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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.client;</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 org.apache.hadoop.conf.Configuration;</span>
<span class="source-line-no">021</span><span id="line-21">import org.apache.hadoop.hbase.HConstants;</span>
<span class="source-line-no">022</span><span id="line-22">import org.apache.yetus.audience.InterfaceAudience;</span>
<span class="source-line-no">023</span><span id="line-23"></span>
<span class="source-line-no">024</span><span id="line-24">/**</span>
<span class="source-line-no">025</span><span id="line-25"> * Configuration parameters for the connection. Configuration is a heavy weight registry that does a</span>
<span class="source-line-no">026</span><span id="line-26"> * lot of string operations and regex matching. Method calls into Configuration account for high CPU</span>
<span class="source-line-no">027</span><span id="line-27"> * usage and have huge performance impact. This class caches connection-related configuration values</span>
<span class="source-line-no">028</span><span id="line-28"> * in the ConnectionConfiguration object so that expensive conf.getXXX() calls are avoided every</span>
<span class="source-line-no">029</span><span id="line-29"> * time HTable, etc is instantiated. see HBASE-12128</span>
<span class="source-line-no">030</span><span id="line-30"> */</span>
<span class="source-line-no">031</span><span id="line-31">@InterfaceAudience.Private</span>
<span class="source-line-no">032</span><span id="line-32">public class ConnectionConfiguration {</span>
<span class="source-line-no">033</span><span id="line-33"></span>
<span class="source-line-no">034</span><span id="line-34"> public static final String WRITE_BUFFER_SIZE_KEY = "hbase.client.write.buffer";</span>
<span class="source-line-no">035</span><span id="line-35"> public static final long WRITE_BUFFER_SIZE_DEFAULT = 2097152;</span>
<span class="source-line-no">036</span><span id="line-36"> public static final String WRITE_BUFFER_PERIODIC_FLUSH_TIMEOUT_MS =</span>
<span class="source-line-no">037</span><span id="line-37"> "hbase.client.write.buffer.periodicflush.timeout.ms";</span>
<span class="source-line-no">038</span><span id="line-38"> public static final String WRITE_BUFFER_PERIODIC_FLUSH_TIMERTICK_MS =</span>
<span class="source-line-no">039</span><span id="line-39"> "hbase.client.write.buffer.periodicflush.timertick.ms";</span>
<span class="source-line-no">040</span><span id="line-40"> public static final long WRITE_BUFFER_PERIODIC_FLUSH_TIMEOUT_MS_DEFAULT = 0; // 0 == Disabled</span>
<span class="source-line-no">041</span><span id="line-41"> public static final long WRITE_BUFFER_PERIODIC_FLUSH_TIMERTICK_MS_DEFAULT = 1000L; // 1 second</span>
<span class="source-line-no">042</span><span id="line-42"> public static final String MAX_KEYVALUE_SIZE_KEY = "hbase.client.keyvalue.maxsize";</span>
<span class="source-line-no">043</span><span id="line-43"> public static final int MAX_KEYVALUE_SIZE_DEFAULT = 10485760;</span>
<span class="source-line-no">044</span><span id="line-44"> public static final String PRIMARY_CALL_TIMEOUT_MICROSECOND =</span>
<span class="source-line-no">045</span><span id="line-45"> "hbase.client.primaryCallTimeout.get";</span>
<span class="source-line-no">046</span><span id="line-46"> public static final int PRIMARY_CALL_TIMEOUT_MICROSECOND_DEFAULT = 10000; // 10ms</span>
<span class="source-line-no">047</span><span id="line-47"> public static final String PRIMARY_SCAN_TIMEOUT_MICROSECOND =</span>
<span class="source-line-no">048</span><span id="line-48"> "hbase.client.replicaCallTimeout.scan";</span>
<span class="source-line-no">049</span><span id="line-49"> public static final int PRIMARY_SCAN_TIMEOUT_MICROSECOND_DEFAULT = 1000000; // 1s</span>
<span class="source-line-no">050</span><span id="line-50"> public static final String LOG_SCANNER_ACTIVITY = "hbase.client.log.scanner.activity";</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 HBASE_CLIENT_META_READ_RPC_TIMEOUT_KEY =</span>
<span class="source-line-no">053</span><span id="line-53"> "hbase.client.meta.read.rpc.timeout";</span>
<span class="source-line-no">054</span><span id="line-54"> public static final String HBASE_CLIENT_META_SCANNER_TIMEOUT =</span>
<span class="source-line-no">055</span><span id="line-55"> "hbase.client.meta.scanner.timeout.period";</span>
<span class="source-line-no">056</span><span id="line-56"></span>
<span class="source-line-no">057</span><span id="line-57"> private final long writeBufferSize;</span>
<span class="source-line-no">058</span><span id="line-58"> private final long writeBufferPeriodicFlushTimeoutMs;</span>
<span class="source-line-no">059</span><span id="line-59"> private final long writeBufferPeriodicFlushTimerTickMs;</span>
<span class="source-line-no">060</span><span id="line-60"> private final int metaOperationTimeout;</span>
<span class="source-line-no">061</span><span id="line-61"> private final int operationTimeout;</span>
<span class="source-line-no">062</span><span id="line-62"> private final int scannerCaching;</span>
<span class="source-line-no">063</span><span id="line-63"> private final long scannerMaxResultSize;</span>
<span class="source-line-no">064</span><span id="line-64"> private final int primaryCallTimeoutMicroSecond;</span>
<span class="source-line-no">065</span><span id="line-65"> private final int replicaCallTimeoutMicroSecondScan;</span>
<span class="source-line-no">066</span><span id="line-66"> private final int metaReplicaCallTimeoutMicroSecondScan;</span>
<span class="source-line-no">067</span><span id="line-67"> private final int retries;</span>
<span class="source-line-no">068</span><span id="line-68"> private final int maxKeyValueSize;</span>
<span class="source-line-no">069</span><span id="line-69"> private final int rpcTimeout;</span>
<span class="source-line-no">070</span><span id="line-70"> private final int readRpcTimeout;</span>
<span class="source-line-no">071</span><span id="line-71"> private final int metaReadRpcTimeout;</span>
<span class="source-line-no">072</span><span id="line-72"> private final int writeRpcTimeout;</span>
<span class="source-line-no">073</span><span id="line-73"> // toggle for async/sync prefetch</span>
<span class="source-line-no">074</span><span id="line-74"> private final boolean clientScannerAsyncPrefetch;</span>
<span class="source-line-no">075</span><span id="line-75"></span>
<span class="source-line-no">076</span><span id="line-76"> /**</span>
<span class="source-line-no">077</span><span id="line-77"> * Constructor</span>
<span class="source-line-no">078</span><span id="line-78"> * @param conf Configuration object</span>
<span class="source-line-no">079</span><span id="line-79"> */</span>
<span class="source-line-no">080</span><span id="line-80"> ConnectionConfiguration(Configuration conf) {</span>
<span class="source-line-no">081</span><span id="line-81"> this.writeBufferSize = conf.getLong(WRITE_BUFFER_SIZE_KEY, WRITE_BUFFER_SIZE_DEFAULT);</span>
<span class="source-line-no">082</span><span id="line-82"></span>
<span class="source-line-no">083</span><span id="line-83"> this.writeBufferPeriodicFlushTimeoutMs = conf.getLong(WRITE_BUFFER_PERIODIC_FLUSH_TIMEOUT_MS,</span>
<span class="source-line-no">084</span><span id="line-84"> WRITE_BUFFER_PERIODIC_FLUSH_TIMEOUT_MS_DEFAULT);</span>
<span class="source-line-no">085</span><span id="line-85"></span>
<span class="source-line-no">086</span><span id="line-86"> this.writeBufferPeriodicFlushTimerTickMs = conf.getLong(</span>
<span class="source-line-no">087</span><span id="line-87"> WRITE_BUFFER_PERIODIC_FLUSH_TIMERTICK_MS, WRITE_BUFFER_PERIODIC_FLUSH_TIMERTICK_MS_DEFAULT);</span>
<span class="source-line-no">088</span><span id="line-88"></span>
<span class="source-line-no">089</span><span id="line-89"> this.metaOperationTimeout = conf.getInt(HConstants.HBASE_CLIENT_META_OPERATION_TIMEOUT,</span>
<span class="source-line-no">090</span><span id="line-90"> HConstants.DEFAULT_HBASE_CLIENT_OPERATION_TIMEOUT);</span>
<span class="source-line-no">091</span><span id="line-91"></span>
<span class="source-line-no">092</span><span id="line-92"> this.operationTimeout = conf.getInt(HConstants.HBASE_CLIENT_OPERATION_TIMEOUT,</span>
<span class="source-line-no">093</span><span id="line-93"> HConstants.DEFAULT_HBASE_CLIENT_OPERATION_TIMEOUT);</span>
<span class="source-line-no">094</span><span id="line-94"></span>
<span class="source-line-no">095</span><span id="line-95"> this.scannerCaching = conf.getInt(HConstants.HBASE_CLIENT_SCANNER_CACHING,</span>
<span class="source-line-no">096</span><span id="line-96"> HConstants.DEFAULT_HBASE_CLIENT_SCANNER_CACHING);</span>
<span class="source-line-no">097</span><span id="line-97"></span>
<span class="source-line-no">098</span><span id="line-98"> this.scannerMaxResultSize = conf.getLong(HConstants.HBASE_CLIENT_SCANNER_MAX_RESULT_SIZE_KEY,</span>
<span class="source-line-no">099</span><span id="line-99"> HConstants.DEFAULT_HBASE_CLIENT_SCANNER_MAX_RESULT_SIZE);</span>
<span class="source-line-no">100</span><span id="line-100"></span>
<span class="source-line-no">101</span><span id="line-101"> this.primaryCallTimeoutMicroSecond =</span>
<span class="source-line-no">102</span><span id="line-102"> conf.getInt(PRIMARY_CALL_TIMEOUT_MICROSECOND, PRIMARY_CALL_TIMEOUT_MICROSECOND_DEFAULT);</span>
<span class="source-line-no">103</span><span id="line-103"></span>
<span class="source-line-no">104</span><span id="line-104"> this.replicaCallTimeoutMicroSecondScan =</span>
<span class="source-line-no">105</span><span id="line-105"> conf.getInt(PRIMARY_SCAN_TIMEOUT_MICROSECOND, PRIMARY_SCAN_TIMEOUT_MICROSECOND_DEFAULT);</span>
<span class="source-line-no">106</span><span id="line-106"></span>
<span class="source-line-no">107</span><span id="line-107"> this.metaReplicaCallTimeoutMicroSecondScan =</span>
<span class="source-line-no">108</span><span id="line-108"> conf.getInt(HConstants.HBASE_CLIENT_META_REPLICA_SCAN_TIMEOUT,</span>
<span class="source-line-no">109</span><span id="line-109"> HConstants.HBASE_CLIENT_META_REPLICA_SCAN_TIMEOUT_DEFAULT);</span>
<span class="source-line-no">110</span><span id="line-110"></span>
<span class="source-line-no">111</span><span id="line-111"> this.retries = conf.getInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER,</span>
<span class="source-line-no">112</span><span id="line-112"> HConstants.DEFAULT_HBASE_CLIENT_RETRIES_NUMBER);</span>
<span class="source-line-no">113</span><span id="line-113"></span>
<span class="source-line-no">114</span><span id="line-114"> this.clientScannerAsyncPrefetch = conf.getBoolean(Scan.HBASE_CLIENT_SCANNER_ASYNC_PREFETCH,</span>
<span class="source-line-no">115</span><span id="line-115"> Scan.DEFAULT_HBASE_CLIENT_SCANNER_ASYNC_PREFETCH);</span>
<span class="source-line-no">116</span><span id="line-116"></span>
<span class="source-line-no">117</span><span id="line-117"> this.maxKeyValueSize = conf.getInt(MAX_KEYVALUE_SIZE_KEY, MAX_KEYVALUE_SIZE_DEFAULT);</span>
<span class="source-line-no">118</span><span id="line-118"></span>
<span class="source-line-no">119</span><span id="line-119"> this.rpcTimeout =</span>
<span class="source-line-no">120</span><span id="line-120"> conf.getInt(HConstants.HBASE_RPC_TIMEOUT_KEY, HConstants.DEFAULT_HBASE_RPC_TIMEOUT);</span>
<span class="source-line-no">121</span><span id="line-121"></span>
<span class="source-line-no">122</span><span id="line-122"> this.readRpcTimeout = conf.getInt(HConstants.HBASE_RPC_READ_TIMEOUT_KEY,</span>
<span class="source-line-no">123</span><span id="line-123"> conf.getInt(HConstants.HBASE_RPC_TIMEOUT_KEY, HConstants.DEFAULT_HBASE_RPC_TIMEOUT));</span>
<span class="source-line-no">124</span><span id="line-124"></span>
<span class="source-line-no">125</span><span id="line-125"> this.metaReadRpcTimeout = conf.getInt(HBASE_CLIENT_META_READ_RPC_TIMEOUT_KEY, readRpcTimeout);</span>
<span class="source-line-no">126</span><span id="line-126"></span>
<span class="source-line-no">127</span><span id="line-127"> this.writeRpcTimeout = conf.getInt(HConstants.HBASE_RPC_WRITE_TIMEOUT_KEY,</span>
<span class="source-line-no">128</span><span id="line-128"> conf.getInt(HConstants.HBASE_RPC_TIMEOUT_KEY, HConstants.DEFAULT_HBASE_RPC_TIMEOUT));</span>
<span class="source-line-no">129</span><span id="line-129"> }</span>
<span class="source-line-no">130</span><span id="line-130"></span>
<span class="source-line-no">131</span><span id="line-131"> /**</span>
<span class="source-line-no">132</span><span id="line-132"> * Constructor This is for internal testing purpose (using the default value). In real usage, we</span>
<span class="source-line-no">133</span><span id="line-133"> * should read the configuration from the Configuration object.</span>
<span class="source-line-no">134</span><span id="line-134"> */</span>
<span class="source-line-no">135</span><span id="line-135"> protected ConnectionConfiguration() {</span>
<span class="source-line-no">136</span><span id="line-136"> this.writeBufferSize = WRITE_BUFFER_SIZE_DEFAULT;</span>
<span class="source-line-no">137</span><span id="line-137"> this.writeBufferPeriodicFlushTimeoutMs = WRITE_BUFFER_PERIODIC_FLUSH_TIMEOUT_MS_DEFAULT;</span>
<span class="source-line-no">138</span><span id="line-138"> this.writeBufferPeriodicFlushTimerTickMs = WRITE_BUFFER_PERIODIC_FLUSH_TIMERTICK_MS_DEFAULT;</span>
<span class="source-line-no">139</span><span id="line-139"> this.metaOperationTimeout = HConstants.DEFAULT_HBASE_CLIENT_OPERATION_TIMEOUT;</span>
<span class="source-line-no">140</span><span id="line-140"> this.operationTimeout = HConstants.DEFAULT_HBASE_CLIENT_OPERATION_TIMEOUT;</span>
<span class="source-line-no">141</span><span id="line-141"> this.scannerCaching = HConstants.DEFAULT_HBASE_CLIENT_SCANNER_CACHING;</span>
<span class="source-line-no">142</span><span id="line-142"> this.scannerMaxResultSize = HConstants.DEFAULT_HBASE_CLIENT_SCANNER_MAX_RESULT_SIZE;</span>
<span class="source-line-no">143</span><span id="line-143"> this.primaryCallTimeoutMicroSecond = 10000;</span>
<span class="source-line-no">144</span><span id="line-144"> this.replicaCallTimeoutMicroSecondScan = 1000000;</span>
<span class="source-line-no">145</span><span id="line-145"> this.metaReplicaCallTimeoutMicroSecondScan =</span>
<span class="source-line-no">146</span><span id="line-146"> HConstants.HBASE_CLIENT_META_REPLICA_SCAN_TIMEOUT_DEFAULT;</span>
<span class="source-line-no">147</span><span id="line-147"> this.retries = HConstants.DEFAULT_HBASE_CLIENT_RETRIES_NUMBER;</span>
<span class="source-line-no">148</span><span id="line-148"> this.clientScannerAsyncPrefetch = Scan.DEFAULT_HBASE_CLIENT_SCANNER_ASYNC_PREFETCH;</span>
<span class="source-line-no">149</span><span id="line-149"> this.maxKeyValueSize = MAX_KEYVALUE_SIZE_DEFAULT;</span>
<span class="source-line-no">150</span><span id="line-150"> this.readRpcTimeout = HConstants.DEFAULT_HBASE_RPC_TIMEOUT;</span>
<span class="source-line-no">151</span><span id="line-151"> this.metaReadRpcTimeout = HConstants.DEFAULT_HBASE_RPC_TIMEOUT;</span>
<span class="source-line-no">152</span><span id="line-152"> this.writeRpcTimeout = HConstants.DEFAULT_HBASE_RPC_TIMEOUT;</span>
<span class="source-line-no">153</span><span id="line-153"> this.rpcTimeout = HConstants.DEFAULT_HBASE_RPC_TIMEOUT;</span>
<span class="source-line-no">154</span><span id="line-154"> }</span>
<span class="source-line-no">155</span><span id="line-155"></span>
<span class="source-line-no">156</span><span id="line-156"> public int getReadRpcTimeout() {</span>
<span class="source-line-no">157</span><span id="line-157"> return readRpcTimeout;</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"> public int getMetaReadRpcTimeout() {</span>
<span class="source-line-no">161</span><span id="line-161"> return metaReadRpcTimeout;</span>
<span class="source-line-no">162</span><span id="line-162"> }</span>
<span class="source-line-no">163</span><span id="line-163"></span>
<span class="source-line-no">164</span><span id="line-164"> public int getWriteRpcTimeout() {</span>
<span class="source-line-no">165</span><span id="line-165"> return writeRpcTimeout;</span>
<span class="source-line-no">166</span><span id="line-166"> }</span>
<span class="source-line-no">167</span><span id="line-167"></span>
<span class="source-line-no">168</span><span id="line-168"> public long getWriteBufferSize() {</span>
<span class="source-line-no">169</span><span id="line-169"> return writeBufferSize;</span>
<span class="source-line-no">170</span><span id="line-170"> }</span>
<span class="source-line-no">171</span><span id="line-171"></span>
<span class="source-line-no">172</span><span id="line-172"> public long getWriteBufferPeriodicFlushTimeoutMs() {</span>
<span class="source-line-no">173</span><span id="line-173"> return writeBufferPeriodicFlushTimeoutMs;</span>
<span class="source-line-no">174</span><span id="line-174"> }</span>
<span class="source-line-no">175</span><span id="line-175"></span>
<span class="source-line-no">176</span><span id="line-176"> public long getWriteBufferPeriodicFlushTimerTickMs() {</span>
<span class="source-line-no">177</span><span id="line-177"> return writeBufferPeriodicFlushTimerTickMs;</span>
<span class="source-line-no">178</span><span id="line-178"> }</span>
<span class="source-line-no">179</span><span id="line-179"></span>
<span class="source-line-no">180</span><span id="line-180"> public int getMetaOperationTimeout() {</span>
<span class="source-line-no">181</span><span id="line-181"> return metaOperationTimeout;</span>
<span class="source-line-no">182</span><span id="line-182"> }</span>
<span class="source-line-no">183</span><span id="line-183"></span>
<span class="source-line-no">184</span><span id="line-184"> public int getOperationTimeout() {</span>
<span class="source-line-no">185</span><span id="line-185"> return operationTimeout;</span>
<span class="source-line-no">186</span><span id="line-186"> }</span>
<span class="source-line-no">187</span><span id="line-187"></span>
<span class="source-line-no">188</span><span id="line-188"> public int getScannerCaching() {</span>
<span class="source-line-no">189</span><span id="line-189"> return scannerCaching;</span>
<span class="source-line-no">190</span><span id="line-190"> }</span>
<span class="source-line-no">191</span><span id="line-191"></span>
<span class="source-line-no">192</span><span id="line-192"> public int getPrimaryCallTimeoutMicroSecond() {</span>
<span class="source-line-no">193</span><span id="line-193"> return primaryCallTimeoutMicroSecond;</span>
<span class="source-line-no">194</span><span id="line-194"> }</span>
<span class="source-line-no">195</span><span id="line-195"></span>
<span class="source-line-no">196</span><span id="line-196"> public int getReplicaCallTimeoutMicroSecondScan() {</span>
<span class="source-line-no">197</span><span id="line-197"> return replicaCallTimeoutMicroSecondScan;</span>
<span class="source-line-no">198</span><span id="line-198"> }</span>
<span class="source-line-no">199</span><span id="line-199"></span>
<span class="source-line-no">200</span><span id="line-200"> public int getMetaReplicaCallTimeoutMicroSecondScan() {</span>
<span class="source-line-no">201</span><span id="line-201"> return metaReplicaCallTimeoutMicroSecondScan;</span>
<span class="source-line-no">202</span><span id="line-202"> }</span>
<span class="source-line-no">203</span><span id="line-203"></span>
<span class="source-line-no">204</span><span id="line-204"> public int getRetriesNumber() {</span>
<span class="source-line-no">205</span><span id="line-205"> return retries;</span>
<span class="source-line-no">206</span><span id="line-206"> }</span>
<span class="source-line-no">207</span><span id="line-207"></span>
<span class="source-line-no">208</span><span id="line-208"> public int getMaxKeyValueSize() {</span>
<span class="source-line-no">209</span><span id="line-209"> return maxKeyValueSize;</span>
<span class="source-line-no">210</span><span id="line-210"> }</span>
<span class="source-line-no">211</span><span id="line-211"></span>
<span class="source-line-no">212</span><span id="line-212"> public long getScannerMaxResultSize() {</span>
<span class="source-line-no">213</span><span id="line-213"> return scannerMaxResultSize;</span>
<span class="source-line-no">214</span><span id="line-214"> }</span>
<span class="source-line-no">215</span><span id="line-215"></span>
<span class="source-line-no">216</span><span id="line-216"> public boolean isClientScannerAsyncPrefetch() {</span>
<span class="source-line-no">217</span><span id="line-217"> return clientScannerAsyncPrefetch;</span>
<span class="source-line-no">218</span><span id="line-218"> }</span>
<span class="source-line-no">219</span><span id="line-219"></span>
<span class="source-line-no">220</span><span id="line-220"> public int getRpcTimeout() {</span>
<span class="source-line-no">221</span><span id="line-221"> return rpcTimeout;</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>
</pre>
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