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Posted to commits@hbase.apache.org by gi...@apache.org on 2018/08/02 19:52:04 UTC
[18/51] [partial] hbase-site git commit: Published site at
613d831429960348dc42c3bdb6ea5d31be15c81c.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/7cf6034b/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.RAMQueueEntry.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.RAMQueueEntry.html b/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.RAMQueueEntry.html
index bd3c59e..21e240a 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.RAMQueueEntry.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.RAMQueueEntry.html
@@ -33,62 +33,62 @@
<span class="sourceLineNo">025</span>import java.io.FileNotFoundException;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import java.io.FileOutputStream;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import java.io.IOException;<a name="line.27"></a>
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+<span class="sourceLineNo">042</span>import java.util.concurrent.ConcurrentMap;<a name="line.42"></a>
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+<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.io.hfile.BlockCacheKey;<a name="line.57"></a>
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+<span class="sourceLineNo">068</span>import org.apache.hadoop.hbase.nio.ByteBuff;<a name="line.68"></a>
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+<span class="sourceLineNo">082</span>import org.apache.hbase.thirdparty.com.google.common.util.concurrent.ThreadFactoryBuilder;<a name="line.82"></a>
+<span class="sourceLineNo">083</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.BucketCacheProtos;<a name="line.83"></a>
<span class="sourceLineNo">084</span><a name="line.84"></a>
<span class="sourceLineNo">085</span>/**<a name="line.85"></a>
<span class="sourceLineNo">086</span> * BucketCache uses {@link BucketAllocator} to allocate/free blocks, and uses<a name="line.86"></a>
@@ -172,1540 +172,1557 @@
<span class="sourceLineNo">164</span> private volatile boolean freeInProgress = false;<a name="line.164"></a>
<span class="sourceLineNo">165</span> private final Lock freeSpaceLock = new ReentrantLock();<a name="line.165"></a>
<span class="sourceLineNo">166</span><a name="line.166"></a>
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-<span class="sourceLineNo">168</span><a name="line.168"></a>
-<span class="sourceLineNo">169</span> private final LongAdder realCacheSize = new LongAdder();<a name="line.169"></a>
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-<span class="sourceLineNo">171</span> /** Current number of cached elements */<a name="line.171"></a>
-<span class="sourceLineNo">172</span> private final LongAdder blockNumber = new LongAdder();<a name="line.172"></a>
-<span class="sourceLineNo">173</span><a name="line.173"></a>
-<span class="sourceLineNo">174</span> /** Cache access count (sequential ID) */<a name="line.174"></a>
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-<span class="sourceLineNo">177</span> private static final int DEFAULT_CACHE_WAIT_TIME = 50;<a name="line.177"></a>
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-<span class="sourceLineNo">179</span> // bucket cache will skip some blocks when caching. If the flag is true, we<a name="line.179"></a>
-<span class="sourceLineNo">180</span> // will wait blocks flushed to IOEngine for some time when caching<a name="line.180"></a>
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+<span class="sourceLineNo">171</span><a name="line.171"></a>
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+<span class="sourceLineNo">174</span><a name="line.174"></a>
+<span class="sourceLineNo">175</span> private static final int DEFAULT_CACHE_WAIT_TIME = 50;<a name="line.175"></a>
+<span class="sourceLineNo">176</span> // Used in test now. If the flag is false and the cache speed is very fast,<a name="line.176"></a>
+<span class="sourceLineNo">177</span> // bucket cache will skip some blocks when caching. If the flag is true, we<a name="line.177"></a>
+<span class="sourceLineNo">178</span> // will wait blocks flushed to IOEngine for some time when caching<a name="line.178"></a>
+<span class="sourceLineNo">179</span> boolean wait_when_cache = false;<a name="line.179"></a>
+<span class="sourceLineNo">180</span><a name="line.180"></a>
+<span class="sourceLineNo">181</span> private final BucketCacheStats cacheStats = new BucketCacheStats();<a name="line.181"></a>
<span class="sourceLineNo">182</span><a name="line.182"></a>
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-<span class="sourceLineNo">199</span> /**<a name="line.199"></a>
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-<span class="sourceLineNo">238</span><a name="line.238"></a>
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+<span class="sourceLineNo">214</span><a name="line.214"></a>
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+<span class="sourceLineNo">219</span> }<a name="line.219"></a>
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+<span class="sourceLineNo">227</span><a name="line.227"></a>
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+<span class="sourceLineNo">236</span><a name="line.236"></a>
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+<span class="sourceLineNo">239</span><a name="line.239"></a>
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+<span class="sourceLineNo">243</span> /** Multiple access bucket size */<a name="line.243"></a>
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+<span class="sourceLineNo">248</span><a name="line.248"></a>
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+<span class="sourceLineNo">251</span> IOException {<a name="line.251"></a>
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+<span class="sourceLineNo">254</span> }<a name="line.254"></a>
+<span class="sourceLineNo">255</span><a name="line.255"></a>
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+<span class="sourceLineNo">258</span> Configuration conf)<a name="line.258"></a>
+<span class="sourceLineNo">259</span> throws FileNotFoundException, IOException {<a name="line.259"></a>
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+<span class="sourceLineNo">267</span><a name="line.267"></a>
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+<span class="sourceLineNo">271</span> this.singleFactor = conf.getFloat(SINGLE_FACTOR_CONFIG_NAME, DEFAULT_SINGLE_FACTOR);<a name="line.271"></a>
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+<span class="sourceLineNo">274</span><a name="line.274"></a>
+<span class="sourceLineNo">275</span> sanityCheckConfigs();<a name="line.275"></a>
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-<span class="sourceLineNo">281</span> ", memoryFactor: " + memoryFactor);<a name="line.281"></a>
-<span class="sourceLineNo">282</span><a name="line.282"></a>
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+<span class="sourceLineNo">279</span> ", memoryFactor: " + memoryFactor);<a name="line.279"></a>
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+<span class="sourceLineNo">285</span><a name="line.285"></a>
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<span class="sourceLineNo">295</span><a name="line.295"></a>
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-<span class="sourceLineNo">302</span> LOG.error("Can't restore from file because of", ioex);<a name="line.302"></a>
-<span class="sourceLineNo">303</span> } catch (ClassNotFoundException cnfe) {<a name="line.303"></a>
-<span class="sourceLineNo">304</span> LOG.error("Can't restore from file in rebuild because can't deserialise",cnfe);<a name="line.304"></a>
-<span class="sourceLineNo">305</span> throw new RuntimeException(cnfe);<a name="line.305"></a>
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-<span class="sourceLineNo">312</span> writerThreads[i].setName(threadName + "-BucketCacheWriter-" + i);<a name="line.312"></a>
-<span class="sourceLineNo">313</span> writerThreads[i].setDaemon(true);<a name="line.313"></a>
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-<span class="sourceLineNo">318</span> // TODO: Add means of turning this off. Bit obnoxious running thread just to make a log<a name="line.318"></a>
-<span class="sourceLineNo">319</span> // every five minutes.<a name="line.319"></a>
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-<span class="sourceLineNo">323</span> ", capacity=" + StringUtils.byteDesc(capacity) +<a name="line.323"></a>
-<span class="sourceLineNo">324</span> ", blockSize=" + StringUtils.byteDesc(blockSize) + ", writerThreadNum=" +<a name="line.324"></a>
-<span class="sourceLineNo">325</span> writerThreadNum + ", writerQLen=" + writerQLen + ", persistencePath=" +<a name="line.325"></a>
-<span class="sourceLineNo">326</span> persistencePath + ", bucketAllocator=" + this.bucketAllocator.getClass().getName());<a name="line.326"></a>
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-<span class="sourceLineNo">348</span> thread.start();<a name="line.348"></a>
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+<span class="sourceLineNo">300</span> LOG.error("Can't restore from file[" + persistencePath + "] because of ", ioex);<a name="line.300"></a>
+<span class="sourceLineNo">301</span> }<a name="line.301"></a>
+<span class="sourceLineNo">302</span> }<a name="line.302"></a>
+<span class="sourceLineNo">303</span> final String threadName = Thread.currentThread().getName();<a name="line.303"></a>
+<span class="sourceLineNo">304</span> this.cacheEnabled = true;<a name="line.304"></a>
+<span class="sourceLineNo">305</span> for (int i = 0; i < writerThreads.length; ++i) {<a name="line.305"></a>
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+<span class="sourceLineNo">307</span> writerThreads[i].setName(threadName + "-BucketCacheWriter-" + i);<a name="line.307"></a>
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+<span class="sourceLineNo">434</span> LOG.trace("Caching key={}, item={}", cacheKey, cachedItem);<a name="line.434"></a>
+<span class="sourceLineNo">435</span> // Stuff the entry into the RAM cache so it can get drained to the persistent store<a name="line.435"></a>
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+<span class="sourceLineNo">438</span> /**<a name="line.438"></a>
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+<span class="sourceLineNo">503</span> // 12295 are available<a name="line.503"></a>
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