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From git-site-r...@apache.org
Subject [02/19] hbase-site git commit: Published site at 82d554e3783372cc6b05489452c815b57c06f6cd.
Date Thu, 20 Jul 2017 22:07:15 GMT
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9e6e3360/testdevapidocs/src-html/org/apache/hadoop/hbase/io/hfile/TestCacheConfig.html
----------------------------------------------------------------------
diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/io/hfile/TestCacheConfig.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/io/hfile/TestCacheConfig.html
index c6abfe5..3734517 100644
--- a/testdevapidocs/src-html/org/apache/hadoop/hbase/io/hfile/TestCacheConfig.html
+++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/io/hfile/TestCacheConfig.html
@@ -29,406 +29,420 @@
 <span class="sourceLineNo">021</span>import static org.junit.Assert.assertEquals;<a name="line.21"></a>
 <span class="sourceLineNo">022</span>import static org.junit.Assert.assertFalse;<a name="line.22"></a>
 <span class="sourceLineNo">023</span>import static org.junit.Assert.assertTrue;<a name="line.23"></a>
-<span class="sourceLineNo">024</span><a name="line.24"></a>
-<span class="sourceLineNo">025</span>import java.io.IOException;<a name="line.25"></a>
-<span class="sourceLineNo">026</span>import java.lang.management.ManagementFactory;<a name="line.26"></a>
-<span class="sourceLineNo">027</span>import java.lang.management.MemoryUsage;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import java.nio.ByteBuffer;<a name="line.28"></a>
-<span class="sourceLineNo">029</span>import java.util.Map;<a name="line.29"></a>
-<span class="sourceLineNo">030</span><a name="line.30"></a>
-<span class="sourceLineNo">031</span>import org.apache.commons.logging.Log;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import org.apache.commons.logging.LogFactory;<a name="line.32"></a>
-<span class="sourceLineNo">033</span>import org.apache.hadoop.conf.Configuration;<a name="line.33"></a>
-<span class="sourceLineNo">034</span>import org.apache.hadoop.fs.FileSystem;<a name="line.34"></a>
-<span class="sourceLineNo">035</span>import org.apache.hadoop.fs.Path;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.HBaseConfiguration;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.HBaseTestingUtility;<a name="line.37"></a>
-<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.HColumnDescriptor;<a name="line.38"></a>
-<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.HConstants;<a name="line.39"></a>
-<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.testclassification.IOTests;<a name="line.40"></a>
-<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.testclassification.LargeTests;<a name="line.41"></a>
-<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.io.hfile.BlockType.BlockCategory;<a name="line.42"></a>
-<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.io.hfile.Cacheable.MemoryType;<a name="line.43"></a>
-<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.io.hfile.bucket.BucketCache;<a name="line.44"></a>
-<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.io.util.MemorySizeUtil;<a name="line.45"></a>
-<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.nio.ByteBuff;<a name="line.46"></a>
-<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.47"></a>
-<span class="sourceLineNo">048</span>import org.junit.After;<a name="line.48"></a>
-<span class="sourceLineNo">049</span>import org.junit.Before;<a name="line.49"></a>
-<span class="sourceLineNo">050</span>import org.junit.Test;<a name="line.50"></a>
-<span class="sourceLineNo">051</span>import org.junit.experimental.categories.Category;<a name="line.51"></a>
-<span class="sourceLineNo">052</span><a name="line.52"></a>
-<span class="sourceLineNo">053</span>/**<a name="line.53"></a>
-<span class="sourceLineNo">054</span> * Tests that {@link CacheConfig} does as expected.<a name="line.54"></a>
-<span class="sourceLineNo">055</span> */<a name="line.55"></a>
-<span class="sourceLineNo">056</span>// This test is marked as a large test though it runs in a short amount of time<a name="line.56"></a>
-<span class="sourceLineNo">057</span>// (seconds).  It is large because it depends on being able to reset the global<a name="line.57"></a>
-<span class="sourceLineNo">058</span>// blockcache instance which is in a global variable.  Experience has it that<a name="line.58"></a>
-<span class="sourceLineNo">059</span>// tests clash on the global variable if this test is run as small sized test.<a name="line.59"></a>
-<span class="sourceLineNo">060</span>@Category({IOTests.class, LargeTests.class})<a name="line.60"></a>
-<span class="sourceLineNo">061</span>public class TestCacheConfig {<a name="line.61"></a>
-<span class="sourceLineNo">062</span>  private static final Log LOG = LogFactory.getLog(TestCacheConfig.class);<a name="line.62"></a>
-<span class="sourceLineNo">063</span>  private Configuration conf;<a name="line.63"></a>
-<span class="sourceLineNo">064</span><a name="line.64"></a>
-<span class="sourceLineNo">065</span>  static class Deserializer implements CacheableDeserializer&lt;Cacheable&gt; {<a name="line.65"></a>
-<span class="sourceLineNo">066</span>    private final Cacheable cacheable;<a name="line.66"></a>
-<span class="sourceLineNo">067</span>    private int deserializedIdentifier = 0;<a name="line.67"></a>
-<span class="sourceLineNo">068</span><a name="line.68"></a>
-<span class="sourceLineNo">069</span>    Deserializer(final Cacheable c) {<a name="line.69"></a>
-<span class="sourceLineNo">070</span>      deserializedIdentifier = CacheableDeserializerIdManager.registerDeserializer(this);<a name="line.70"></a>
-<span class="sourceLineNo">071</span>      this.cacheable = c;<a name="line.71"></a>
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-<span class="sourceLineNo">076</span>      return deserializedIdentifier;<a name="line.76"></a>
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-<span class="sourceLineNo">079</span>    @Override<a name="line.79"></a>
-<span class="sourceLineNo">080</span>    public Cacheable deserialize(ByteBuff b, boolean reuse, MemoryType memType) throws IOException {<a name="line.80"></a>
-<span class="sourceLineNo">081</span>      LOG.info("Deserialized " + b + ", reuse=" + reuse);<a name="line.81"></a>
-<span class="sourceLineNo">082</span>      return cacheable;<a name="line.82"></a>
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-<span class="sourceLineNo">084</span><a name="line.84"></a>
-<span class="sourceLineNo">085</span>    @Override<a name="line.85"></a>
-<span class="sourceLineNo">086</span>    public Cacheable deserialize(ByteBuff b) throws IOException {<a name="line.86"></a>
-<span class="sourceLineNo">087</span>      LOG.info("Deserialized " + b);<a name="line.87"></a>
-<span class="sourceLineNo">088</span>      return cacheable;<a name="line.88"></a>
-<span class="sourceLineNo">089</span>    }<a name="line.89"></a>
-<span class="sourceLineNo">090</span>  };<a name="line.90"></a>
-<span class="sourceLineNo">091</span><a name="line.91"></a>
-<span class="sourceLineNo">092</span>  static class IndexCacheEntry extends DataCacheEntry {<a name="line.92"></a>
-<span class="sourceLineNo">093</span>    private static IndexCacheEntry SINGLETON = new IndexCacheEntry();<a name="line.93"></a>
-<span class="sourceLineNo">094</span><a name="line.94"></a>
-<span class="sourceLineNo">095</span>    public IndexCacheEntry() {<a name="line.95"></a>
-<span class="sourceLineNo">096</span>      super(SINGLETON);<a name="line.96"></a>
-<span class="sourceLineNo">097</span>    }<a name="line.97"></a>
-<span class="sourceLineNo">098</span><a name="line.98"></a>
-<span class="sourceLineNo">099</span>    @Override<a name="line.99"></a>
-<span class="sourceLineNo">100</span>    public BlockType getBlockType() {<a name="line.100"></a>
-<span class="sourceLineNo">101</span>      return BlockType.ROOT_INDEX;<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><a name="line.104"></a>
-<span class="sourceLineNo">105</span>  static class DataCacheEntry implements Cacheable {<a name="line.105"></a>
-<span class="sourceLineNo">106</span>    private static final int SIZE = 1;<a name="line.106"></a>
-<span class="sourceLineNo">107</span>    private static DataCacheEntry SINGLETON = new DataCacheEntry();<a name="line.107"></a>
-<span class="sourceLineNo">108</span>    final CacheableDeserializer&lt;Cacheable&gt; deserializer;<a name="line.108"></a>
-<span class="sourceLineNo">109</span><a name="line.109"></a>
-<span class="sourceLineNo">110</span>    DataCacheEntry() {<a name="line.110"></a>
-<span class="sourceLineNo">111</span>      this(SINGLETON);<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>    DataCacheEntry(final Cacheable c) {<a name="line.114"></a>
-<span class="sourceLineNo">115</span>      this.deserializer = new Deserializer(c);<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>    @Override<a name="line.118"></a>
-<span class="sourceLineNo">119</span>    public String toString() {<a name="line.119"></a>
-<span class="sourceLineNo">120</span>      return "size=" + SIZE + ", type=" + getBlockType();<a name="line.120"></a>
-<span class="sourceLineNo">121</span>    };<a name="line.121"></a>
-<span class="sourceLineNo">122</span><a name="line.122"></a>
-<span class="sourceLineNo">123</span>    @Override<a name="line.123"></a>
-<span class="sourceLineNo">124</span>    public long heapSize() {<a name="line.124"></a>
-<span class="sourceLineNo">125</span>      return SIZE;<a name="line.125"></a>
-<span class="sourceLineNo">126</span>    }<a name="line.126"></a>
-<span class="sourceLineNo">127</span><a name="line.127"></a>
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-<span class="sourceLineNo">130</span>      return SIZE;<a name="line.130"></a>
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-<span class="sourceLineNo">132</span><a name="line.132"></a>
-<span class="sourceLineNo">133</span>    @Override<a name="line.133"></a>
-<span class="sourceLineNo">134</span>    public void serialize(ByteBuffer destination) {<a name="line.134"></a>
-<span class="sourceLineNo">135</span>      LOG.info("Serialized " + this + " to " + destination);<a name="line.135"></a>
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-<span class="sourceLineNo">137</span><a name="line.137"></a>
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-<span class="sourceLineNo">150</span>      return MemoryType.EXCLUSIVE;<a name="line.150"></a>
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-<span class="sourceLineNo">153</span><a name="line.153"></a>
-<span class="sourceLineNo">154</span>  static class MetaCacheEntry extends DataCacheEntry {<a name="line.154"></a>
-<span class="sourceLineNo">155</span>    @Override<a name="line.155"></a>
-<span class="sourceLineNo">156</span>    public BlockType getBlockType() {<a name="line.156"></a>
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-<span class="sourceLineNo">160</span><a name="line.160"></a>
-<span class="sourceLineNo">161</span>  @Before<a name="line.161"></a>
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-<span class="sourceLineNo">164</span>    this.conf = HBaseConfiguration.create();<a name="line.164"></a>
-<span class="sourceLineNo">165</span>  }<a name="line.165"></a>
-<span class="sourceLineNo">166</span><a name="line.166"></a>
-<span class="sourceLineNo">167</span>  @After<a name="line.167"></a>
-<span class="sourceLineNo">168</span>  public void tearDown() throws Exception {<a name="line.168"></a>
-<span class="sourceLineNo">169</span>    // Let go of current block cache.<a name="line.169"></a>
-<span class="sourceLineNo">170</span>    CacheConfig.clearGlobalInstances();<a name="line.170"></a>
-<span class="sourceLineNo">171</span>  }<a name="line.171"></a>
-<span class="sourceLineNo">172</span><a name="line.172"></a>
-<span class="sourceLineNo">173</span>  /**<a name="line.173"></a>
-<span class="sourceLineNo">174</span>   * @param cc<a name="line.174"></a>
-<span class="sourceLineNo">175</span>   * @param doubling If true, addition of element ups counter by 2, not 1, because element added<a name="line.175"></a>
-<span class="sourceLineNo">176</span>   * to onheap and offheap caches.<a name="line.176"></a>
-<span class="sourceLineNo">177</span>   * @param sizing True if we should run sizing test (doesn't always apply).<a name="line.177"></a>
-<span class="sourceLineNo">178</span>   */<a name="line.178"></a>
-<span class="sourceLineNo">179</span>  void basicBlockCacheOps(final CacheConfig cc, final boolean doubling,<a name="line.179"></a>
-<span class="sourceLineNo">180</span>      final boolean sizing) {<a name="line.180"></a>
-<span class="sourceLineNo">181</span>    assertTrue(cc.isBlockCacheEnabled());<a name="line.181"></a>
-<span class="sourceLineNo">182</span>    assertTrue(CacheConfig.DEFAULT_IN_MEMORY == cc.isInMemory());<a name="line.182"></a>
-<span class="sourceLineNo">183</span>    BlockCache bc = cc.getBlockCache();<a name="line.183"></a>
-<span class="sourceLineNo">184</span>    BlockCacheKey bck = new BlockCacheKey("f", 0);<a name="line.184"></a>
-<span class="sourceLineNo">185</span>    Cacheable c = new DataCacheEntry();<a name="line.185"></a>
-<span class="sourceLineNo">186</span>    // Do asserts on block counting.<a name="line.186"></a>
-<span class="sourceLineNo">187</span>    long initialBlockCount = bc.getBlockCount();<a name="line.187"></a>
-<span class="sourceLineNo">188</span>    bc.cacheBlock(bck, c, cc.isInMemory(), cc.isCacheDataInL1());<a name="line.188"></a>
-<span class="sourceLineNo">189</span>    assertEquals(doubling? 2: 1, bc.getBlockCount() - initialBlockCount);<a name="line.189"></a>
-<span class="sourceLineNo">190</span>    bc.evictBlock(bck);<a name="line.190"></a>
-<span class="sourceLineNo">191</span>    assertEquals(initialBlockCount, bc.getBlockCount());<a name="line.191"></a>
-<span class="sourceLineNo">192</span>    // Do size accounting.  Do it after the above 'warm-up' because it looks like some<a name="line.192"></a>
-<span class="sourceLineNo">193</span>    // buffers do lazy allocation so sizes are off on first go around.<a name="line.193"></a>
-<span class="sourceLineNo">194</span>    if (sizing) {<a name="line.194"></a>
-<span class="sourceLineNo">195</span>      long originalSize = bc.getCurrentSize();<a name="line.195"></a>
-<span class="sourceLineNo">196</span>      bc.cacheBlock(bck, c, cc.isInMemory(), cc.isCacheDataInL1());<a name="line.196"></a>
-<span class="sourceLineNo">197</span>      assertTrue(bc.getCurrentSize() &gt; originalSize);<a name="line.197"></a>
-<span class="sourceLineNo">198</span>      bc.evictBlock(bck);<a name="line.198"></a>
-<span class="sourceLineNo">199</span>      long size = bc.getCurrentSize();<a name="line.199"></a>
-<span class="sourceLineNo">200</span>      assertEquals(originalSize, size);<a name="line.200"></a>
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-<span class="sourceLineNo">203</span><a name="line.203"></a>
-<span class="sourceLineNo">204</span>  /**<a name="line.204"></a>
-<span class="sourceLineNo">205</span>   * @param cc<a name="line.205"></a>
-<span class="sourceLineNo">206</span>   * @param filename<a name="line.206"></a>
-<span class="sourceLineNo">207</span>   * @return<a name="line.207"></a>
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-<span class="sourceLineNo">210</span>    BlockCacheKey bck = new BlockCacheKey(filename, 0);<a name="line.210"></a>
-<span class="sourceLineNo">211</span>    Cacheable c = new DataCacheEntry();<a name="line.211"></a>
-<span class="sourceLineNo">212</span>    // Do asserts on block counting.<a name="line.212"></a>
-<span class="sourceLineNo">213</span>    cc.getBlockCache().cacheBlock(bck, c, cc.isInMemory(), cc.isCacheDataInL1());<a name="line.213"></a>
-<span class="sourceLineNo">214</span>    return cc.getBlockCache().getBlockCount();<a name="line.214"></a>
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-<span class="sourceLineNo">216</span><a name="line.216"></a>
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-<span class="sourceLineNo">219</span>    Configuration conf = HBaseConfiguration.create();<a name="line.219"></a>
-<span class="sourceLineNo">220</span>    CacheConfig cacheConfig = new CacheConfig(conf);<a name="line.220"></a>
-<span class="sourceLineNo">221</span>    assertTrue(cacheConfig.shouldCacheBlockOnRead(BlockCategory.DATA));<a name="line.221"></a>
-<span class="sourceLineNo">222</span>    assertFalse(cacheConfig.shouldCacheCompressed(BlockCategory.DATA));<a name="line.222"></a>
-<span class="sourceLineNo">223</span>    assertFalse(cacheConfig.shouldCacheDataCompressed());<a name="line.223"></a>
-<span class="sourceLineNo">224</span>    assertFalse(cacheConfig.shouldCacheDataOnWrite());<a name="line.224"></a>
-<span class="sourceLineNo">225</span>    assertTrue(cacheConfig.shouldCacheDataOnRead());<a name="line.225"></a>
-<span class="sourceLineNo">226</span>    assertTrue(cacheConfig.shouldCacheBlockOnRead(BlockCategory.INDEX));<a name="line.226"></a>
-<span class="sourceLineNo">227</span>    assertTrue(cacheConfig.shouldCacheBlockOnRead(BlockCategory.META));<a name="line.227"></a>
-<span class="sourceLineNo">228</span>    assertTrue(cacheConfig.shouldCacheBlockOnRead(BlockCategory.BLOOM));<a name="line.228"></a>
-<span class="sourceLineNo">229</span>    assertFalse(cacheConfig.shouldCacheBloomsOnWrite());<a name="line.229"></a>
-<span class="sourceLineNo">230</span>    assertFalse(cacheConfig.shouldCacheIndexesOnWrite());<a name="line.230"></a>
-<span class="sourceLineNo">231</span><a name="line.231"></a>
-<span class="sourceLineNo">232</span>    conf.setBoolean(CacheConfig.CACHE_BLOCKS_ON_WRITE_KEY, true);<a name="line.232"></a>
-<span class="sourceLineNo">233</span>    conf.setBoolean(CacheConfig.CACHE_DATA_BLOCKS_COMPRESSED_KEY, true);<a name="line.233"></a>
-<span class="sourceLineNo">234</span>    conf.setBoolean(CacheConfig.CACHE_BLOOM_BLOCKS_ON_WRITE_KEY, true);<a name="line.234"></a>
-<span class="sourceLineNo">235</span>    conf.setBoolean(CacheConfig.CACHE_INDEX_BLOCKS_ON_WRITE_KEY, true);<a name="line.235"></a>
-<span class="sourceLineNo">236</span><a name="line.236"></a>
-<span class="sourceLineNo">237</span>    cacheConfig = new CacheConfig(conf);<a name="line.237"></a>
-<span class="sourceLineNo">238</span>    assertTrue(cacheConfig.shouldCacheBlockOnRead(BlockCategory.DATA));<a name="line.238"></a>
-<span class="sourceLineNo">239</span>    assertTrue(cacheConfig.shouldCacheCompressed(BlockCategory.DATA));<a name="line.239"></a>
-<span class="sourceLineNo">240</span>    assertTrue(cacheConfig.shouldCacheDataCompressed());<a name="line.240"></a>
-<span class="sourceLineNo">241</span>    assertTrue(cacheConfig.shouldCacheDataOnWrite());<a name="line.241"></a>
-<span class="sourceLineNo">242</span>    assertTrue(cacheConfig.shouldCacheDataOnRead());<a name="line.242"></a>
-<span class="sourceLineNo">243</span>    assertTrue(cacheConfig.shouldCacheBlockOnRead(BlockCategory.INDEX));<a name="line.243"></a>
-<span class="sourceLineNo">244</span>    assertTrue(cacheConfig.shouldCacheBlockOnRead(BlockCategory.META));<a name="line.244"></a>
-<span class="sourceLineNo">245</span>    assertTrue(cacheConfig.shouldCacheBlockOnRead(BlockCategory.BLOOM));<a name="line.245"></a>
-<span class="sourceLineNo">246</span>    assertTrue(cacheConfig.shouldCacheBloomsOnWrite());<a name="line.246"></a>
-<span class="sourceLineNo">247</span>    assertTrue(cacheConfig.shouldCacheIndexesOnWrite());<a name="line.247"></a>
-<span class="sourceLineNo">248</span><a name="line.248"></a>
-<span class="sourceLineNo">249</span>    conf.setBoolean(CacheConfig.CACHE_DATA_ON_READ_KEY, false);<a name="line.249"></a>
-<span class="sourceLineNo">250</span>    conf.setBoolean(CacheConfig.CACHE_BLOCKS_ON_WRITE_KEY, false);<a name="line.250"></a>
-<span class="sourceLineNo">251</span><a name="line.251"></a>
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-<span class="sourceLineNo">408</span>    // Enable our test flag.<a name="line.408"></a>
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-<span class="sourceLineNo">411</span>    assertDataBlockCount(lrubc, 1);<a name="line.411"></a>
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+<span class="sourceLineNo">025</span><a name="line.25"></a>
+<span class="sourceLineNo">026</span>import java.io.IOException;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import java.lang.management.ManagementFactory;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import java.lang.management.MemoryUsage;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import java.nio.ByteBuffer;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import java.util.Map;<a name="line.30"></a>
+<span class="sourceLineNo">031</span><a name="line.31"></a>
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+<span class="sourceLineNo">033</span>import org.apache.commons.logging.LogFactory;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import org.apache.hadoop.conf.Configuration;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.hadoop.fs.FileSystem;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import org.apache.hadoop.fs.Path;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.HBaseConfiguration;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.HBaseTestingUtility;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.HColumnDescriptor;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.HConstants;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.testclassification.IOTests;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.testclassification.LargeTests;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.io.hfile.BlockType.BlockCategory;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.io.hfile.Cacheable.MemoryType;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.io.hfile.bucket.BucketCache;<a name="line.45"></a>
+<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.io.util.MemorySizeUtil;<a name="line.46"></a>
+<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.nio.ByteBuff;<a name="line.47"></a>
+<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.48"></a>
+<span class="sourceLineNo">049</span>import org.junit.After;<a name="line.49"></a>
+<span class="sourceLineNo">050</span>import org.junit.Before;<a name="line.50"></a>
+<span class="sourceLineNo">051</span>import org.junit.Test;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>import org.junit.experimental.categories.Category;<a name="line.52"></a>
+<span class="sourceLineNo">053</span><a name="line.53"></a>
+<span class="sourceLineNo">054</span>/**<a name="line.54"></a>
+<span class="sourceLineNo">055</span> * Tests that {@link CacheConfig} does as expected.<a name="line.55"></a>
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+<span class="sourceLineNo">057</span>// This test is marked as a large test though it runs in a short amount of time<a name="line.57"></a>
+<span class="sourceLineNo">058</span>// (seconds).  It is large because it depends on being able to reset the global<a name="line.58"></a>
+<span class="sourceLineNo">059</span>// blockcache instance which is in a global variable.  Experience has it that<a name="line.59"></a>
+<span class="sourceLineNo">060</span>// tests clash on the global variable if this test is run as small sized test.<a name="line.60"></a>
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+<span class="sourceLineNo">062</span>public class TestCacheConfig {<a name="line.62"></a>
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+<span class="sourceLineNo">065</span><a name="line.65"></a>
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+<span class="sourceLineNo">312</span>      Path p = new Path(htu.getDataTestDir(), "bc.txt");<a name="line.312"></a>
+<span class="sourceLineNo">313</span>      FileSystem fs = FileSystem.get(this.conf);<a name="line.313"></a>
+<span class="sourceLineNo">314</span>      fs.create(p).close();<a name="line.314"></a>
+<span class="sourceLineNo">315</span>      this.conf.set(HConstants.BUCKET_CACHE_IOENGINE_KEY, "file:" + p);<a name="line.315"></a>
+<span class="sourceLineNo">316</span>      doBucketCacheConfigTest();<a name="line.316"></a>
+<span class="sourceLineNo">317</span>    } finally {<a name="line.317"></a>
+<span class="sourceLineNo">318</span>      htu.cleanupTestDir();<a name="line.318"></a>
+<span class="sourceLineNo">319</span>    }<a name="line.319"></a>
+<span class="sourceLineNo">320</span>  }<a name="line.320"></a>
+<span class="sourceLineNo">321</span><a name="line.321"></a>
+<span class="sourceLineNo">322</span>  private void doBucketCacheConfigTest() {<a name="line.322"></a>
+<span class="sourceLineNo">323</span>    final int bcSize = 100;<a name="line.323"></a>
+<span class="sourceLineNo">324</span>    this.conf.setInt(HConstants.BUCKET_CACHE_SIZE_KEY, bcSize);<a name="line.324"></a>
+<span class="sourceLineNo">325</span>    CacheConfig cc = new CacheConfig(this.conf);<a name="line.325"></a>
+<span class="sourceLineNo">326</span>    basicBlockCacheOps(cc, false, false);<a name="line.326"></a>
+<span class="sourceLineNo">327</span>    assertTrue(cc.getBlockCache() instanceof CombinedBlockCache);<a name="line.327"></a>
+<span class="sourceLineNo">328</span>    // TODO: Assert sizes allocated are right and proportions.<a name="line.328"></a>
+<span class="sourceLineNo">329</span>    CombinedBlockCache cbc = (CombinedBlockCache)cc.getBlockCache();<a name="line.329"></a>
+<span class="sourceLineNo">330</span>    BlockCache [] bcs = cbc.getBlockCaches();<a name="line.330"></a>
+<span class="sourceLineNo">331</span>    assertTrue(bcs[0] instanceof LruBlockCache);<a name="line.331"></a>
+<span class="sourceLineNo">332</span>    LruBlockCache lbc = (LruBlockCache)bcs[0];<a name="line.332"></a>
+<span class="sourceLineNo">333</span>    assertEquals(MemorySizeUtil.getLruCacheSize(this.conf), lbc.getMaxSize());<a name="line.333"></a>
+<span class="sourceLineNo">334</span>    assertTrue(bcs[1] instanceof BucketCache);<a name="line.334"></a>
+<span class="sourceLineNo">335</span>    BucketCache bc = (BucketCache)bcs[1];<a name="line.335"></a>
+<span class="sourceLineNo">336</span>    // getMaxSize comes back in bytes but we specified size in MB<a name="line.336"></a>
+<span class="sourceLineNo">337</span>    assertEquals(bcSize, bc.getMaxSize() / (1024 * 1024));<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>  /**<a name="line.340"></a>
+<span class="sourceLineNo">341</span>   * Assert that when BUCKET_CACHE_COMBINED_KEY is false, the non-default, that we deploy<a name="line.341"></a>
+<span class="sourceLineNo">342</span>   * LruBlockCache as L1 with a BucketCache for L2.<a name="line.342"></a>
+<span class="sourceLineNo">343</span>   */<a name="line.343"></a>
+<span class="sourceLineNo">344</span>  @Test (timeout=10000)<a name="line.344"></a>
+<span class="sourceLineNo">345</span>  public void testBucketCacheConfigL1L2Setup() {<a name="line.345"></a>
+<span class="sourceLineNo">346</span>    this.conf.set(HConstants.BUCKET_CACHE_IOENGINE_KEY, "offheap");<a name="line.346"></a>
+<span class="sourceLineNo">347</span>    // Make lru size is smaller than bcSize for sure.  Need this to be true so when eviction<a name="line.347"></a>
+<span class="sourceLineNo">348</span>    // from L1 happens, it does not fail because L2 can't take the eviction because block too big.<a name="line.348"></a>
+<span class="sourceLineNo">349</span>    this.conf.setFloat(HConstants.HFILE_BLOCK_CACHE_SIZE_KEY, 0.001f);<a name="line.349"></a>
+<span class="sourceLineNo">350</span>    MemoryUsage mu = ManagementFactory.getMemoryMXBean().getHeapMemoryUsage();<a name="line.350"></a>
+<span class="sourceLineNo">351</span>    long lruExpectedSize = MemorySizeUtil.getLruCacheSize(this.conf);<a name="line.351"></a>
+<span class="sourceLineNo">352</span>    final int bcSize = 100;<a name="line.352"></a>
+<span class="sourceLineNo">353</span>    long bcExpectedSize = 100 * 1024 * 1024; // MB.<a name="line.353"></a>
+<span class="sourceLineNo">354</span>    assertTrue(lruExpectedSize &lt; bcExpectedSize);<a name="line.354"></a>
+<span class="sourceLineNo">355</span>    this.conf.setInt(HConstants.BUCKET_CACHE_SIZE_KEY, bcSize);<a name="line.355"></a>
+<span class="sourceLineNo">356</span>    this.conf.setBoolean(CacheConfig.BUCKET_CACHE_COMBINED_KEY, false);<a name="line.356"></a>
+<span class="sourceLineNo">357</span>    CacheConfig cc = new CacheConfig(this.conf);<a name="line.357"></a>
+<span class="sourceLineNo">358</span>    basicBlockCacheOps(cc, false, false);<a name="line.358"></a>
+<span class="sourceLineNo">359</span>    assertTrue(cc.getBlockCache() instanceof LruBlockCache);<a name="line.359"></a>
+<span class="sourceLineNo">360</span>    // TODO: Assert sizes allocated are right and proportions.<a name="line.360"></a>
+<span class="sourceLineNo">361</span>    LruBlockCache lbc = (LruBlockCache)cc.getBlockCache();<a name="line.361"></a>
+<span class="sourceLineNo">362</span>    assertEquals(lruExpectedSize, lbc.getMaxSize());<a name="line.362"></a>
+<span class="sourceLineNo">363</span>    BlockCache bc = lbc.getVictimHandler();<a name="line.363"></a>
+<span class="sourceLineNo">364</span>    // getMaxSize comes back in bytes but we specified size in MB<a name="line.364"></a>
+<span class="sourceLineNo">365</span>    assertEquals(bcExpectedSize, ((BucketCache) bc).getMaxSize());<a name="line.365"></a>
+<span class="sourceLineNo">366</span>    // Test the L1+L2 deploy works as we'd expect with blocks evicted from L1 going to L2.<a name="line.366"></a>
+<span class="sourceLineNo">367</span>    long initialL1BlockCount = lbc.getBlockCount();<a name="line.367"></a>
+<span class="sourceLineNo">368</span>    long initialL2BlockCount = bc.getBlockCount();<a name="line.368"></a>
+<span class="sourceLineNo">369</span>    Cacheable c = new DataCacheEntry();<a name="line.369"></a>
+<span class="sourceLineNo">370</span>    BlockCacheKey bck = new BlockCacheKey("bck", 0);<a name="line.370"></a>
+<span class="sourceLineNo">371</span>    lbc.cacheBlock(bck, c, false, false);<a name="line.371"></a>
+<span class="sourceLineNo">372</span>    assertEquals(initialL1BlockCount + 1, lbc.getBlockCount());<a name="line.372"></a>
+<span class="sourceLineNo">373</span>    assertEquals(initialL2BlockCount, bc.getBlockCount());<a name="line.373"></a>
+<span class="sourceLineNo">374</span>    // Force evictions by putting in a block too big.<a name="line.374"></a>
+<span class="sourceLineNo">375</span>    final long justTooBigSize = lbc.acceptableSize() + 1;<a name="line.375"></a>
+<span class="sourceLineNo">376</span>    lbc.cacheBlock(new BlockCacheKey("bck2", 0), new DataCacheEntry() {<a name="line.376"></a>
+<span class="sourceLineNo">377</span>      @Override<a name="line.377"></a>
+<span class="sourceLineNo">378</span>      public long heapSize() {<a name="line.378"></a>
+<span class="sourceLineNo">379</span>        return justTooBigSize;<a name="line.379"></a>
+<span class="sourceLineNo">380</span>      }<a name="line.380"></a>
+<span class="sourceLineNo">381</span><a name="line.381"></a>
+<span class="sourceLineNo">382</span>      @Override<a name="line.382"></a>
+<span class="sourceLineNo">383</span>      public int getSerializedLength() {<a name="line.383"></a>
+<span class="sourceLineNo">384</span>        return (int)heapSize();<a name="line.384"></a>
+<span class="sourceLineNo">385</span>      }<a name="line.385"></a>
+<span class="sourceLineNo">386</span>    });<a name="line.386"></a>
+<span class="sourceLineNo">387</span>    // The eviction thread in lrublockcache needs to run.<a name="line.387"></a>
+<span class="sourceLineNo">388</span>    while (initialL1BlockCount != lbc.getBlockCount()) Threads.sleep(10);<a name="line.388"></a>
+<span class="sourceLineNo">389</span>    assertEquals(initialL1BlockCount, lbc.getBlockCount());<a name="line.389"></a>
+<span class="sourceLineNo">390</span>    long count = bc.getBlockCount();<a name="line.390"></a>
+<span class="sourceLineNo">391</span>    assertTrue(initialL2BlockCount + 1 &lt;= count);<a name="line.391"></a>
+<span class="sourceLineNo">392</span>  }<a name="line.392"></a>
+<span class="sourceLineNo">393</span><a name="line.393"></a>
+<span class="sourceLineNo">394</span>  /**<a name="line.394"></a>
+<span class="sourceLineNo">395</span>   * Test the cacheDataInL1 flag.  When set, data blocks should be cached in the l1 tier, up in<a name="line.395"></a>
+<span class="sourceLineNo">396</span>   * LruBlockCache when using CombinedBlockCcahe.<a name="line.396"></a>
+<span class="sourceLineNo">397</span>   */<a name="line.397"></a>
+<span class="sourceLineNo">398</span>  @Test<a name="line.398"></a>
+<span class="sourceLineNo">399</span>  public void testCacheDataInL1() {<a name="line.399"></a>
+<span class="sourceLineNo">400</span>    this.conf.set(HConstants.BUCKET_CACHE_IOENGINE_KEY, "offheap");<a name="line.400"></a>
+<span class="sourceLineNo">401</span>    this.conf.setInt(HConstants.BUCKET_CACHE_SIZE_KEY, 100);<a name="line.401"></a>
+<span class="sourceLineNo">402</span>    CacheConfig cc = new CacheConfig(this.conf);<a name="line.402"></a>
+<span class="sourceLineNo">403</span>    assertTrue(cc.getBlockCache() instanceof CombinedBlockCache);<a name="line.403"></a>
+<span class="sourceLineNo">404</span>    CombinedBlockCache cbc = (CombinedBlockCache)cc.getBlockCache();<a name="line.404"></a>
+<span class="sourceLineNo">405</span>    // Add a data block.  Should go into L2, into the Bucket Cache, not the LruBlockCache.<a name="line.405"></a>
+<span class="sourceLineNo">406</span>    cacheDataBlock(cc, "1");<a name="line.406"></a>
+<span class="sourceLineNo">407</span>    LruBlockCache lrubc = (LruBlockCache)cbc.getBlockCaches()[0];<a name="line.407"></a>
+<span class="sourceLineNo">408</span>    assertDataBlockCount(lrubc, 0);<a name="line.408"></a>
+<span class="sourceLineNo">409</span>    // Enable our test flag.<a name="line.409"></a>
+<span class="sourceLineNo">410</span>    cc.setCacheDataInL1(true);<a name="line.410"></a>
+<span class="sourceLineNo">411</span>    cacheDataBlock(cc, "2");<a name="line.411"></a>
+<span class="sourceLineNo">412</span>    assertDataBlockCount(lrubc, 1);<a name="line.412"></a>
+<span class="sourceLineNo">413</span>    cc.setCacheDataInL1(false);<a name="line.413"></a>
+<span class="sourceLineNo">414</span>    cacheDataBlock(cc, "3");<a name="line.414"></a>
+<span class="sourceLineNo">415</span>    assertDataBlockCount(lrubc, 1);<a name="line.415"></a>
+<span class="sourceLineNo">416</span>  }<a name="line.416"></a>
+<span class="sourceLineNo">417</span><a name="line.417"></a>
+<span class="sourceLineNo">418</span>  @Test<a name="line.418"></a>
+<span class="sourceLineNo">419</span>  public void testL2CacheWithInvalidBucketSize() {<a name="line.419"></a>
+<span class="sourceLineNo">420</span>    Configuration c = new Configuration(this.conf);<a name="line.420"></a>
+<span class="sourceLineNo">421</span>    c.set(HConstants.BUCKET_CACHE_IOENGINE_KEY, "offheap");<a name="line.421"></a>
+<span class="sourceLineNo">422</span>    c.set(CacheConfig.BUCKET_CACHE_BUCKETS_KEY, "256,512,1024,2048,4000,4096");<a name="line.422"></a>
+<span class="sourceLineNo">423</span>    c.setFloat(HConstants.BUCKET_CACHE_SIZE_KEY, 1024);<a name="line.423"></a>
+<span class="sourceLineNo">424</span>    try {<a name="line.424"></a>
+<span class="sourceLineNo">425</span>      CacheConfig.getL2(c);<a name="line.425"></a>
+<span class="sourceLineNo">426</span>      fail("Should throw IllegalArgumentException when passing illegal value for bucket size");<a name="line.426"></a>
+<span class="sourceLineNo">427</span>    } catch (IllegalArgumentException e) {<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><a name="line.430"></a>
+<span class="sourceLineNo">431</span>  private void assertDataBlockCount(final LruBlockCache bc, final int expected) {<a name="line.431"></a>
+<span class="sourceLineNo">432</span>    Map&lt;BlockType, Integer&gt; blocks = bc.getBlockTypeCountsForTest();<a name="line.432"></a>
+<span class="sourceLineNo">433</span>    assertEquals(expected, blocks == null? 0:<a name="line.433"></a>
+<span class="sourceLineNo">434</span>      blocks.get(BlockType.DATA) == null? 0:<a name="line.434"></a>
+<span class="sourceLineNo">435</span>      blocks.get(BlockType.DATA).intValue());<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>
 
 
 


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