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| <pre><span class="source-line-no">001</span><span id="line-1">/*</span> |
| <span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span> |
| <span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span> |
| <span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span> |
| <span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span> |
| <span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span> |
| <span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span> |
| <span class="source-line-no">009</span><span id="line-9"> *</span> |
| <span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="source-line-no">011</span><span id="line-11"> *</span> |
| <span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span> |
| <span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span> |
| <span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span> |
| <span class="source-line-no">017</span><span id="line-17"> */</span> |
| <span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.io.hfile;</span> |
| <span class="source-line-no">019</span><span id="line-19"></span> |
| <span class="source-line-no">020</span><span id="line-20">import java.util.Optional;</span> |
| <span class="source-line-no">021</span><span id="line-21">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">022</span><span id="line-22">import org.apache.hadoop.hbase.client.ColumnFamilyDescriptor;</span> |
| <span class="source-line-no">023</span><span id="line-23">import org.apache.hadoop.hbase.conf.ConfigurationObserver;</span> |
| <span class="source-line-no">024</span><span id="line-24">import org.apache.hadoop.hbase.io.ByteBuffAllocator;</span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.hbase.io.hfile.BlockType.BlockCategory;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.slf4j.Logger;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">029</span><span id="line-29"></span> |
| <span class="source-line-no">030</span><span id="line-30">/**</span> |
| <span class="source-line-no">031</span><span id="line-31"> * Stores all of the cache objects and configuration for a single HFile.</span> |
| <span class="source-line-no">032</span><span id="line-32"> */</span> |
| <span class="source-line-no">033</span><span id="line-33">@InterfaceAudience.Private</span> |
| <span class="source-line-no">034</span><span id="line-34">public class CacheConfig implements ConfigurationObserver {</span> |
| <span class="source-line-no">035</span><span id="line-35"> private static final Logger LOG = LoggerFactory.getLogger(CacheConfig.class.getName());</span> |
| <span class="source-line-no">036</span><span id="line-36"></span> |
| <span class="source-line-no">037</span><span id="line-37"> /**</span> |
| <span class="source-line-no">038</span><span id="line-38"> * Disabled cache configuration</span> |
| <span class="source-line-no">039</span><span id="line-39"> */</span> |
| <span class="source-line-no">040</span><span id="line-40"> public static final CacheConfig DISABLED = new CacheConfig();</span> |
| <span class="source-line-no">041</span><span id="line-41"></span> |
| <span class="source-line-no">042</span><span id="line-42"> /**</span> |
| <span class="source-line-no">043</span><span id="line-43"> * Configuration key to cache data blocks on read. Bloom blocks and index blocks are always be</span> |
| <span class="source-line-no">044</span><span id="line-44"> * cached if the block cache is enabled.</span> |
| <span class="source-line-no">045</span><span id="line-45"> */</span> |
| <span class="source-line-no">046</span><span id="line-46"> public static final String CACHE_DATA_ON_READ_KEY = "hbase.block.data.cacheonread";</span> |
| <span class="source-line-no">047</span><span id="line-47"></span> |
| <span class="source-line-no">048</span><span id="line-48"> /**</span> |
| <span class="source-line-no">049</span><span id="line-49"> * Configuration key to cache data blocks on write. There are separate switches for bloom blocks</span> |
| <span class="source-line-no">050</span><span id="line-50"> * and non-root index blocks.</span> |
| <span class="source-line-no">051</span><span id="line-51"> */</span> |
| <span class="source-line-no">052</span><span id="line-52"> public static final String CACHE_BLOCKS_ON_WRITE_KEY = "hbase.rs.cacheblocksonwrite";</span> |
| <span class="source-line-no">053</span><span id="line-53"></span> |
| <span class="source-line-no">054</span><span id="line-54"> /**</span> |
| <span class="source-line-no">055</span><span id="line-55"> * Configuration key to cache leaf and intermediate-level index blocks on write.</span> |
| <span class="source-line-no">056</span><span id="line-56"> */</span> |
| <span class="source-line-no">057</span><span id="line-57"> public static final String CACHE_INDEX_BLOCKS_ON_WRITE_KEY = "hfile.block.index.cacheonwrite";</span> |
| <span class="source-line-no">058</span><span id="line-58"></span> |
| <span class="source-line-no">059</span><span id="line-59"> /**</span> |
| <span class="source-line-no">060</span><span id="line-60"> * Configuration key to cache compound bloom filter blocks on write.</span> |
| <span class="source-line-no">061</span><span id="line-61"> */</span> |
| <span class="source-line-no">062</span><span id="line-62"> public static final String CACHE_BLOOM_BLOCKS_ON_WRITE_KEY = "hfile.block.bloom.cacheonwrite";</span> |
| <span class="source-line-no">063</span><span id="line-63"></span> |
| <span class="source-line-no">064</span><span id="line-64"> /**</span> |
| <span class="source-line-no">065</span><span id="line-65"> * Configuration key to cache data blocks in compressed and/or encrypted format.</span> |
| <span class="source-line-no">066</span><span id="line-66"> */</span> |
| <span class="source-line-no">067</span><span id="line-67"> public static final String CACHE_DATA_BLOCKS_COMPRESSED_KEY = "hbase.block.data.cachecompressed";</span> |
| <span class="source-line-no">068</span><span id="line-68"></span> |
| <span class="source-line-no">069</span><span id="line-69"> /**</span> |
| <span class="source-line-no">070</span><span id="line-70"> * Configuration key to evict all blocks of a given file from the block cache when the file is</span> |
| <span class="source-line-no">071</span><span id="line-71"> * closed.</span> |
| <span class="source-line-no">072</span><span id="line-72"> */</span> |
| <span class="source-line-no">073</span><span id="line-73"> public static final String EVICT_BLOCKS_ON_CLOSE_KEY = "hbase.rs.evictblocksonclose";</span> |
| <span class="source-line-no">074</span><span id="line-74"></span> |
| <span class="source-line-no">075</span><span id="line-75"> public static final String EVICT_BLOCKS_ON_SPLIT_KEY = "hbase.rs.evictblocksonsplit";</span> |
| <span class="source-line-no">076</span><span id="line-76"></span> |
| <span class="source-line-no">077</span><span id="line-77"> /**</span> |
| <span class="source-line-no">078</span><span id="line-78"> * Configuration key to prefetch all blocks of a given file into the block cache when the file is</span> |
| <span class="source-line-no">079</span><span id="line-79"> * opened.</span> |
| <span class="source-line-no">080</span><span id="line-80"> */</span> |
| <span class="source-line-no">081</span><span id="line-81"> public static final String PREFETCH_BLOCKS_ON_OPEN_KEY = "hbase.rs.prefetchblocksonopen";</span> |
| <span class="source-line-no">082</span><span id="line-82"></span> |
| <span class="source-line-no">083</span><span id="line-83"> /**</span> |
| <span class="source-line-no">084</span><span id="line-84"> * Configuration key to cache blocks when a compacted file is written</span> |
| <span class="source-line-no">085</span><span id="line-85"> */</span> |
| <span class="source-line-no">086</span><span id="line-86"> public static final String CACHE_COMPACTED_BLOCKS_ON_WRITE_KEY =</span> |
| <span class="source-line-no">087</span><span id="line-87"> "hbase.rs.cachecompactedblocksonwrite";</span> |
| <span class="source-line-no">088</span><span id="line-88"></span> |
| <span class="source-line-no">089</span><span id="line-89"> /**</span> |
| <span class="source-line-no">090</span><span id="line-90"> * Configuration key to determine total size in bytes of compacted files beyond which we do not</span> |
| <span class="source-line-no">091</span><span id="line-91"> * cache blocks on compaction</span> |
| <span class="source-line-no">092</span><span id="line-92"> */</span> |
| <span class="source-line-no">093</span><span id="line-93"> public static final String CACHE_COMPACTED_BLOCKS_ON_WRITE_THRESHOLD_KEY =</span> |
| <span class="source-line-no">094</span><span id="line-94"> "hbase.rs.cachecompactedblocksonwrite.threshold";</span> |
| <span class="source-line-no">095</span><span id="line-95"></span> |
| <span class="source-line-no">096</span><span id="line-96"> public static final String DROP_BEHIND_CACHE_COMPACTION_KEY =</span> |
| <span class="source-line-no">097</span><span id="line-97"> "hbase.hfile.drop.behind.compaction";</span> |
| <span class="source-line-no">098</span><span id="line-98"></span> |
| <span class="source-line-no">099</span><span id="line-99"> /**</span> |
| <span class="source-line-no">100</span><span id="line-100"> * Configuration key to set interval for persisting bucket cache to disk.</span> |
| <span class="source-line-no">101</span><span id="line-101"> */</span> |
| <span class="source-line-no">102</span><span id="line-102"> public static final String BUCKETCACHE_PERSIST_INTERVAL_KEY =</span> |
| <span class="source-line-no">103</span><span id="line-103"> "hbase.bucketcache.persist.intervalinmillis";</span> |
| <span class="source-line-no">104</span><span id="line-104"></span> |
| <span class="source-line-no">105</span><span id="line-105"> /**</span> |
| <span class="source-line-no">106</span><span id="line-106"> * Configuration key to set the heap usage threshold limit once prefetch threads should be</span> |
| <span class="source-line-no">107</span><span id="line-107"> * interrupted.</span> |
| <span class="source-line-no">108</span><span id="line-108"> */</span> |
| <span class="source-line-no">109</span><span id="line-109"> public static final String PREFETCH_HEAP_USAGE_THRESHOLD = "hbase.rs.prefetchheapusage";</span> |
| <span class="source-line-no">110</span><span id="line-110"></span> |
| <span class="source-line-no">111</span><span id="line-111"> // Defaults</span> |
| <span class="source-line-no">112</span><span id="line-112"> public static final boolean DEFAULT_CACHE_DATA_ON_READ = true;</span> |
| <span class="source-line-no">113</span><span id="line-113"> public static final boolean DEFAULT_CACHE_DATA_ON_WRITE = false;</span> |
| <span class="source-line-no">114</span><span id="line-114"> public static final boolean DEFAULT_IN_MEMORY = false;</span> |
| <span class="source-line-no">115</span><span id="line-115"> public static final boolean DEFAULT_CACHE_INDEXES_ON_WRITE = false;</span> |
| <span class="source-line-no">116</span><span id="line-116"> public static final boolean DEFAULT_CACHE_BLOOMS_ON_WRITE = false;</span> |
| <span class="source-line-no">117</span><span id="line-117"> public static final boolean DEFAULT_EVICT_ON_CLOSE = false;</span> |
| <span class="source-line-no">118</span><span id="line-118"> public static final boolean DEFAULT_EVICT_ON_SPLIT = true;</span> |
| <span class="source-line-no">119</span><span id="line-119"> public static final boolean DEFAULT_CACHE_DATA_COMPRESSED = false;</span> |
| <span class="source-line-no">120</span><span id="line-120"> public static final boolean DEFAULT_PREFETCH_ON_OPEN = false;</span> |
| <span class="source-line-no">121</span><span id="line-121"> public static final boolean DEFAULT_CACHE_COMPACTED_BLOCKS_ON_WRITE = false;</span> |
| <span class="source-line-no">122</span><span id="line-122"> public static final boolean DROP_BEHIND_CACHE_COMPACTION_DEFAULT = true;</span> |
| <span class="source-line-no">123</span><span id="line-123"> public static final long DEFAULT_CACHE_COMPACTED_BLOCKS_ON_WRITE_THRESHOLD = Long.MAX_VALUE;</span> |
| <span class="source-line-no">124</span><span id="line-124"> public static final double DEFAULT_PREFETCH_HEAP_USAGE_THRESHOLD = 1d;</span> |
| <span class="source-line-no">125</span><span id="line-125"></span> |
| <span class="source-line-no">126</span><span id="line-126"> /**</span> |
| <span class="source-line-no">127</span><span id="line-127"> * Whether blocks should be cached on read (default is on if there is a cache but this can be</span> |
| <span class="source-line-no">128</span><span id="line-128"> * turned off on a per-family or per-request basis). If off we will STILL cache meta blocks; i.e.</span> |
| <span class="source-line-no">129</span><span id="line-129"> * INDEX and BLOOM types. This cannot be disabled.</span> |
| <span class="source-line-no">130</span><span id="line-130"> */</span> |
| <span class="source-line-no">131</span><span id="line-131"> private volatile boolean cacheDataOnRead;</span> |
| <span class="source-line-no">132</span><span id="line-132"></span> |
| <span class="source-line-no">133</span><span id="line-133"> /** Whether blocks should be flagged as in-memory when being cached */</span> |
| <span class="source-line-no">134</span><span id="line-134"> private final boolean inMemory;</span> |
| <span class="source-line-no">135</span><span id="line-135"></span> |
| <span class="source-line-no">136</span><span id="line-136"> /** Whether data blocks should be cached when new files are written */</span> |
| <span class="source-line-no">137</span><span id="line-137"> private volatile boolean cacheDataOnWrite;</span> |
| <span class="source-line-no">138</span><span id="line-138"></span> |
| <span class="source-line-no">139</span><span id="line-139"> /** Whether index blocks should be cached when new files are written */</span> |
| <span class="source-line-no">140</span><span id="line-140"> private boolean cacheIndexesOnWrite;</span> |
| <span class="source-line-no">141</span><span id="line-141"></span> |
| <span class="source-line-no">142</span><span id="line-142"> /** Whether compound bloom filter blocks should be cached on write */</span> |
| <span class="source-line-no">143</span><span id="line-143"> private boolean cacheBloomsOnWrite;</span> |
| <span class="source-line-no">144</span><span id="line-144"></span> |
| <span class="source-line-no">145</span><span id="line-145"> /** Whether blocks of a file should be evicted when the file is closed */</span> |
| <span class="source-line-no">146</span><span id="line-146"> private volatile boolean evictOnClose;</span> |
| <span class="source-line-no">147</span><span id="line-147"></span> |
| <span class="source-line-no">148</span><span id="line-148"> /** Whether data blocks should be stored in compressed and/or encrypted form in the cache */</span> |
| <span class="source-line-no">149</span><span id="line-149"> private final boolean cacheDataCompressed;</span> |
| <span class="source-line-no">150</span><span id="line-150"></span> |
| <span class="source-line-no">151</span><span id="line-151"> /** Whether data blocks should be prefetched into the cache */</span> |
| <span class="source-line-no">152</span><span id="line-152"> private final boolean prefetchOnOpen;</span> |
| <span class="source-line-no">153</span><span id="line-153"></span> |
| <span class="source-line-no">154</span><span id="line-154"> /**</span> |
| <span class="source-line-no">155</span><span id="line-155"> * Whether data blocks should be cached when compacted file is written</span> |
| <span class="source-line-no">156</span><span id="line-156"> */</span> |
| <span class="source-line-no">157</span><span id="line-157"> private final boolean cacheCompactedDataOnWrite;</span> |
| <span class="source-line-no">158</span><span id="line-158"></span> |
| <span class="source-line-no">159</span><span id="line-159"> /**</span> |
| <span class="source-line-no">160</span><span id="line-160"> * Determine threshold beyond which we do not cache blocks on compaction</span> |
| <span class="source-line-no">161</span><span id="line-161"> */</span> |
| <span class="source-line-no">162</span><span id="line-162"> private long cacheCompactedDataOnWriteThreshold;</span> |
| <span class="source-line-no">163</span><span id="line-163"></span> |
| <span class="source-line-no">164</span><span id="line-164"> private final boolean dropBehindCompaction;</span> |
| <span class="source-line-no">165</span><span id="line-165"></span> |
| <span class="source-line-no">166</span><span id="line-166"> // Local reference to the block cache</span> |
| <span class="source-line-no">167</span><span id="line-167"> private final BlockCache blockCache;</span> |
| <span class="source-line-no">168</span><span id="line-168"></span> |
| <span class="source-line-no">169</span><span id="line-169"> private final ByteBuffAllocator byteBuffAllocator;</span> |
| <span class="source-line-no">170</span><span id="line-170"></span> |
| <span class="source-line-no">171</span><span id="line-171"> private final double heapUsageThreshold;</span> |
| <span class="source-line-no">172</span><span id="line-172"></span> |
| <span class="source-line-no">173</span><span id="line-173"> /**</span> |
| <span class="source-line-no">174</span><span id="line-174"> * Create a cache configuration using the specified configuration object and defaults for family</span> |
| <span class="source-line-no">175</span><span id="line-175"> * level settings. Only use if no column family context.</span> |
| <span class="source-line-no">176</span><span id="line-176"> * @param conf hbase configuration</span> |
| <span class="source-line-no">177</span><span id="line-177"> */</span> |
| <span class="source-line-no">178</span><span id="line-178"> public CacheConfig(Configuration conf) {</span> |
| <span class="source-line-no">179</span><span id="line-179"> this(conf, null);</span> |
| <span class="source-line-no">180</span><span id="line-180"> }</span> |
| <span class="source-line-no">181</span><span id="line-181"></span> |
| <span class="source-line-no">182</span><span id="line-182"> public CacheConfig(Configuration conf, BlockCache blockCache) {</span> |
| <span class="source-line-no">183</span><span id="line-183"> this(conf, null, blockCache, ByteBuffAllocator.HEAP);</span> |
| <span class="source-line-no">184</span><span id="line-184"> }</span> |
| <span class="source-line-no">185</span><span id="line-185"></span> |
| <span class="source-line-no">186</span><span id="line-186"> /**</span> |
| <span class="source-line-no">187</span><span id="line-187"> * Create a cache configuration using the specified configuration object and family descriptor.</span> |
| <span class="source-line-no">188</span><span id="line-188"> * @param conf hbase configuration</span> |
| <span class="source-line-no">189</span><span id="line-189"> * @param family column family configuration</span> |
| <span class="source-line-no">190</span><span id="line-190"> */</span> |
| <span class="source-line-no">191</span><span id="line-191"> public CacheConfig(Configuration conf, ColumnFamilyDescriptor family, BlockCache blockCache,</span> |
| <span class="source-line-no">192</span><span id="line-192"> ByteBuffAllocator byteBuffAllocator) {</span> |
| <span class="source-line-no">193</span><span id="line-193"> this.cacheDataOnRead = conf.getBoolean(CACHE_DATA_ON_READ_KEY, DEFAULT_CACHE_DATA_ON_READ)</span> |
| <span class="source-line-no">194</span><span id="line-194"> && (family == null ? true : family.isBlockCacheEnabled());</span> |
| <span class="source-line-no">195</span><span id="line-195"> this.inMemory = family == null ? DEFAULT_IN_MEMORY : family.isInMemory();</span> |
| <span class="source-line-no">196</span><span id="line-196"> this.cacheDataCompressed =</span> |
| <span class="source-line-no">197</span><span id="line-197"> conf.getBoolean(CACHE_DATA_BLOCKS_COMPRESSED_KEY, DEFAULT_CACHE_DATA_COMPRESSED);</span> |
| <span class="source-line-no">198</span><span id="line-198"> this.dropBehindCompaction =</span> |
| <span class="source-line-no">199</span><span id="line-199"> conf.getBoolean(DROP_BEHIND_CACHE_COMPACTION_KEY, DROP_BEHIND_CACHE_COMPACTION_DEFAULT);</span> |
| <span class="source-line-no">200</span><span id="line-200"> // For the following flags we enable them regardless of per-schema settings</span> |
| <span class="source-line-no">201</span><span id="line-201"> // if they are enabled in the global configuration.</span> |
| <span class="source-line-no">202</span><span id="line-202"> this.cacheDataOnWrite = conf.getBoolean(CACHE_BLOCKS_ON_WRITE_KEY, DEFAULT_CACHE_DATA_ON_WRITE)</span> |
| <span class="source-line-no">203</span><span id="line-203"> || (family == null ? false : family.isCacheDataOnWrite());</span> |
| <span class="source-line-no">204</span><span id="line-204"> this.cacheIndexesOnWrite =</span> |
| <span class="source-line-no">205</span><span id="line-205"> conf.getBoolean(CACHE_INDEX_BLOCKS_ON_WRITE_KEY, DEFAULT_CACHE_INDEXES_ON_WRITE)</span> |
| <span class="source-line-no">206</span><span id="line-206"> || (family == null ? false : family.isCacheIndexesOnWrite());</span> |
| <span class="source-line-no">207</span><span id="line-207"> this.cacheBloomsOnWrite =</span> |
| <span class="source-line-no">208</span><span id="line-208"> conf.getBoolean(CACHE_BLOOM_BLOCKS_ON_WRITE_KEY, DEFAULT_CACHE_BLOOMS_ON_WRITE)</span> |
| <span class="source-line-no">209</span><span id="line-209"> || (family == null ? false : family.isCacheBloomsOnWrite());</span> |
| <span class="source-line-no">210</span><span id="line-210"> this.evictOnClose = conf.getBoolean(EVICT_BLOCKS_ON_CLOSE_KEY, DEFAULT_EVICT_ON_CLOSE)</span> |
| <span class="source-line-no">211</span><span id="line-211"> || (family == null ? false : family.isEvictBlocksOnClose());</span> |
| <span class="source-line-no">212</span><span id="line-212"> this.prefetchOnOpen = conf.getBoolean(PREFETCH_BLOCKS_ON_OPEN_KEY, DEFAULT_PREFETCH_ON_OPEN)</span> |
| <span class="source-line-no">213</span><span id="line-213"> || (family == null ? false : family.isPrefetchBlocksOnOpen());</span> |
| <span class="source-line-no">214</span><span id="line-214"> this.cacheCompactedDataOnWrite =</span> |
| <span class="source-line-no">215</span><span id="line-215"> conf.getBoolean(CACHE_COMPACTED_BLOCKS_ON_WRITE_KEY, DEFAULT_CACHE_COMPACTED_BLOCKS_ON_WRITE);</span> |
| <span class="source-line-no">216</span><span id="line-216"> this.cacheCompactedDataOnWriteThreshold = getCacheCompactedBlocksOnWriteThreshold(conf);</span> |
| <span class="source-line-no">217</span><span id="line-217"> this.heapUsageThreshold =</span> |
| <span class="source-line-no">218</span><span id="line-218"> conf.getDouble(PREFETCH_HEAP_USAGE_THRESHOLD, DEFAULT_PREFETCH_HEAP_USAGE_THRESHOLD);</span> |
| <span class="source-line-no">219</span><span id="line-219"> this.blockCache = blockCache;</span> |
| <span class="source-line-no">220</span><span id="line-220"> this.byteBuffAllocator = byteBuffAllocator;</span> |
| <span class="source-line-no">221</span><span id="line-221"> }</span> |
| <span class="source-line-no">222</span><span id="line-222"></span> |
| <span class="source-line-no">223</span><span id="line-223"> /**</span> |
| <span class="source-line-no">224</span><span id="line-224"> * Constructs a cache configuration copied from the specified configuration.</span> |
| <span class="source-line-no">225</span><span id="line-225"> */</span> |
| <span class="source-line-no">226</span><span id="line-226"> public CacheConfig(CacheConfig cacheConf) {</span> |
| <span class="source-line-no">227</span><span id="line-227"> this.cacheDataOnRead = cacheConf.cacheDataOnRead;</span> |
| <span class="source-line-no">228</span><span id="line-228"> this.inMemory = cacheConf.inMemory;</span> |
| <span class="source-line-no">229</span><span id="line-229"> this.cacheDataOnWrite = cacheConf.cacheDataOnWrite;</span> |
| <span class="source-line-no">230</span><span id="line-230"> this.cacheIndexesOnWrite = cacheConf.cacheIndexesOnWrite;</span> |
| <span class="source-line-no">231</span><span id="line-231"> this.cacheBloomsOnWrite = cacheConf.cacheBloomsOnWrite;</span> |
| <span class="source-line-no">232</span><span id="line-232"> this.evictOnClose = cacheConf.evictOnClose;</span> |
| <span class="source-line-no">233</span><span id="line-233"> this.cacheDataCompressed = cacheConf.cacheDataCompressed;</span> |
| <span class="source-line-no">234</span><span id="line-234"> this.prefetchOnOpen = cacheConf.prefetchOnOpen;</span> |
| <span class="source-line-no">235</span><span id="line-235"> this.cacheCompactedDataOnWrite = cacheConf.cacheCompactedDataOnWrite;</span> |
| <span class="source-line-no">236</span><span id="line-236"> this.cacheCompactedDataOnWriteThreshold = cacheConf.cacheCompactedDataOnWriteThreshold;</span> |
| <span class="source-line-no">237</span><span id="line-237"> this.dropBehindCompaction = cacheConf.dropBehindCompaction;</span> |
| <span class="source-line-no">238</span><span id="line-238"> this.blockCache = cacheConf.blockCache;</span> |
| <span class="source-line-no">239</span><span id="line-239"> this.byteBuffAllocator = cacheConf.byteBuffAllocator;</span> |
| <span class="source-line-no">240</span><span id="line-240"> this.heapUsageThreshold = cacheConf.heapUsageThreshold;</span> |
| <span class="source-line-no">241</span><span id="line-241"> }</span> |
| <span class="source-line-no">242</span><span id="line-242"></span> |
| <span class="source-line-no">243</span><span id="line-243"> private CacheConfig() {</span> |
| <span class="source-line-no">244</span><span id="line-244"> this.cacheDataOnRead = false;</span> |
| <span class="source-line-no">245</span><span id="line-245"> this.inMemory = false;</span> |
| <span class="source-line-no">246</span><span id="line-246"> this.cacheDataOnWrite = false;</span> |
| <span class="source-line-no">247</span><span id="line-247"> this.cacheIndexesOnWrite = false;</span> |
| <span class="source-line-no">248</span><span id="line-248"> this.cacheBloomsOnWrite = false;</span> |
| <span class="source-line-no">249</span><span id="line-249"> this.evictOnClose = false;</span> |
| <span class="source-line-no">250</span><span id="line-250"> this.cacheDataCompressed = false;</span> |
| <span class="source-line-no">251</span><span id="line-251"> this.prefetchOnOpen = false;</span> |
| <span class="source-line-no">252</span><span id="line-252"> this.cacheCompactedDataOnWrite = false;</span> |
| <span class="source-line-no">253</span><span id="line-253"> this.dropBehindCompaction = false;</span> |
| <span class="source-line-no">254</span><span id="line-254"> this.blockCache = null;</span> |
| <span class="source-line-no">255</span><span id="line-255"> this.byteBuffAllocator = ByteBuffAllocator.HEAP;</span> |
| <span class="source-line-no">256</span><span id="line-256"> this.heapUsageThreshold = DEFAULT_PREFETCH_HEAP_USAGE_THRESHOLD;</span> |
| <span class="source-line-no">257</span><span id="line-257"> }</span> |
| <span class="source-line-no">258</span><span id="line-258"></span> |
| <span class="source-line-no">259</span><span id="line-259"> /**</span> |
| <span class="source-line-no">260</span><span id="line-260"> * Returns whether the DATA blocks of this HFile should be cached on read or not (we always cache</span> |
| <span class="source-line-no">261</span><span id="line-261"> * the meta blocks, the INDEX and BLOOM blocks).</span> |
| <span class="source-line-no">262</span><span id="line-262"> * @return true if blocks should be cached on read, false if not</span> |
| <span class="source-line-no">263</span><span id="line-263"> */</span> |
| <span class="source-line-no">264</span><span id="line-264"> public boolean shouldCacheDataOnRead() {</span> |
| <span class="source-line-no">265</span><span id="line-265"> return cacheDataOnRead;</span> |
| <span class="source-line-no">266</span><span id="line-266"> }</span> |
| <span class="source-line-no">267</span><span id="line-267"></span> |
| <span class="source-line-no">268</span><span id="line-268"> public boolean shouldDropBehindCompaction() {</span> |
| <span class="source-line-no">269</span><span id="line-269"> return dropBehindCompaction;</span> |
| <span class="source-line-no">270</span><span id="line-270"> }</span> |
| <span class="source-line-no">271</span><span id="line-271"></span> |
| <span class="source-line-no">272</span><span id="line-272"> /**</span> |
| <span class="source-line-no">273</span><span id="line-273"> * Should we cache a block of a particular category? We always cache important blocks such as</span> |
| <span class="source-line-no">274</span><span id="line-274"> * index blocks, as long as the block cache is available.</span> |
| <span class="source-line-no">275</span><span id="line-275"> */</span> |
| <span class="source-line-no">276</span><span id="line-276"> public boolean shouldCacheBlockOnRead(BlockCategory category) {</span> |
| <span class="source-line-no">277</span><span id="line-277"> return cacheDataOnRead || category == BlockCategory.INDEX || category == BlockCategory.BLOOM</span> |
| <span class="source-line-no">278</span><span id="line-278"> || (prefetchOnOpen && (category != BlockCategory.META && category != BlockCategory.UNKNOWN));</span> |
| <span class="source-line-no">279</span><span id="line-279"> }</span> |
| <span class="source-line-no">280</span><span id="line-280"></span> |
| <span class="source-line-no">281</span><span id="line-281"> /** Returns true if blocks in this file should be flagged as in-memory */</span> |
| <span class="source-line-no">282</span><span id="line-282"> public boolean isInMemory() {</span> |
| <span class="source-line-no">283</span><span id="line-283"> return this.inMemory;</span> |
| <span class="source-line-no">284</span><span id="line-284"> }</span> |
| <span class="source-line-no">285</span><span id="line-285"></span> |
| <span class="source-line-no">286</span><span id="line-286"> /**</span> |
| <span class="source-line-no">287</span><span id="line-287"> * @return true if data blocks should be written to the cache when an HFile is written, false if</span> |
| <span class="source-line-no">288</span><span id="line-288"> * not</span> |
| <span class="source-line-no">289</span><span id="line-289"> */</span> |
| <span class="source-line-no">290</span><span id="line-290"> public boolean shouldCacheDataOnWrite() {</span> |
| <span class="source-line-no">291</span><span id="line-291"> return this.cacheDataOnWrite;</span> |
| <span class="source-line-no">292</span><span id="line-292"> }</span> |
| <span class="source-line-no">293</span><span id="line-293"></span> |
| <span class="source-line-no">294</span><span id="line-294"> /**</span> |
| <span class="source-line-no">295</span><span id="line-295"> * @param cacheDataOnWrite whether data blocks should be written to the cache when an HFile is</span> |
| <span class="source-line-no">296</span><span id="line-296"> * written</span> |
| <span class="source-line-no">297</span><span id="line-297"> */</span> |
| <span class="source-line-no">298</span><span id="line-298"> public void setCacheDataOnWrite(boolean cacheDataOnWrite) {</span> |
| <span class="source-line-no">299</span><span id="line-299"> this.cacheDataOnWrite = cacheDataOnWrite;</span> |
| <span class="source-line-no">300</span><span id="line-300"> }</span> |
| <span class="source-line-no">301</span><span id="line-301"></span> |
| <span class="source-line-no">302</span><span id="line-302"> /**</span> |
| <span class="source-line-no">303</span><span id="line-303"> * Enable cache on write including: cacheDataOnWrite cacheIndexesOnWrite cacheBloomsOnWrite</span> |
| <span class="source-line-no">304</span><span id="line-304"> */</span> |
| <span class="source-line-no">305</span><span id="line-305"> public void enableCacheOnWrite() {</span> |
| <span class="source-line-no">306</span><span id="line-306"> this.cacheDataOnWrite = true;</span> |
| <span class="source-line-no">307</span><span id="line-307"> this.cacheIndexesOnWrite = true;</span> |
| <span class="source-line-no">308</span><span id="line-308"> this.cacheBloomsOnWrite = true;</span> |
| <span class="source-line-no">309</span><span id="line-309"> }</span> |
| <span class="source-line-no">310</span><span id="line-310"></span> |
| <span class="source-line-no">311</span><span id="line-311"> /**</span> |
| <span class="source-line-no">312</span><span id="line-312"> * @return true if index blocks should be written to the cache when an HFile is written, false if</span> |
| <span class="source-line-no">313</span><span id="line-313"> * not</span> |
| <span class="source-line-no">314</span><span id="line-314"> */</span> |
| <span class="source-line-no">315</span><span id="line-315"> public boolean shouldCacheIndexesOnWrite() {</span> |
| <span class="source-line-no">316</span><span id="line-316"> return this.cacheIndexesOnWrite;</span> |
| <span class="source-line-no">317</span><span id="line-317"> }</span> |
| <span class="source-line-no">318</span><span id="line-318"></span> |
| <span class="source-line-no">319</span><span id="line-319"> /**</span> |
| <span class="source-line-no">320</span><span id="line-320"> * @return true if bloom blocks should be written to the cache when an HFile is written, false if</span> |
| <span class="source-line-no">321</span><span id="line-321"> * not</span> |
| <span class="source-line-no">322</span><span id="line-322"> */</span> |
| <span class="source-line-no">323</span><span id="line-323"> public boolean shouldCacheBloomsOnWrite() {</span> |
| <span class="source-line-no">324</span><span id="line-324"> return this.cacheBloomsOnWrite;</span> |
| <span class="source-line-no">325</span><span id="line-325"> }</span> |
| <span class="source-line-no">326</span><span id="line-326"></span> |
| <span class="source-line-no">327</span><span id="line-327"> /**</span> |
| <span class="source-line-no">328</span><span id="line-328"> * @return true if blocks should be evicted from the cache when an HFile reader is closed, false</span> |
| <span class="source-line-no">329</span><span id="line-329"> * if not</span> |
| <span class="source-line-no">330</span><span id="line-330"> */</span> |
| <span class="source-line-no">331</span><span id="line-331"> public boolean shouldEvictOnClose() {</span> |
| <span class="source-line-no">332</span><span id="line-332"> return this.evictOnClose;</span> |
| <span class="source-line-no">333</span><span id="line-333"> }</span> |
| <span class="source-line-no">334</span><span id="line-334"></span> |
| <span class="source-line-no">335</span><span id="line-335"> /**</span> |
| <span class="source-line-no">336</span><span id="line-336"> * Only used for testing.</span> |
| <span class="source-line-no">337</span><span id="line-337"> * @param evictOnClose whether blocks should be evicted from the cache when an HFile reader is</span> |
| <span class="source-line-no">338</span><span id="line-338"> * closed</span> |
| <span class="source-line-no">339</span><span id="line-339"> */</span> |
| <span class="source-line-no">340</span><span id="line-340"> public void setEvictOnClose(boolean evictOnClose) {</span> |
| <span class="source-line-no">341</span><span id="line-341"> this.evictOnClose = evictOnClose;</span> |
| <span class="source-line-no">342</span><span id="line-342"> }</span> |
| <span class="source-line-no">343</span><span id="line-343"></span> |
| <span class="source-line-no">344</span><span id="line-344"> /** Returns true if data blocks should be compressed in the cache, false if not */</span> |
| <span class="source-line-no">345</span><span id="line-345"> public boolean shouldCacheDataCompressed() {</span> |
| <span class="source-line-no">346</span><span id="line-346"> return this.cacheDataOnRead && this.cacheDataCompressed;</span> |
| <span class="source-line-no">347</span><span id="line-347"> }</span> |
| <span class="source-line-no">348</span><span id="line-348"></span> |
| <span class="source-line-no">349</span><span id="line-349"> /**</span> |
| <span class="source-line-no">350</span><span id="line-350"> * Returns true if this {@link BlockCategory} should be compressed in blockcache, false otherwise</span> |
| <span class="source-line-no">351</span><span id="line-351"> */</span> |
| <span class="source-line-no">352</span><span id="line-352"> public boolean shouldCacheCompressed(BlockCategory category) {</span> |
| <span class="source-line-no">353</span><span id="line-353"> switch (category) {</span> |
| <span class="source-line-no">354</span><span id="line-354"> case DATA:</span> |
| <span class="source-line-no">355</span><span id="line-355"> return this.cacheDataOnRead && this.cacheDataCompressed;</span> |
| <span class="source-line-no">356</span><span id="line-356"> default:</span> |
| <span class="source-line-no">357</span><span id="line-357"> return false;</span> |
| <span class="source-line-no">358</span><span id="line-358"> }</span> |
| <span class="source-line-no">359</span><span id="line-359"> }</span> |
| <span class="source-line-no">360</span><span id="line-360"></span> |
| <span class="source-line-no">361</span><span id="line-361"> /** Returns true if blocks should be prefetched into the cache on open, false if not */</span> |
| <span class="source-line-no">362</span><span id="line-362"> public boolean shouldPrefetchOnOpen() {</span> |
| <span class="source-line-no">363</span><span id="line-363"> return this.prefetchOnOpen && this.cacheDataOnRead;</span> |
| <span class="source-line-no">364</span><span id="line-364"> }</span> |
| <span class="source-line-no">365</span><span id="line-365"></span> |
| <span class="source-line-no">366</span><span id="line-366"> /** Returns true if blocks should be cached while writing during compaction, false if not */</span> |
| <span class="source-line-no">367</span><span id="line-367"> public boolean shouldCacheCompactedBlocksOnWrite() {</span> |
| <span class="source-line-no">368</span><span id="line-368"> return this.cacheCompactedDataOnWrite;</span> |
| <span class="source-line-no">369</span><span id="line-369"> }</span> |
| <span class="source-line-no">370</span><span id="line-370"></span> |
| <span class="source-line-no">371</span><span id="line-371"> /** Returns total file size in bytes threshold for caching while writing during compaction */</span> |
| <span class="source-line-no">372</span><span id="line-372"> public long getCacheCompactedBlocksOnWriteThreshold() {</span> |
| <span class="source-line-no">373</span><span id="line-373"> return this.cacheCompactedDataOnWriteThreshold;</span> |
| <span class="source-line-no">374</span><span id="line-374"> }</span> |
| <span class="source-line-no">375</span><span id="line-375"></span> |
| <span class="source-line-no">376</span><span id="line-376"> /**</span> |
| <span class="source-line-no">377</span><span id="line-377"> * Return true if we may find this type of block in block cache.</span> |
| <span class="source-line-no">378</span><span id="line-378"> * <p></span> |
| <span class="source-line-no">379</span><span id="line-379"> * TODO: today {@code family.isBlockCacheEnabled()} only means {@code cacheDataOnRead}, so here we</span> |
| <span class="source-line-no">380</span><span id="line-380"> * consider lots of other configurations such as {@code cacheDataOnWrite}. We should fix this in</span> |
| <span class="source-line-no">381</span><span id="line-381"> * the future, {@code cacheDataOnWrite} should honor the CF level {@code isBlockCacheEnabled}</span> |
| <span class="source-line-no">382</span><span id="line-382"> * configuration.</span> |
| <span class="source-line-no">383</span><span id="line-383"> */</span> |
| <span class="source-line-no">384</span><span id="line-384"> public boolean shouldReadBlockFromCache(BlockType blockType) {</span> |
| <span class="source-line-no">385</span><span id="line-385"> if (cacheDataOnRead) {</span> |
| <span class="source-line-no">386</span><span id="line-386"> return true;</span> |
| <span class="source-line-no">387</span><span id="line-387"> }</span> |
| <span class="source-line-no">388</span><span id="line-388"> if (prefetchOnOpen) {</span> |
| <span class="source-line-no">389</span><span id="line-389"> return true;</span> |
| <span class="source-line-no">390</span><span id="line-390"> }</span> |
| <span class="source-line-no">391</span><span id="line-391"> if (cacheDataOnWrite) {</span> |
| <span class="source-line-no">392</span><span id="line-392"> return true;</span> |
| <span class="source-line-no">393</span><span id="line-393"> }</span> |
| <span class="source-line-no">394</span><span id="line-394"> if (blockType == null) {</span> |
| <span class="source-line-no">395</span><span id="line-395"> return true;</span> |
| <span class="source-line-no">396</span><span id="line-396"> }</span> |
| <span class="source-line-no">397</span><span id="line-397"> if (</span> |
| <span class="source-line-no">398</span><span id="line-398"> blockType.getCategory() == BlockCategory.BLOOM</span> |
| <span class="source-line-no">399</span><span id="line-399"> || blockType.getCategory() == BlockCategory.INDEX</span> |
| <span class="source-line-no">400</span><span id="line-400"> ) {</span> |
| <span class="source-line-no">401</span><span id="line-401"> return true;</span> |
| <span class="source-line-no">402</span><span id="line-402"> }</span> |
| <span class="source-line-no">403</span><span id="line-403"> return false;</span> |
| <span class="source-line-no">404</span><span id="line-404"> }</span> |
| <span class="source-line-no">405</span><span id="line-405"></span> |
| <span class="source-line-no">406</span><span id="line-406"> /**</span> |
| <span class="source-line-no">407</span><span id="line-407"> * Checks if the current heap usage is below the threshold configured by</span> |
| <span class="source-line-no">408</span><span id="line-408"> * "hbase.rs.prefetchheapusage" (0.8 by default).</span> |
| <span class="source-line-no">409</span><span id="line-409"> */</span> |
| <span class="source-line-no">410</span><span id="line-410"> public boolean isHeapUsageBelowThreshold() {</span> |
| <span class="source-line-no">411</span><span id="line-411"> double total = Runtime.getRuntime().maxMemory();</span> |
| <span class="source-line-no">412</span><span id="line-412"> double available = Runtime.getRuntime().freeMemory();</span> |
| <span class="source-line-no">413</span><span id="line-413"> double usedRatio = 1d - (available / total);</span> |
| <span class="source-line-no">414</span><span id="line-414"> return heapUsageThreshold > usedRatio;</span> |
| <span class="source-line-no">415</span><span id="line-415"> }</span> |
| <span class="source-line-no">416</span><span id="line-416"></span> |
| <span class="source-line-no">417</span><span id="line-417"> /**</span> |
| <span class="source-line-no">418</span><span id="line-418"> * If we make sure the block could not be cached, we will not acquire the lock otherwise we will</span> |
| <span class="source-line-no">419</span><span id="line-419"> * acquire lock</span> |
| <span class="source-line-no">420</span><span id="line-420"> */</span> |
| <span class="source-line-no">421</span><span id="line-421"> public boolean shouldLockOnCacheMiss(BlockType blockType) {</span> |
| <span class="source-line-no">422</span><span id="line-422"> if (blockType == null) {</span> |
| <span class="source-line-no">423</span><span id="line-423"> return true;</span> |
| <span class="source-line-no">424</span><span id="line-424"> }</span> |
| <span class="source-line-no">425</span><span id="line-425"> return shouldCacheBlockOnRead(blockType.getCategory());</span> |
| <span class="source-line-no">426</span><span id="line-426"> }</span> |
| <span class="source-line-no">427</span><span id="line-427"></span> |
| <span class="source-line-no">428</span><span id="line-428"> /**</span> |
| <span class="source-line-no">429</span><span id="line-429"> * Returns the block cache.</span> |
| <span class="source-line-no">430</span><span id="line-430"> * @return the block cache, or null if caching is completely disabled</span> |
| <span class="source-line-no">431</span><span id="line-431"> */</span> |
| <span class="source-line-no">432</span><span id="line-432"> public Optional<BlockCache> getBlockCache() {</span> |
| <span class="source-line-no">433</span><span id="line-433"> return Optional.ofNullable(this.blockCache);</span> |
| <span class="source-line-no">434</span><span id="line-434"> }</span> |
| <span class="source-line-no">435</span><span id="line-435"></span> |
| <span class="source-line-no">436</span><span id="line-436"> public boolean isCombinedBlockCache() {</span> |
| <span class="source-line-no">437</span><span id="line-437"> return blockCache instanceof CombinedBlockCache;</span> |
| <span class="source-line-no">438</span><span id="line-438"> }</span> |
| <span class="source-line-no">439</span><span id="line-439"></span> |
| <span class="source-line-no">440</span><span id="line-440"> public ByteBuffAllocator getByteBuffAllocator() {</span> |
| <span class="source-line-no">441</span><span id="line-441"> return this.byteBuffAllocator;</span> |
| <span class="source-line-no">442</span><span id="line-442"> }</span> |
| <span class="source-line-no">443</span><span id="line-443"></span> |
| <span class="source-line-no">444</span><span id="line-444"> public double getHeapUsageThreshold() {</span> |
| <span class="source-line-no">445</span><span id="line-445"> return heapUsageThreshold;</span> |
| <span class="source-line-no">446</span><span id="line-446"> }</span> |
| <span class="source-line-no">447</span><span id="line-447"></span> |
| <span class="source-line-no">448</span><span id="line-448"> private long getCacheCompactedBlocksOnWriteThreshold(Configuration conf) {</span> |
| <span class="source-line-no">449</span><span id="line-449"> long cacheCompactedBlocksOnWriteThreshold =</span> |
| <span class="source-line-no">450</span><span id="line-450"> conf.getLong(CACHE_COMPACTED_BLOCKS_ON_WRITE_THRESHOLD_KEY,</span> |
| <span class="source-line-no">451</span><span id="line-451"> DEFAULT_CACHE_COMPACTED_BLOCKS_ON_WRITE_THRESHOLD);</span> |
| <span class="source-line-no">452</span><span id="line-452"></span> |
| <span class="source-line-no">453</span><span id="line-453"> if (cacheCompactedBlocksOnWriteThreshold < 0) {</span> |
| <span class="source-line-no">454</span><span id="line-454"> LOG.warn(</span> |
| <span class="source-line-no">455</span><span id="line-455"> "cacheCompactedBlocksOnWriteThreshold value : {} is less than 0, resetting it to: {}",</span> |
| <span class="source-line-no">456</span><span id="line-456"> cacheCompactedBlocksOnWriteThreshold, DEFAULT_CACHE_COMPACTED_BLOCKS_ON_WRITE_THRESHOLD);</span> |
| <span class="source-line-no">457</span><span id="line-457"> cacheCompactedBlocksOnWriteThreshold = DEFAULT_CACHE_COMPACTED_BLOCKS_ON_WRITE_THRESHOLD;</span> |
| <span class="source-line-no">458</span><span id="line-458"> }</span> |
| <span class="source-line-no">459</span><span id="line-459"></span> |
| <span class="source-line-no">460</span><span id="line-460"> return cacheCompactedBlocksOnWriteThreshold;</span> |
| <span class="source-line-no">461</span><span id="line-461"> }</span> |
| <span class="source-line-no">462</span><span id="line-462"></span> |
| <span class="source-line-no">463</span><span id="line-463"> @Override</span> |
| <span class="source-line-no">464</span><span id="line-464"> public String toString() {</span> |
| <span class="source-line-no">465</span><span id="line-465"> return "cacheDataOnRead=" + shouldCacheDataOnRead() + ", cacheDataOnWrite="</span> |
| <span class="source-line-no">466</span><span id="line-466"> + shouldCacheDataOnWrite() + ", cacheIndexesOnWrite=" + shouldCacheIndexesOnWrite()</span> |
| <span class="source-line-no">467</span><span id="line-467"> + ", cacheBloomsOnWrite=" + shouldCacheBloomsOnWrite() + ", cacheEvictOnClose="</span> |
| <span class="source-line-no">468</span><span id="line-468"> + shouldEvictOnClose() + ", cacheDataCompressed=" + shouldCacheDataCompressed()</span> |
| <span class="source-line-no">469</span><span id="line-469"> + ", prefetchOnOpen=" + shouldPrefetchOnOpen();</span> |
| <span class="source-line-no">470</span><span id="line-470"> }</span> |
| <span class="source-line-no">471</span><span id="line-471"></span> |
| <span class="source-line-no">472</span><span id="line-472"> @Override</span> |
| <span class="source-line-no">473</span><span id="line-473"> public void onConfigurationChange(Configuration conf) {</span> |
| <span class="source-line-no">474</span><span id="line-474"> cacheDataOnRead = conf.getBoolean(CACHE_DATA_ON_READ_KEY, DEFAULT_CACHE_DATA_ON_READ);</span> |
| <span class="source-line-no">475</span><span id="line-475"> cacheDataOnWrite = conf.getBoolean(CACHE_BLOCKS_ON_WRITE_KEY, DEFAULT_CACHE_DATA_ON_WRITE);</span> |
| <span class="source-line-no">476</span><span id="line-476"> evictOnClose = conf.getBoolean(EVICT_BLOCKS_ON_CLOSE_KEY, DEFAULT_EVICT_ON_CLOSE);</span> |
| <span class="source-line-no">477</span><span id="line-477"> LOG.info(</span> |
| <span class="source-line-no">478</span><span id="line-478"> "Config hbase.block.data.cacheonread is changed to {}, "</span> |
| <span class="source-line-no">479</span><span id="line-479"> + "hbase.rs.cacheblocksonwrite is changed to {}, "</span> |
| <span class="source-line-no">480</span><span id="line-480"> + "hbase.rs.evictblocksonclose is changed to {}",</span> |
| <span class="source-line-no">481</span><span id="line-481"> cacheDataOnRead, cacheDataOnWrite, evictOnClose);</span> |
| <span class="source-line-no">482</span><span id="line-482"> }</span> |
| <span class="source-line-no">483</span><span id="line-483">}</span> |
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| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
