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-<span class="sourceLineNo">163</span> }<a name="line.163"></a>
-<span class="sourceLineNo">164</span> }<a name="line.164"></a>
-<span class="sourceLineNo">165</span> }<a name="line.165"></a>
-<span class="sourceLineNo">166</span><a name="line.166"></a>
-<span class="sourceLineNo">167</span> @VisibleForTesting public Future
getSweepFuture() {<a name="line.167"></a>
-<span class="sourceLineNo">168</span> return fut.get();<a
name="line.168"></a>
-<span class="sourceLineNo">169</span> }<a name="line.169"></a>
-<span class="sourceLineNo">170</span>}<a name="line.170"></a>
-<span class="sourceLineNo">171</span><a name="line.171"></a>
+<span class="sourceLineNo">037</span>import
org.apache.hbase.thirdparty.com.google.common.util.concurrent.ThreadFactoryBuilder;<a
name="line.37"></a>
+<span class="sourceLineNo">038</span><a name="line.38"></a>
+<span class="sourceLineNo">039</span>/**<a name="line.39"></a>
+<span class="sourceLineNo">040</span> * LossyCounting utility, bounded data
structure that maintains approximate high frequency<a name="line.40"></a>
+<span class="sourceLineNo">041</span> * elements in data stream.<a
name="line.41"></a>
+<span class="sourceLineNo">042</span> *<a name="line.42"></a>
+<span class="sourceLineNo">043</span> * Bucket size is 1 / error rate. (Error
rate is 0.02 by default)<a name="line.43"></a>
+<span class="sourceLineNo">044</span> * Lemma If element does not appear in
set, then is frequency is less than e * N<a name="line.44"></a>
+<span class="sourceLineNo">045</span> * (N is total element counts until
now.)<a name="line.45"></a>
+<span class="sourceLineNo">046</span> * Based on paper:<a name="line.46"></a>
+<span class="sourceLineNo">047</span> *
http://www.vldb.org/conf/2002/S10P03.pdf<a name="line.47"></a>
+<span class="sourceLineNo">048</span> */<a name="line.48"></a>
+<span class="sourceLineNo">049</span><a name="line.49"></a>
+<span class="sourceLineNo">050</span>@InterfaceAudience.Private<a
name="line.50"></a>
+<span class="sourceLineNo">051</span>public class LossyCounting<T> {<a
name="line.51"></a>
+<span class="sourceLineNo">052</span> private static final Logger LOG =
LoggerFactory.getLogger(LossyCounting.class);<a name="line.52"></a>
+<span class="sourceLineNo">053</span> private final ExecutorService
executor;<a name="line.53"></a>
+<span class="sourceLineNo">054</span> private long bucketSize;<a
name="line.54"></a>
+<span class="sourceLineNo">055</span> private int currentTerm;<a
name="line.55"></a>
+<span class="sourceLineNo">056</span> private double errorRate;<a
name="line.56"></a>
+<span class="sourceLineNo">057</span> private Map<T, Integer> data;<a
name="line.57"></a>
+<span class="sourceLineNo">058</span> private long totalDataCount;<a
name="line.58"></a>
+<span class="sourceLineNo">059</span> private final String name;<a
name="line.59"></a>
+<span class="sourceLineNo">060</span> private LossyCountingListener
listener;<a name="line.60"></a>
+<span class="sourceLineNo">061</span> private static
AtomicReference<Future> fut = new AtomicReference<>(null);<a
name="line.61"></a>
+<span class="sourceLineNo">062</span><a name="line.62"></a>
+<span class="sourceLineNo">063</span> public interface
LossyCountingListener<T> {<a name="line.63"></a>
+<span class="sourceLineNo">064</span> void sweep(T key);<a
name="line.64"></a>
+<span class="sourceLineNo">065</span> }<a name="line.65"></a>
+<span class="sourceLineNo">066</span><a name="line.66"></a>
+<span class="sourceLineNo">067</span> public LossyCounting(double errorRate,
String name, LossyCountingListener listener) {<a name="line.67"></a>
+<span class="sourceLineNo">068</span> this.errorRate = errorRate;<a
name="line.68"></a>
+<span class="sourceLineNo">069</span> this.name = name;<a
name="line.69"></a>
+<span class="sourceLineNo">070</span> if (errorRate < 0.0 || errorRate
> 1.0) {<a name="line.70"></a>
+<span class="sourceLineNo">071</span> throw new
IllegalArgumentException(" Lossy Counting error rate should be within range
[0,1]");<a name="line.71"></a>
+<span class="sourceLineNo">072</span> }<a name="line.72"></a>
+<span class="sourceLineNo">073</span> this.bucketSize = (long) Math.ceil(1
/ errorRate);<a name="line.73"></a>
+<span class="sourceLineNo">074</span> this.currentTerm = 1;<a
name="line.74"></a>
+<span class="sourceLineNo">075</span> this.totalDataCount = 0;<a
name="line.75"></a>
+<span class="sourceLineNo">076</span> this.data = new
ConcurrentHashMap<>();<a name="line.76"></a>
+<span class="sourceLineNo">077</span> this.listener = listener;<a
name="line.77"></a>
+<span class="sourceLineNo">078</span> calculateCurrentTerm();<a
name="line.78"></a>
+<span class="sourceLineNo">079</span> executor =
Executors.newSingleThreadExecutor(<a name="line.79"></a>
+<span class="sourceLineNo">080</span> new
ThreadFactoryBuilder().setDaemon(true).setNameFormat("lossy-count-%d").build());<a
name="line.80"></a>
+<span class="sourceLineNo">081</span> }<a name="line.81"></a>
+<span class="sourceLineNo">082</span><a name="line.82"></a>
+<span class="sourceLineNo">083</span> public LossyCounting(String name,
LossyCountingListener listener) {<a name="line.83"></a>
+<span class="sourceLineNo">084</span>
this(HBaseConfiguration.create().getDouble(HConstants.DEFAULT_LOSSY_COUNTING_ERROR_RATE,
0.02),<a name="line.84"></a>
+<span class="sourceLineNo">085</span> name, listener);<a
name="line.85"></a>
+<span class="sourceLineNo">086</span> }<a name="line.86"></a>
+<span class="sourceLineNo">087</span><a name="line.87"></a>
+<span class="sourceLineNo">088</span> private void addByOne(T key) {<a
name="line.88"></a>
+<span class="sourceLineNo">089</span> //If entry exists, we update the
entry by incrementing its frequency by one. Otherwise,<a name="line.89"></a>
+<span class="sourceLineNo">090</span> //we create a new entry starting with
currentTerm so that it will not be pruned immediately<a name="line.90"></a>
+<span class="sourceLineNo">091</span> data.put(key, data.getOrDefault(key,
currentTerm != 0 ? currentTerm - 1 : 0) + 1);<a name="line.91"></a>
+<span class="sourceLineNo">092</span><a name="line.92"></a>
+<span class="sourceLineNo">093</span> //update totalDataCount and term<a
name="line.93"></a>
+<span class="sourceLineNo">094</span> totalDataCount++;<a
name="line.94"></a>
+<span class="sourceLineNo">095</span> calculateCurrentTerm();<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> public void add(T key) {<a
name="line.98"></a>
+<span class="sourceLineNo">099</span> addByOne(key);<a name="line.99"></a>
+<span class="sourceLineNo">100</span> if(totalDataCount % bucketSize == 0)
{<a name="line.100"></a>
+<span class="sourceLineNo">101</span> //sweep the entries at bucket
boundaries<a name="line.101"></a>
+<span class="sourceLineNo">102</span> //run Sweep<a name="line.102"></a>
+<span class="sourceLineNo">103</span> Future future = fut.get();<a
name="line.103"></a>
+<span class="sourceLineNo">104</span> if (future != null &&
!future.isDone()){<a name="line.104"></a>
+<span class="sourceLineNo">105</span> return;<a name="line.105"></a>
+<span class="sourceLineNo">106</span> }<a name="line.106"></a>
+<span class="sourceLineNo">107</span> future = executor.submit(new
SweepRunnable());<a name="line.107"></a>
+<span class="sourceLineNo">108</span> fut.set(future);<a
name="line.108"></a>
+<span class="sourceLineNo">109</span> }<a name="line.109"></a>
+<span class="sourceLineNo">110</span> }<a name="line.110"></a>
+<span class="sourceLineNo">111</span><a name="line.111"></a>
+<span class="sourceLineNo">112</span><a name="line.112"></a>
+<span class="sourceLineNo">113</span> /**<a name="line.113"></a>
+<span class="sourceLineNo">114</span> * sweep low frequency data<a
name="line.114"></a>
+<span class="sourceLineNo">115</span> */<a name="line.115"></a>
+<span class="sourceLineNo">116</span> @VisibleForTesting<a
name="line.116"></a>
+<span class="sourceLineNo">117</span> public void sweep() {<a
name="line.117"></a>
+<span class="sourceLineNo">118</span> for(Map.Entry<T, Integer> entry
: data.entrySet()) {<a name="line.118"></a>
+<span class="sourceLineNo">119</span> if(entry.getValue() <
currentTerm) {<a name="line.119"></a>
+<span class="sourceLineNo">120</span> T metric = entry.getKey();<a
name="line.120"></a>
+<span class="sourceLineNo">121</span> data.remove(metric);<a
name="line.121"></a>
+<span class="sourceLineNo">122</span> if (listener != null) {<a
name="line.122"></a>
+<span class="sourceLineNo">123</span> listener.sweep(metric);<a
name="line.123"></a>
+<span class="sourceLineNo">124</span> }<a name="line.124"></a>
+<span class="sourceLineNo">125</span> }<a name="line.125"></a>
+<span class="sourceLineNo">126</span> }<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> /**<a name="line.129"></a>
+<span class="sourceLineNo">130</span> * Calculate and set current term<a
name="line.130"></a>
+<span class="sourceLineNo">131</span> */<a name="line.131"></a>
+<span class="sourceLineNo">132</span> private void calculateCurrentTerm() {<a
name="line.132"></a>
+<span class="sourceLineNo">133</span> this.currentTerm = (int)
Math.ceil(1.0 * totalDataCount / (double) bucketSize);<a name="line.133"></a>
+<span class="sourceLineNo">134</span> }<a name="line.134"></a>
+<span class="sourceLineNo">135</span><a name="line.135"></a>
+<span class="sourceLineNo">136</span> public long getBucketSize(){<a
name="line.136"></a>
+<span class="sourceLineNo">137</span> return bucketSize;<a
name="line.137"></a>
+<span class="sourceLineNo">138</span> }<a name="line.138"></a>
+<span class="sourceLineNo">139</span><a name="line.139"></a>
+<span class="sourceLineNo">140</span> public long getDataSize() {<a
name="line.140"></a>
+<span class="sourceLineNo">141</span> return data.size();<a
name="line.141"></a>
+<span class="sourceLineNo">142</span> }<a name="line.142"></a>
+<span class="sourceLineNo">143</span><a name="line.143"></a>
+<span class="sourceLineNo">144</span> public boolean contains(T key) {<a
name="line.144"></a>
+<span class="sourceLineNo">145</span> return data.containsKey(key);<a
name="line.145"></a>
+<span class="sourceLineNo">146</span> }<a name="line.146"></a>
+<span class="sourceLineNo">147</span><a name="line.147"></a>
+<span class="sourceLineNo">148</span> public Set<T> getElements(){<a
name="line.148"></a>
+<span class="sourceLineNo">149</span> return data.keySet();<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> public long getCurrentTerm() {<a
name="line.152"></a>
+<span class="sourceLineNo">153</span> return currentTerm;<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> class SweepRunnable implements Runnable
{<a name="line.156"></a>
+<span class="sourceLineNo">157</span> @Override public void run() {<a
name="line.157"></a>
+<span class="sourceLineNo">158</span> if (LOG.isTraceEnabled()) {<a
name="line.158"></a>
+<span class="sourceLineNo">159</span> LOG.trace("Starting sweep of
lossyCounting-" + name);<a name="line.159"></a>
+<span class="sourceLineNo">160</span> }<a name="line.160"></a>
+<span class="sourceLineNo">161</span> try {<a name="line.161"></a>
+<span class="sourceLineNo">162</span> sweep();<a name="line.162"></a>
+<span class="sourceLineNo">163</span> } catch (Exception exception) {<a
name="line.163"></a>
+<span class="sourceLineNo">164</span> LOG.debug("Error while sweeping
of lossyCounting-{}", name, exception);<a name="line.164"></a>
+<span class="sourceLineNo">165</span> }<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><a name="line.168"></a>
+<span class="sourceLineNo">169</span> @VisibleForTesting public Future
getSweepFuture() {<a name="line.169"></a>
+<span class="sourceLineNo">170</span> return fut.get();<a
name="line.170"></a>
+<span class="sourceLineNo">171</span> }<a name="line.171"></a>
+<span class="sourceLineNo">172</span>}<a name="line.172"></a>
+<span class="sourceLineNo">173</span><a name="line.173"></a>
diff --git
a/devapidocs/src-html/org/apache/hadoop/hbase/util/LossyCounting.SweepRunnable.html
b/devapidocs/src-html/org/apache/hadoop/hbase/util/LossyCounting.SweepRunnable.html
index eb38e20..2d67234 100644
---
a/devapidocs/src-html/org/apache/hadoop/hbase/util/LossyCounting.SweepRunnable.html
+++
b/devapidocs/src-html/org/apache/hadoop/hbase/util/LossyCounting.SweepRunnable.html
@@ -42,141 +42,143 @@
<span class="sourceLineNo">034</span>import org.slf4j.LoggerFactory;<a
name="line.34"></a>
<span class="sourceLineNo">035</span><a name="line.35"></a>
<span class="sourceLineNo">036</span>import
org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a
name="line.36"></a>
-<span class="sourceLineNo">037</span><a name="line.37"></a>
-<span class="sourceLineNo">038</span>/**<a name="line.38"></a>
-<span class="sourceLineNo">039</span> * LossyCounting utility, bounded data
structure that maintains approximate high frequency<a name="line.39"></a>
-<span class="sourceLineNo">040</span> * elements in data stream.<a
name="line.40"></a>
-<span class="sourceLineNo">041</span> *<a name="line.41"></a>
-<span class="sourceLineNo">042</span> * Bucket size is 1 / error rate. (Error
rate is 0.02 by default)<a name="line.42"></a>
-<span class="sourceLineNo">043</span> * Lemma If element does not appear in
set, then is frequency is less than e * N<a name="line.43"></a>
-<span class="sourceLineNo">044</span> * (N is total element counts until
now.)<a name="line.44"></a>
-<span class="sourceLineNo">045</span> * Based on paper:<a name="line.45"></a>
-<span class="sourceLineNo">046</span> *
http://www.vldb.org/conf/2002/S10P03.pdf<a name="line.46"></a>
-<span class="sourceLineNo">047</span> */<a name="line.47"></a>
-<span class="sourceLineNo">048</span><a name="line.48"></a>
-<span class="sourceLineNo">049</span>@InterfaceAudience.Private<a
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-<span class="sourceLineNo">050</span>public class LossyCounting<T> {<a
name="line.50"></a>
-<span class="sourceLineNo">051</span> private static final Logger LOG =
LoggerFactory.getLogger(LossyCounting.class);<a name="line.51"></a>
-<span class="sourceLineNo">052</span> private final ExecutorService
executor;<a name="line.52"></a>
-<span class="sourceLineNo">053</span> private long bucketSize;<a
name="line.53"></a>
-<span class="sourceLineNo">054</span> private int currentTerm;<a
name="line.54"></a>
-<span class="sourceLineNo">055</span> private double errorRate;<a
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-<span class="sourceLineNo">056</span> private Map<T, Integer> data;<a
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-<span class="sourceLineNo">057</span> private long totalDataCount;<a
name="line.57"></a>
-<span class="sourceLineNo">058</span> private final String name;<a
name="line.58"></a>
-<span class="sourceLineNo">059</span> private LossyCountingListener
listener;<a name="line.59"></a>
-<span class="sourceLineNo">060</span> private static
AtomicReference<Future> fut = new AtomicReference<>(null);<a
name="line.60"></a>
-<span class="sourceLineNo">061</span><a name="line.61"></a>
-<span class="sourceLineNo">062</span> public interface
LossyCountingListener<T> {<a name="line.62"></a>
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name="line.63"></a>
-<span class="sourceLineNo">064</span> }<a name="line.64"></a>
-<span class="sourceLineNo">065</span><a name="line.65"></a>
-<span class="sourceLineNo">066</span> public LossyCounting(double errorRate,
String name, LossyCountingListener listener) {<a name="line.66"></a>
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name="line.67"></a>
-<span class="sourceLineNo">068</span> this.name = name;<a
name="line.68"></a>
-<span class="sourceLineNo">069</span> if (errorRate < 0.0 || errorRate
> 1.0) {<a name="line.69"></a>
-<span class="sourceLineNo">070</span> throw new
IllegalArgumentException(" Lossy Counting error rate should be within range
[0,1]");<a name="line.70"></a>
-<span class="sourceLineNo">071</span> }<a name="line.71"></a>
-<span class="sourceLineNo">072</span> this.bucketSize = (long) Math.ceil(1
/ errorRate);<a name="line.72"></a>
-<span class="sourceLineNo">073</span> this.currentTerm = 1;<a
name="line.73"></a>
-<span class="sourceLineNo">074</span> this.totalDataCount = 0;<a
name="line.74"></a>
-<span class="sourceLineNo">075</span> this.data = new
ConcurrentHashMap<>();<a name="line.75"></a>
-<span class="sourceLineNo">076</span> this.listener = listener;<a
name="line.76"></a>
-<span class="sourceLineNo">077</span> calculateCurrentTerm();<a
name="line.77"></a>
-<span class="sourceLineNo">078</span> executor =
Executors.newSingleThreadExecutor();<a name="line.78"></a>
-<span class="sourceLineNo">079</span> }<a name="line.79"></a>
-<span class="sourceLineNo">080</span><a name="line.80"></a>
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LossyCountingListener listener) {<a name="line.81"></a>
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this(HBaseConfiguration.create().getDouble(HConstants.DEFAULT_LOSSY_COUNTING_ERROR_RATE,
0.02),<a name="line.82"></a>
-<span class="sourceLineNo">083</span> name, listener);<a
name="line.83"></a>
-<span class="sourceLineNo">084</span> }<a name="line.84"></a>
-<span class="sourceLineNo">085</span><a name="line.85"></a>
-<span class="sourceLineNo">086</span> private void addByOne(T key) {<a
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entry by incrementing its frequency by one. Otherwise,<a name="line.87"></a>
-<span class="sourceLineNo">088</span> //we create a new entry starting with
currentTerm so that it will not be pruned immediately<a name="line.88"></a>
-<span class="sourceLineNo">089</span> data.put(key, data.getOrDefault(key,
currentTerm != 0 ? currentTerm - 1 : 0) + 1);<a name="line.89"></a>
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-<span class="sourceLineNo">091</span> //update totalDataCount and term<a
name="line.91"></a>
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name="line.92"></a>
-<span class="sourceLineNo">093</span> calculateCurrentTerm();<a
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-<span class="sourceLineNo">097</span> addByOne(key);<a name="line.97"></a>
-<span class="sourceLineNo">098</span> if(totalDataCount % bucketSize == 0)
{<a name="line.98"></a>
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boundaries<a name="line.99"></a>
-<span class="sourceLineNo">100</span> //run Sweep<a name="line.100"></a>
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name="line.101"></a>
-<span class="sourceLineNo">102</span> if (future != null &&
!future.isDone()){<a name="line.102"></a>
-<span class="sourceLineNo">103</span> return;<a name="line.103"></a>
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-<span class="sourceLineNo">105</span> future = executor.submit(new
SweepRunnable());<a name="line.105"></a>
-<span class="sourceLineNo">106</span> fut.set(future);<a
name="line.106"></a>
-<span class="sourceLineNo">107</span> }<a name="line.107"></a>
-<span class="sourceLineNo">108</span> }<a name="line.108"></a>
-<span class="sourceLineNo">109</span><a name="line.109"></a>
-<span class="sourceLineNo">110</span><a name="line.110"></a>
-<span class="sourceLineNo">111</span> /**<a name="line.111"></a>
-<span class="sourceLineNo">112</span> * sweep low frequency data<a
name="line.112"></a>
-<span class="sourceLineNo">113</span> */<a name="line.113"></a>
-<span class="sourceLineNo">114</span> @VisibleForTesting<a
name="line.114"></a>
-<span class="sourceLineNo">115</span> public void sweep() {<a
name="line.115"></a>
-<span class="sourceLineNo">116</span> for(Map.Entry<T, Integer> entry
: data.entrySet()) {<a name="line.116"></a>
-<span class="sourceLineNo">117</span> if(entry.getValue() <
currentTerm) {<a name="line.117"></a>
-<span class="sourceLineNo">118</span> T metric = entry.getKey();<a
name="line.118"></a>
-<span class="sourceLineNo">119</span> data.remove(metric);<a
name="line.119"></a>
-<span class="sourceLineNo">120</span> if (listener != null) {<a
name="line.120"></a>
-<span class="sourceLineNo">121</span> listener.sweep(metric);<a
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-<span class="sourceLineNo">122</span> }<a name="line.122"></a>
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-<span class="sourceLineNo">167</span> @VisibleForTesting public Future
getSweepFuture() {<a name="line.167"></a>
-<span class="sourceLineNo">168</span> return fut.get();<a
name="line.168"></a>
-<span class="sourceLineNo">169</span> }<a name="line.169"></a>
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-<span class="sourceLineNo">171</span><a name="line.171"></a>
+<span class="sourceLineNo">037</span>import
org.apache.hbase.thirdparty.com.google.common.util.concurrent.ThreadFactoryBuilder;<a
name="line.37"></a>
+<span class="sourceLineNo">038</span><a name="line.38"></a>
+<span class="sourceLineNo">039</span>/**<a name="line.39"></a>
+<span class="sourceLineNo">040</span> * LossyCounting utility, bounded data
structure that maintains approximate high frequency<a name="line.40"></a>
+<span class="sourceLineNo">041</span> * elements in data stream.<a
name="line.41"></a>
+<span class="sourceLineNo">042</span> *<a name="line.42"></a>
+<span class="sourceLineNo">043</span> * Bucket size is 1 / error rate. (Error
rate is 0.02 by default)<a name="line.43"></a>
+<span class="sourceLineNo">044</span> * Lemma If element does not appear in
set, then is frequency is less than e * N<a name="line.44"></a>
+<span class="sourceLineNo">045</span> * (N is total element counts until
now.)<a name="line.45"></a>
+<span class="sourceLineNo">046</span> * Based on paper:<a name="line.46"></a>
+<span class="sourceLineNo">047</span> *
http://www.vldb.org/conf/2002/S10P03.pdf<a name="line.47"></a>
+<span class="sourceLineNo">048</span> */<a name="line.48"></a>
+<span class="sourceLineNo">049</span><a name="line.49"></a>
+<span class="sourceLineNo">050</span>@InterfaceAudience.Private<a
name="line.50"></a>
+<span class="sourceLineNo">051</span>public class LossyCounting<T> {<a
name="line.51"></a>
+<span class="sourceLineNo">052</span> private static final Logger LOG =
LoggerFactory.getLogger(LossyCounting.class);<a name="line.52"></a>
+<span class="sourceLineNo">053</span> private final ExecutorService
executor;<a name="line.53"></a>
+<span class="sourceLineNo">054</span> private long bucketSize;<a
name="line.54"></a>
+<span class="sourceLineNo">055</span> private int currentTerm;<a
name="line.55"></a>
+<span class="sourceLineNo">056</span> private double errorRate;<a
name="line.56"></a>
+<span class="sourceLineNo">057</span> private Map<T, Integer> data;<a
name="line.57"></a>
+<span class="sourceLineNo">058</span> private long totalDataCount;<a
name="line.58"></a>
+<span class="sourceLineNo">059</span> private final String name;<a
name="line.59"></a>
+<span class="sourceLineNo">060</span> private LossyCountingListener
listener;<a name="line.60"></a>
+<span class="sourceLineNo">061</span> private static
AtomicReference<Future> fut = new AtomicReference<>(null);<a
name="line.61"></a>
+<span class="sourceLineNo">062</span><a name="line.62"></a>
+<span class="sourceLineNo">063</span> public interface
LossyCountingListener<T> {<a name="line.63"></a>
+<span class="sourceLineNo">064</span> void sweep(T key);<a
name="line.64"></a>
+<span class="sourceLineNo">065</span> }<a name="line.65"></a>
+<span class="sourceLineNo">066</span><a name="line.66"></a>
+<span class="sourceLineNo">067</span> public LossyCounting(double errorRate,
String name, LossyCountingListener listener) {<a name="line.67"></a>
+<span class="sourceLineNo">068</span> this.errorRate = errorRate;<a
name="line.68"></a>
+<span class="sourceLineNo">069</span> this.name = name;<a
name="line.69"></a>
+<span class="sourceLineNo">070</span> if (errorRate < 0.0 || errorRate
> 1.0) {<a name="line.70"></a>
+<span class="sourceLineNo">071</span> throw new
IllegalArgumentException(" Lossy Counting error rate should be within range
[0,1]");<a name="line.71"></a>
+<span class="sourceLineNo">072</span> }<a name="line.72"></a>
+<span class="sourceLineNo">073</span> this.bucketSize = (long) Math.ceil(1
/ errorRate);<a name="line.73"></a>
+<span class="sourceLineNo">074</span> this.currentTerm = 1;<a
name="line.74"></a>
+<span class="sourceLineNo">075</span> this.totalDataCount = 0;<a
name="line.75"></a>
+<span class="sourceLineNo">076</span> this.data = new
ConcurrentHashMap<>();<a name="line.76"></a>
+<span class="sourceLineNo">077</span> this.listener = listener;<a
name="line.77"></a>
+<span class="sourceLineNo">078</span> calculateCurrentTerm();<a
name="line.78"></a>
+<span class="sourceLineNo">079</span> executor =
Executors.newSingleThreadExecutor(<a name="line.79"></a>
+<span class="sourceLineNo">080</span> new
ThreadFactoryBuilder().setDaemon(true).setNameFormat("lossy-count-%d").build());<a
name="line.80"></a>
+<span class="sourceLineNo">081</span> }<a name="line.81"></a>
+<span class="sourceLineNo">082</span><a name="line.82"></a>
+<span class="sourceLineNo">083</span> public LossyCounting(String name,
LossyCountingListener listener) {<a name="line.83"></a>
+<span class="sourceLineNo">084</span>
this(HBaseConfiguration.create().getDouble(HConstants.DEFAULT_LOSSY_COUNTING_ERROR_RATE,
0.02),<a name="line.84"></a>
+<span class="sourceLineNo">085</span> name, listener);<a
name="line.85"></a>
+<span class="sourceLineNo">086</span> }<a name="line.86"></a>
+<span class="sourceLineNo">087</span><a name="line.87"></a>
+<span class="sourceLineNo">088</span> private void addByOne(T key) {<a
name="line.88"></a>
+<span class="sourceLineNo">089</span> //If entry exists, we update the
entry by incrementing its frequency by one. Otherwise,<a name="line.89"></a>
+<span class="sourceLineNo">090</span> //we create a new entry starting with
currentTerm so that it will not be pruned immediately<a name="line.90"></a>
+<span class="sourceLineNo">091</span> data.put(key, data.getOrDefault(key,
currentTerm != 0 ? currentTerm - 1 : 0) + 1);<a name="line.91"></a>
+<span class="sourceLineNo">092</span><a name="line.92"></a>
+<span class="sourceLineNo">093</span> //update totalDataCount and term<a
name="line.93"></a>
+<span class="sourceLineNo">094</span> totalDataCount++;<a
name="line.94"></a>
+<span class="sourceLineNo">095</span> calculateCurrentTerm();<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> public void add(T key) {<a
name="line.98"></a>
+<span class="sourceLineNo">099</span> addByOne(key);<a name="line.99"></a>
+<span class="sourceLineNo">100</span> if(totalDataCount % bucketSize == 0)
{<a name="line.100"></a>
+<span class="sourceLineNo">101</span> //sweep the entries at bucket
boundaries<a name="line.101"></a>
+<span class="sourceLineNo">102</span> //run Sweep<a name="line.102"></a>
+<span class="sourceLineNo">103</span> Future future = fut.get();<a
name="line.103"></a>
+<span class="sourceLineNo">104</span> if (future != null &&
!future.isDone()){<a name="line.104"></a>
+<span class="sourceLineNo">105</span> return;<a name="line.105"></a>
+<span class="sourceLineNo">106</span> }<a name="line.106"></a>
+<span class="sourceLineNo">107</span> future = executor.submit(new
SweepRunnable());<a name="line.107"></a>
+<span class="sourceLineNo">108</span> fut.set(future);<a
name="line.108"></a>
+<span class="sourceLineNo">109</span> }<a name="line.109"></a>
+<span class="sourceLineNo">110</span> }<a name="line.110"></a>
+<span class="sourceLineNo">111</span><a name="line.111"></a>
+<span class="sourceLineNo">112</span><a name="line.112"></a>
+<span class="sourceLineNo">113</span> /**<a name="line.113"></a>
+<span class="sourceLineNo">114</span> * sweep low frequency data<a
name="line.114"></a>
+<span class="sourceLineNo">115</span> */<a name="line.115"></a>
+<span class="sourceLineNo">116</span> @VisibleForTesting<a
name="line.116"></a>
+<span class="sourceLineNo">117</span> public void sweep() {<a
name="line.117"></a>
+<span class="sourceLineNo">118</span> for(Map.Entry<T, Integer> entry
: data.entrySet()) {<a name="line.118"></a>
+<span class="sourceLineNo">119</span> if(entry.getValue() <
currentTerm) {<a name="line.119"></a>
+<span class="sourceLineNo">120</span> T metric = entry.getKey();<a
name="line.120"></a>
+<span class="sourceLineNo">121</span> data.remove(metric);<a
name="line.121"></a>
+<span class="sourceLineNo">122</span> if (listener != null) {<a
name="line.122"></a>
+<span class="sourceLineNo">123</span> listener.sweep(metric);<a
name="line.123"></a>
+<span class="sourceLineNo">124</span> }<a name="line.124"></a>
+<span class="sourceLineNo">125</span> }<a name="line.125"></a>
+<span class="sourceLineNo">126</span> }<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> /**<a name="line.129"></a>
+<span class="sourceLineNo">130</span> * Calculate and set current term<a
name="line.130"></a>
+<span class="sourceLineNo">131</span> */<a name="line.131"></a>
+<span class="sourceLineNo">132</span> private void calculateCurrentTerm() {<a
name="line.132"></a>
+<span class="sourceLineNo">133</span> this.currentTerm = (int)
Math.ceil(1.0 * totalDataCount / (double) bucketSize);<a name="line.133"></a>
+<span class="sourceLineNo">134</span> }<a name="line.134"></a>
+<span class="sourceLineNo">135</span><a name="line.135"></a>
+<span class="sourceLineNo">136</span> public long getBucketSize(){<a
name="line.136"></a>
+<span class="sourceLineNo">137</span> return bucketSize;<a
name="line.137"></a>
+<span class="sourceLineNo">138</span> }<a name="line.138"></a>
+<span class="sourceLineNo">139</span><a name="line.139"></a>
+<span class="sourceLineNo">140</span> public long getDataSize() {<a
name="line.140"></a>
+<span class="sourceLineNo">141</span> return data.size();<a
name="line.141"></a>
+<span class="sourceLineNo">142</span> }<a name="line.142"></a>
+<span class="sourceLineNo">143</span><a name="line.143"></a>
+<span class="sourceLineNo">144</span> public boolean contains(T key) {<a
name="line.144"></a>
+<span class="sourceLineNo">145</span> return data.containsKey(key);<a
name="line.145"></a>
+<span class="sourceLineNo">146</span> }<a name="line.146"></a>
+<span class="sourceLineNo">147</span><a name="line.147"></a>
+<span class="sourceLineNo">148</span> public Set<T> getElements(){<a
name="line.148"></a>
+<span class="sourceLineNo">149</span> return data.keySet();<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> public long getCurrentTerm() {<a
name="line.152"></a>
+<span class="sourceLineNo">153</span> return currentTerm;<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> class SweepRunnable implements Runnable
{<a name="line.156"></a>
+<span class="sourceLineNo">157</span> @Override public void run() {<a
name="line.157"></a>
+<span class="sourceLineNo">158</span> if (LOG.isTraceEnabled()) {<a
name="line.158"></a>
+<span class="sourceLineNo">159</span> LOG.trace("Starting sweep of
lossyCounting-" + name);<a name="line.159"></a>
+<span class="sourceLineNo">160</span> }<a name="line.160"></a>
+<span class="sourceLineNo">161</span> try {<a name="line.161"></a>
+<span class="sourceLineNo">162</span> sweep();<a name="line.162"></a>
+<span class="sourceLineNo">163</span> } catch (Exception exception) {<a
name="line.163"></a>
+<span class="sourceLineNo">164</span> LOG.debug("Error while sweeping
of lossyCounting-{}", name, exception);<a name="line.164"></a>
+<span class="sourceLineNo">165</span> }<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><a name="line.168"></a>
+<span class="sourceLineNo">169</span> @VisibleForTesting public Future
getSweepFuture() {<a name="line.169"></a>
+<span class="sourceLineNo">170</span> return fut.get();<a
name="line.170"></a>
+<span class="sourceLineNo">171</span> }<a name="line.171"></a>
+<span class="sourceLineNo">172</span>}<a name="line.172"></a>
+<span class="sourceLineNo">173</span><a name="line.173"></a>
diff --git
a/devapidocs/src-html/org/apache/hadoop/hbase/util/LossyCounting.html
b/devapidocs/src-html/org/apache/hadoop/hbase/util/LossyCounting.html
index eb38e20..2d67234 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/util/LossyCounting.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/util/LossyCounting.html
@@ -42,141 +42,143 @@
<span class="sourceLineNo">034</span>import org.slf4j.LoggerFactory;<a
name="line.34"></a>
<span class="sourceLineNo">035</span><a name="line.35"></a>
<span class="sourceLineNo">036</span>import
org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a
name="line.36"></a>
-<span class="sourceLineNo">037</span><a name="line.37"></a>
-<span class="sourceLineNo">038</span>/**<a name="line.38"></a>
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name="line.40"></a>
-<span class="sourceLineNo">041</span> *<a name="line.41"></a>
-<span class="sourceLineNo">042</span> * Bucket size is 1 / error rate. (Error
rate is 0.02 by default)<a name="line.42"></a>
-<span class="sourceLineNo">043</span> * Lemma If element does not appear in
set, then is frequency is less than e * N<a name="line.43"></a>
-<span class="sourceLineNo">044</span> * (N is total element counts until
now.)<a name="line.44"></a>
-<span class="sourceLineNo">045</span> * Based on paper:<a name="line.45"></a>
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http://www.vldb.org/conf/2002/S10P03.pdf<a name="line.46"></a>
-<span class="sourceLineNo">047</span> */<a name="line.47"></a>
-<span class="sourceLineNo">048</span><a name="line.48"></a>
-<span class="sourceLineNo">049</span>@InterfaceAudience.Private<a
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-<span class="sourceLineNo">050</span>public class LossyCounting<T> {<a
name="line.50"></a>
-<span class="sourceLineNo">051</span> private static final Logger LOG =
LoggerFactory.getLogger(LossyCounting.class);<a name="line.51"></a>
-<span class="sourceLineNo">052</span> private final ExecutorService
executor;<a name="line.52"></a>
-<span class="sourceLineNo">053</span> private long bucketSize;<a
name="line.53"></a>
-<span class="sourceLineNo">054</span> private int currentTerm;<a
name="line.54"></a>
-<span class="sourceLineNo">055</span> private double errorRate;<a
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-<span class="sourceLineNo">056</span> private Map<T, Integer> data;<a
name="line.56"></a>
-<span class="sourceLineNo">057</span> private long totalDataCount;<a
name="line.57"></a>
-<span class="sourceLineNo">058</span> private final String name;<a
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-<span class="sourceLineNo">059</span> private LossyCountingListener
listener;<a name="line.59"></a>
-<span class="sourceLineNo">060</span> private static
AtomicReference<Future> fut = new AtomicReference<>(null);<a
name="line.60"></a>
-<span class="sourceLineNo">061</span><a name="line.61"></a>
-<span class="sourceLineNo">062</span> public interface
LossyCountingListener<T> {<a name="line.62"></a>
-<span class="sourceLineNo">063</span> void sweep(T key);<a
name="line.63"></a>
-<span class="sourceLineNo">064</span> }<a name="line.64"></a>
-<span class="sourceLineNo">065</span><a name="line.65"></a>
-<span class="sourceLineNo">066</span> public LossyCounting(double errorRate,
String name, LossyCountingListener listener) {<a name="line.66"></a>
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name="line.67"></a>
-<span class="sourceLineNo">068</span> this.name = name;<a
name="line.68"></a>
-<span class="sourceLineNo">069</span> if (errorRate < 0.0 || errorRate
> 1.0) {<a name="line.69"></a>
-<span class="sourceLineNo">070</span> throw new
IllegalArgumentException(" Lossy Counting error rate should be within range
[0,1]");<a name="line.70"></a>
-<span class="sourceLineNo">071</span> }<a name="line.71"></a>
-<span class="sourceLineNo">072</span> this.bucketSize = (long) Math.ceil(1
/ errorRate);<a name="line.72"></a>
-<span class="sourceLineNo">073</span> this.currentTerm = 1;<a
name="line.73"></a>
-<span class="sourceLineNo">074</span> this.totalDataCount = 0;<a
name="line.74"></a>
-<span class="sourceLineNo">075</span> this.data = new
ConcurrentHashMap<>();<a name="line.75"></a>
-<span class="sourceLineNo">076</span> this.listener = listener;<a
name="line.76"></a>
-<span class="sourceLineNo">077</span> calculateCurrentTerm();<a
name="line.77"></a>
-<span class="sourceLineNo">078</span> executor =
Executors.newSingleThreadExecutor();<a name="line.78"></a>
-<span class="sourceLineNo">079</span> }<a name="line.79"></a>
-<span class="sourceLineNo">080</span><a name="line.80"></a>
-<span class="sourceLineNo">081</span> public LossyCounting(String name,
LossyCountingListener listener) {<a name="line.81"></a>
-<span class="sourceLineNo">082</span>
this(HBaseConfiguration.create().getDouble(HConstants.DEFAULT_LOSSY_COUNTING_ERROR_RATE,
0.02),<a name="line.82"></a>
-<span class="sourceLineNo">083</span> name, listener);<a
name="line.83"></a>
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-<span class="sourceLineNo">085</span><a name="line.85"></a>
-<span class="sourceLineNo">086</span> private void addByOne(T key) {<a
name="line.86"></a>
-<span class="sourceLineNo">087</span> //If entry exists, we update the
entry by incrementing its frequency by one. Otherwise,<a name="line.87"></a>
-<span class="sourceLineNo">088</span> //we create a new entry starting with
currentTerm so that it will not be pruned immediately<a name="line.88"></a>
-<span class="sourceLineNo">089</span> data.put(key, data.getOrDefault(key,
currentTerm != 0 ? currentTerm - 1 : 0) + 1);<a name="line.89"></a>
-<span class="sourceLineNo">090</span><a name="line.90"></a>
-<span class="sourceLineNo">091</span> //update totalDataCount and term<a
name="line.91"></a>
-<span class="sourceLineNo">092</span> totalDataCount++;<a
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+<span class="sourceLineNo">039</span>/**<a name="line.39"></a>
+<span class="sourceLineNo">040</span> * LossyCounting utility, bounded data
structure that maintains approximate high frequency<a name="line.40"></a>
+<span class="sourceLineNo">041</span> * elements in data stream.<a
name="line.41"></a>
+<span class="sourceLineNo">042</span> *<a name="line.42"></a>
+<span class="sourceLineNo">043</span> * Bucket size is 1 / error rate. (Error
rate is 0.02 by default)<a name="line.43"></a>
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set, then is frequency is less than e * N<a name="line.44"></a>
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now.)<a name="line.45"></a>
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http://www.vldb.org/conf/2002/S10P03.pdf<a name="line.47"></a>
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+<span class="sourceLineNo">049</span><a name="line.49"></a>
+<span class="sourceLineNo">050</span>@InterfaceAudience.Private<a
name="line.50"></a>
+<span class="sourceLineNo">051</span>public class LossyCounting<T> {<a
name="line.51"></a>
+<span class="sourceLineNo">052</span> private static final Logger LOG =
LoggerFactory.getLogger(LossyCounting.class);<a name="line.52"></a>
+<span class="sourceLineNo">053</span> private final ExecutorService
executor;<a name="line.53"></a>
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name="line.54"></a>
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+<span class="sourceLineNo">060</span> private LossyCountingListener
listener;<a name="line.60"></a>
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AtomicReference<Future> fut = new AtomicReference<>(null);<a
name="line.61"></a>
+<span class="sourceLineNo">062</span><a name="line.62"></a>
+<span class="sourceLineNo">063</span> public interface
LossyCountingListener<T> {<a name="line.63"></a>
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name="line.64"></a>
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+<span class="sourceLineNo">066</span><a name="line.66"></a>
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String name, LossyCountingListener listener) {<a name="line.67"></a>
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name="line.68"></a>
+<span class="sourceLineNo">069</span> this.name = name;<a
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> 1.0) {<a name="line.70"></a>
+<span class="sourceLineNo">071</span> throw new
IllegalArgumentException(" Lossy Counting error rate should be within range
[0,1]");<a name="line.71"></a>
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/ errorRate);<a name="line.73"></a>
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name="line.74"></a>
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ConcurrentHashMap<>();<a name="line.76"></a>
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name="line.78"></a>
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Executors.newSingleThreadExecutor(<a name="line.79"></a>
+<span class="sourceLineNo">080</span> new
ThreadFactoryBuilder().setDaemon(true).setNameFormat("lossy-count-%d").build());<a
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+<span class="sourceLineNo">082</span><a name="line.82"></a>
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LossyCountingListener listener) {<a name="line.83"></a>
+<span class="sourceLineNo">084</span>
this(HBaseConfiguration.create().getDouble(HConstants.DEFAULT_LOSSY_COUNTING_ERROR_RATE,
0.02),<a name="line.84"></a>
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name="line.88"></a>
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entry by incrementing its frequency by one. Otherwise,<a name="line.89"></a>
+<span class="sourceLineNo">090</span> //we create a new entry starting with
currentTerm so that it will not be pruned immediately<a name="line.90"></a>
+<span class="sourceLineNo">091</span> data.put(key, data.getOrDefault(key,
currentTerm != 0 ? currentTerm - 1 : 0) + 1);<a name="line.91"></a>
+<span class="sourceLineNo">092</span><a name="line.92"></a>
+<span class="sourceLineNo">093</span> //update totalDataCount and term<a
name="line.93"></a>
+<span class="sourceLineNo">094</span> totalDataCount++;<a
name="line.94"></a>
+<span class="sourceLineNo">095</span> calculateCurrentTerm();<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>
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name="line.98"></a>
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+<span class="sourceLineNo">100</span> if(totalDataCount % bucketSize == 0)
{<a name="line.100"></a>
+<span class="sourceLineNo">101</span> //sweep the entries at bucket
boundaries<a name="line.101"></a>
+<span class="sourceLineNo">102</span> //run Sweep<a name="line.102"></a>
+<span class="sourceLineNo">103</span> Future future = fut.get();<a
name="line.103"></a>
+<span class="sourceLineNo">104</span> if (future != null &&
!future.isDone()){<a name="line.104"></a>
+<span class="sourceLineNo">105</span> return;<a name="line.105"></a>
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+<span class="sourceLineNo">107</span> future = executor.submit(new
SweepRunnable());<a name="line.107"></a>
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name="line.108"></a>
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+<span class="sourceLineNo">111</span><a name="line.111"></a>
+<span class="sourceLineNo">112</span><a name="line.112"></a>
+<span class="sourceLineNo">113</span> /**<a name="line.113"></a>
+<span class="sourceLineNo">114</span> * sweep low frequency data<a
name="line.114"></a>
+<span class="sourceLineNo">115</span> */<a name="line.115"></a>
+<span class="sourceLineNo">116</span> @VisibleForTesting<a
name="line.116"></a>
+<span class="sourceLineNo">117</span> public void sweep() {<a
name="line.117"></a>
+<span class="sourceLineNo">118</span> for(Map.Entry<T, Integer> entry
: data.entrySet()) {<a name="line.118"></a>
+<span class="sourceLineNo">119</span> if(entry.getValue() <
currentTerm) {<a name="line.119"></a>
+<span class="sourceLineNo">120</span> T metric = entry.getKey();<a
name="line.120"></a>
+<span class="sourceLineNo">121</span> data.remove(metric);<a
name="line.121"></a>
+<span class="sourceLineNo">122</span> if (listener != null) {<a
name="line.122"></a>
+<span class="sourceLineNo">123</span> listener.sweep(metric);<a
name="line.123"></a>
+<span class="sourceLineNo">124</span> }<a name="line.124"></a>
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+<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> /**<a name="line.129"></a>
+<span class="sourceLineNo">130</span> * Calculate and set current term<a
name="line.130"></a>
+<span class="sourceLineNo">131</span> */<a name="line.131"></a>
+<span class="sourceLineNo">132</span> private void calculateCurrentTerm() {<a
name="line.132"></a>
+<span class="sourceLineNo">133</span> this.currentTerm = (int)
Math.ceil(1.0 * totalDataCount / (double) bucketSize);<a name="line.133"></a>
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+<span class="sourceLineNo">135</span><a name="line.135"></a>
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name="line.136"></a>
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name="line.137"></a>
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name="line.140"></a>
+<span class="sourceLineNo">141</span> return data.size();<a
name="line.141"></a>
+<span class="sourceLineNo">142</span> }<a name="line.142"></a>
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name="line.144"></a>
+<span class="sourceLineNo">145</span> return data.containsKey(key);<a
name="line.145"></a>
+<span class="sourceLineNo">146</span> }<a name="line.146"></a>
+<span class="sourceLineNo">147</span><a name="line.147"></a>
+<span class="sourceLineNo">148</span> public Set<T> getElements(){<a
name="line.148"></a>
+<span class="sourceLineNo">149</span> return data.keySet();<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> public long getCurrentTerm() {<a
name="line.152"></a>
+<span class="sourceLineNo">153</span> return currentTerm;<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> class SweepRunnable implements Runnable
{<a name="line.156"></a>
+<span class="sourceLineNo">157</span> @Override public void run() {<a
name="line.157"></a>
+<span class="sourceLineNo">158</span> if (LOG.isTraceEnabled()) {<a
name="line.158"></a>
+<span class="sourceLineNo">159</span> LOG.trace("Starting sweep of
lossyCounting-" + name);<a name="line.159"></a>
+<span class="sourceLineNo">160</span> }<a name="line.160"></a>
+<span class="sourceLineNo">161</span> try {<a name="line.161"></a>
+<span class="sourceLineNo">162</span> sweep();<a name="line.162"></a>
+<span class="sourceLineNo">163</span> } catch (Exception exception) {<a
name="line.163"></a>
+<span class="sourceLineNo">164</span> LOG.debug("Error while sweeping
of lossyCounting-{}", name, exception);<a name="line.164"></a>
+<span class="sourceLineNo">165</span> }<a name="line.165"></a>
+<span class="sourceLineNo">166</span> }<a name="line.166"></a>
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+<span class="sourceLineNo">168</span><a name="line.168"></a>
+<span class="sourceLineNo">169</span> @VisibleForTesting public Future
getSweepFuture() {<a name="line.169"></a>
+<span class="sourceLineNo">170</span> return fut.get();<a
name="line.170"></a>
+<span class="sourceLineNo">171</span> }<a name="line.171"></a>
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diff --git a/downloads.html b/downloads.html
index 12bfe25..82d7695 100644
--- a/downloads.html
+++ b/downloads.html
@@ -411,7 +411,7 @@
<div class="row">
<p>Copyright ©2007–2019
<a href="https://www.apache.org/";>The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last
Published: 2019-12-05</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last
Published: 2019-12-06</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a
href="http://maven.apache.org/"; title="Built by Maven" class="poweredBy"><img
class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png"
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diff --git a/export_control.html b/export_control.html
index ec7db72..2b2a2cd 100644
--- a/export_control.html
+++ b/export_control.html
@@ -173,7 +173,7 @@ for more details.</p>
<div class="row">
<p>Copyright ©2007–2019
<a href="https://www.apache.org/";>The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last
Published: 2019-12-05</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last
Published: 2019-12-06</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a
href="http://maven.apache.org/"; title="Built by Maven" class="poweredBy"><img
class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png"
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diff --git a/index.html b/index.html
index 4b79f2b..ffa85c4 100644
--- a/index.html
+++ b/index.html
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<div class="row">
<p>Copyright ©2007–2019
<a href="https://www.apache.org/";>The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last
Published: 2019-12-05</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last
Published: 2019-12-06</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a
href="http://maven.apache.org/"; title="Built by Maven" class="poweredBy"><img
class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png"
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diff --git a/issue-tracking.html b/issue-tracking.html
index 8e7275e..20e67bb 100644
--- a/issue-tracking.html
+++ b/issue-tracking.html
@@ -145,7 +145,7 @@
<div class="row">
<p>Copyright ©2007–2019
<a href="https://www.apache.org/";>The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last
Published: 2019-12-05</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last
Published: 2019-12-06</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a
href="http://maven.apache.org/"; title="Built by Maven" class="poweredBy"><img
class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png"
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diff --git a/mail-lists.html b/mail-lists.html
index c0499fa..b26c856 100644
--- a/mail-lists.html
+++ b/mail-lists.html
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<div class="row">
<p>Copyright ©2007–2019
<a href="https://www.apache.org/";>The Apache Software Foundation</a>.
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Published: 2019-12-05</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last
Published: 2019-12-06</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a
href="http://maven.apache.org/"; title="Built by Maven" class="poweredBy"><img
class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png"
/></a>
diff --git a/metrics.html b/metrics.html
index dd0fa4e..d34c599 100644
--- a/metrics.html
+++ b/metrics.html
@@ -301,7 +301,7 @@ export HBASE_REGIONSERVER_OPTS="$HBASE_JMX_OPTS
-Dcom.sun.management.jmxrem
<div class="row">
<p>Copyright ©2007–2019
<a href="https://www.apache.org/";>The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last
Published: 2019-12-05</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last
Published: 2019-12-06</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a
href="http://maven.apache.org/"; title="Built by Maven" class="poweredBy"><img
class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png"
/></a>
diff --git a/old_news.html b/old_news.html
index 7680348..8c076dd 100644
--- a/old_news.html
+++ b/old_news.html
@@ -292,7 +292,7 @@
<div class="row">
<p>Copyright ©2007–2019
<a href="https://www.apache.org/";>The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last
Published: 2019-12-05</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last
Published: 2019-12-06</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a
href="http://maven.apache.org/"; title="Built by Maven" class="poweredBy"><img
class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png"
/></a>
diff --git a/plugin-management.html b/plugin-management.html
index cde65c4..5e877e4 100644
--- a/plugin-management.html
+++ b/plugin-management.html
@@ -297,7 +297,7 @@
<div class="row">
<p>Copyright ©2007–2019
<a href="https://www.apache.org/";>The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last
Published: 2019-12-05</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last
Published: 2019-12-06</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a
href="http://maven.apache.org/"; title="Built by Maven" class="poweredBy"><img
class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png"
/></a>
diff --git a/plugins.html b/plugins.html
index 8aeca9c..cf0978f 100644
--- a/plugins.html
+++ b/plugins.html
@@ -224,7 +224,7 @@
<div class="row">
<p>Copyright ©2007–2019
<a href="https://www.apache.org/";>The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last
Published: 2019-12-05</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last
Published: 2019-12-06</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a
href="http://maven.apache.org/"; title="Built by Maven" class="poweredBy"><img
class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png"
/></a>
diff --git a/poweredbyhbase.html b/poweredbyhbase.html
index f267430..03287d6 100644
--- a/poweredbyhbase.html
+++ b/poweredbyhbase.html
@@ -611,7 +611,7 @@
<div class="row">
<p>Copyright ©2007–2019
<a href="https://www.apache.org/";>The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last
Published: 2019-12-05</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last
Published: 2019-12-06</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a
href="http://maven.apache.org/"; title="Built by Maven" class="poweredBy"><img
class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png"
/></a>
diff --git a/project-info.html b/project-info.html
index ed2b8ae..7fe16eb 100644
--- a/project-info.html
+++ b/project-info.html
@@ -186,7 +186,7 @@
<div class="row">
<p>Copyright ©2007–2019
<a href="https://www.apache.org/";>The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last
Published: 2019-12-05</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last
Published: 2019-12-06</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a
href="http://maven.apache.org/"; title="Built by Maven" class="poweredBy"><img
class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png"
/></a>
diff --git a/project-reports.html b/project-reports.html
index 6579714..35de23b 100644
--- a/project-reports.html
+++ b/project-reports.html
@@ -162,7 +162,7 @@
<div class="row">
<p>Copyright ©2007–2019
<a href="https://www.apache.org/";>The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last
Published: 2019-12-05</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last
Published: 2019-12-06</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a
href="http://maven.apache.org/"; title="Built by Maven" class="poweredBy"><img
class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png"
/></a>
diff --git a/project-summary.html b/project-summary.html
index bb56148..8a745b5 100644
--- a/project-summary.html
+++ b/project-summary.html
@@ -188,7 +188,7 @@
<div class="row">
<p>Copyright ©2007–2019
<a href="https://www.apache.org/";>The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last
Published: 2019-12-05</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last
Published: 2019-12-06</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a
href="http://maven.apache.org/"; title="Built by Maven" class="poweredBy"><img
class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png"
/></a>
diff --git a/pseudo-distributed.html b/pseudo-distributed.html
index f2dcfb1..76f673d 100644
--- a/pseudo-distributed.html
+++ b/pseudo-distributed.html
@@ -150,7 +150,7 @@ Running Apache HBase (TM) in pseudo-distributed mode
<div class="row">
<p>Copyright ©2007–2019
<a href="https://www.apache.org/";>The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last
Published: 2019-12-05</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last
Published: 2019-12-06</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a
href="http://maven.apache.org/"; title="Built by Maven" class="poweredBy"><img
class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png"
/></a>
diff --git a/replication.html b/replication.html
index dd8f1e2..2971789 100644
--- a/replication.html
+++ b/replication.html
@@ -145,7 +145,7 @@
<div class="row">
<p>Copyright ©2007–2019
<a href="https://www.apache.org/";>The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last
Published: 2019-12-05</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last
Published: 2019-12-06</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a
href="http://maven.apache.org/"; title="Built by Maven" class="poweredBy"><img
class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png"
/></a>
diff --git a/resources.html b/resources.html
index f9b1634..f074a2c 100644
--- a/resources.html
+++ b/resources.html
@@ -173,7 +173,7 @@
<div class="row">
<p>Copyright ©2007–2019
<a href="https://www.apache.org/";>The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last
Published: 2019-12-05</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last
Published: 2019-12-06</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a
href="http://maven.apache.org/"; title="Built by Maven" class="poweredBy"><img
class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png"
/></a>
diff --git a/source-repository.html b/source-repository.html
index 66949f1..fecbbd5 100644
--- a/source-repository.html
+++ b/source-repository.html
@@ -156,7 +156,7 @@
<div class="row">
<p>Copyright ©2007–2019
<a href="https://www.apache.org/";>The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last
Published: 2019-12-05</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last
Published: 2019-12-06</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a
href="http://maven.apache.org/"; title="Built by Maven" class="poweredBy"><img
class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png"
/></a>
diff --git a/sponsors.html b/sponsors.html
index 7a93de9..7e764795 100644
--- a/sponsors.html
+++ b/sponsors.html
@@ -175,7 +175,7 @@
<div class="row">
<p>Copyright ©2007–2019
<a href="https://www.apache.org/";>The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last
Published: 2019-12-05</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last
Published: 2019-12-06</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a
href="http://maven.apache.org/"; title="Built by Maven" class="poweredBy"><img
class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png"
/></a>
diff --git a/supportingprojects.html b/supportingprojects.html
index cfbbcbf..c766199 100644
--- a/supportingprojects.html
+++ b/supportingprojects.html
@@ -362,7 +362,7 @@
<div class="row">
<p>Copyright ©2007–2019
<a href="https://www.apache.org/";>The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last
Published: 2019-12-05</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last
Published: 2019-12-06</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a
href="http://maven.apache.org/"; title="Built by Maven" class="poweredBy"><img
class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png"
/></a>
diff --git a/team-list.html b/team-list.html
index 1f3a7dd..ce7d04f 100644
--- a/team-list.html
+++ b/team-list.html
@@ -659,7 +659,7 @@
<div class="row">
<p>Copyright ©2007–2019
<a href="https://www.apache.org/";>The Apache Software Foundation</a>.
-All rights reserved. <li id="publishDate" class="pull-right">Last
Published: 2019-12-05</li>
+All rights reserved. <li id="publishDate" class="pull-right">Last
Published: 2019-12-06</li>
</p>
</div>
<p id="poweredBy" class="pull-right"><a
href="http://maven.apache.org/"; title="Built by Maven" class="poweredBy"><img
class="builtBy" alt="Built by Maven" src="./images/logos/maven-feather.png"
/></a>
