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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 static org.apache.hadoop.hbase.TableName.META_TABLE_NAME;</span> |
| <span class="source-line-no">021</span><span id="line-21">import static org.apache.hadoop.hbase.trace.HBaseSemanticAttributes.REGION_NAMES_KEY;</span> |
| <span class="source-line-no">022</span><span id="line-22">import static org.apache.hadoop.hbase.trace.HBaseSemanticAttributes.SERVER_NAME_KEY;</span> |
| <span class="source-line-no">023</span><span id="line-23">import static org.apache.hadoop.hbase.util.FutureUtils.addListener;</span> |
| <span class="source-line-no">024</span><span id="line-24"></span> |
| <span class="source-line-no">025</span><span id="line-25">import io.opentelemetry.api.trace.Span;</span> |
| <span class="source-line-no">026</span><span id="line-26">import io.opentelemetry.api.trace.StatusCode;</span> |
| <span class="source-line-no">027</span><span id="line-27">import io.opentelemetry.context.Scope;</span> |
| <span class="source-line-no">028</span><span id="line-28">import java.util.Arrays;</span> |
| <span class="source-line-no">029</span><span id="line-29">import java.util.Collections;</span> |
| <span class="source-line-no">030</span><span id="line-30">import java.util.List;</span> |
| <span class="source-line-no">031</span><span id="line-31">import java.util.Objects;</span> |
| <span class="source-line-no">032</span><span id="line-32">import java.util.Optional;</span> |
| <span class="source-line-no">033</span><span id="line-33">import java.util.concurrent.CompletableFuture;</span> |
| <span class="source-line-no">034</span><span id="line-34">import java.util.concurrent.TimeUnit;</span> |
| <span class="source-line-no">035</span><span id="line-35">import java.util.function.Function;</span> |
| <span class="source-line-no">036</span><span id="line-36">import java.util.function.Supplier;</span> |
| <span class="source-line-no">037</span><span id="line-37">import java.util.stream.Collectors;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.HRegionLocation;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.RegionLocations;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.ServerName;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.hbase.client.trace.ConnectionSpanBuilder;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.hbase.client.trace.TableSpanBuilder;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.hbase.exceptions.TimeoutIOException;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.hadoop.hbase.trace.TraceUtil;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.apache.hadoop.hbase.util.FutureUtils;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.slf4j.Logger;</span> |
| <span class="source-line-no">050</span><span id="line-50">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">051</span><span id="line-51"></span> |
| <span class="source-line-no">052</span><span id="line-52">import org.apache.hbase.thirdparty.io.netty.util.HashedWheelTimer;</span> |
| <span class="source-line-no">053</span><span id="line-53">import org.apache.hbase.thirdparty.io.netty.util.Timeout;</span> |
| <span class="source-line-no">054</span><span id="line-54"></span> |
| <span class="source-line-no">055</span><span id="line-55">/**</span> |
| <span class="source-line-no">056</span><span id="line-56"> * The asynchronous region locator.</span> |
| <span class="source-line-no">057</span><span id="line-57"> */</span> |
| <span class="source-line-no">058</span><span id="line-58">@InterfaceAudience.Private</span> |
| <span class="source-line-no">059</span><span id="line-59">class AsyncRegionLocator {</span> |
| <span class="source-line-no">060</span><span id="line-60"></span> |
| <span class="source-line-no">061</span><span id="line-61"> private static final Logger LOG = LoggerFactory.getLogger(AsyncRegionLocator.class);</span> |
| <span class="source-line-no">062</span><span id="line-62"></span> |
| <span class="source-line-no">063</span><span id="line-63"> private final HashedWheelTimer retryTimer;</span> |
| <span class="source-line-no">064</span><span id="line-64"></span> |
| <span class="source-line-no">065</span><span id="line-65"> private final AsyncConnectionImpl conn;</span> |
| <span class="source-line-no">066</span><span id="line-66"></span> |
| <span class="source-line-no">067</span><span id="line-67"> private final AsyncMetaRegionLocator metaRegionLocator;</span> |
| <span class="source-line-no">068</span><span id="line-68"></span> |
| <span class="source-line-no">069</span><span id="line-69"> private final AsyncNonMetaRegionLocator nonMetaRegionLocator;</span> |
| <span class="source-line-no">070</span><span id="line-70"></span> |
| <span class="source-line-no">071</span><span id="line-71"> AsyncRegionLocator(AsyncConnectionImpl conn, HashedWheelTimer retryTimer) {</span> |
| <span class="source-line-no">072</span><span id="line-72"> this.conn = conn;</span> |
| <span class="source-line-no">073</span><span id="line-73"> this.metaRegionLocator = new AsyncMetaRegionLocator(conn.registry);</span> |
| <span class="source-line-no">074</span><span id="line-74"> this.nonMetaRegionLocator = new AsyncNonMetaRegionLocator(conn);</span> |
| <span class="source-line-no">075</span><span id="line-75"> this.retryTimer = retryTimer;</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"> private <T> CompletableFuture<T> withTimeout(CompletableFuture<T> future, long timeoutNs,</span> |
| <span class="source-line-no">079</span><span id="line-79"> Supplier<String> timeoutMsg) {</span> |
| <span class="source-line-no">080</span><span id="line-80"> if (future.isDone() || timeoutNs <= 0) {</span> |
| <span class="source-line-no">081</span><span id="line-81"> return future;</span> |
| <span class="source-line-no">082</span><span id="line-82"> }</span> |
| <span class="source-line-no">083</span><span id="line-83"> Timeout timeoutTask = retryTimer.newTimeout(t -> {</span> |
| <span class="source-line-no">084</span><span id="line-84"> if (future.isDone()) {</span> |
| <span class="source-line-no">085</span><span id="line-85"> return;</span> |
| <span class="source-line-no">086</span><span id="line-86"> }</span> |
| <span class="source-line-no">087</span><span id="line-87"> future.completeExceptionally(new TimeoutIOException(timeoutMsg.get()));</span> |
| <span class="source-line-no">088</span><span id="line-88"> }, timeoutNs, TimeUnit.NANOSECONDS);</span> |
| <span class="source-line-no">089</span><span id="line-89"> FutureUtils.addListener(future, (loc, error) -> {</span> |
| <span class="source-line-no">090</span><span id="line-90"> if (error != null && error.getClass() != TimeoutIOException.class) {</span> |
| <span class="source-line-no">091</span><span id="line-91"> // cancel timeout task if we are not completed by it.</span> |
| <span class="source-line-no">092</span><span id="line-92"> timeoutTask.cancel();</span> |
| <span class="source-line-no">093</span><span id="line-93"> }</span> |
| <span class="source-line-no">094</span><span id="line-94"> });</span> |
| <span class="source-line-no">095</span><span id="line-95"> return future;</span> |
| <span class="source-line-no">096</span><span id="line-96"> }</span> |
| <span class="source-line-no">097</span><span id="line-97"></span> |
| <span class="source-line-no">098</span><span id="line-98"> private boolean isMeta(TableName tableName) {</span> |
| <span class="source-line-no">099</span><span id="line-99"> return TableName.isMetaTableName(tableName);</span> |
| <span class="source-line-no">100</span><span id="line-100"> }</span> |
| <span class="source-line-no">101</span><span id="line-101"></span> |
| <span class="source-line-no">102</span><span id="line-102"> private <T> CompletableFuture<T> tracedLocationFuture(Supplier<CompletableFuture<T>> action,</span> |
| <span class="source-line-no">103</span><span id="line-103"> Function<T, List<String>> getRegionNames, Supplier<Span> spanSupplier) {</span> |
| <span class="source-line-no">104</span><span id="line-104"> final Span span = spanSupplier.get();</span> |
| <span class="source-line-no">105</span><span id="line-105"> try (Scope scope = span.makeCurrent()) {</span> |
| <span class="source-line-no">106</span><span id="line-106"> CompletableFuture<T> future = action.get();</span> |
| <span class="source-line-no">107</span><span id="line-107"> FutureUtils.addListener(future, (resp, error) -> {</span> |
| <span class="source-line-no">108</span><span id="line-108"> if (error != null) {</span> |
| <span class="source-line-no">109</span><span id="line-109"> TraceUtil.setError(span, error);</span> |
| <span class="source-line-no">110</span><span id="line-110"> } else {</span> |
| <span class="source-line-no">111</span><span id="line-111"> List<String> regionNames = getRegionNames.apply(resp);</span> |
| <span class="source-line-no">112</span><span id="line-112"> if (!regionNames.isEmpty()) {</span> |
| <span class="source-line-no">113</span><span id="line-113"> span.setAttribute(REGION_NAMES_KEY, regionNames);</span> |
| <span class="source-line-no">114</span><span id="line-114"> }</span> |
| <span class="source-line-no">115</span><span id="line-115"> span.setStatus(StatusCode.OK);</span> |
| <span class="source-line-no">116</span><span id="line-116"> }</span> |
| <span class="source-line-no">117</span><span id="line-117"> span.end();</span> |
| <span class="source-line-no">118</span><span id="line-118"> });</span> |
| <span class="source-line-no">119</span><span id="line-119"> return future;</span> |
| <span class="source-line-no">120</span><span id="line-120"> }</span> |
| <span class="source-line-no">121</span><span id="line-121"> }</span> |
| <span class="source-line-no">122</span><span id="line-122"></span> |
| <span class="source-line-no">123</span><span id="line-123"> private static List<String> getRegionNames(RegionLocations locs) {</span> |
| <span class="source-line-no">124</span><span id="line-124"> if (locs == null || locs.getRegionLocations() == null) {</span> |
| <span class="source-line-no">125</span><span id="line-125"> return Collections.emptyList();</span> |
| <span class="source-line-no">126</span><span id="line-126"> }</span> |
| <span class="source-line-no">127</span><span id="line-127"> return Arrays.stream(locs.getRegionLocations()).filter(Objects::nonNull)</span> |
| <span class="source-line-no">128</span><span id="line-128"> .map(HRegionLocation::getRegion).map(RegionInfo::getRegionNameAsString)</span> |
| <span class="source-line-no">129</span><span id="line-129"> .collect(Collectors.toList());</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"> private static List<String> getRegionNames(HRegionLocation location) {</span> |
| <span class="source-line-no">133</span><span id="line-133"> return Optional.ofNullable(location).map(HRegionLocation::getRegion)</span> |
| <span class="source-line-no">134</span><span id="line-134"> .map(RegionInfo::getRegionNameAsString).map(Collections::singletonList)</span> |
| <span class="source-line-no">135</span><span id="line-135"> .orElseGet(Collections::emptyList);</span> |
| <span class="source-line-no">136</span><span id="line-136"> }</span> |
| <span class="source-line-no">137</span><span id="line-137"></span> |
| <span class="source-line-no">138</span><span id="line-138"> CompletableFuture<RegionLocations> getRegionLocations(TableName tableName, byte[] row,</span> |
| <span class="source-line-no">139</span><span id="line-139"> RegionLocateType type, boolean reload, long timeoutNs) {</span> |
| <span class="source-line-no">140</span><span id="line-140"> final Supplier<Span> supplier = new TableSpanBuilder(conn)</span> |
| <span class="source-line-no">141</span><span id="line-141"> .setName("AsyncRegionLocator.getRegionLocations").setTableName(tableName);</span> |
| <span class="source-line-no">142</span><span id="line-142"> return tracedLocationFuture(() -> {</span> |
| <span class="source-line-no">143</span><span id="line-143"> CompletableFuture<RegionLocations> future = isMeta(tableName)</span> |
| <span class="source-line-no">144</span><span id="line-144"> ? metaRegionLocator.getRegionLocations(RegionReplicaUtil.DEFAULT_REPLICA_ID, reload)</span> |
| <span class="source-line-no">145</span><span id="line-145"> : nonMetaRegionLocator.getRegionLocations(tableName, row,</span> |
| <span class="source-line-no">146</span><span id="line-146"> RegionReplicaUtil.DEFAULT_REPLICA_ID, type, reload);</span> |
| <span class="source-line-no">147</span><span id="line-147"> return withTimeout(future, timeoutNs,</span> |
| <span class="source-line-no">148</span><span id="line-148"> () -> "Timeout(" + TimeUnit.NANOSECONDS.toMillis(timeoutNs)</span> |
| <span class="source-line-no">149</span><span id="line-149"> + "ms) waiting for region locations for " + tableName + ", row='"</span> |
| <span class="source-line-no">150</span><span id="line-150"> + Bytes.toStringBinary(row) + "'");</span> |
| <span class="source-line-no">151</span><span id="line-151"> }, AsyncRegionLocator::getRegionNames, supplier);</span> |
| <span class="source-line-no">152</span><span id="line-152"> }</span> |
| <span class="source-line-no">153</span><span id="line-153"></span> |
| <span class="source-line-no">154</span><span id="line-154"> CompletableFuture<HRegionLocation> getRegionLocation(TableName tableName, byte[] row,</span> |
| <span class="source-line-no">155</span><span id="line-155"> int replicaId, RegionLocateType type, boolean reload, long timeoutNs) {</span> |
| <span class="source-line-no">156</span><span id="line-156"> final Supplier<Span> supplier = new TableSpanBuilder(conn)</span> |
| <span class="source-line-no">157</span><span id="line-157"> .setName("AsyncRegionLocator.getRegionLocation").setTableName(tableName);</span> |
| <span class="source-line-no">158</span><span id="line-158"> return tracedLocationFuture(() -> {</span> |
| <span class="source-line-no">159</span><span id="line-159"> // meta region can not be split right now so we always call the same method.</span> |
| <span class="source-line-no">160</span><span id="line-160"> // Change it later if the meta table can have more than one regions.</span> |
| <span class="source-line-no">161</span><span id="line-161"> CompletableFuture<HRegionLocation> future = new CompletableFuture<>();</span> |
| <span class="source-line-no">162</span><span id="line-162"> CompletableFuture<RegionLocations> locsFuture = isMeta(tableName)</span> |
| <span class="source-line-no">163</span><span id="line-163"> ? metaRegionLocator.getRegionLocations(replicaId, reload)</span> |
| <span class="source-line-no">164</span><span id="line-164"> : nonMetaRegionLocator.getRegionLocations(tableName, row, replicaId, type, reload);</span> |
| <span class="source-line-no">165</span><span id="line-165"> addListener(locsFuture, (locs, error) -> {</span> |
| <span class="source-line-no">166</span><span id="line-166"> if (error != null) {</span> |
| <span class="source-line-no">167</span><span id="line-167"> future.completeExceptionally(error);</span> |
| <span class="source-line-no">168</span><span id="line-168"> return;</span> |
| <span class="source-line-no">169</span><span id="line-169"> }</span> |
| <span class="source-line-no">170</span><span id="line-170"> HRegionLocation loc = locs.getRegionLocation(replicaId);</span> |
| <span class="source-line-no">171</span><span id="line-171"> if (loc == null) {</span> |
| <span class="source-line-no">172</span><span id="line-172"> future.completeExceptionally(</span> |
| <span class="source-line-no">173</span><span id="line-173"> new RegionOfflineException("No location for " + tableName + ", row='"</span> |
| <span class="source-line-no">174</span><span id="line-174"> + Bytes.toStringBinary(row) + "', locateType=" + type + ", replicaId=" + replicaId));</span> |
| <span class="source-line-no">175</span><span id="line-175"> } else if (loc.getServerName() == null) {</span> |
| <span class="source-line-no">176</span><span id="line-176"> future.completeExceptionally(</span> |
| <span class="source-line-no">177</span><span id="line-177"> new RegionOfflineException("No server address listed for region '"</span> |
| <span class="source-line-no">178</span><span id="line-178"> + loc.getRegion().getRegionNameAsString() + ", row='" + Bytes.toStringBinary(row)</span> |
| <span class="source-line-no">179</span><span id="line-179"> + "', locateType=" + type + ", replicaId=" + replicaId));</span> |
| <span class="source-line-no">180</span><span id="line-180"> } else {</span> |
| <span class="source-line-no">181</span><span id="line-181"> future.complete(loc);</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"> return withTimeout(future, timeoutNs,</span> |
| <span class="source-line-no">185</span><span id="line-185"> () -> "Timeout(" + TimeUnit.NANOSECONDS.toMillis(timeoutNs)</span> |
| <span class="source-line-no">186</span><span id="line-186"> + "ms) waiting for region location for " + tableName + ", row='"</span> |
| <span class="source-line-no">187</span><span id="line-187"> + Bytes.toStringBinary(row) + "', replicaId=" + replicaId);</span> |
| <span class="source-line-no">188</span><span id="line-188"> }, AsyncRegionLocator::getRegionNames, supplier);</span> |
| <span class="source-line-no">189</span><span id="line-189"> }</span> |
| <span class="source-line-no">190</span><span id="line-190"></span> |
| <span class="source-line-no">191</span><span id="line-191"> CompletableFuture<HRegionLocation> getRegionLocation(TableName tableName, byte[] row,</span> |
| <span class="source-line-no">192</span><span id="line-192"> int replicaId, RegionLocateType type, long timeoutNs) {</span> |
| <span class="source-line-no">193</span><span id="line-193"> return getRegionLocation(tableName, row, replicaId, type, false, timeoutNs);</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"> CompletableFuture<HRegionLocation> getRegionLocation(TableName tableName, byte[] row,</span> |
| <span class="source-line-no">197</span><span id="line-197"> RegionLocateType type, boolean reload, long timeoutNs) {</span> |
| <span class="source-line-no">198</span><span id="line-198"> return getRegionLocation(tableName, row, RegionReplicaUtil.DEFAULT_REPLICA_ID, type, reload,</span> |
| <span class="source-line-no">199</span><span id="line-199"> timeoutNs);</span> |
| <span class="source-line-no">200</span><span id="line-200"> }</span> |
| <span class="source-line-no">201</span><span id="line-201"></span> |
| <span class="source-line-no">202</span><span id="line-202"> CompletableFuture<HRegionLocation> getRegionLocation(TableName tableName, byte[] row,</span> |
| <span class="source-line-no">203</span><span id="line-203"> RegionLocateType type, long timeoutNs) {</span> |
| <span class="source-line-no">204</span><span id="line-204"> return getRegionLocation(tableName, row, type, false, timeoutNs);</span> |
| <span class="source-line-no">205</span><span id="line-205"> }</span> |
| <span class="source-line-no">206</span><span id="line-206"></span> |
| <span class="source-line-no">207</span><span id="line-207"> void updateCachedLocationOnError(HRegionLocation loc, Throwable exception) {</span> |
| <span class="source-line-no">208</span><span id="line-208"> if (loc.getRegion().isMetaRegion()) {</span> |
| <span class="source-line-no">209</span><span id="line-209"> metaRegionLocator.updateCachedLocationOnError(loc, exception);</span> |
| <span class="source-line-no">210</span><span id="line-210"> } else {</span> |
| <span class="source-line-no">211</span><span id="line-211"> nonMetaRegionLocator.updateCachedLocationOnError(loc, exception);</span> |
| <span class="source-line-no">212</span><span id="line-212"> }</span> |
| <span class="source-line-no">213</span><span id="line-213"> }</span> |
| <span class="source-line-no">214</span><span id="line-214"></span> |
| <span class="source-line-no">215</span><span id="line-215"> void clearCache(TableName tableName) {</span> |
| <span class="source-line-no">216</span><span id="line-216"> Supplier<Span> supplier =</span> |
| <span class="source-line-no">217</span><span id="line-217"> new TableSpanBuilder(conn).setName("AsyncRegionLocator.clearCache").setTableName(tableName);</span> |
| <span class="source-line-no">218</span><span id="line-218"> TraceUtil.trace(() -> {</span> |
| <span class="source-line-no">219</span><span id="line-219"> LOG.debug("Clear meta cache for {}", tableName);</span> |
| <span class="source-line-no">220</span><span id="line-220"> if (tableName.equals(META_TABLE_NAME)) {</span> |
| <span class="source-line-no">221</span><span id="line-221"> metaRegionLocator.clearCache();</span> |
| <span class="source-line-no">222</span><span id="line-222"> } else {</span> |
| <span class="source-line-no">223</span><span id="line-223"> nonMetaRegionLocator.clearCache(tableName);</span> |
| <span class="source-line-no">224</span><span id="line-224"> }</span> |
| <span class="source-line-no">225</span><span id="line-225"> }, supplier);</span> |
| <span class="source-line-no">226</span><span id="line-226"> }</span> |
| <span class="source-line-no">227</span><span id="line-227"></span> |
| <span class="source-line-no">228</span><span id="line-228"> void clearCache(ServerName serverName) {</span> |
| <span class="source-line-no">229</span><span id="line-229"> Supplier<Span> supplier =</span> |
| <span class="source-line-no">230</span><span id="line-230"> new ConnectionSpanBuilder(conn).setName("AsyncRegionLocator.clearCache")</span> |
| <span class="source-line-no">231</span><span id="line-231"> .addAttribute(SERVER_NAME_KEY, serverName.getServerName());</span> |
| <span class="source-line-no">232</span><span id="line-232"> TraceUtil.trace(() -> {</span> |
| <span class="source-line-no">233</span><span id="line-233"> LOG.debug("Clear meta cache for {}", serverName);</span> |
| <span class="source-line-no">234</span><span id="line-234"> metaRegionLocator.clearCache(serverName);</span> |
| <span class="source-line-no">235</span><span id="line-235"> nonMetaRegionLocator.clearCache(serverName);</span> |
| <span class="source-line-no">236</span><span id="line-236"> conn.getConnectionMetrics().ifPresent(MetricsConnection::incrMetaCacheNumClearServer);</span> |
| <span class="source-line-no">237</span><span id="line-237"> }, supplier);</span> |
| <span class="source-line-no">238</span><span id="line-238"> }</span> |
| <span class="source-line-no">239</span><span id="line-239"></span> |
| <span class="source-line-no">240</span><span id="line-240"> void clearCache() {</span> |
| <span class="source-line-no">241</span><span id="line-241"> Supplier<Span> supplier =</span> |
| <span class="source-line-no">242</span><span id="line-242"> new ConnectionSpanBuilder(conn).setName("AsyncRegionLocator.clearCache");</span> |
| <span class="source-line-no">243</span><span id="line-243"> TraceUtil.trace(() -> {</span> |
| <span class="source-line-no">244</span><span id="line-244"> metaRegionLocator.clearCache();</span> |
| <span class="source-line-no">245</span><span id="line-245"> nonMetaRegionLocator.clearCache();</span> |
| <span class="source-line-no">246</span><span id="line-246"> }, supplier);</span> |
| <span class="source-line-no">247</span><span id="line-247"> }</span> |
| <span class="source-line-no">248</span><span id="line-248"></span> |
| <span class="source-line-no">249</span><span id="line-249"> AsyncNonMetaRegionLocator getNonMetaRegionLocator() {</span> |
| <span class="source-line-no">250</span><span id="line-250"> return nonMetaRegionLocator;</span> |
| <span class="source-line-no">251</span><span id="line-251"> }</span> |
| <span class="source-line-no">252</span><span id="line-252"></span> |
| <span class="source-line-no">253</span><span id="line-253"> // only used for testing whether we have cached the location for a region.</span> |
| <span class="source-line-no">254</span><span id="line-254"> RegionLocations getRegionLocationInCache(TableName tableName, byte[] row) {</span> |
| <span class="source-line-no">255</span><span id="line-255"> if (TableName.isMetaTableName(tableName)) {</span> |
| <span class="source-line-no">256</span><span id="line-256"> return metaRegionLocator.getRegionLocationInCache();</span> |
| <span class="source-line-no">257</span><span id="line-257"> } else {</span> |
| <span class="source-line-no">258</span><span id="line-258"> return nonMetaRegionLocator.getRegionLocationInCache(tableName, row);</span> |
| <span class="source-line-no">259</span><span id="line-259"> }</span> |
| <span class="source-line-no">260</span><span id="line-260"> }</span> |
| <span class="source-line-no">261</span><span id="line-261"></span> |
| <span class="source-line-no">262</span><span id="line-262"> // only used for testing whether we have cached the location for a table.</span> |
| <span class="source-line-no">263</span><span id="line-263"> int getNumberOfCachedRegionLocations(TableName tableName) {</span> |
| <span class="source-line-no">264</span><span id="line-264"> if (TableName.isMetaTableName(tableName)) {</span> |
| <span class="source-line-no">265</span><span id="line-265"> return metaRegionLocator.getNumberOfCachedRegionLocations();</span> |
| <span class="source-line-no">266</span><span id="line-266"> } else {</span> |
| <span class="source-line-no">267</span><span id="line-267"> return nonMetaRegionLocator.getNumberOfCachedRegionLocations(tableName);</span> |
| <span class="source-line-no">268</span><span id="line-268"> }</span> |
| <span class="source-line-no">269</span><span id="line-269"> }</span> |
| <span class="source-line-no">270</span><span id="line-270">}</span> |
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| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
