http://git-wip-us.apache.org/repos/asf/hbase-site/blob/f8d69509/devapidocs/src-html/org/apache/hadoop/hbase/coprocessor/BaseRegionObserver.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/coprocessor/BaseRegionObserver.html b/devapidocs/src-html/org/apache/hadoop/hbase/coprocessor/BaseRegionObserver.html index 7da9c24..d9bb814 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/coprocessor/BaseRegionObserver.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/coprocessor/BaseRegionObserver.html @@ -79,7 +79,7 @@ <span class="sourceLineNo">071</span> */<a name="line.71"></a> <span class="sourceLineNo">072</span>@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.COPROC)<a name="line.72"></a> <span class="sourceLineNo">073</span>@InterfaceStability.Evolving<a name="line.73"></a> -<span class="sourceLineNo">074</span>public abstract class BaseRegionObserver implements RegionObserver {<a name="line.74"></a> +<span class="sourceLineNo">074</span>public class BaseRegionObserver implements RegionObserver {<a name="line.74"></a> <span class="sourceLineNo">075</span> @Override<a name="line.75"></a> <span class="sourceLineNo">076</span> public void start(CoprocessorEnvironment e) throws IOException { }<a name="line.76"></a> <span class="sourceLineNo">077</span><a name="line.77"></a>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/f8d69509/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/BlockCacheKey.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/BlockCacheKey.html b/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/BlockCacheKey.html index ec4de84..3563131 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/BlockCacheKey.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/BlockCacheKey.html @@ -38,75 +38,84 @@ <span class="sourceLineNo">030</span> private static final long serialVersionUID = -5199992013113130534L;<a name="line.30"></a> <span class="sourceLineNo">031</span> private final String hfileName;<a name="line.31"></a> <span class="sourceLineNo">032</span> private final long offset;<a name="line.32"></a> -<span class="sourceLineNo">033</span> private final boolean isPrimaryReplicaBlock;<a name="line.33"></a> -<span 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class="sourceLineNo">057</span> if (o instanceof BlockCacheKey) {<a name="line.57"></a> -<span class="sourceLineNo">058</span> BlockCacheKey k = (BlockCacheKey) o;<a name="line.58"></a> -<span class="sourceLineNo">059</span> return offset == k.offset<a name="line.59"></a> -<span class="sourceLineNo">060</span> && (hfileName == null ? k.hfileName == null : hfileName<a name="line.60"></a> -<span class="sourceLineNo">061</span> .equals(k.hfileName));<a name="line.61"></a> -<span class="sourceLineNo">062</span> } else {<a name="line.62"></a> -<span class="sourceLineNo">063</span> return false;<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><a name="line.66"></a> -<span class="sourceLineNo">067</span> @Override<a name="line.67"></a> -<span class="sourceLineNo">068</span> public String toString() {<a name="line.68"></a> -<span class="sourceLineNo">069</span> return String.format("%s_%d", hfileName, offset);<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> public static final long FIXED_OVERHEAD = ClassSize.align(ClassSize.OBJECT +Bytes.SIZEOF_BOOLEAN +<a name="line.72"></a> -<span class="sourceLineNo">073</span> ClassSize.REFERENCE + // this.hfileName<a name="line.73"></a> -<span class="sourceLineNo">074</span> Bytes.SIZEOF_LONG); // this.offset<a name="line.74"></a> -<span class="sourceLineNo">075</span><a name="line.75"></a> -<span class="sourceLineNo">076</span> /**<a name="line.76"></a> -<span class="sourceLineNo">077</span> * Strings have two bytes per character due to default Java Unicode encoding<a name="line.77"></a> -<span class="sourceLineNo">078</span> * (hence length times 2).<a name="line.78"></a> -<span class="sourceLineNo">079</span> */<a name="line.79"></a> 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this.isPrimaryReplicaBlock = isPrimaryReplica;<a name="line.46"></a> +<span class="sourceLineNo">047</span> this.hfileName = hfileName;<a name="line.47"></a> +<span class="sourceLineNo">048</span> this.offset = offset;<a name="line.48"></a> +<span class="sourceLineNo">049</span> this.blockType = blockType;<a name="line.49"></a> +<span class="sourceLineNo">050</span> }<a name="line.50"></a> +<span class="sourceLineNo">051</span><a name="line.51"></a> +<span class="sourceLineNo">052</span> @Override<a name="line.52"></a> +<span class="sourceLineNo">053</span> public int hashCode() {<a name="line.53"></a> +<span class="sourceLineNo">054</span> return hfileName.hashCode() * 127 + (int) (offset ^ (offset >>> 32));<a name="line.54"></a> +<span class="sourceLineNo">055</span> }<a name="line.55"></a> +<span class="sourceLineNo">056</span><a name="line.56"></a> +<span class="sourceLineNo">057</span> @Override<a name="line.57"></a> +<span class="sourceLineNo">058</span> public boolean equals(Object o) {<a name="line.58"></a> +<span class="sourceLineNo">059</span> if (o instanceof BlockCacheKey) {<a name="line.59"></a> +<span class="sourceLineNo">060</span> BlockCacheKey k = (BlockCacheKey) o;<a name="line.60"></a> +<span class="sourceLineNo">061</span> return offset == k.offset<a name="line.61"></a> +<span class="sourceLineNo">062</span> && (hfileName == null ? k.hfileName == null : hfileName<a name="line.62"></a> +<span class="sourceLineNo">063</span> .equals(k.hfileName));<a name="line.63"></a> +<span class="sourceLineNo">064</span> } else {<a name="line.64"></a> +<span class="sourceLineNo">065</span> return false;<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><a name="line.68"></a> +<span class="sourceLineNo">069</span> @Override<a name="line.69"></a> +<span class="sourceLineNo">070</span> public String toString() {<a 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+<span class="sourceLineNo">107</span> public BlockType getBlockType() {<a name="line.107"></a> +<span class="sourceLineNo">108</span> return blockType;<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> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/f8d69509/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/CacheStats.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/CacheStats.html b/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/CacheStats.html index 2a97792..d31a8e1 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/CacheStats.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/CacheStats.html @@ -82,217 +82,401 @@ <span class="sourceLineNo">074</span> /** The total number of blocks that were not inserted. */<a name="line.74"></a> <span 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name="line.115"></a> -<span class="sourceLineNo">116</span> @Override<a name="line.116"></a> -<span class="sourceLineNo">117</span> public String toString() {<a name="line.117"></a> -<span class="sourceLineNo">118</span> AgeSnapshot snapshot = getAgeAtEvictionSnapshot();<a name="line.118"></a> -<span class="sourceLineNo">119</span> return "hitCount=" + getHitCount() + ", hitCachingCount=" + getHitCachingCount() +<a name="line.119"></a> -<span class="sourceLineNo">120</span> ", missCount=" + getMissCount() + ", missCachingCount=" + getMissCachingCount() +<a name="line.120"></a> -<span class="sourceLineNo">121</span> ", evictionCount=" + getEvictionCount() +<a name="line.121"></a> -<span class="sourceLineNo">122</span> ", evictedBlockCount=" + getEvictedCount() +<a name="line.122"></a> -<span class="sourceLineNo">123</span> ", primaryMissCount=" + getPrimaryMissCount() +<a name="line.123"></a> -<span class="sourceLineNo">124</span> ", primaryHitCount=" + getPrimaryHitCount() +<a 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public long getPrimaryMissCount() {<a name="line.172"></a> -<span class="sourceLineNo">173</span> return primaryMissCount.get();<a name="line.173"></a> -<span class="sourceLineNo">174</span> }<a name="line.174"></a> -<span class="sourceLineNo">175</span><a name="line.175"></a> -<span class="sourceLineNo">176</span> public long getMissCachingCount() {<a name="line.176"></a> -<span class="sourceLineNo">177</span> return missCachingCount.get();<a name="line.177"></a> -<span class="sourceLineNo">178</span> }<a name="line.178"></a> -<span class="sourceLineNo">179</span><a name="line.179"></a> -<span class="sourceLineNo">180</span> public long getHitCount() {<a name="line.180"></a> -<span class="sourceLineNo">181</span> return hitCount.get();<a name="line.181"></a> -<span class="sourceLineNo">182</span> }<a name="line.182"></a> -<span class="sourceLineNo">183</span><a name="line.183"></a> -<span class="sourceLineNo">184</span> public long getPrimaryHitCount() {<a name="line.184"></a> -<span class="sourceLineNo">185</span> return primaryHitCount.get();<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> public long getHitCachingCount() {<a name="line.188"></a> -<span class="sourceLineNo">189</span> return hitCachingCount.get();<a name="line.189"></a> -<span class="sourceLineNo">190</span> }<a name="line.190"></a> -<span class="sourceLineNo">191</span><a name="line.191"></a> -<span class="sourceLineNo">192</span> public long getEvictionCount() {<a name="line.192"></a> -<span class="sourceLineNo">193</span> return evictionCount.get();<a name="line.193"></a> -<span class="sourceLineNo">194</span> }<a name="line.194"></a> -<span class="sourceLineNo">195</span><a name="line.195"></a> -<span class="sourceLineNo">196</span> public long getEvictedCount() {<a name="line.196"></a> -<span class="sourceLineNo">197</span> return this.evictedBlockCount.get();<a name="line.197"></a> -<span class="sourceLineNo">198</span> }<a name="line.198"></a> -<span class="sourceLineNo">199</span><a name="line.199"></a> -<span class="sourceLineNo">200</span> public long getPrimaryEvictedCount() {<a name="line.200"></a> -<span class="sourceLineNo">201</span> return primaryEvictedBlockCount.get();<a name="line.201"></a> -<span class="sourceLineNo">202</span> }<a name="line.202"></a> +<span class="sourceLineNo">077</span> /** Per Block Type Counts */<a name="line.77"></a> +<span class="sourceLineNo">078</span> private final Counter dataMissCount = new Counter(0);<a name="line.78"></a> +<span class="sourceLineNo">079</span> private final Counter leafIndexMissCount = new Counter(0);<a name="line.79"></a> +<span class="sourceLineNo">080</span> private final Counter bloomChunkMissCount = new Counter(0);<a name="line.80"></a> +<span class="sourceLineNo">081</span> private final Counter metaMissCount = new Counter(0);<a 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Counter(0);<a name="line.98"></a> +<span class="sourceLineNo">099</span><a name="line.99"></a> +<span class="sourceLineNo">100</span> /** The number of metrics periods to include in window */<a name="line.100"></a> +<span class="sourceLineNo">101</span> private final int numPeriodsInWindow;<a name="line.101"></a> +<span class="sourceLineNo">102</span> /** Hit counts for each period in window */<a name="line.102"></a> +<span class="sourceLineNo">103</span> private final long [] hitCounts;<a name="line.103"></a> +<span class="sourceLineNo">104</span> /** Caching hit counts for each period in window */<a name="line.104"></a> +<span class="sourceLineNo">105</span> private final long [] hitCachingCounts;<a name="line.105"></a> +<span class="sourceLineNo">106</span> /** Access counts for each period in window */<a name="line.106"></a> +<span class="sourceLineNo">107</span> private final long [] requestCounts;<a name="line.107"></a> +<span class="sourceLineNo">108</span> /** Caching access counts for each period in window */<a name="line.108"></a> +<span class="sourceLineNo">109</span> private final long [] requestCachingCounts;<a name="line.109"></a> +<span class="sourceLineNo">110</span> /** Last hit count read */<a name="line.110"></a> +<span class="sourceLineNo">111</span> private long lastHitCount = 0;<a name="line.111"></a> +<span class="sourceLineNo">112</span> /** Last hit caching count read */<a name="line.112"></a> +<span class="sourceLineNo">113</span> private long lastHitCachingCount = 0;<a name="line.113"></a> +<span class="sourceLineNo">114</span> /** Last request count read */<a name="line.114"></a> +<span class="sourceLineNo">115</span> private long lastRequestCount = 0;<a name="line.115"></a> +<span class="sourceLineNo">116</span> /** Last request caching count read */<a name="line.116"></a> +<span class="sourceLineNo">117</span> private long lastRequestCachingCount = 0;<a name="line.117"></a> +<span class="sourceLineNo">118</span> /** Current window index (next to be updated) */<a name="line.118"></a> +<span class="sourceLineNo">119</span> private int windowIndex = 0;<a name="line.119"></a> +<span class="sourceLineNo">120</span> /**<a name="line.120"></a> +<span class="sourceLineNo">121</span> * Keep running age at eviction time<a name="line.121"></a> +<span class="sourceLineNo">122</span> */<a name="line.122"></a> +<span class="sourceLineNo">123</span> private FastLongHistogram ageAtEviction;<a name="line.123"></a> +<span class="sourceLineNo">124</span> private long startTime = System.nanoTime();<a name="line.124"></a> +<span class="sourceLineNo">125</span><a name="line.125"></a> +<span class="sourceLineNo">126</span> public CacheStats(final String name) {<a name="line.126"></a> +<span class="sourceLineNo">127</span> this(name, DEFAULT_WINDOW_PERIODS);<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> public CacheStats(final String name, int numPeriodsInWindow) {<a name="line.130"></a> +<span class="sourceLineNo">131</span> this.numPeriodsInWindow = numPeriodsInWindow;<a name="line.131"></a> +<span class="sourceLineNo">132</span> this.hitCounts = initializeZeros(numPeriodsInWindow);<a name="line.132"></a> +<span class="sourceLineNo">133</span> this.hitCachingCounts = initializeZeros(numPeriodsInWindow);<a name="line.133"></a> +<span class="sourceLineNo">134</span> this.requestCounts = initializeZeros(numPeriodsInWindow);<a name="line.134"></a> +<span class="sourceLineNo">135</span> this.requestCachingCounts = initializeZeros(numPeriodsInWindow);<a name="line.135"></a> +<span class="sourceLineNo">136</span> this.ageAtEviction = new FastLongHistogram();<a name="line.136"></a> +<span class="sourceLineNo">137</span> }<a name="line.137"></a> +<span class="sourceLineNo">138</span><a name="line.138"></a> +<span class="sourceLineNo">139</span> @Override<a name="line.139"></a> +<span class="sourceLineNo">140</span> public String toString() {<a name="line.140"></a> +<span class="sourceLineNo">141</span> AgeSnapshot snapshot = getAgeAtEvictionSnapshot();<a name="line.141"></a> +<span class="sourceLineNo">142</span> return "hitCount=" + getHitCount() + ", hitCachingCount=" + getHitCachingCount() +<a name="line.142"></a> +<span class="sourceLineNo">143</span> ", missCount=" + getMissCount() + ", missCachingCount=" + getMissCachingCount() +<a name="line.143"></a> +<span class="sourceLineNo">144</span> ", evictionCount=" + getEvictionCount() +<a name="line.144"></a> +<span class="sourceLineNo">145</span> ", evictedBlockCount=" + getEvictedCount() +<a name="line.145"></a> +<span class="sourceLineNo">146</span> ", primaryMissCount=" + getPrimaryMissCount() +<a name="line.146"></a> +<span class="sourceLineNo">147</span> ", primaryHitCount=" + getPrimaryHitCount() +<a name="line.147"></a> +<span class="sourceLineNo">148</span> ", evictedAgeMean=" + snapshot.getMean();<a name="line.148"></a> +<span class="sourceLineNo">149</span> }<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 miss(boolean caching, boolean primary, BlockType type) {<a name="line.152"></a> +<span class="sourceLineNo">153</span> missCount.increment();<a name="line.153"></a> +<span class="sourceLineNo">154</span> if (primary) primaryMissCount.increment();<a name="line.154"></a> +<span class="sourceLineNo">155</span> if (caching) missCachingCount.increment();<a name="line.155"></a> +<span class="sourceLineNo">156</span> if (type == null) {<a name="line.156"></a> +<span class="sourceLineNo">157</span> return;<a name="line.157"></a> +<span class="sourceLineNo">158</span> }<a name="line.158"></a> +<span class="sourceLineNo">159</span> switch (type) {<a name="line.159"></a> +<span class="sourceLineNo">160</span> case DATA:<a name="line.160"></a> +<span class="sourceLineNo">161</span> case ENCODED_DATA:<a name="line.161"></a> +<span class="sourceLineNo">162</span> dataMissCount.increment();<a name="line.162"></a> +<span class="sourceLineNo">163</span> break;<a name="line.163"></a> +<span class="sourceLineNo">164</span> case LEAF_INDEX:<a name="line.164"></a> +<span class="sourceLineNo">165</span> leafIndexMissCount.increment();<a name="line.165"></a> +<span class="sourceLineNo">166</span> break;<a name="line.166"></a> +<span class="sourceLineNo">167</span> case BLOOM_CHUNK:<a name="line.167"></a> +<span class="sourceLineNo">168</span> bloomChunkMissCount.increment();<a name="line.168"></a> +<span class="sourceLineNo">169</span> break;<a name="line.169"></a> +<span class="sourceLineNo">170</span> case META:<a name="line.170"></a> +<span class="sourceLineNo">171</span> metaMissCount.increment();<a name="line.171"></a> +<span class="sourceLineNo">172</span> break;<a name="line.172"></a> +<span class="sourceLineNo">173</span> case INTERMEDIATE_INDEX:<a name="line.173"></a> +<span class="sourceLineNo">174</span> intermediateIndexMissCount.increment();<a name="line.174"></a> +<span class="sourceLineNo">175</span> break;<a name="line.175"></a> +<span class="sourceLineNo">176</span> case ROOT_INDEX:<a name="line.176"></a> +<span class="sourceLineNo">177</span> rootIndexMissCount.increment();<a name="line.177"></a> +<span class="sourceLineNo">178</span> break;<a name="line.178"></a> +<span class="sourceLineNo">179</span> case FILE_INFO:<a name="line.179"></a> +<span class="sourceLineNo">180</span> fileInfoMissCount.increment();<a name="line.180"></a> +<span class="sourceLineNo">181</span> break;<a name="line.181"></a> +<span class="sourceLineNo">182</span> case GENERAL_BLOOM_META:<a name="line.182"></a> +<span class="sourceLineNo">183</span> generalBloomMetaMissCount.increment();<a name="line.183"></a> +<span class="sourceLineNo">184</span> break;<a name="line.184"></a> +<span class="sourceLineNo">185</span> case DELETE_FAMILY_BLOOM_META:<a name="line.185"></a> +<span class="sourceLineNo">186</span> deleteFamilyBloomMissCount.increment();<a name="line.186"></a> +<span class="sourceLineNo">187</span> break;<a name="line.187"></a> +<span class="sourceLineNo">188</span> case TRAILER:<a name="line.188"></a> +<span class="sourceLineNo">189</span> trailerMissCount.increment();<a name="line.189"></a> +<span class="sourceLineNo">190</span> break;<a name="line.190"></a> +<span class="sourceLineNo">191</span> default:<a name="line.191"></a> +<span class="sourceLineNo">192</span> // If there's a new type that's fine<a name="line.192"></a> +<span class="sourceLineNo">193</span> // Ignore it for now. This is metrics don't exception.<a name="line.193"></a> +<span class="sourceLineNo">194</span> break;<a name="line.194"></a> +<span class="sourceLineNo">195</span> }<a name="line.195"></a> +<span class="sourceLineNo">196</span> }<a name="line.196"></a> +<span class="sourceLineNo">197</span><a name="line.197"></a> +<span class="sourceLineNo">198</span> public void hit(boolean caching, boolean primary, BlockType type) {<a name="line.198"></a> +<span class="sourceLineNo">199</span> hitCount.increment();<a name="line.199"></a> +<span class="sourceLineNo">200</span> if (primary) primaryHitCount.increment();<a name="line.200"></a> +<span class="sourceLineNo">201</span> if (caching) hitCachingCount.increment();<a name="line.201"></a> +<span class="sourceLineNo">202</span><a name="line.202"></a> <span class="sourceLineNo">203</span><a name="line.203"></a> -<span class="sourceLineNo">204</span> public double getHitRatio() {<a name="line.204"></a> -<span class="sourceLineNo">205</span> return ((float)getHitCount()/(float)getRequestCount());<a name="line.205"></a> -<span class="sourceLineNo">206</span> }<a name="line.206"></a> -<span class="sourceLineNo">207</span><a name="line.207"></a> -<span class="sourceLineNo">208</span> public double getHitCachingRatio() {<a name="line.208"></a> -<span class="sourceLineNo">209</span> return ((float)getHitCachingCount()/(float)getRequestCachingCount());<a name="line.209"></a> -<span class="sourceLineNo">210</span> }<a name="line.210"></a> -<span class="sourceLineNo">211</span><a name="line.211"></a> -<span class="sourceLineNo">212</span> public double getMissRatio() {<a name="line.212"></a> -<span class="sourceLineNo">213</span> return ((float)getMissCount()/(float)getRequestCount());<a name="line.213"></a> -<span class="sourceLineNo">214</span> }<a name="line.214"></a> -<span class="sourceLineNo">215</span><a name="line.215"></a> -<span class="sourceLineNo">216</span> public double getMissCachingRatio() {<a name="line.216"></a> -<span class="sourceLineNo">217</span> return ((float)getMissCachingCount()/(float)getRequestCachingCount());<a name="line.217"></a> -<span class="sourceLineNo">218</span> }<a name="line.218"></a> -<span class="sourceLineNo">219</span><a name="line.219"></a> -<span class="sourceLineNo">220</span> public double evictedPerEviction() {<a name="line.220"></a> -<span class="sourceLineNo">221</span> return ((float)getEvictedCount()/(float)getEvictionCount());<a name="line.221"></a> -<span class="sourceLineNo">222</span> }<a name="line.222"></a> -<span class="sourceLineNo">223</span><a name="line.223"></a> -<span class="sourceLineNo">224</span> public long getFailedInserts() {<a name="line.224"></a> -<span class="sourceLineNo">225</span> return failedInserts.get();<a name="line.225"></a> -<span class="sourceLineNo">226</span> }<a name="line.226"></a> -<span class="sourceLineNo">227</span><a name="line.227"></a> -<span class="sourceLineNo">228</span> public void rollMetricsPeriod() {<a name="line.228"></a> -<span class="sourceLineNo">229</span> hitCounts[windowIndex] = getHitCount() - lastHitCount;<a name="line.229"></a> -<span class="sourceLineNo">230</span> lastHitCount = getHitCount();<a name="line.230"></a> -<span class="sourceLineNo">231</span> hitCachingCounts[windowIndex] =<a name="line.231"></a> -<span class="sourceLineNo">232</span> getHitCachingCount() - lastHitCachingCount;<a name="line.232"></a> -<span class="sourceLineNo">233</span> lastHitCachingCount = getHitCachingCount();<a name="line.233"></a> -<span class="sourceLineNo">234</span> requestCounts[windowIndex] = getRequestCount() - lastRequestCount;<a name="line.234"></a> -<span class="sourceLineNo">235</span> lastRequestCount = getRequestCount();<a name="line.235"></a> -<span class="sourceLineNo">236</span> requestCachingCounts[windowIndex] =<a name="line.236"></a> -<span class="sourceLineNo">237</span> getRequestCachingCount() - lastRequestCachingCount;<a name="line.237"></a> -<span class="sourceLineNo">238</span> lastRequestCachingCount = getRequestCachingCount();<a name="line.238"></a> -<span class="sourceLineNo">239</span> windowIndex = (windowIndex + 1) % numPeriodsInWindow;<a name="line.239"></a> -<span class="sourceLineNo">240</span> }<a name="line.240"></a> -<span class="sourceLineNo">241</span><a name="line.241"></a> -<span class="sourceLineNo">242</span> public long getSumHitCountsPastNPeriods() {<a name="line.242"></a> -<span class="sourceLineNo">243</span> return sum(hitCounts);<a name="line.243"></a> +<span class="sourceLineNo">204</span> if (type == null) {<a name="line.204"></a> +<span class="sourceLineNo">205</span> return;<a name="line.205"></a> +<span class="sourceLineNo">206</span> }<a name="line.206"></a> +<span class="sourceLineNo">207</span> switch (type) {<a name="line.207"></a> +<span class="sourceLineNo">208</span> case DATA:<a name="line.208"></a> +<span class="sourceLineNo">209</span> case ENCODED_DATA:<a name="line.209"></a> +<span class="sourceLineNo">210</span> dataHitCount.increment();<a name="line.210"></a> +<span class="sourceLineNo">211</span> break;<a name="line.211"></a> +<span class="sourceLineNo">212</span> case LEAF_INDEX:<a name="line.212"></a> +<span class="sourceLineNo">213</span> leafIndexHitCount.increment();<a name="line.213"></a> +<span class="sourceLineNo">214</span> break;<a name="line.214"></a> +<span class="sourceLineNo">215</span> case BLOOM_CHUNK:<a name="line.215"></a> +<span class="sourceLineNo">216</span> bloomChunkHitCount.increment();<a name="line.216"></a> +<span class="sourceLineNo">217</span> break;<a name="line.217"></a> +<span class="sourceLineNo">218</span> case META:<a name="line.218"></a> +<span class="sourceLineNo">219</span> metaHitCount.increment();<a name="line.219"></a> +<span class="sourceLineNo">220</span> break;<a name="line.220"></a> +<span class="sourceLineNo">221</span> case INTERMEDIATE_INDEX:<a name="line.221"></a> +<span class="sourceLineNo">222</span> intermediateIndexHitCount.increment();<a name="line.222"></a> +<span class="sourceLineNo">223</span> break;<a name="line.223"></a> +<span class="sourceLineNo">224</span> case ROOT_INDEX:<a name="line.224"></a> +<span class="sourceLineNo">225</span> rootIndexHitCount.increment();<a name="line.225"></a> +<span class="sourceLineNo">226</span> break;<a name="line.226"></a> +<span class="sourceLineNo">227</span> case FILE_INFO:<a name="line.227"></a> +<span class="sourceLineNo">228</span> fileInfoHitCount.increment();<a name="line.228"></a> +<span class="sourceLineNo">229</span> break;<a name="line.229"></a> +<span class="sourceLineNo">230</span> case GENERAL_BLOOM_META:<a name="line.230"></a> +<span class="sourceLineNo">231</span> generalBloomMetaHitCount.increment();<a name="line.231"></a> +<span class="sourceLineNo">232</span> break;<a name="line.232"></a> +<span class="sourceLineNo">233</span> case DELETE_FAMILY_BLOOM_META:<a name="line.233"></a> +<span class="sourceLineNo">234</span> deleteFamilyBloomHitCount.increment();<a name="line.234"></a> +<span class="sourceLineNo">235</span> break;<a name="line.235"></a> +<span class="sourceLineNo">236</span> case TRAILER:<a name="line.236"></a> +<span class="sourceLineNo">237</span> trailerHitCount.increment();<a name="line.237"></a> +<span class="sourceLineNo">238</span> break;<a name="line.238"></a> +<span class="sourceLineNo">239</span> default:<a name="line.239"></a> +<span class="sourceLineNo">240</span> // If there's a new type that's fine<a name="line.240"></a> +<span class="sourceLineNo">241</span> // Ignore it for now. This is metrics don't exception.<a name="line.241"></a> +<span class="sourceLineNo">242</span> break;<a name="line.242"></a> +<span class="sourceLineNo">243</span> }<a name="line.243"></a> <span class="sourceLineNo">244</span> }<a name="line.244"></a> <span class="sourceLineNo">245</span><a name="line.245"></a> -<span class="sourceLineNo">246</span> public long getSumRequestCountsPastNPeriods() {<a name="line.246"></a> -<span class="sourceLineNo">247</span> return sum(requestCounts);<a name="line.247"></a> +<span class="sourceLineNo">246</span> public void evict() {<a name="line.246"></a> +<span class="sourceLineNo">247</span> evictionCount.increment();<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> -<span class="sourceLineNo">250</span> public long getSumHitCachingCountsPastNPeriods() {<a name="line.250"></a> -<span class="sourceLineNo">251</span> return sum(hitCachingCounts);<a name="line.251"></a> -<span class="sourceLineNo">252</span> }<a name="line.252"></a> -<span class="sourceLineNo">253</span><a name="line.253"></a> -<span class="sourceLineNo">254</span> public long getSumRequestCachingCountsPastNPeriods() {<a name="line.254"></a> -<span class="sourceLineNo">255</span> return sum(requestCachingCounts);<a name="line.255"></a> +<span class="sourceLineNo">250</span> public void evicted(final long t, boolean primary) {<a name="line.250"></a> +<span class="sourceLineNo">251</span> if (t > this.startTime) this.ageAtEviction.add(t - this.startTime,1);<a name="line.251"></a> +<span class="sourceLineNo">252</span> this.evictedBlockCount.increment();<a name="line.252"></a> +<span class="sourceLineNo">253</span> if (primary) {<a name="line.253"></a> +<span class="sourceLineNo">254</span> primaryEvictedBlockCount.increment();<a name="line.254"></a> +<span class="sourceLineNo">255</span> }<a name="line.255"></a> <span class="sourceLineNo">256</span> }<a name="line.256"></a> <span class="sourceLineNo">257</span><a name="line.257"></a> -<span class="sourceLineNo">258</span> public double getHitRatioPastNPeriods() {<a name="line.258"></a> -<span class="sourceLineNo">259</span> double ratio = ((double)getSumHitCountsPastNPeriods() /<a name="line.259"></a> -<span class="sourceLineNo">260</span> (double)getSumRequestCountsPastNPeriods());<a name="line.260"></a> -<span class="sourceLineNo">261</span> return Double.isNaN(ratio) ? 0 : ratio;<a name="line.261"></a> -<span class="sourceLineNo">262</span> }<a name="line.262"></a> -<span class="sourceLineNo">263</span><a name="line.263"></a> -<span class="sourceLineNo">264</span> public double getHitCachingRatioPastNPeriods() {<a name="line.264"></a> -<span class="sourceLineNo">265</span> double ratio = ((double)getSumHitCachingCountsPastNPeriods() /<a name="line.265"></a> -<span class="sourceLineNo">266</span> (double)getSumRequestCachingCountsPastNPeriods());<a name="line.266"></a> -<span class="sourceLineNo">267</span> return Double.isNaN(ratio) ? 0 : ratio;<a name="line.267"></a> -<span class="sourceLineNo">268</span> }<a name="line.268"></a> -<span class="sourceLineNo">269</span><a name="line.269"></a> -<span class="sourceLineNo">270</span> public AgeSnapshot getAgeAtEvictionSnapshot() {<a name="line.270"></a> -<span class="sourceLineNo">271</span> return new AgeSnapshot(this.ageAtEviction);<a name="line.271"></a> -<span class="sourceLineNo">272</span> }<a name="line.272"></a> -<span class="sourceLineNo">273</span><a name="line.273"></a> -<span class="sourceLineNo">274</span> private static long sum(long [] counts) {<a name="line.274"></a> -<span class="sourceLineNo">275</span> long sum = 0;<a name="line.275"></a> -<span class="sourceLineNo">276</span> for (long count : counts) sum += count;<a name="line.276"></a> -<span class="sourceLineNo">277</span> return sum;<a name="line.277"></a> +<span class="sourceLineNo">258</span> public long failInsert() {<a name="line.258"></a> +<span class="sourceLineNo">259</span> return failedInserts.incrementAndGet();<a name="line.259"></a> +<span class="sourceLineNo">260</span> }<a name="line.260"></a> +<span class="sourceLineNo">261</span><a name="line.261"></a> +<span class="sourceLineNo">262</span><a name="line.262"></a> +<span class="sourceLineNo">263</span> // All of the counts of misses and hits.<a name="line.263"></a> +<span class="sourceLineNo">264</span> public long getDataMissCount() {<a name="line.264"></a> +<span class="sourceLineNo">265</span> return dataMissCount.get();<a name="line.265"></a> +<span class="sourceLineNo">266</span> }<a name="line.266"></a> +<span class="sourceLineNo">267</span><a name="line.267"></a> +<span class="sourceLineNo">268</span> public long getLeafIndexMissCount() {<a name="line.268"></a> +<span class="sourceLineNo">269</span> return leafIndexMissCount.get();<a name="line.269"></a> +<span class="sourceLineNo">270</span> }<a name="line.270"></a> +<span class="sourceLineNo">271</span><a name="line.271"></a> +<span class="sourceLineNo">272</span> public long getBloomChunkMissCount() {<a name="line.272"></a> +<span class="sourceLineNo">273</span> return bloomChunkMissCount.get();<a name="line.273"></a> +<span class="sourceLineNo">274</span> }<a name="line.274"></a> +<span class="sourceLineNo">275</span><a name="line.275"></a> +<span class="sourceLineNo">276</span> public long getMetaMissCount() {<a name="line.276"></a> +<span class="sourceLineNo">277</span> return metaMissCount.get();<a name="line.277"></a> <span class="sourceLineNo">278</span> }<a name="line.278"></a> <span class="sourceLineNo">279</span><a name="line.279"></a> -<span class="sourceLineNo">280</span> private static long [] initializeZeros(int n) {<a name="line.280"></a> -<span class="sourceLineNo">281</span> long [] zeros = new long [n];<a name="line.281"></a> -<span class="sourceLineNo">282</span> for (int i=0; i<n; i++) {<a name="line.282"></a> -<span class="sourceLineNo">283</span> zeros[i] = 0L;<a name="line.283"></a> -<span class="sourceLineNo">284</span> }<a name="line.284"></a> -<span class="sourceLineNo">285</span> return zeros;<a name="line.285"></a> +<span class="sourceLineNo">280</span> public long getRootIndexMissCount() {<a name="line.280"></a> +<span class="sourceLineNo">281</span> return rootIndexMissCount.get();<a name="line.281"></a> +<span class="sourceLineNo">282</span> }<a name="line.282"></a> +<span class="sourceLineNo">283</span><a name="line.283"></a> +<span class="sourceLineNo">284</span> public long getIntermediateIndexMissCount() {<a name="line.284"></a> +<span class="sourceLineNo">285</span> return intermediateIndexMissCount.get();<a name="line.285"></a> <span class="sourceLineNo">286</span> }<a name="line.286"></a> -<span class="sourceLineNo">287</span>}<a name="line.287"></a> +<span class="sourceLineNo">287</span><a name="line.287"></a> +<span class="sourceLineNo">288</span> public long getFileInfoMissCount() {<a name="line.288"></a> +<span class="sourceLineNo">289</span> return fileInfoMissCount.get();<a name="line.289"></a> +<span class="sourceLineNo">290</span> }<a name="line.290"></a> +<span class="sourceLineNo">291</span><a name="line.291"></a> +<span class="sourceLineNo">292</span> public long getGeneralBloomMetaMissCount() {<a name="line.292"></a> +<span class="sourceLineNo">293</span> return generalBloomMetaMissCount.get();<a name="line.293"></a> +<span class="sourceLineNo">294</span> }<a name="line.294"></a> +<span class="sourceLineNo">295</span><a name="line.295"></a> +<span class="sourceLineNo">296</span> public long getDeleteFamilyBloomMissCount() {<a name="line.296"></a> +<span class="sourceLineNo">297</span> return deleteFamilyBloomMissCount.get();<a name="line.297"></a> +<span class="sourceLineNo">298</span> }<a name="line.298"></a> +<span class="sourceLineNo">299</span><a name="line.299"></a> +<span class="sourceLineNo">300</span> public long getTrailerMissCount() {<a name="line.300"></a> +<span class="sourceLineNo">301</span> return trailerMissCount.get();<a name="line.301"></a> +<span class="sourceLineNo">302</span> }<a name="line.302"></a> +<span class="sourceLineNo">303</span><a name="line.303"></a> +<span class="sourceLineNo">304</span> public long getDataHitCount() {<a name="line.304"></a> +<span class="sourceLineNo">305</span> return dataHitCount.get();<a name="line.305"></a> +<span class="sourceLineNo">306</span> }<a name="line.306"></a> +<span class="sourceLineNo">307</span><a name="line.307"></a> +<span class="sourceLineNo">308</span> public long getLeafIndexHitCount() {<a name="line.308"></a> +<span class="sourceLineNo">309</span> return leafIndexHitCount.get();<a name="line.309"></a> +<span class="sourceLineNo">310</span> }<a name="line.310"></a> +<span class="sourceLineNo">311</span><a name="line.311"></a> +<span class="sourceLineNo">312</span> public long getBloomChunkHitCount() {<a name="line.312"></a> +<span class="sourceLineNo">313</span> return bloomChunkHitCount.get();<a name="line.313"></a> +<span class="sourceLineNo">314</span> }<a name="line.314"></a> +<span class="sourceLineNo">315</span><a name="line.315"></a> +<span class="sourceLineNo">316</span> public long getMetaHitCount() {<a name="line.316"></a> +<span class="sourceLineNo">317</span> return metaHitCount.get();<a name="line.317"></a> +<span class="sourceLineNo">318</span> }<a name="line.318"></a> +<span class="sourceLineNo">319</span><a name="line.319"></a> +<span class="sourceLineNo">320</span> public long getRootIndexHitCount() {<a name="line.320"></a> +<span class="sourceLineNo">321</span> return rootIndexHitCount.get();<a name="line.321"></a> +<span class="sourceLineNo">322</span> }<a name="line.322"></a> +<span class="sourceLineNo">323</span><a name="line.323"></a> +<span class="sourceLineNo">324</span> public long getIntermediateIndexHitCount() {<a name="line.324"></a> +<span class="sourceLineNo">325</span> return intermediateIndexHitCount.get();<a name="line.325"></a> +<span class="sourceLineNo">326</span> }<a name="line.326"></a> +<span class="sourceLineNo">327</span><a name="line.327"></a> +<span class="sourceLineNo">328</span> public long getFileInfoHitCount() {<a name="line.328"></a> +<span class="sourceLineNo">329</span> return fileInfoHitCount.get();<a name="line.329"></a> +<span class="sourceLineNo">330</span> }<a name="line.330"></a> +<span class="sourceLineNo">331</span><a name="line.331"></a> +<span class="sourceLineNo">332</span> public long getGeneralBloomMetaHitCount() {<a name="line.332"></a> +<span class="sourceLineNo">333</span> return generalBloomMetaHitCount.get();<a name="line.333"></a> +<span class="sourceLineNo">334</span> }<a name="line.334"></a> +<span class="sourceLineNo">335</span><a name="line.335"></a> +<span class="sourceLineNo">336</span> public long getDeleteFamilyBloomHitCount() {<a name="line.336"></a> +<span class="sourceLineNo">337</span> return deleteFamilyBloomHitCount.get();<a name="line.337"></a> +<span class="sourceLineNo">338</span> }<a name="line.338"></a> +<span class="sourceLineNo">339</span><a name="line.339"></a> +<span class="sourceLineNo">340</span> public long getTrailerHitCount() {<a name="line.340"></a> +<span class="sourceLineNo">341</span> return trailerHitCount.get();<a name="line.341"></a> +<span class="sourceLineNo">342</span> }<a name="line.342"></a> +<span class="sourceLineNo">343</span><a name="line.343"></a> +<span class="sourceLineNo">344</span> public long getRequestCount() {<a name="line.344"></a> +<span class="sourceLineNo">345</span> return getHitCount() + getMissCount();<a name="line.345"></a> +<span class="sourceLineNo">346</span> }<a name="line.346"></a> +<span class="sourceLineNo">347</span><a name="line.347"></a> +<span class="sourceLineNo">348</span> public long getRequestCachingCount() {<a name="line.348"></a> +<span class="sourceLineNo">349</span> return getHitCachingCount() + getMissCachingCount();<a name="line.349"></a> +<span class="sourceLineNo">350</span> }<a name="line.350"></a> +<span class="sourceLineNo">351</span><a name="line.351"></a> +<span class="sourceLineNo">352</span> public long getMissCount() {<a name="line.352"></a> +<span class="sourceLineNo">353</span> return missCount.get();<a name="line.353"></a> +<span class="sourceLineNo">354</span> }<a name="line.354"></a> +<span class="sourceLineNo">355</span><a name="line.355"></a> +<span class="sourceLineNo">356</span> public long getPrimaryMissCount() {<a name="line.356"></a> +<span class="sourceLineNo">357</span> return primaryMissCount.get();<a name="line.357"></a> +<span class="sourceLineNo">358</span> }<a name="line.358"></a> +<span class="sourceLineNo">359</span><a name="line.359"></a> +<span class="sourceLineNo">360</span> public long getMissCachingCount() {<a name="line.360"></a> +<span class="sourceLineNo">361</span> return missCachingCount.get();<a name="line.361"></a> +<span class="sourceLineNo">362</span> }<a name="line.362"></a> +<span class="sourceLineNo">363</span><a name="line.363"></a> +<span class="sourceLineNo">364</span> public long getHitCount() {<a name="line.364"></a> +<span class="sourceLineNo">365</span> return hitCount.get();<a name="line.365"></a> +<span class="sourceLineNo">366</span> }<a name="line.366"></a> +<span class="sourceLineNo">367</span><a name="line.367"></a> +<span class="sourceLineNo">368</span> public long getPrimaryHitCount() {<a name="line.368"></a> +<span class="sourceLineNo">369</span> return primaryHitCount.get();<a name="line.369"></a> +<span class="sourceLineNo">370</span> }<a name="line.370"></a> +<span class="sourceLineNo">371</span><a name="line.371"></a> +<span class="sourceLineNo">372</span> public long getHitCachingCount() {<a name="line.372"></a> +<span class="sourceLineNo">373</span> return hitCachingCount.get();<a name="line.373"></a> +<span class="sourceLineNo">374</span> }<a name="line.374"></a> +<span class="sourceLineNo">375</span><a name="line.375"></a> +<span class="sourceLineNo">376</span> public long getEvictionCount() {<a name="line.376"></a> +<span class="sourceLineNo">377</span> return evictionCount.get();<a name="line.377"></a> +<span class="sourceLineNo">378</span> }<a name="line.378"></a> +<span class="sourceLineNo">379</span><a name="line.379"></a> +<span class="sourceLineNo">380</span> public long getEvictedCount() {<a name="line.380"></a> +<span class="sourceLineNo">381</span> return this.evictedBlockCount.get();<a name="line.381"></a> +<span class="sourceLineNo">382</span> }<a name="line.382"></a> +<span class="sourceLineNo">383</span><a name="line.383"></a> +<span class="sourceLineNo">384</span> public long getPrimaryEvictedCount() {<a name="line.384"></a> +<span class="sourceLineNo">385</span> return primaryEvictedBlockCount.get();<a name="line.385"></a> +<span class="sourceLineNo">386</span> }<a name="line.386"></a> +<span class="sourceLineNo">387</span><a name="line.387"></a> +<span class="sourceLineNo">388</span> public double getHitRatio() {<a name="line.388"></a> +<span class="sourceLineNo">389</span> return ((float)getHitCount()/(float)getRequestCount());<a name="line.389"></a> +<span class="sourceLineNo">390</span> }<a name="line.390"></a> +<span class="sourceLineNo">391</span><a name="line.391"></a> +<span class="sourceLineNo">392</span> public double getHitCachingRatio() {<a name="line.392"></a> +<span class="sourceLineNo">393</span> return ((float)getHitCachingCount()/(float)getRequestCachingCount());<a name="line.393"></a> +<span class="sourceLineNo">394</span> }<a name="line.394"></a> +<span class="sourceLineNo">395</span><a name="line.395"></a> +<span class="sourceLineNo">396</span> public double getMissRatio() {<a name="line.396"></a> +<span class="sourceLineNo">397</span> return ((float)getMissCount()/(float)getRequestCount());<a name="line.397"></a> +<span class="sourceLineNo">398</span> }<a name="line.398"></a> +<span 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name="line.410"></a> +<span class="sourceLineNo">411</span><a name="line.411"></a> +<span class="sourceLineNo">412</span> public void rollMetricsPeriod() {<a name="line.412"></a> +<span class="sourceLineNo">413</span> hitCounts[windowIndex] = getHitCount() - lastHitCount;<a name="line.413"></a> +<span class="sourceLineNo">414</span> lastHitCount = getHitCount();<a name="line.414"></a> +<span class="sourceLineNo">415</span> hitCachingCounts[windowIndex] =<a name="line.415"></a> +<span class="sourceLineNo">416</span> getHitCachingCount() - lastHitCachingCount;<a name="line.416"></a> +<span class="sourceLineNo">417</span> lastHitCachingCount = getHitCachingCount();<a name="line.417"></a> +<span class="sourceLineNo">418</span> requestCounts[windowIndex] = getRequestCount() - lastRequestCount;<a name="line.418"></a> +<span class="sourceLineNo">419</span> lastRequestCount = getRequestCount();<a name="line.419"></a> +<span class="sourceLineNo">420</span> requestCachingCounts[windowIndex] =<a name="line.420"></a> +<span class="sourceLineNo">421</span> getRequestCachingCount() - lastRequestCachingCount;<a name="line.421"></a> +<span class="sourceLineNo">422</span> lastRequestCachingCount = getRequestCachingCount();<a name="line.422"></a> +<span class="sourceLineNo">423</span> windowIndex = (windowIndex + 1) % numPeriodsInWindow;<a name="line.423"></a> +<span class="sourceLineNo">424</span> }<a name="line.424"></a> +<span class="sourceLineNo">425</span><a name="line.425"></a> +<span class="sourceLineNo">426</span> public long getSumHitCountsPastNPeriods() {<a name="line.426"></a> +<span class="sourceLineNo">427</span> return sum(hitCounts);<a name="line.427"></a> +<span class="sourceLineNo">428</span> }<a name="line.428"></a> +<span class="sourceLineNo">429</span><a name="line.429"></a> +<span class="sourceLineNo">430</span> public long getSumRequestCountsPastNPeriods() {<a name="line.430"></a> +<span class="sourceLineNo">431</span> return sum(requestCounts);<a name="line.431"></a> +<span class="sourceLineNo">432</span> }<a name="line.432"></a> +<span class="sourceLineNo">433</span><a name="line.433"></a> +<span class="sourceLineNo">434</span> public long getSumHitCachingCountsPastNPeriods() {<a name="line.434"></a> +<span class="sourceLineNo">435</span> return sum(hitCachingCounts);<a name="line.435"></a> +<span class="sourceLineNo">436</span> }<a name="line.436"></a> +<span class="sourceLineNo">437</span><a name="line.437"></a> +<span class="sourceLineNo">438</span> public long getSumRequestCachingCountsPastNPeriods() {<a name="line.438"></a> +<span class="sourceLineNo">439</span> return sum(requestCachingCounts);<a name="line.439"></a> +<span class="sourceLineNo">440</span> }<a name="line.440"></a> +<span class="sourceLineNo">441</span><a name="line.441"></a> +<span class="sourceLineNo">442</span> public double getHitRatioPastNPeriods() {<a name="line.442"></a> +<span class="sourceLineNo">443</span> double ratio = 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name="line.465"></a> +<span class="sourceLineNo">466</span> for (int i=0; i<n; i++) {<a name="line.466"></a> +<span class="sourceLineNo">467</span> zeros[i] = 0L;<a name="line.467"></a> +<span class="sourceLineNo">468</span> }<a name="line.468"></a> +<span class="sourceLineNo">469</span> return zeros;<a name="line.469"></a> +<span class="sourceLineNo">470</span> }<a name="line.470"></a> +<span class="sourceLineNo">471</span>}<a name="line.471"></a>
