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Posted to commits@hbase.apache.org by gi...@apache.org on 2018/10/12 14:53:17 UTC
[22/51] [partial] hbase-site git commit: Published site at
fa5fa6ecdd071b72b58971058ff3ab9d28c3e709.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/d1341859/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/BitSetNode.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/BitSetNode.html b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/BitSetNode.html
index 8dc2d73..ecd1970 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/BitSetNode.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/BitSetNode.html
@@ -25,384 +25,407 @@
<span class="sourceLineNo">017</span> */<a name="line.17"></a>
<span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.procedure2.store;<a name="line.18"></a>
<span class="sourceLineNo">019</span><a name="line.19"></a>
-<span class="sourceLineNo">020</span>import java.util.Arrays;<a name="line.20"></a>
-<span class="sourceLineNo">021</span>import org.apache.hadoop.hbase.procedure2.store.ProcedureStoreTracker.DeleteState;<a name="line.21"></a>
-<span class="sourceLineNo">022</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.22"></a>
-<span class="sourceLineNo">023</span><a name="line.23"></a>
-<span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos;<a name="line.24"></a>
+<span class="sourceLineNo">020</span>import java.util.ArrayList;<a name="line.20"></a>
+<span class="sourceLineNo">021</span>import java.util.Arrays;<a name="line.21"></a>
+<span class="sourceLineNo">022</span>import java.util.List;<a name="line.22"></a>
+<span class="sourceLineNo">023</span>import org.apache.hadoop.hbase.procedure2.store.ProcedureStoreTracker.DeleteState;<a name="line.23"></a>
+<span class="sourceLineNo">024</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.24"></a>
<span class="sourceLineNo">025</span><a name="line.25"></a>
-<span class="sourceLineNo">026</span>/**<a name="line.26"></a>
-<span class="sourceLineNo">027</span> * A bitmap which can grow/merge with other {@link BitSetNode} (if certain conditions are met).<a name="line.27"></a>
-<span class="sourceLineNo">028</span> * Boundaries of bitmap are aligned to multiples of {@link BitSetNode#BITS_PER_WORD}. So the range<a name="line.28"></a>
-<span class="sourceLineNo">029</span> * of a {@link BitSetNode} is from [x * K, y * K) where x and y are integers, y > x and K is<a name="line.29"></a>
-<span class="sourceLineNo">030</span> * BITS_PER_WORD.<a name="line.30"></a>
-<span class="sourceLineNo">031</span> * <p/><a name="line.31"></a>
-<span class="sourceLineNo">032</span> * We have two main bit sets to describe the state of procedures, the meanings are:<a name="line.32"></a>
-<span class="sourceLineNo">033</span> *<a name="line.33"></a>
-<span class="sourceLineNo">034</span> * <pre><a name="line.34"></a>
-<span class="sourceLineNo">035</span> * ----------------------<a name="line.35"></a>
-<span class="sourceLineNo">036</span> * | modified | deleted | meaning<a name="line.36"></a>
-<span class="sourceLineNo">037</span> * | 0 | 0 | proc exists, but hasn't been updated since last resetUpdates().<a name="line.37"></a>
-<span class="sourceLineNo">038</span> * | 1 | 0 | proc was updated (but not deleted).<a name="line.38"></a>
-<span class="sourceLineNo">039</span> * | 1 | 1 | proc was deleted.<a name="line.39"></a>
-<span class="sourceLineNo">040</span> * | 0 | 1 | proc doesn't exist (maybe never created, maybe deleted in past).<a name="line.40"></a>
-<span class="sourceLineNo">041</span> * ----------------------<a name="line.41"></a>
-<span class="sourceLineNo">042</span> * </pre><a name="line.42"></a>
-<span class="sourceLineNo">043</span> *<a name="line.43"></a>
-<span class="sourceLineNo">044</span> * The meaning of modified is that, we have modified the state of the procedure, no matter insert,<a name="line.44"></a>
-<span class="sourceLineNo">045</span> * update, or delete. And if it is an insert or update, we will set the deleted to 0, if not we will<a name="line.45"></a>
-<span class="sourceLineNo">046</span> * set the delete to 1.<a name="line.46"></a>
-<span class="sourceLineNo">047</span> * <p/><a name="line.47"></a>
-<span class="sourceLineNo">048</span> * For a non-partial BitSetNode, the initial modified value is 0 and deleted value is 1. For the<a name="line.48"></a>
-<span class="sourceLineNo">049</span> * partial one, the initial modified value is 0 and the initial deleted value is also 0. In<a name="line.49"></a>
-<span class="sourceLineNo">050</span> * {@link #unsetPartialFlag()} we will reset the deleted to 1 if it is not modified.<a name="line.50"></a>
-<span class="sourceLineNo">051</span> */<a name="line.51"></a>
-<span class="sourceLineNo">052</span>@InterfaceAudience.Private<a name="line.52"></a>
-<span class="sourceLineNo">053</span>class BitSetNode {<a name="line.53"></a>
-<span class="sourceLineNo">054</span> private static final long WORD_MASK = 0xffffffffffffffffL;<a name="line.54"></a>
-<span class="sourceLineNo">055</span> private static final int ADDRESS_BITS_PER_WORD = 6;<a name="line.55"></a>
-<span class="sourceLineNo">056</span> private static final int BITS_PER_WORD = 1 << ADDRESS_BITS_PER_WORD;<a name="line.56"></a>
-<span class="sourceLineNo">057</span> private static final int MAX_NODE_SIZE = 1 << ADDRESS_BITS_PER_WORD;<a name="line.57"></a>
-<span class="sourceLineNo">058</span><a name="line.58"></a>
-<span class="sourceLineNo">059</span> /**<a name="line.59"></a>
-<span class="sourceLineNo">060</span> * Mimics {@link ProcedureStoreTracker#partial}. It will effect how we fill the new deleted bits<a name="line.60"></a>
-<span class="sourceLineNo">061</span> * when growing.<a name="line.61"></a>
-<span class="sourceLineNo">062</span> */<a name="line.62"></a>
-<span class="sourceLineNo">063</span> private boolean partial;<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> * Set of procedures which have been modified since last {@link #resetModified()}. Useful to track<a name="line.66"></a>
-<span class="sourceLineNo">067</span> * procedures which have been modified since last WAL write.<a name="line.67"></a>
-<span class="sourceLineNo">068</span> */<a name="line.68"></a>
-<span class="sourceLineNo">069</span> private long[] modified;<a name="line.69"></a>
-<span class="sourceLineNo">070</span><a name="line.70"></a>
-<span class="sourceLineNo">071</span> /**<a name="line.71"></a>
-<span class="sourceLineNo">072</span> * Keeps track of procedure ids which belong to this bitmap's range and have been deleted. This<a name="line.72"></a>
-<span class="sourceLineNo">073</span> * represents global state since it's not reset on WAL rolls.<a name="line.73"></a>
-<span class="sourceLineNo">074</span> */<a name="line.74"></a>
-<span class="sourceLineNo">075</span> private long[] deleted;<a name="line.75"></a>
-<span class="sourceLineNo">076</span> /**<a name="line.76"></a>
-<span class="sourceLineNo">077</span> * Offset of bitmap i.e. procedure id corresponding to first bit.<a name="line.77"></a>
-<span class="sourceLineNo">078</span> */<a name="line.78"></a>
-<span class="sourceLineNo">079</span> private long start;<a name="line.79"></a>
-<span class="sourceLineNo">080</span><a name="line.80"></a>
-<span class="sourceLineNo">081</span> public void dump() {<a name="line.81"></a>
-<span class="sourceLineNo">082</span> System.out.printf("%06d:%06d min=%d max=%d%n", getStart(), getEnd(), getActiveMinProcId(),<a name="line.82"></a>
-<span class="sourceLineNo">083</span> getActiveMaxProcId());<a name="line.83"></a>
-<span class="sourceLineNo">084</span> System.out.println("Modified:");<a name="line.84"></a>
-<span class="sourceLineNo">085</span> for (int i = 0; i < modified.length; ++i) {<a name="line.85"></a>
-<span class="sourceLineNo">086</span> for (int j = 0; j < BITS_PER_WORD; ++j) {<a name="line.86"></a>
-<span class="sourceLineNo">087</span> System.out.print((modified[i] & (1L << j)) != 0 ? "1" : "0");<a name="line.87"></a>
-<span class="sourceLineNo">088</span> }<a name="line.88"></a>
-<span class="sourceLineNo">089</span> System.out.println(" " + i);<a name="line.89"></a>
-<span class="sourceLineNo">090</span> }<a name="line.90"></a>
-<span class="sourceLineNo">091</span> System.out.println();<a name="line.91"></a>
-<span class="sourceLineNo">092</span> System.out.println("Delete:");<a name="line.92"></a>
-<span class="sourceLineNo">093</span> for (int i = 0; i < deleted.length; ++i) {<a name="line.93"></a>
-<span class="sourceLineNo">094</span> for (int j = 0; j < BITS_PER_WORD; ++j) {<a name="line.94"></a>
-<span class="sourceLineNo">095</span> System.out.print((deleted[i] & (1L << j)) != 0 ? "1" : "0");<a name="line.95"></a>
-<span class="sourceLineNo">096</span> }<a name="line.96"></a>
-<span class="sourceLineNo">097</span> System.out.println(" " + i);<a name="line.97"></a>
-<span class="sourceLineNo">098</span> }<a name="line.98"></a>
-<span class="sourceLineNo">099</span> System.out.println();<a name="line.99"></a>
-<span class="sourceLineNo">100</span> }<a name="line.100"></a>
-<span class="sourceLineNo">101</span><a name="line.101"></a>
-<span class="sourceLineNo">102</span> public BitSetNode(long procId, boolean partial) {<a name="line.102"></a>
-<span class="sourceLineNo">103</span> start = alignDown(procId);<a name="line.103"></a>
-<span class="sourceLineNo">104</span><a name="line.104"></a>
-<span class="sourceLineNo">105</span> int count = 1;<a name="line.105"></a>
-<span class="sourceLineNo">106</span> modified = new long[count];<a name="line.106"></a>
-<span class="sourceLineNo">107</span> deleted = new long[count];<a name="line.107"></a>
-<span class="sourceLineNo">108</span> if (!partial) {<a name="line.108"></a>
-<span class="sourceLineNo">109</span> Arrays.fill(deleted, WORD_MASK);<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> this.partial = partial;<a name="line.112"></a>
-<span class="sourceLineNo">113</span> updateState(procId, false);<a name="line.113"></a>
-<span class="sourceLineNo">114</span> }<a name="line.114"></a>
-<span class="sourceLineNo">115</span><a name="line.115"></a>
-<span class="sourceLineNo">116</span> public BitSetNode(ProcedureProtos.ProcedureStoreTracker.TrackerNode data) {<a name="line.116"></a>
-<span class="sourceLineNo">117</span> start = data.getStartId();<a name="line.117"></a>
-<span class="sourceLineNo">118</span> int size = data.getUpdatedCount();<a name="line.118"></a>
-<span class="sourceLineNo">119</span> assert size == data.getDeletedCount();<a name="line.119"></a>
-<span class="sourceLineNo">120</span> modified = new long[size];<a name="line.120"></a>
-<span class="sourceLineNo">121</span> deleted = new long[size];<a name="line.121"></a>
-<span class="sourceLineNo">122</span> for (int i = 0; i < size; ++i) {<a name="line.122"></a>
-<span class="sourceLineNo">123</span> modified[i] = data.getUpdated(i);<a name="line.123"></a>
-<span class="sourceLineNo">124</span> deleted[i] = data.getDeleted(i);<a name="line.124"></a>
-<span class="sourceLineNo">125</span> }<a name="line.125"></a>
-<span class="sourceLineNo">126</span> partial = false;<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> public BitSetNode(BitSetNode other, boolean resetDelete) {<a name="line.129"></a>
-<span class="sourceLineNo">130</span> this.start = other.start;<a name="line.130"></a>
-<span class="sourceLineNo">131</span> this.partial = other.partial;<a name="line.131"></a>
-<span class="sourceLineNo">132</span> this.modified = other.modified.clone();<a name="line.132"></a>
-<span class="sourceLineNo">133</span> // The resetDelete will be set to true when building cleanup tracker.<a name="line.133"></a>
-<span class="sourceLineNo">134</span> // The intention here is that, if a procedure is not modified in this tracker, then we do not<a name="line.134"></a>
-<span class="sourceLineNo">135</span> // need to take care of it, so we will set deleted to true for these bits, i.e, if modified is<a name="line.135"></a>
-<span class="sourceLineNo">136</span> // 0, then we set deleted to 1, otherwise keep it as is. So here, the equation is<a name="line.136"></a>
-<span class="sourceLineNo">137</span> // deleted |= ~modified, i.e,<a name="line.137"></a>
-<span class="sourceLineNo">138</span> if (resetDelete) {<a name="line.138"></a>
-<span class="sourceLineNo">139</span> this.deleted = new long[other.deleted.length];<a name="line.139"></a>
-<span class="sourceLineNo">140</span> for (int i = 0; i < this.deleted.length; ++i) {<a name="line.140"></a>
-<span class="sourceLineNo">141</span> this.deleted[i] |= ~(other.modified[i]);<a name="line.141"></a>
-<span class="sourceLineNo">142</span> }<a name="line.142"></a>
-<span class="sourceLineNo">143</span> } else {<a name="line.143"></a>
-<span class="sourceLineNo">144</span> this.deleted = other.deleted.clone();<a name="line.144"></a>
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-<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 void insertOrUpdate(final long procId) {<a name="line.148"></a>
-<span class="sourceLineNo">149</span> updateState(procId, false);<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 void delete(final long procId) {<a name="line.152"></a>
-<span class="sourceLineNo">153</span> updateState(procId, true);<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> public long getStart() {<a name="line.156"></a>
-<span class="sourceLineNo">157</span> return start;<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> public long getEnd() {<a name="line.160"></a>
-<span class="sourceLineNo">161</span> return start + (modified.length << ADDRESS_BITS_PER_WORD) - 1;<a name="line.161"></a>
-<span class="sourceLineNo">162</span> }<a name="line.162"></a>
-<span class="sourceLineNo">163</span><a name="line.163"></a>
-<span class="sourceLineNo">164</span> public boolean contains(final long procId) {<a name="line.164"></a>
-<span class="sourceLineNo">165</span> return start <= procId && procId <= getEnd();<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> public DeleteState isDeleted(final long procId) {<a name="line.168"></a>
-<span class="sourceLineNo">169</span> int bitmapIndex = getBitmapIndex(procId);<a name="line.169"></a>
-<span class="sourceLineNo">170</span> int wordIndex = bitmapIndex >> ADDRESS_BITS_PER_WORD;<a name="line.170"></a>
-<span class="sourceLineNo">171</span> if (wordIndex >= deleted.length) {<a name="line.171"></a>
-<span class="sourceLineNo">172</span> return DeleteState.MAYBE;<a name="line.172"></a>
-<span class="sourceLineNo">173</span> }<a name="line.173"></a>
-<span class="sourceLineNo">174</span> return (deleted[wordIndex] & (1L << bitmapIndex)) != 0 ? DeleteState.YES : DeleteState.NO;<a name="line.174"></a>
-<span class="sourceLineNo">175</span> }<a name="line.175"></a>
-<span class="sourceLineNo">176</span><a name="line.176"></a>
-<span class="sourceLineNo">177</span> public boolean isModified(long procId) {<a name="line.177"></a>
-<span class="sourceLineNo">178</span> int bitmapIndex = getBitmapIndex(procId);<a name="line.178"></a>
-<span class="sourceLineNo">179</span> int wordIndex = bitmapIndex >> ADDRESS_BITS_PER_WORD;<a name="line.179"></a>
-<span class="sourceLineNo">180</span> if (wordIndex >= modified.length) {<a name="line.180"></a>
-<span class="sourceLineNo">181</span> return false;<a name="line.181"></a>
-<span class="sourceLineNo">182</span> }<a name="line.182"></a>
-<span class="sourceLineNo">183</span> return (modified[wordIndex] & (1L << bitmapIndex)) != 0;<a name="line.183"></a>
-<span class="sourceLineNo">184</span> }<a name="line.184"></a>
-<span class="sourceLineNo">185</span><a name="line.185"></a>
-<span class="sourceLineNo">186</span> /**<a name="line.186"></a>
-<span class="sourceLineNo">187</span> * @return true, if all the procedures has been modified.<a name="line.187"></a>
-<span class="sourceLineNo">188</span> */<a name="line.188"></a>
-<span class="sourceLineNo">189</span> public boolean isAllModified() {<a name="line.189"></a>
-<span class="sourceLineNo">190</span> // TODO: cache the value<a name="line.190"></a>
-<span class="sourceLineNo">191</span> for (int i = 0; i < modified.length; ++i) {<a name="line.191"></a>
-<span class="sourceLineNo">192</span> if ((modified[i] | deleted[i]) != WORD_MASK) {<a name="line.192"></a>
-<span class="sourceLineNo">193</span> return false;<a name="line.193"></a>
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-<span class="sourceLineNo">199</span> /**<a name="line.199"></a>
-<span class="sourceLineNo">200</span> * @return true, if there are no active procedures in this BitSetNode, else false.<a name="line.200"></a>
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-<span class="sourceLineNo">204</span> for (int i = 0; i < deleted.length; ++i) {<a name="line.204"></a>
-<span class="sourceLineNo">205</span> if (deleted[i] != WORD_MASK) {<a name="line.205"></a>
-<span class="sourceLineNo">206</span> return false;<a name="line.206"></a>
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-<span class="sourceLineNo">212</span> public void resetModified() {<a name="line.212"></a>
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-<span class="sourceLineNo">214</span> }<a name="line.214"></a>
-<span class="sourceLineNo">215</span><a name="line.215"></a>
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-<span class="sourceLineNo">219</span> for (int j = 0; j < BITS_PER_WORD; ++j) {<a name="line.219"></a>
-<span class="sourceLineNo">220</span> if ((modified[i] & (1L << j)) == 0) {<a name="line.220"></a>
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-<span class="sourceLineNo">226</span><a name="line.226"></a>
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-<span class="sourceLineNo">236</span> for (int i = 0; i < modified.length; ++i) {<a name="line.236"></a>
-<span class="sourceLineNo">237</span> builder.addUpdated(modified[i]);<a name="line.237"></a>
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-<span class="sourceLineNo">243</span> // ========================================================================<a name="line.243"></a>
-<span class="sourceLineNo">244</span> // Grow/Merge Helpers<a name="line.244"></a>
-<span class="sourceLineNo">245</span> // ========================================================================<a name="line.245"></a>
-<span class="sourceLineNo">246</span> public boolean canGrow(final long procId) {<a name="line.246"></a>
-<span class="sourceLineNo">247</span> return Math.abs(procId - start) < MAX_NODE_SIZE;<a name="line.247"></a>
+<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos;<a name="line.26"></a>
+<span class="sourceLineNo">027</span><a name="line.27"></a>
+<span class="sourceLineNo">028</span>/**<a name="line.28"></a>
+<span class="sourceLineNo">029</span> * A bitmap which can grow/merge with other {@link BitSetNode} (if certain conditions are met).<a name="line.29"></a>
+<span class="sourceLineNo">030</span> * Boundaries of bitmap are aligned to multiples of {@link BitSetNode#BITS_PER_WORD}. So the range<a name="line.30"></a>
+<span class="sourceLineNo">031</span> * of a {@link BitSetNode} is from [x * K, y * K) where x and y are integers, y > x and K is<a name="line.31"></a>
+<span class="sourceLineNo">032</span> * BITS_PER_WORD.<a name="line.32"></a>
+<span class="sourceLineNo">033</span> * <p/><a name="line.33"></a>
+<span class="sourceLineNo">034</span> * We have two main bit sets to describe the state of procedures, the meanings are:<a name="line.34"></a>
+<span class="sourceLineNo">035</span> *<a name="line.35"></a>
+<span class="sourceLineNo">036</span> * <pre><a name="line.36"></a>
+<span class="sourceLineNo">037</span> * ----------------------<a name="line.37"></a>
+<span class="sourceLineNo">038</span> * | modified | deleted | meaning<a name="line.38"></a>
+<span class="sourceLineNo">039</span> * | 0 | 0 | proc exists, but hasn't been updated since last resetUpdates().<a name="line.39"></a>
+<span class="sourceLineNo">040</span> * | 1 | 0 | proc was updated (but not deleted).<a name="line.40"></a>
+<span class="sourceLineNo">041</span> * | 1 | 1 | proc was deleted.<a name="line.41"></a>
+<span class="sourceLineNo">042</span> * | 0 | 1 | proc doesn't exist (maybe never created, maybe deleted in past).<a name="line.42"></a>
+<span class="sourceLineNo">043</span> * ----------------------<a name="line.43"></a>
+<span class="sourceLineNo">044</span> * </pre><a name="line.44"></a>
+<span class="sourceLineNo">045</span> *<a name="line.45"></a>
+<span class="sourceLineNo">046</span> * The meaning of modified is that, we have modified the state of the procedure, no matter insert,<a name="line.46"></a>
+<span class="sourceLineNo">047</span> * update, or delete. And if it is an insert or update, we will set the deleted to 0, if not we will<a name="line.47"></a>
+<span class="sourceLineNo">048</span> * set the delete to 1.<a name="line.48"></a>
+<span class="sourceLineNo">049</span> * <p/><a name="line.49"></a>
+<span class="sourceLineNo">050</span> * For a non-partial BitSetNode, the initial modified value is 0 and deleted value is 1. For the<a name="line.50"></a>
+<span class="sourceLineNo">051</span> * partial one, the initial modified value is 0 and the initial deleted value is also 0. In<a name="line.51"></a>
+<span class="sourceLineNo">052</span> * {@link #unsetPartialFlag()} we will reset the deleted to 1 if it is not modified.<a name="line.52"></a>
+<span class="sourceLineNo">053</span> */<a name="line.53"></a>
+<span class="sourceLineNo">054</span>@InterfaceAudience.Private<a name="line.54"></a>
+<span class="sourceLineNo">055</span>class BitSetNode {<a name="line.55"></a>
+<span class="sourceLineNo">056</span> private static final long WORD_MASK = 0xffffffffffffffffL;<a name="line.56"></a>
+<span class="sourceLineNo">057</span> private static final int ADDRESS_BITS_PER_WORD = 6;<a name="line.57"></a>
+<span class="sourceLineNo">058</span> private static final int BITS_PER_WORD = 1 << ADDRESS_BITS_PER_WORD;<a name="line.58"></a>
+<span class="sourceLineNo">059</span> private static final int MAX_NODE_SIZE = 1 << ADDRESS_BITS_PER_WORD;<a name="line.59"></a>
+<span class="sourceLineNo">060</span><a name="line.60"></a>
+<span class="sourceLineNo">061</span> /**<a name="line.61"></a>
+<span class="sourceLineNo">062</span> * Mimics {@link ProcedureStoreTracker#partial}. It will effect how we fill the new deleted bits<a name="line.62"></a>
+<span class="sourceLineNo">063</span> * when growing.<a name="line.63"></a>
+<span class="sourceLineNo">064</span> */<a name="line.64"></a>
+<span class="sourceLineNo">065</span> private boolean partial;<a name="line.65"></a>
+<span class="sourceLineNo">066</span><a name="line.66"></a>
+<span class="sourceLineNo">067</span> /**<a name="line.67"></a>
+<span class="sourceLineNo">068</span> * Set of procedures which have been modified since last {@link #resetModified()}. Useful to track<a name="line.68"></a>
+<span class="sourceLineNo">069</span> * procedures which have been modified since last WAL write.<a name="line.69"></a>
+<span class="sourceLineNo">070</span> */<a name="line.70"></a>
+<span class="sourceLineNo">071</span> private long[] modified;<a name="line.71"></a>
+<span class="sourceLineNo">072</span><a name="line.72"></a>
+<span class="sourceLineNo">073</span> /**<a name="line.73"></a>
+<span class="sourceLineNo">074</span> * Keeps track of procedure ids which belong to this bitmap's range and have been deleted. This<a name="line.74"></a>
+<span class="sourceLineNo">075</span> * represents global state since it's not reset on WAL rolls.<a name="line.75"></a>
+<span class="sourceLineNo">076</span> */<a name="line.76"></a>
+<span class="sourceLineNo">077</span> private long[] deleted;<a name="line.77"></a>
+<span class="sourceLineNo">078</span> /**<a name="line.78"></a>
+<span class="sourceLineNo">079</span> * Offset of bitmap i.e. procedure id corresponding to first bit.<a name="line.79"></a>
+<span class="sourceLineNo">080</span> */<a name="line.80"></a>
+<span class="sourceLineNo">081</span> private long start;<a name="line.81"></a>
+<span class="sourceLineNo">082</span><a name="line.82"></a>
+<span class="sourceLineNo">083</span> public void dump() {<a name="line.83"></a>
+<span class="sourceLineNo">084</span> System.out.printf("%06d:%06d min=%d max=%d%n", getStart(), getEnd(), getActiveMinProcId(),<a name="line.84"></a>
+<span class="sourceLineNo">085</span> getActiveMaxProcId());<a name="line.85"></a>
+<span class="sourceLineNo">086</span> System.out.println("Modified:");<a name="line.86"></a>
+<span class="sourceLineNo">087</span> for (int i = 0; i < modified.length; ++i) {<a name="line.87"></a>
+<span class="sourceLineNo">088</span> for (int j = 0; j < BITS_PER_WORD; ++j) {<a name="line.88"></a>
+<span class="sourceLineNo">089</span> System.out.print((modified[i] & (1L << j)) != 0 ? "1" : "0");<a name="line.89"></a>
+<span class="sourceLineNo">090</span> }<a name="line.90"></a>
+<span class="sourceLineNo">091</span> System.out.println(" " + i);<a name="line.91"></a>
+<span class="sourceLineNo">092</span> }<a name="line.92"></a>
+<span class="sourceLineNo">093</span> System.out.println();<a name="line.93"></a>
+<span class="sourceLineNo">094</span> System.out.println("Delete:");<a name="line.94"></a>
+<span class="sourceLineNo">095</span> for (int i = 0; i < deleted.length; ++i) {<a name="line.95"></a>
+<span class="sourceLineNo">096</span> for (int j = 0; j < BITS_PER_WORD; ++j) {<a name="line.96"></a>
+<span class="sourceLineNo">097</span> System.out.print((deleted[i] & (1L << j)) != 0 ? "1" : "0");<a name="line.97"></a>
+<span class="sourceLineNo">098</span> }<a name="line.98"></a>
+<span class="sourceLineNo">099</span> System.out.println(" " + i);<a name="line.99"></a>
+<span class="sourceLineNo">100</span> }<a name="line.100"></a>
+<span class="sourceLineNo">101</span> System.out.println();<a name="line.101"></a>
+<span class="sourceLineNo">102</span> }<a name="line.102"></a>
+<span class="sourceLineNo">103</span><a name="line.103"></a>
+<span class="sourceLineNo">104</span> public BitSetNode(long procId, boolean partial) {<a name="line.104"></a>
+<span class="sourceLineNo">105</span> start = alignDown(procId);<a name="line.105"></a>
+<span class="sourceLineNo">106</span><a name="line.106"></a>
+<span class="sourceLineNo">107</span> int count = 1;<a name="line.107"></a>
+<span class="sourceLineNo">108</span> modified = new long[count];<a name="line.108"></a>
+<span class="sourceLineNo">109</span> deleted = new long[count];<a name="line.109"></a>
+<span class="sourceLineNo">110</span> if (!partial) {<a name="line.110"></a>
+<span class="sourceLineNo">111</span> Arrays.fill(deleted, WORD_MASK);<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> this.partial = partial;<a name="line.114"></a>
+<span class="sourceLineNo">115</span> updateState(procId, false);<a name="line.115"></a>
+<span class="sourceLineNo">116</span> }<a name="line.116"></a>
+<span class="sourceLineNo">117</span><a name="line.117"></a>
+<span class="sourceLineNo">118</span> public BitSetNode(ProcedureProtos.ProcedureStoreTracker.TrackerNode data) {<a name="line.118"></a>
+<span class="sourceLineNo">119</span> start = data.getStartId();<a name="line.119"></a>
+<span class="sourceLineNo">120</span> int size = data.getUpdatedCount();<a name="line.120"></a>
+<span class="sourceLineNo">121</span> assert size == data.getDeletedCount();<a name="line.121"></a>
+<span class="sourceLineNo">122</span> modified = new long[size];<a name="line.122"></a>
+<span class="sourceLineNo">123</span> deleted = new long[size];<a name="line.123"></a>
+<span class="sourceLineNo">124</span> for (int i = 0; i < size; ++i) {<a name="line.124"></a>
+<span class="sourceLineNo">125</span> modified[i] = data.getUpdated(i);<a name="line.125"></a>
+<span class="sourceLineNo">126</span> deleted[i] = data.getDeleted(i);<a name="line.126"></a>
+<span class="sourceLineNo">127</span> }<a name="line.127"></a>
+<span class="sourceLineNo">128</span> partial = false;<a name="line.128"></a>
+<span class="sourceLineNo">129</span> }<a name="line.129"></a>
+<span class="sourceLineNo">130</span><a name="line.130"></a>
+<span class="sourceLineNo">131</span> public BitSetNode(BitSetNode other, boolean resetDelete) {<a name="line.131"></a>
+<span class="sourceLineNo">132</span> this.start = other.start;<a name="line.132"></a>
+<span class="sourceLineNo">133</span> this.partial = other.partial;<a name="line.133"></a>
+<span class="sourceLineNo">134</span> this.modified = other.modified.clone();<a name="line.134"></a>
+<span class="sourceLineNo">135</span> // The resetDelete will be set to true when building cleanup tracker.<a name="line.135"></a>
+<span class="sourceLineNo">136</span> // The intention here is that, if a procedure is not modified in this tracker, then we do not<a name="line.136"></a>
+<span class="sourceLineNo">137</span> // need to take care of it, so we will set deleted to true for these bits, i.e, if modified is<a name="line.137"></a>
+<span class="sourceLineNo">138</span> // 0, then we set deleted to 1, otherwise keep it as is. So here, the equation is<a name="line.138"></a>
+<span class="sourceLineNo">139</span> // deleted |= ~modified, i.e,<a name="line.139"></a>
+<span class="sourceLineNo">140</span> if (resetDelete) {<a name="line.140"></a>
+<span class="sourceLineNo">141</span> this.deleted = new long[other.deleted.length];<a name="line.141"></a>
+<span class="sourceLineNo">142</span> for (int i = 0; i < this.deleted.length; ++i) {<a name="line.142"></a>
+<span class="sourceLineNo">143</span> this.deleted[i] |= ~(other.modified[i]);<a name="line.143"></a>
+<span class="sourceLineNo">144</span> }<a name="line.144"></a>
+<span class="sourceLineNo">145</span> } else {<a name="line.145"></a>
+<span class="sourceLineNo">146</span> this.deleted = other.deleted.clone();<a name="line.146"></a>
+<span class="sourceLineNo">147</span> }<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> public void insertOrUpdate(final long procId) {<a name="line.150"></a>
+<span class="sourceLineNo">151</span> updateState(procId, false);<a name="line.151"></a>
+<span class="sourceLineNo">152</span> }<a name="line.152"></a>
+<span class="sourceLineNo">153</span><a name="line.153"></a>
+<span class="sourceLineNo">154</span> public void delete(final long procId) {<a name="line.154"></a>
+<span class="sourceLineNo">155</span> updateState(procId, true);<a name="line.155"></a>
+<span class="sourceLineNo">156</span> }<a name="line.156"></a>
+<span class="sourceLineNo">157</span><a name="line.157"></a>
+<span class="sourceLineNo">158</span> public long getStart() {<a name="line.158"></a>
+<span class="sourceLineNo">159</span> return start;<a name="line.159"></a>
+<span class="sourceLineNo">160</span> }<a name="line.160"></a>
+<span class="sourceLineNo">161</span><a name="line.161"></a>
+<span class="sourceLineNo">162</span> public long getEnd() {<a name="line.162"></a>
+<span class="sourceLineNo">163</span> return start + (modified.length << ADDRESS_BITS_PER_WORD) - 1;<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> public boolean contains(final long procId) {<a name="line.166"></a>
+<span class="sourceLineNo">167</span> return start <= procId && procId <= getEnd();<a name="line.167"></a>
+<span class="sourceLineNo">168</span> }<a name="line.168"></a>
+<span class="sourceLineNo">169</span><a name="line.169"></a>
+<span class="sourceLineNo">170</span> public DeleteState isDeleted(final long procId) {<a name="line.170"></a>
+<span class="sourceLineNo">171</span> int bitmapIndex = getBitmapIndex(procId);<a name="line.171"></a>
+<span class="sourceLineNo">172</span> int wordIndex = bitmapIndex >> ADDRESS_BITS_PER_WORD;<a name="line.172"></a>
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+<span class="sourceLineNo">174</span> return DeleteState.MAYBE;<a name="line.174"></a>
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+<span class="sourceLineNo">176</span> return (deleted[wordIndex] & (1L << bitmapIndex)) != 0 ? DeleteState.YES : DeleteState.NO;<a name="line.176"></a>
+<span class="sourceLineNo">177</span> }<a name="line.177"></a>
+<span class="sourceLineNo">178</span><a name="line.178"></a>
+<span class="sourceLineNo">179</span> public boolean isModified(long procId) {<a name="line.179"></a>
+<span class="sourceLineNo">180</span> int bitmapIndex = getBitmapIndex(procId);<a name="line.180"></a>
+<span class="sourceLineNo">181</span> int wordIndex = bitmapIndex >> ADDRESS_BITS_PER_WORD;<a name="line.181"></a>
+<span class="sourceLineNo">182</span> if (wordIndex >= modified.length) {<a name="line.182"></a>
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+<span class="sourceLineNo">185</span> return (modified[wordIndex] & (1L << bitmapIndex)) != 0;<a name="line.185"></a>
+<span class="sourceLineNo">186</span> }<a name="line.186"></a>
+<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> * @return true, if all the procedures has been modified.<a name="line.189"></a>
+<span class="sourceLineNo">190</span> */<a name="line.190"></a>
+<span class="sourceLineNo">191</span> public boolean isAllModified() {<a name="line.191"></a>
+<span class="sourceLineNo">192</span> // TODO: cache the value<a name="line.192"></a>
+<span class="sourceLineNo">193</span> for (int i = 0; i < modified.length; ++i) {<a name="line.193"></a>
+<span class="sourceLineNo">194</span> if ((modified[i] | deleted[i]) != WORD_MASK) {<a name="line.194"></a>
+<span class="sourceLineNo">195</span> return false;<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> return true;<a name="line.198"></a>
+<span class="sourceLineNo">199</span> }<a name="line.199"></a>
+<span class="sourceLineNo">200</span><a name="line.200"></a>
+<span class="sourceLineNo">201</span> /**<a name="line.201"></a>
+<span class="sourceLineNo">202</span> * @return all the active procedure ids in this bit set.<a name="line.202"></a>
+<span class="sourceLineNo">203</span> */<a name="line.203"></a>
+<span class="sourceLineNo">204</span> public long[] getActiveProcIds() {<a name="line.204"></a>
+<span class="sourceLineNo">205</span> List<Long> procIds = new ArrayList<>();<a name="line.205"></a>
+<span class="sourceLineNo">206</span> for (int wordIndex = 0; wordIndex < modified.length; wordIndex++) {<a name="line.206"></a>
+<span class="sourceLineNo">207</span> if (deleted[wordIndex] == WORD_MASK || modified[wordIndex] == 0) {<a name="line.207"></a>
+<span class="sourceLineNo">208</span> // This should be the common case, where most procedures has been deleted.<a name="line.208"></a>
+<span class="sourceLineNo">209</span> continue;<a name="line.209"></a>
+<span class="sourceLineNo">210</span> }<a name="line.210"></a>
+<span class="sourceLineNo">211</span> long baseProcId = getStart() + (wordIndex << ADDRESS_BITS_PER_WORD);<a name="line.211"></a>
+<span class="sourceLineNo">212</span> for (int i = 0; i < (1 << ADDRESS_BITS_PER_WORD); i++) {<a name="line.212"></a>
+<span class="sourceLineNo">213</span> long mask = 1L << i;<a name="line.213"></a>
+<span class="sourceLineNo">214</span> if ((deleted[wordIndex] & mask) == 0 && (modified[wordIndex] & mask) != 0) {<a name="line.214"></a>
+<span class="sourceLineNo">215</span> procIds.add(baseProcId + i);<a name="line.215"></a>
+<span class="sourceLineNo">216</span> }<a name="line.216"></a>
+<span class="sourceLineNo">217</span> }<a name="line.217"></a>
+<span class="sourceLineNo">218</span> }<a name="line.218"></a>
+<span class="sourceLineNo">219</span> return procIds.stream().mapToLong(Long::longValue).toArray();<a name="line.219"></a>
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+<span class="sourceLineNo">221</span><a name="line.221"></a>
+<span class="sourceLineNo">222</span> /**<a name="line.222"></a>
+<span class="sourceLineNo">223</span> * @return true, if there are no active procedures in this BitSetNode, else false.<a name="line.223"></a>
+<span class="sourceLineNo">224</span> */<a name="line.224"></a>
+<span class="sourceLineNo">225</span> public boolean isEmpty() {<a name="line.225"></a>
+<span class="sourceLineNo">226</span> // TODO: cache the value<a name="line.226"></a>
+<span class="sourceLineNo">227</span> for (int i = 0; i < deleted.length; ++i) {<a name="line.227"></a>
+<span class="sourceLineNo">228</span> if (deleted[i] != WORD_MASK) {<a name="line.228"></a>
+<span class="sourceLineNo">229</span> return false;<a name="line.229"></a>
+<span class="sourceLineNo">230</span> }<a name="line.230"></a>
+<span class="sourceLineNo">231</span> }<a name="line.231"></a>
+<span class="sourceLineNo">232</span> return true;<a name="line.232"></a>
+<span class="sourceLineNo">233</span> }<a name="line.233"></a>
+<span class="sourceLineNo">234</span><a name="line.234"></a>
+<span class="sourceLineNo">235</span> public void resetModified() {<a name="line.235"></a>
+<span class="sourceLineNo">236</span> Arrays.fill(modified, 0);<a name="line.236"></a>
+<span class="sourceLineNo">237</span> }<a name="line.237"></a>
+<span class="sourceLineNo">238</span><a name="line.238"></a>
+<span class="sourceLineNo">239</span> public void unsetPartialFlag() {<a name="line.239"></a>
+<span class="sourceLineNo">240</span> partial = false;<a name="line.240"></a>
+<span class="sourceLineNo">241</span> for (int i = 0; i < modified.length; ++i) {<a name="line.241"></a>
+<span class="sourceLineNo">242</span> for (int j = 0; j < BITS_PER_WORD; ++j) {<a name="line.242"></a>
+<span class="sourceLineNo">243</span> if ((modified[i] & (1L << j)) == 0) {<a name="line.243"></a>
+<span class="sourceLineNo">244</span> deleted[i] |= (1L << j);<a name="line.244"></a>
+<span class="sourceLineNo">245</span> }<a name="line.245"></a>
+<span class="sourceLineNo">246</span> }<a name="line.246"></a>
+<span class="sourceLineNo">247</span> }<a name="line.247"></a>
<span class="sourceLineNo">248</span> }<a name="line.248"></a>
<span class="sourceLineNo">249</span><a name="line.249"></a>
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-<span class="sourceLineNo">251</span> // Can just compare 'starts' since boundaries are aligned to multiples of BITS_PER_WORD.<a name="line.251"></a>
-<span class="sourceLineNo">252</span> assert start < rightNode.start;<a name="line.252"></a>
-<span class="sourceLineNo">253</span> return (rightNode.getEnd() - start) < MAX_NODE_SIZE;<a name="line.253"></a>
-<span class="sourceLineNo">254</span> }<a name="line.254"></a>
-<span class="sourceLineNo">255</span><a name="line.255"></a>
-<span class="sourceLineNo">256</span> public void grow(final long procId) {<a name="line.256"></a>
-<span class="sourceLineNo">257</span> int delta, offset;<a name="line.257"></a>
-<span class="sourceLineNo">258</span><a name="line.258"></a>
-<span class="sourceLineNo">259</span> if (procId < start) {<a name="line.259"></a>
-<span class="sourceLineNo">260</span> // add to head<a name="line.260"></a>
-<span class="sourceLineNo">261</span> long newStart = alignDown(procId);<a name="line.261"></a>
-<span class="sourceLineNo">262</span> delta = (int) (start - newStart) >> ADDRESS_BITS_PER_WORD;<a name="line.262"></a>
-<span class="sourceLineNo">263</span> offset = delta;<a name="line.263"></a>
-<span class="sourceLineNo">264</span> start = newStart;<a name="line.264"></a>
-<span class="sourceLineNo">265</span> } else {<a name="line.265"></a>
-<span class="sourceLineNo">266</span> // Add to tail<a name="line.266"></a>
-<span class="sourceLineNo">267</span> long newEnd = alignUp(procId + 1);<a name="line.267"></a>
-<span class="sourceLineNo">268</span> delta = (int) (newEnd - getEnd()) >> ADDRESS_BITS_PER_WORD;<a name="line.268"></a>
-<span class="sourceLineNo">269</span> offset = 0;<a name="line.269"></a>
-<span class="sourceLineNo">270</span> }<a name="line.270"></a>
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+<span class="sourceLineNo">338</span> public String toString() {<a name="line.338"></a>
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-<span class="sourceLineNo">391</span> /**<a name="line.391"></a>
-<span class="sourceLineNo">392</span> * @return lower boundary (aligned to multiple of BITS_PER_WORD) of bitmap range x belongs to.<a name="line.392"></a>
-<span class="sourceLineNo">393</span> */<a name="line.393"></a>
-<span class="sourceLineNo">394</span> private static long alignDown(final long x) {<a name="line.394"></a>
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-<span class="sourceLineNo">396</span> }<a name="line.396"></a>
-<span class="sourceLineNo">397</span>}<a name="line.397"></a>
+<span class="sourceLineNo">391</span> void updateState(long procId, boolean isDeleted) {<a name="line.391"></a>
+<span class="sourceLineNo">392</span> int bitmapIndex = getBitmapIndex(procId);<a name="line.392"></a>
+<span class="sourceLineNo">393</span> int wordIndex = bitmapIndex >> ADDRESS_BITS_PER_WORD;<a name="line.393"></a>
+<span class="sourceLineNo">394</span> long value = (1L << bitmapIndex);<a name="line.394"></a>
+<span class="sourceLineNo">395</span><a name="line.395"></a>
+<span class="sourceLineNo">396</span> modified[wordIndex] |= value;<a name="line.396"></a>
+<span class="sourceLineNo">397</span> if (isDeleted) {<a name="line.397"></a>
+<span class="sourceLineNo">398</span> deleted[wordIndex] |= value;<a name="line.398"></a>
+<span class="sourceLineNo">399</span> } else {<a name="line.399"></a>
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+<span class="sourceLineNo">401</span> }<a name="line.401"></a>
+<span class="sourceLineNo">402</span> }<a name="line.402"></a>
+<span class="sourceLineNo">403</span><a name="line.403"></a>
+<span class="sourceLineNo">404</span> // ========================================================================<a name="line.404"></a>
+<span class="sourceLineNo">405</span> // Helpers<a name="line.405"></a>
+<span class="sourceLineNo">406</span> // ========================================================================<a name="line.406"></a>
+<span class="sourceLineNo">407</span> /**<a name="line.407"></a>
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+<span class="sourceLineNo">410</span> private static long alignUp(final long x) {<a name="line.410"></a>
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+<span class="sourceLineNo">412</span> }<a name="line.412"></a>
+<span class="sourceLineNo">413</span><a name="line.413"></a>
+<span class="sourceLineNo">414</span> /**<a name="line.414"></a>
+<span class="sourceLineNo">415</span> * @return lower boundary (aligned to multiple of BITS_PER_WORD) of bitmap range x belongs to.<a name="line.415"></a>
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+<span class="sourceLineNo">417</span> private static long alignDown(final long x) {<a name="line.417"></a>
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+<span class="sourceLineNo">419</span> }<a name="line.419"></a>
+<span class="sourceLineNo">420</span>}<a name="line.420"></a>