
largeFileDeleteThreadNumber;<a name="line.89"></a>
-<span class="sourceLineNo">090</span> private int
smallFileDeleteThreadNumber;<a name="line.90"></a>
-<span class="sourceLineNo">091</span> private List<Thread> threads =
new ArrayList<Thread>();<a name="line.91"></a>
-<span class="sourceLineNo">092</span> private boolean running;<a
name="line.92"></a>
-<span class="sourceLineNo">093</span><a name="line.93"></a>
-<span class="sourceLineNo">094</span> private AtomicLong deletedLargeFiles =
new AtomicLong();<a name="line.94"></a>
-<span class="sourceLineNo">095</span> private AtomicLong deletedSmallFiles =
new AtomicLong();<a name="line.95"></a>
-<span class="sourceLineNo">096</span><a name="line.96"></a>
-<span class="sourceLineNo">097</span> /**<a name="line.97"></a>
-<span class="sourceLineNo">098</span> * @param period the period of time to
sleep between each run<a name="line.98"></a>
-<span class="sourceLineNo">099</span> * @param stopper the stopper<a
name="line.99"></a>
-<span class="sourceLineNo">100</span> * @param conf configuration to use<a
name="line.100"></a>
-<span class="sourceLineNo">101</span> * @param fs handle to the FS<a
name="line.101"></a>
-<span class="sourceLineNo">102</span> * @param directory directory to be
cleaned<a name="line.102"></a>
-<span class="sourceLineNo">103</span> * @param params params could be used
in subclass of BaseHFileCleanerDelegate<a name="line.103"></a>
-<span class="sourceLineNo">104</span> */<a name="line.104"></a>
-<span class="sourceLineNo">105</span> public HFileCleaner(final int period,
final Stoppable stopper, Configuration conf, FileSystem fs,<a
name="line.105"></a>
-<span class="sourceLineNo">106</span> Path directory,
Map<String, Object> params) {<a name="line.106"></a>
-<span class="sourceLineNo">107</span> super("HFileCleaner", period,
stopper, conf, fs,<a name="line.107"></a>
-<span class="sourceLineNo">108</span> directory,
MASTER_HFILE_CLEANER_PLUGINS, params);<a name="line.108"></a>
-<span class="sourceLineNo">109</span> throttlePoint =<a name="line.109"></a>
-<span class="sourceLineNo">110</span>
conf.getInt(HFILE_DELETE_THROTTLE_THRESHOLD,
DEFAULT_HFILE_DELETE_THROTTLE_THRESHOLD);<a name="line.110"></a>
-<span class="sourceLineNo">111</span> largeQueueInitSize =<a
name="line.111"></a>
-<span class="sourceLineNo">112</span>
conf.getInt(LARGE_HFILE_QUEUE_INIT_SIZE,
DEFAULT_LARGE_HFILE_QUEUE_INIT_SIZE);<a name="line.112"></a>
-<span class="sourceLineNo">113</span> smallQueueInitSize =<a
name="line.113"></a>
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conf.getInt(SMALL_HFILE_QUEUE_INIT_SIZE,
DEFAULT_SMALL_HFILE_QUEUE_INIT_SIZE);<a name="line.114"></a>
-<span class="sourceLineNo">115</span> largeFileQueue = new
StealJobQueue<>(largeQueueInitSize, smallQueueInitSize, COMPARATOR);<a
name="line.115"></a>
-<span class="sourceLineNo">116</span> smallFileQueue =
largeFileQueue.getStealFromQueue();<a name="line.116"></a>
-<span class="sourceLineNo">117</span> largeFileDeleteThreadNumber =<a
name="line.117"></a>
-<span class="sourceLineNo">118</span>
conf.getInt(LARGE_HFILE_DELETE_THREAD_NUMBER,
DEFAULT_LARGE_HFILE_DELETE_THREAD_NUMBER);<a name="line.118"></a>
-<span class="sourceLineNo">119</span> smallFileDeleteThreadNumber =<a
name="line.119"></a>
-<span class="sourceLineNo">120</span>
conf.getInt(SMALL_HFILE_DELETE_THREAD_NUMBER,
DEFAULT_SMALL_HFILE_DELETE_THREAD_NUMBER);<a name="line.120"></a>
-<span class="sourceLineNo">121</span> startHFileDeleteThreads();<a
name="line.121"></a>
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-<span class="sourceLineNo">123</span><a name="line.123"></a>
-<span class="sourceLineNo">124</span> @Override<a name="line.124"></a>
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{<a name="line.125"></a>
-<span class="sourceLineNo">126</span> if
(HFileLink.isBackReferencesDir(file) ||
HFileLink.isBackReferencesDir(file.getParent())) {<a name="line.126"></a>
-<span class="sourceLineNo">127</span> return true;<a name="line.127"></a>
-<span class="sourceLineNo">128</span> }<a name="line.128"></a>
-<span class="sourceLineNo">129</span> return
StoreFileInfo.validateStoreFileName(file.getName());<a name="line.129"></a>
-<span class="sourceLineNo">130</span> }<a name="line.130"></a>
-<span class="sourceLineNo">131</span><a name="line.131"></a>
-<span class="sourceLineNo">132</span> /**<a name="line.132"></a>
-<span class="sourceLineNo">133</span> * Exposed for TESTING!<a
name="line.133"></a>
-<span class="sourceLineNo">134</span> */<a name="line.134"></a>
-<span class="sourceLineNo">135</span> public
List<BaseHFileCleanerDelegate> getDelegatesForTesting() {<a
name="line.135"></a>
-<span class="sourceLineNo">136</span> return this.cleanersChain;<a
name="line.136"></a>
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deleteFiles(Iterable<FileStatus> filesToDelete) {<a name="line.140"></a>
-<span class="sourceLineNo">141</span> int deletedFiles = 0;<a
name="line.141"></a>
-<span class="sourceLineNo">142</span> List<HFileDeleteTask> tasks =
new ArrayList<HFileDeleteTask>();<a name="line.142"></a>
-<span class="sourceLineNo">143</span> // construct delete tasks and add
into relative queue<a name="line.143"></a>
-<span class="sourceLineNo">144</span> for (FileStatus file : filesToDelete)
{<a name="line.144"></a>
-<span class="sourceLineNo">145</span> HFileDeleteTask task =
deleteFile(file);<a name="line.145"></a>
-<span class="sourceLineNo">146</span> if (task != null) {<a
name="line.146"></a>
-<span class="sourceLineNo">147</span> tasks.add(task);<a
name="line.147"></a>
-<span class="sourceLineNo">148</span> }<a name="line.148"></a>
-<span class="sourceLineNo">149</span> }<a name="line.149"></a>
-<span class="sourceLineNo">150</span> // wait for each submitted task to
finish<a name="line.150"></a>
-<span class="sourceLineNo">151</span> for (HFileDeleteTask task : tasks)
{<a name="line.151"></a>
-<span class="sourceLineNo">152</span> if (task.getResult()) {<a
name="line.152"></a>
-<span class="sourceLineNo">153</span> deletedFiles++;<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> return deletedFiles;<a
name="line.156"></a>
-<span class="sourceLineNo">157</span> }<a name="line.157"></a>
-<span class="sourceLineNo">158</span><a name="line.158"></a>
-<span class="sourceLineNo">159</span> /**<a name="line.159"></a>
-<span class="sourceLineNo">160</span> * Construct an {@link HFileDeleteTask}
for each file to delete and add into the correct queue<a name="line.160"></a>
-<span class="sourceLineNo">161</span> * @param file the file to delete<a
name="line.161"></a>
-<span class="sourceLineNo">162</span> * @return HFileDeleteTask to track
progress<a name="line.162"></a>
-<span class="sourceLineNo">163</span> */<a name="line.163"></a>
-<span class="sourceLineNo">164</span> private HFileDeleteTask
deleteFile(FileStatus file) {<a name="line.164"></a>
-<span class="sourceLineNo">165</span> HFileDeleteTask task = new
HFileDeleteTask(file);<a name="line.165"></a>
-<span class="sourceLineNo">166</span> boolean enqueued = dispatch(task);<a
name="line.166"></a>
-<span class="sourceLineNo">167</span> return enqueued ? task : null;<a
name="line.167"></a>
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-<span class="sourceLineNo">169</span><a name="line.169"></a>
-<span class="sourceLineNo">170</span> private boolean
dispatch(HFileDeleteTask task) {<a name="line.170"></a>
-<span class="sourceLineNo">171</span> if (task.fileLength >=
this.throttlePoint) {<a name="line.171"></a>
-<span class="sourceLineNo">172</span> if
(!this.largeFileQueue.offer(task)) {<a name="line.172"></a>
-<span class="sourceLineNo">173</span> // should never arrive here as
long as we use PriorityQueue<a name="line.173"></a>
-<span class="sourceLineNo">174</span> if (LOG.isTraceEnabled()) {<a
name="line.174"></a>
-<span class="sourceLineNo">175</span> LOG.trace("Large file deletion
queue is full");<a name="line.175"></a>
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-<span class="sourceLineNo">177</span> return false;<a
name="line.177"></a>
-<span class="sourceLineNo">178</span> }<a name="line.178"></a>
-<span class="sourceLineNo">179</span> } else {<a name="line.179"></a>
-<span class="sourceLineNo">180</span> if
(!this.smallFileQueue.offer(task)) {<a name="line.180"></a>
-<span class="sourceLineNo">181</span> // should never arrive here as
long as we use PriorityQueue<a name="line.181"></a>
-<span class="sourceLineNo">182</span> if (LOG.isTraceEnabled()) {<a
name="line.182"></a>
-<span class="sourceLineNo">183</span> LOG.trace("Small file deletion
queue is full");<a name="line.183"></a>
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name="line.185"></a>
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-<span class="sourceLineNo">191</span> @Override<a name="line.191"></a>
-<span class="sourceLineNo">192</span> public void cleanup() {<a
name="line.192"></a>
-<span class="sourceLineNo">193</span> super.cleanup();<a
name="line.193"></a>
-<span class="sourceLineNo">194</span> stopHFileDeleteThreads();<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> /**<a name="line.197"></a>
-<span class="sourceLineNo">198</span> * Start threads for hfile deletion<a
name="line.198"></a>
-<span class="sourceLineNo">199</span> */<a name="line.199"></a>
-<span class="sourceLineNo">200</span> private void startHFileDeleteThreads()
{<a name="line.200"></a>
-<span class="sourceLineNo">201</span> final String n =
Thread.currentThread().getName();<a name="line.201"></a>
-<span class="sourceLineNo">202</span> running = true;<a name="line.202"></a>
-<span class="sourceLineNo">203</span> // start thread for large file
deletion<a name="line.203"></a>
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largeFileDeleteThreadNumber; i++) {<a name="line.204"></a>
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name="line.227"></a>
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name="line.275"></a>
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deletedLargeFiles.incrementAndGet();<a name="line.277"></a>
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name="line.281"></a>
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LOG.isTraceEnabled()) {<a name="line.283"></a>
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deletion task in large file thread");<a name="line.284"></a>
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deletedSmallFiles.incrementAndGet();<a name="line.286"></a>
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smallFileDeleteThreadNumber;<a name="line.88"></a>
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new ArrayList<Thread>();<a name="line.89"></a>
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new AtomicLong();<a name="line.92"></a>
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new AtomicLong();<a name="line.93"></a>
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+<span class="sourceLineNo">095</span> /**<a name="line.95"></a>
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name="line.99"></a>
+<span class="sourceLineNo">100</span> * @param directory directory to be
cleaned<a name="line.100"></a>
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in subclass of BaseHFileCleanerDelegate<a name="line.101"></a>
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final Stoppable stopper, Configuration conf, FileSystem fs,<a
name="line.103"></a>
+<span class="sourceLineNo">104</span> Path directory,
Map<String, Object> params) {<a name="line.104"></a>
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stopper, conf, fs,<a name="line.105"></a>
+<span class="sourceLineNo">106</span> directory,
MASTER_HFILE_CLEANER_PLUGINS, params);<a name="line.106"></a>
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conf.getInt(HFILE_DELETE_THROTTLE_THRESHOLD,
DEFAULT_HFILE_DELETE_THROTTLE_THRESHOLD);<a name="line.108"></a>
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name="line.109"></a>
+<span class="sourceLineNo">110</span>
conf.getInt(LARGE_HFILE_QUEUE_INIT_SIZE,
DEFAULT_LARGE_HFILE_QUEUE_INIT_SIZE);<a name="line.110"></a>
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name="line.111"></a>
+<span class="sourceLineNo">112</span>
conf.getInt(SMALL_HFILE_QUEUE_INIT_SIZE,
DEFAULT_SMALL_HFILE_QUEUE_INIT_SIZE);<a name="line.112"></a>
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StealJobQueue<>(largeQueueInitSize, smallQueueInitSize, COMPARATOR);<a
name="line.113"></a>
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largeFileQueue.getStealFromQueue();<a name="line.114"></a>
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name="line.115"></a>
+<span class="sourceLineNo">116</span>
conf.getInt(LARGE_HFILE_DELETE_THREAD_NUMBER,
DEFAULT_LARGE_HFILE_DELETE_THREAD_NUMBER);<a name="line.116"></a>
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name="line.117"></a>
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conf.getInt(SMALL_HFILE_DELETE_THREAD_NUMBER,
DEFAULT_SMALL_HFILE_DELETE_THREAD_NUMBER);<a name="line.118"></a>
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name="line.119"></a>
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{<a name="line.123"></a>
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(HFileLink.isBackReferencesDir(file) ||
HFileLink.isBackReferencesDir(file.getParent())) {<a name="line.124"></a>
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+<span class="sourceLineNo">126</span> }<a name="line.126"></a>
+<span class="sourceLineNo">127</span> return
StoreFileInfo.validateStoreFileName(file.getName());<a name="line.127"></a>
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+<span class="sourceLineNo">129</span><a name="line.129"></a>
+<span class="sourceLineNo">130</span> /**<a name="line.130"></a>
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name="line.131"></a>
+<span class="sourceLineNo">132</span> */<a name="line.132"></a>
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List<BaseHFileCleanerDelegate> getDelegatesForTesting() {<a
name="line.133"></a>
+<span class="sourceLineNo">134</span> return this.cleanersChain;<a
name="line.134"></a>
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deleteFiles(Iterable<FileStatus> filesToDelete) {<a name="line.138"></a>
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name="line.139"></a>
+<span class="sourceLineNo">140</span> List<HFileDeleteTask> tasks =
new ArrayList<HFileDeleteTask>();<a name="line.140"></a>
+<span class="sourceLineNo">141</span> // construct delete tasks and add
into relative queue<a name="line.141"></a>
+<span class="sourceLineNo">142</span> for (FileStatus file : filesToDelete)
{<a name="line.142"></a>
+<span class="sourceLineNo">143</span> HFileDeleteTask task =
deleteFile(file);<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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finish<a name="line.148"></a>
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{<a name="line.149"></a>
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name="line.150"></a>
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name="line.151"></a>
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+<span class="sourceLineNo">153</span> }<a name="line.153"></a>
+<span class="sourceLineNo">154</span> return deletedFiles;<a
name="line.154"></a>
+<span class="sourceLineNo">155</span> }<a name="line.155"></a>
+<span class="sourceLineNo">156</span><a name="line.156"></a>
+<span class="sourceLineNo">157</span> /**<a name="line.157"></a>
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for each file to delete and add into the correct queue<a name="line.158"></a>
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name="line.159"></a>
+<span class="sourceLineNo">160</span> * @return HFileDeleteTask to track
progress<a name="line.160"></a>
+<span class="sourceLineNo">161</span> */<a name="line.161"></a>
+<span class="sourceLineNo">162</span> private HFileDeleteTask
deleteFile(FileStatus file) {<a name="line.162"></a>
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HFileDeleteTask(file);<a name="line.163"></a>
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name="line.165"></a>
+<span class="sourceLineNo">166</span> }<a name="line.166"></a>
+<span class="sourceLineNo">167</span><a name="line.167"></a>
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dispatch(HFileDeleteTask task) {<a name="line.168"></a>
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this.throttlePoint) {<a name="line.169"></a>
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(!this.largeFileQueue.offer(task)) {<a name="line.170"></a>
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+<span class="sourceLineNo">172</span> if (LOG.isTraceEnabled()) {<a
name="line.172"></a>
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name="line.175"></a>
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+<span class="sourceLineNo">177</span> } else {<a name="line.177"></a>
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(!this.smallFileQueue.offer(task)) {<a name="line.178"></a>
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long as we use PriorityQueue<a name="line.179"></a>
+<span class="sourceLineNo">180</span> if (LOG.isTraceEnabled()) {<a
name="line.180"></a>
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name="line.183"></a>
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+<span class="sourceLineNo">185</span> }<a name="line.185"></a>
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+<span class="sourceLineNo">187</span> }<a name="line.187"></a>
+<span class="sourceLineNo">188</span><a name="line.188"></a>
+<span class="sourceLineNo">189</span> @Override<a name="line.189"></a>
+<span class="sourceLineNo">190</span> public void cleanup() {<a
name="line.190"></a>
+<span class="sourceLineNo">191</span> super.cleanup();<a
name="line.191"></a>
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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>
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name="line.196"></a>
+<span class="sourceLineNo">197</span> */<a name="line.197"></a>
+<span class="sourceLineNo">198</span> private void startHFileDeleteThreads()
{<a name="line.198"></a>
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Thread.currentThread().getName();<a name="line.199"></a>
+<span class="sourceLineNo">200</span> running = true;<a name="line.200"></a>
+<span class="sourceLineNo">201</span> // start thread for large file
deletion<a name="line.201"></a>
+<span class="sourceLineNo">202</span> for (int i = 0; i <
largeFileDeleteThreadNumber; i++) {<a name="line.202"></a>
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name="line.203"></a>
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+<span class="sourceLineNo">205</span> public void run() {<a
name="line.205"></a>
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name="line.206"></a>
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+<span class="sourceLineNo">208</span> };<a name="line.208"></a>
+<span class="sourceLineNo">209</span> large.setDaemon(true);<a
name="line.209"></a>
+<span class="sourceLineNo">210</span> large.setName(n +
"-HFileCleaner.large." + i + "-" + System.currentTimeMillis());<a
name="line.210"></a>
+<span class="sourceLineNo">211</span> large.start();<a
name="line.211"></a>
+<span class="sourceLineNo">212</span> LOG.debug("Starting hfile cleaner
for large files: " + large.getName());<a name="line.212"></a>
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name="line.213"></a>
+<span class="sourceLineNo">214</span> }<a name="line.214"></a>
+<span class="sourceLineNo">215</span><a name="line.215"></a>
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deletion<a name="line.216"></a>
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smallFileDeleteThreadNumber; i++) {<a name="line.217"></a>
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name="line.221"></a>
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+<span class="sourceLineNo">223</span> };<a name="line.223"></a>
+<span class="sourceLineNo">224</span> small.setDaemon(true);<a
name="line.224"></a>
+<span class="sourceLineNo">225</span> small.setName(n +
"-HFileCleaner.small." + i + "-" + System.currentTimeMillis());<a
name="line.225"></a>
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name="line.226"></a>
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name="line.228"></a>
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+<span class="sourceLineNo">230</span> }<a name="line.230"></a>
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name="line.232"></a>
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{<a name="line.238"></a>
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trying to take a task from queue", e);<a name="line.240"></a>
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+<span class="sourceLineNo">242</span> break;<a name="line.242"></a>
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name="line.244"></a>
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task.filePath + " from archive");<a name="line.246"></a>
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this.fs.delete(task.filePath, false);<a name="line.250"></a>
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file " + task.filePath, e);<a name="line.252"></a>
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name="line.253"></a>
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countDeletedFiles(task.fileLength >= throttlePoint, queue ==
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+<span class="sourceLineNo">260</span> }<a name="line.260"></a>
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Thread.currentThread());<a name="line.263"></a>
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name="line.268"></a>
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name="line.270"></a>
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Long.MAX_VALUE) {<a name="line.271"></a>
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Long.MAX_VALUE large files, reset counter to 0");<a name="line.272"></a>
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name="line.273"></a>
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deletedLargeFiles.incrementAndGet();<a name="line.275"></a>
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Long.MAX_VALUE) {<a name="line.277"></a>
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Long.MAX_VALUE small files, reset counter to 0");<a name="line.278"></a>
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name="line.279"></a>
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deletion task in large file thread");<a name="line.282"></a>
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deletedSmallFiles.incrementAndGet();<a name="line.284"></a>
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+<span class="sourceLineNo">288</span> /**<a name="line.288"></a>
+<span class="sourceLineNo">289</span> * Stop threads for hfile deletion<a
name="line.289"></a>
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name="line.292"></a>
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+<span class="sourceLineNo">299</span> }<a name="line.299"></a>
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Comparator<HFileDeleteTask>() {<a name="line.301"></a>
<span class="sourceLineNo">302</span><a name="line.302"></a>
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{<a name="line.352"></a>
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+<span class="sourceLineNo">304</span> public int compare(HFileDeleteTask
o1, HFileDeleteTask o2) {<a name="line.304"></a>
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compare<a name="line.305"></a>
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Long.compare(o2.fileLength, o1.fileLength);<a name="line.306"></a>
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name="line.307"></a>
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+<span class="sourceLineNo">309</span> }<a name="line.309"></a>
+<span class="sourceLineNo">310</span> // just use hashCode to generate a
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60 * 1000L;<a name="line.316"></a>
+<span class="sourceLineNo">317</span> private static final long WAIT_UNIT =
1000L;<a name="line.317"></a>
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+<span class="sourceLineNo">323</span><a name="line.323"></a>
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getResult() {<a name="line.335"></a>
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name="line.344"></a>
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name="line.346"></a>
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{<a name="line.350"></a>
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e);<a name="line.352"></a>
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onConfigurationChange(Configuration conf) {<a name="line.390"></a>
+<span class="sourceLineNo">391</span> super.onConfigurationChange(conf);<a
name="line.391"></a>
+<span class="sourceLineNo">392</span><a name="line.392"></a>
<span class="sourceLineNo">393</span> if
(!checkAndUpdateConfigurations(conf)) {<a name="line.393"></a>
<span class="sourceLineNo">394</span> LOG.debug("Update configuration
triggered but nothing changed for this cleaner");<a name="line.394"></a>
<span class="sourceLineNo">395</span> return;<a name="line.395"></a>
