You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@hbase.apache.org by gi...@apache.org on 2018/02/07 15:14:23 UTC
[29/42] hbase-site git commit: Published site at .
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/6bdadd97/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncRequestFutureImpl.ReplicaResultState.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncRequestFutureImpl.ReplicaResultState.html b/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncRequestFutureImpl.ReplicaResultState.html
index 1355c3b..00483be 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncRequestFutureImpl.ReplicaResultState.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncRequestFutureImpl.ReplicaResultState.html
@@ -27,1264 +27,1257 @@
<span class="sourceLineNo">019</span><a name="line.19"></a>
<span class="sourceLineNo">020</span>package org.apache.hadoop.hbase.client;<a name="line.20"></a>
<span class="sourceLineNo">021</span><a name="line.21"></a>
-<span class="sourceLineNo">022</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.22"></a>
-<span class="sourceLineNo">023</span><a name="line.23"></a>
-<span class="sourceLineNo">024</span>import java.io.IOException;<a name="line.24"></a>
-<span class="sourceLineNo">025</span>import java.io.InterruptedIOException;<a name="line.25"></a>
-<span class="sourceLineNo">026</span>import java.util.ArrayList;<a name="line.26"></a>
-<span class="sourceLineNo">027</span>import java.util.Collection;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import java.util.Collections;<a name="line.28"></a>
-<span class="sourceLineNo">029</span>import java.util.Date;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import java.util.HashMap;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import java.util.List;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import java.util.Map;<a name="line.32"></a>
-<span class="sourceLineNo">033</span>import java.util.Set;<a name="line.33"></a>
-<span class="sourceLineNo">034</span>import java.util.concurrent.ConcurrentHashMap;<a name="line.34"></a>
-<span class="sourceLineNo">035</span>import java.util.concurrent.ExecutorService;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import java.util.concurrent.RejectedExecutionException;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>import java.util.concurrent.TimeUnit;<a name="line.37"></a>
-<span class="sourceLineNo">038</span>import java.util.concurrent.atomic.AtomicLong;<a name="line.38"></a>
-<span class="sourceLineNo">039</span><a name="line.39"></a>
-<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.CallQueueTooBigException;<a name="line.40"></a>
-<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.DoNotRetryIOException;<a name="line.41"></a>
-<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.HConstants;<a name="line.42"></a>
-<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.HRegionInfo;<a name="line.43"></a>
-<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.HRegionLocation;<a name="line.44"></a>
-<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.RegionLocations;<a name="line.45"></a>
-<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.RetryImmediatelyException;<a name="line.46"></a>
-<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.ServerName;<a name="line.47"></a>
-<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.TableName;<a name="line.48"></a>
-<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.trace.TraceUtil;<a name="line.49"></a>
-<span class="sourceLineNo">050</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.50"></a>
-<span class="sourceLineNo">051</span>import org.slf4j.Logger;<a name="line.51"></a>
-<span class="sourceLineNo">052</span>import org.slf4j.LoggerFactory;<a name="line.52"></a>
-<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.client.backoff.ServerStatistics;<a name="line.53"></a>
-<span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.client.coprocessor.Batch;<a name="line.54"></a>
-<span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.exceptions.ClientExceptionsUtil;<a name="line.55"></a>
-<span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.56"></a>
-<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos;<a name="line.57"></a>
-<span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.58"></a>
-<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.59"></a>
-<span class="sourceLineNo">060</span>import org.apache.htrace.core.Tracer;<a name="line.60"></a>
-<span class="sourceLineNo">061</span><a name="line.61"></a>
-<span class="sourceLineNo">062</span>/**<a name="line.62"></a>
-<span class="sourceLineNo">063</span> * The context, and return value, for a single submit/submitAll call.<a name="line.63"></a>
-<span class="sourceLineNo">064</span> * Note on how this class (one AP submit) works. Initially, all requests are split into groups<a name="line.64"></a>
-<span class="sourceLineNo">065</span> * by server; request is sent to each server in parallel; the RPC calls are not async so a<a name="line.65"></a>
-<span class="sourceLineNo">066</span> * thread per server is used. Every time some actions fail, regions/locations might have<a name="line.66"></a>
-<span class="sourceLineNo">067</span> * changed, so we re-group them by server and region again and send these groups in parallel<a name="line.67"></a>
-<span class="sourceLineNo">068</span> * too. The result, in case of retries, is a "tree" of threads, with parent exiting after<a name="line.68"></a>
-<span class="sourceLineNo">069</span> * scheduling children. This is why lots of code doesn't require any synchronization.<a name="line.69"></a>
-<span class="sourceLineNo">070</span> */<a name="line.70"></a>
-<span class="sourceLineNo">071</span>@InterfaceAudience.Private<a name="line.71"></a>
-<span class="sourceLineNo">072</span>class AsyncRequestFutureImpl<CResult> implements AsyncRequestFuture {<a name="line.72"></a>
-<span class="sourceLineNo">073</span><a name="line.73"></a>
-<span class="sourceLineNo">074</span> private static final Logger LOG = LoggerFactory.getLogger(AsyncRequestFutureImpl.class);<a name="line.74"></a>
-<span class="sourceLineNo">075</span><a name="line.75"></a>
-<span class="sourceLineNo">076</span> private RetryingTimeTracker tracker;<a name="line.76"></a>
-<span class="sourceLineNo">077</span><a name="line.77"></a>
-<span class="sourceLineNo">078</span> /**<a name="line.78"></a>
-<span class="sourceLineNo">079</span> * Runnable (that can be submitted to thread pool) that waits for when it's time<a name="line.79"></a>
-<span class="sourceLineNo">080</span> * to issue replica calls, finds region replicas, groups the requests by replica and<a name="line.80"></a>
-<span class="sourceLineNo">081</span> * issues the calls (on separate threads, via sendMultiAction).<a name="line.81"></a>
-<span class="sourceLineNo">082</span> * This is done on a separate thread because we don't want to wait on user thread for<a name="line.82"></a>
-<span class="sourceLineNo">083</span> * our asynchronous call, and usually we have to wait before making replica calls.<a name="line.83"></a>
-<span class="sourceLineNo">084</span> */<a name="line.84"></a>
-<span class="sourceLineNo">085</span> private final class ReplicaCallIssuingRunnable implements Runnable {<a name="line.85"></a>
-<span class="sourceLineNo">086</span> private final long startTime;<a name="line.86"></a>
-<span class="sourceLineNo">087</span> private final List<Action> initialActions;<a name="line.87"></a>
-<span class="sourceLineNo">088</span><a name="line.88"></a>
-<span class="sourceLineNo">089</span> public ReplicaCallIssuingRunnable(List<Action> initialActions, long startTime) {<a name="line.89"></a>
-<span class="sourceLineNo">090</span> this.initialActions = initialActions;<a name="line.90"></a>
-<span class="sourceLineNo">091</span> this.startTime = startTime;<a name="line.91"></a>
-<span class="sourceLineNo">092</span> }<a name="line.92"></a>
-<span class="sourceLineNo">093</span><a name="line.93"></a>
-<span class="sourceLineNo">094</span> @Override<a name="line.94"></a>
-<span class="sourceLineNo">095</span> public void run() {<a name="line.95"></a>
-<span class="sourceLineNo">096</span> boolean done = false;<a name="line.96"></a>
-<span class="sourceLineNo">097</span> if (asyncProcess.primaryCallTimeoutMicroseconds > 0) {<a name="line.97"></a>
-<span class="sourceLineNo">098</span> try {<a name="line.98"></a>
-<span class="sourceLineNo">099</span> done = waitUntilDone(startTime * 1000L + asyncProcess.primaryCallTimeoutMicroseconds);<a name="line.99"></a>
-<span class="sourceLineNo">100</span> } catch (InterruptedException ex) {<a name="line.100"></a>
-<span class="sourceLineNo">101</span> LOG.error("Replica thread was interrupted - no replica calls: " + ex.getMessage());<a name="line.101"></a>
-<span class="sourceLineNo">102</span> return;<a name="line.102"></a>
-<span class="sourceLineNo">103</span> }<a name="line.103"></a>
-<span class="sourceLineNo">104</span> }<a name="line.104"></a>
-<span class="sourceLineNo">105</span> if (done) return; // Done within primary timeout<a name="line.105"></a>
-<span class="sourceLineNo">106</span> Map<ServerName, MultiAction> actionsByServer = new HashMap<>();<a name="line.106"></a>
-<span class="sourceLineNo">107</span> List<Action> unknownLocActions = new ArrayList<>();<a name="line.107"></a>
-<span class="sourceLineNo">108</span> if (replicaGetIndices == null) {<a name="line.108"></a>
-<span class="sourceLineNo">109</span> for (int i = 0; i < results.length; ++i) {<a name="line.109"></a>
-<span class="sourceLineNo">110</span> addReplicaActions(i, actionsByServer, unknownLocActions);<a name="line.110"></a>
-<span class="sourceLineNo">111</span> }<a name="line.111"></a>
-<span class="sourceLineNo">112</span> } else {<a name="line.112"></a>
-<span class="sourceLineNo">113</span> for (int replicaGetIndice : replicaGetIndices) {<a name="line.113"></a>
-<span class="sourceLineNo">114</span> addReplicaActions(replicaGetIndice, actionsByServer, unknownLocActions);<a name="line.114"></a>
-<span class="sourceLineNo">115</span> }<a name="line.115"></a>
-<span class="sourceLineNo">116</span> }<a name="line.116"></a>
-<span class="sourceLineNo">117</span> if (!actionsByServer.isEmpty()) {<a name="line.117"></a>
-<span class="sourceLineNo">118</span> sendMultiAction(actionsByServer, 1, null, unknownLocActions.isEmpty());<a name="line.118"></a>
-<span class="sourceLineNo">119</span> }<a name="line.119"></a>
-<span class="sourceLineNo">120</span> if (!unknownLocActions.isEmpty()) {<a name="line.120"></a>
-<span class="sourceLineNo">121</span> actionsByServer = new HashMap<>();<a name="line.121"></a>
-<span class="sourceLineNo">122</span> for (Action action : unknownLocActions) {<a name="line.122"></a>
-<span class="sourceLineNo">123</span> addReplicaActionsAgain(action, actionsByServer);<a name="line.123"></a>
-<span class="sourceLineNo">124</span> }<a name="line.124"></a>
-<span class="sourceLineNo">125</span> // Some actions may have completely failed, they are handled inside addAgain.<a name="line.125"></a>
-<span class="sourceLineNo">126</span> if (!actionsByServer.isEmpty()) {<a name="line.126"></a>
-<span class="sourceLineNo">127</span> sendMultiAction(actionsByServer, 1, null, true);<a name="line.127"></a>
-<span class="sourceLineNo">128</span> }<a name="line.128"></a>
-<span class="sourceLineNo">129</span> }<a name="line.129"></a>
-<span class="sourceLineNo">130</span> }<a name="line.130"></a>
-<span class="sourceLineNo">131</span><a name="line.131"></a>
-<span class="sourceLineNo">132</span> /**<a name="line.132"></a>
-<span class="sourceLineNo">133</span> * Add replica actions to action map by server.<a name="line.133"></a>
-<span class="sourceLineNo">134</span> * @param index Index of the original action.<a name="line.134"></a>
-<span class="sourceLineNo">135</span> * @param actionsByServer The map by server to add it to.<a name="line.135"></a>
-<span class="sourceLineNo">136</span> */<a name="line.136"></a>
-<span class="sourceLineNo">137</span> private void addReplicaActions(int index, Map<ServerName, MultiAction> actionsByServer,<a name="line.137"></a>
-<span class="sourceLineNo">138</span> List<Action> unknownReplicaActions) {<a name="line.138"></a>
-<span class="sourceLineNo">139</span> if (results[index] != null) return; // opportunistic. Never goes from non-null to null.<a name="line.139"></a>
-<span class="sourceLineNo">140</span> Action action = initialActions.get(index);<a name="line.140"></a>
-<span class="sourceLineNo">141</span> RegionLocations loc = findAllLocationsOrFail(action, true);<a name="line.141"></a>
-<span class="sourceLineNo">142</span> if (loc == null) return;<a name="line.142"></a>
-<span class="sourceLineNo">143</span> HRegionLocation[] locs = loc.getRegionLocations();<a name="line.143"></a>
-<span class="sourceLineNo">144</span> if (locs.length == 1) {<a name="line.144"></a>
-<span class="sourceLineNo">145</span> LOG.warn("No replicas found for " + action.getAction());<a name="line.145"></a>
-<span class="sourceLineNo">146</span> return;<a name="line.146"></a>
-<span class="sourceLineNo">147</span> }<a name="line.147"></a>
-<span class="sourceLineNo">148</span> synchronized (replicaResultLock) {<a name="line.148"></a>
-<span class="sourceLineNo">149</span> // Don't run replica calls if the original has finished. We could do it e.g. if<a name="line.149"></a>
-<span class="sourceLineNo">150</span> // original has already failed before first replica call (unlikely given retries),<a name="line.150"></a>
-<span class="sourceLineNo">151</span> // but that would require additional synchronization w.r.t. returning to caller.<a name="line.151"></a>
-<span class="sourceLineNo">152</span> if (results[index] != null) return;<a name="line.152"></a>
-<span class="sourceLineNo">153</span> // We set the number of calls here. After that any path must call setResult/setError.<a name="line.153"></a>
-<span class="sourceLineNo">154</span> // True even for replicas that are not found - if we refuse to send we MUST set error.<a name="line.154"></a>
-<span class="sourceLineNo">155</span> results[index] = new ReplicaResultState(locs.length);<a name="line.155"></a>
-<span class="sourceLineNo">156</span> }<a name="line.156"></a>
-<span class="sourceLineNo">157</span> for (int i = 1; i < locs.length; ++i) {<a name="line.157"></a>
-<span class="sourceLineNo">158</span> Action replicaAction = new Action(action, i);<a name="line.158"></a>
-<span class="sourceLineNo">159</span> if (locs[i] != null) {<a name="line.159"></a>
-<span class="sourceLineNo">160</span> asyncProcess.addAction(locs[i].getServerName(), locs[i].getRegionInfo().getRegionName(),<a name="line.160"></a>
-<span class="sourceLineNo">161</span> replicaAction, actionsByServer, nonceGroup);<a name="line.161"></a>
-<span class="sourceLineNo">162</span> } else {<a name="line.162"></a>
-<span class="sourceLineNo">163</span> unknownReplicaActions.add(replicaAction);<a name="line.163"></a>
-<span class="sourceLineNo">164</span> }<a name="line.164"></a>
-<span class="sourceLineNo">165</span> }<a name="line.165"></a>
-<span class="sourceLineNo">166</span> }<a name="line.166"></a>
-<span class="sourceLineNo">167</span><a name="line.167"></a>
-<span class="sourceLineNo">168</span> private void addReplicaActionsAgain(<a name="line.168"></a>
-<span class="sourceLineNo">169</span> Action action, Map<ServerName, MultiAction> actionsByServer) {<a name="line.169"></a>
-<span class="sourceLineNo">170</span> if (action.getReplicaId() == RegionReplicaUtil.DEFAULT_REPLICA_ID) {<a name="line.170"></a>
-<span class="sourceLineNo">171</span> throw new AssertionError("Cannot have default replica here");<a name="line.171"></a>
-<span class="sourceLineNo">172</span> }<a name="line.172"></a>
-<span class="sourceLineNo">173</span> HRegionLocation loc = getReplicaLocationOrFail(action);<a name="line.173"></a>
-<span class="sourceLineNo">174</span> if (loc == null) return;<a name="line.174"></a>
-<span class="sourceLineNo">175</span> asyncProcess.addAction(loc.getServerName(), loc.getRegionInfo().getRegionName(),<a name="line.175"></a>
-<span class="sourceLineNo">176</span> action, actionsByServer, nonceGroup);<a name="line.176"></a>
-<span class="sourceLineNo">177</span> }<a name="line.177"></a>
-<span class="sourceLineNo">178</span> }<a name="line.178"></a>
-<span class="sourceLineNo">179</span><a name="line.179"></a>
-<span class="sourceLineNo">180</span> /**<a name="line.180"></a>
-<span class="sourceLineNo">181</span> * Runnable (that can be submitted to thread pool) that submits MultiAction to a<a name="line.181"></a>
-<span class="sourceLineNo">182</span> * single server. The server call is synchronous, therefore we do it on a thread pool.<a name="line.182"></a>
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-<span class="sourceLineNo">184</span> @VisibleForTesting<a name="line.184"></a>
-<span class="sourceLineNo">185</span> final class SingleServerRequestRunnable implements Runnable {<a name="line.185"></a>
-<span class="sourceLineNo">186</span> private final MultiAction multiAction;<a name="line.186"></a>
-<span class="sourceLineNo">187</span> private final int numAttempt;<a name="line.187"></a>
-<span class="sourceLineNo">188</span> private final ServerName server;<a name="line.188"></a>
-<span class="sourceLineNo">189</span> private final Set<CancellableRegionServerCallable> callsInProgress;<a name="line.189"></a>
-<span class="sourceLineNo">190</span> @VisibleForTesting<a name="line.190"></a>
-<span class="sourceLineNo">191</span> SingleServerRequestRunnable(<a name="line.191"></a>
-<span class="sourceLineNo">192</span> MultiAction multiAction, int numAttempt, ServerName server,<a name="line.192"></a>
-<span class="sourceLineNo">193</span> Set<CancellableRegionServerCallable> callsInProgress) {<a name="line.193"></a>
-<span class="sourceLineNo">194</span> this.multiAction = multiAction;<a name="line.194"></a>
-<span class="sourceLineNo">195</span> this.numAttempt = numAttempt;<a name="line.195"></a>
-<span class="sourceLineNo">196</span> this.server = server;<a name="line.196"></a>
-<span class="sourceLineNo">197</span> this.callsInProgress = callsInProgress;<a name="line.197"></a>
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-<span class="sourceLineNo">199</span><a name="line.199"></a>
-<span class="sourceLineNo">200</span> @Override<a name="line.200"></a>
-<span class="sourceLineNo">201</span> public void run() {<a name="line.201"></a>
-<span class="sourceLineNo">202</span> AbstractResponse res = null;<a name="line.202"></a>
-<span class="sourceLineNo">203</span> CancellableRegionServerCallable callable = currentCallable;<a name="line.203"></a>
-<span class="sourceLineNo">204</span> try {<a name="line.204"></a>
-<span class="sourceLineNo">205</span> // setup the callable based on the actions, if we don't have one already from the request<a name="line.205"></a>
-<span class="sourceLineNo">206</span> if (callable == null) {<a name="line.206"></a>
-<span class="sourceLineNo">207</span> callable = createCallable(server, tableName, multiAction);<a name="line.207"></a>
-<span class="sourceLineNo">208</span> }<a name="line.208"></a>
-<span class="sourceLineNo">209</span> RpcRetryingCaller<AbstractResponse> caller = asyncProcess.createCaller(callable,rpcTimeout);<a name="line.209"></a>
-<span class="sourceLineNo">210</span> try {<a name="line.210"></a>
-<span class="sourceLineNo">211</span> if (callsInProgress != null) {<a name="line.211"></a>
-<span class="sourceLineNo">212</span> callsInProgress.add(callable);<a name="line.212"></a>
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-<span class="sourceLineNo">214</span> res = caller.callWithoutRetries(callable, operationTimeout);<a name="line.214"></a>
-<span class="sourceLineNo">215</span> if (res == null) {<a name="line.215"></a>
-<span class="sourceLineNo">216</span> // Cancelled<a name="line.216"></a>
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-<span class="sourceLineNo">219</span> } catch (IOException e) {<a name="line.219"></a>
-<span class="sourceLineNo">220</span> // The service itself failed . It may be an error coming from the communication<a name="line.220"></a>
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-<span class="sourceLineNo">222</span> receiveGlobalFailure(multiAction, server, numAttempt, e);<a name="line.222"></a>
-<span class="sourceLineNo">223</span> return;<a name="line.223"></a>
-<span class="sourceLineNo">224</span> } catch (Throwable t) {<a name="line.224"></a>
-<span class="sourceLineNo">225</span> // This should not happen. Let's log & retry anyway.<a name="line.225"></a>
-<span class="sourceLineNo">226</span> LOG.error("#" + asyncProcess.id + ", Caught throwable while calling. This is unexpected." +<a name="line.226"></a>
-<span class="sourceLineNo">227</span> " Retrying. Server is " + server + ", tableName=" + tableName, t);<a name="line.227"></a>
-<span class="sourceLineNo">228</span> receiveGlobalFailure(multiAction, server, numAttempt, t);<a name="line.228"></a>
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-<span class="sourceLineNo">231</span> if (res.type() == AbstractResponse.ResponseType.MULTI) {<a name="line.231"></a>
-<span class="sourceLineNo">232</span> // Normal case: we received an answer from the server, and it's not an exception.<a name="line.232"></a>
-<span class="sourceLineNo">233</span> receiveMultiAction(multiAction, server, (MultiResponse) res, numAttempt);<a name="line.233"></a>
-<span class="sourceLineNo">234</span> } else {<a name="line.234"></a>
-<span class="sourceLineNo">235</span> if (results != null) {<a name="line.235"></a>
-<span class="sourceLineNo">236</span> SingleResponse singleResponse = (SingleResponse) res;<a name="line.236"></a>
-<span class="sourceLineNo">237</span> results[0] = singleResponse.getEntry();<a name="line.237"></a>
-<span class="sourceLineNo">238</span> }<a name="line.238"></a>
-<span class="sourceLineNo">239</span> decActionCounter(1);<a name="line.239"></a>
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-<span class="sourceLineNo">242</span> // Something really bad happened. We are on the send thread that will now die.<a name="line.242"></a>
-<span class="sourceLineNo">243</span> LOG.error("Internal AsyncProcess #" + asyncProcess.id + " error for "<a name="line.243"></a>
-<span class="sourceLineNo">244</span> + tableName + " processing for " + server, t);<a name="line.244"></a>
-<span class="sourceLineNo">245</span> throw new RuntimeException(t);<a name="line.245"></a>
-<span class="sourceLineNo">246</span> } finally {<a name="line.246"></a>
-<span class="sourceLineNo">247</span> asyncProcess.decTaskCounters(multiAction.getRegions(), server);<a name="line.247"></a>
-<span class="sourceLineNo">248</span> if (callsInProgress != null && callable != null && res != null) {<a name="line.248"></a>
-<span class="sourceLineNo">249</span> callsInProgress.remove(callable);<a name="line.249"></a>
-<span class="sourceLineNo">250</span> }<a name="line.250"></a>
-<span class="sourceLineNo">251</span> }<a name="line.251"></a>
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-<span class="sourceLineNo">253</span> }<a name="line.253"></a>
-<span class="sourceLineNo">254</span><a name="line.254"></a>
-<span class="sourceLineNo">255</span> private final Batch.Callback<CResult> callback;<a name="line.255"></a>
-<span class="sourceLineNo">256</span> private final BatchErrors errors;<a name="line.256"></a>
-<span class="sourceLineNo">257</span> private final ConnectionImplementation.ServerErrorTracker errorsByServer;<a name="line.257"></a>
-<span class="sourceLineNo">258</span> private final ExecutorService pool;<a name="line.258"></a>
-<span class="sourceLineNo">259</span> private final Set<CancellableRegionServerCallable> callsInProgress;<a name="line.259"></a>
+<span class="sourceLineNo">022</span>import java.io.IOException;<a name="line.22"></a>
+<span class="sourceLineNo">023</span>import java.io.InterruptedIOException;<a name="line.23"></a>
+<span class="sourceLineNo">024</span>import java.util.ArrayList;<a name="line.24"></a>
+<span class="sourceLineNo">025</span>import java.util.Collection;<a name="line.25"></a>
+<span class="sourceLineNo">026</span>import java.util.Collections;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import java.util.Date;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import java.util.HashMap;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import java.util.List;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import java.util.Map;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import java.util.Set;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import java.util.concurrent.ConcurrentHashMap;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import java.util.concurrent.ExecutorService;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import java.util.concurrent.RejectedExecutionException;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import java.util.concurrent.TimeUnit;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import java.util.concurrent.atomic.AtomicLong;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.CallQueueTooBigException;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.DoNotRetryIOException;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.HConstants;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.HRegionLocation;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.RegionLocations;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.RetryImmediatelyException;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.ServerName;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.TableName;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.client.backoff.ServerStatistics;<a name="line.45"></a>
+<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.client.coprocessor.Batch;<a name="line.46"></a>
+<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.exceptions.ClientExceptionsUtil;<a name="line.47"></a>
+<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.trace.TraceUtil;<a name="line.48"></a>
+<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.49"></a>
+<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.50"></a>
+<span class="sourceLineNo">051</span>import org.apache.htrace.core.Tracer;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.52"></a>
+<span class="sourceLineNo">053</span>import org.slf4j.Logger;<a name="line.53"></a>
+<span class="sourceLineNo">054</span>import org.slf4j.LoggerFactory;<a name="line.54"></a>
+<span class="sourceLineNo">055</span><a name="line.55"></a>
+<span class="sourceLineNo">056</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.56"></a>
+<span class="sourceLineNo">057</span><a name="line.57"></a>
+<span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.58"></a>
+<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos;<a name="line.59"></a>
+<span class="sourceLineNo">060</span><a name="line.60"></a>
+<span class="sourceLineNo">061</span>/**<a name="line.61"></a>
+<span class="sourceLineNo">062</span> * The context, and return value, for a single submit/submitAll call.<a name="line.62"></a>
+<span class="sourceLineNo">063</span> * Note on how this class (one AP submit) works. Initially, all requests are split into groups<a name="line.63"></a>
+<span class="sourceLineNo">064</span> * by server; request is sent to each server in parallel; the RPC calls are not async so a<a name="line.64"></a>
+<span class="sourceLineNo">065</span> * thread per server is used. Every time some actions fail, regions/locations might have<a name="line.65"></a>
+<span class="sourceLineNo">066</span> * changed, so we re-group them by server and region again and send these groups in parallel<a name="line.66"></a>
+<span class="sourceLineNo">067</span> * too. The result, in case of retries, is a "tree" of threads, with parent exiting after<a name="line.67"></a>
+<span class="sourceLineNo">068</span> * scheduling children. This is why lots of code doesn't require any synchronization.<a name="line.68"></a>
+<span class="sourceLineNo">069</span> */<a name="line.69"></a>
+<span class="sourceLineNo">070</span>@InterfaceAudience.Private<a name="line.70"></a>
+<span class="sourceLineNo">071</span>class AsyncRequestFutureImpl<CResult> implements AsyncRequestFuture {<a name="line.71"></a>
+<span class="sourceLineNo">072</span><a name="line.72"></a>
+<span class="sourceLineNo">073</span> private static final Logger LOG = LoggerFactory.getLogger(AsyncRequestFutureImpl.class);<a name="line.73"></a>
+<span class="sourceLineNo">074</span><a name="line.74"></a>
+<span class="sourceLineNo">075</span> private RetryingTimeTracker tracker;<a name="line.75"></a>
+<span class="sourceLineNo">076</span><a name="line.76"></a>
+<span class="sourceLineNo">077</span> /**<a name="line.77"></a>
+<span class="sourceLineNo">078</span> * Runnable (that can be submitted to thread pool) that waits for when it's time<a name="line.78"></a>
+<span class="sourceLineNo">079</span> * to issue replica calls, finds region replicas, groups the requests by replica and<a name="line.79"></a>
+<span class="sourceLineNo">080</span> * issues the calls (on separate threads, via sendMultiAction).<a name="line.80"></a>
+<span class="sourceLineNo">081</span> * This is done on a separate thread because we don't want to wait on user thread for<a name="line.81"></a>
+<span class="sourceLineNo">082</span> * our asynchronous call, and usually we have to wait before making replica calls.<a name="line.82"></a>
+<span class="sourceLineNo">083</span> */<a name="line.83"></a>
+<span class="sourceLineNo">084</span> private final class ReplicaCallIssuingRunnable implements Runnable {<a name="line.84"></a>
+<span class="sourceLineNo">085</span> private final long startTime;<a name="line.85"></a>
+<span class="sourceLineNo">086</span> private final List<Action> initialActions;<a name="line.86"></a>
+<span class="sourceLineNo">087</span><a name="line.87"></a>
+<span class="sourceLineNo">088</span> public ReplicaCallIssuingRunnable(List<Action> initialActions, long startTime) {<a name="line.88"></a>
+<span class="sourceLineNo">089</span> this.initialActions = initialActions;<a name="line.89"></a>
+<span class="sourceLineNo">090</span> this.startTime = startTime;<a name="line.90"></a>
+<span class="sourceLineNo">091</span> }<a name="line.91"></a>
+<span class="sourceLineNo">092</span><a name="line.92"></a>
+<span class="sourceLineNo">093</span> @Override<a name="line.93"></a>
+<span class="sourceLineNo">094</span> public void run() {<a name="line.94"></a>
+<span class="sourceLineNo">095</span> boolean done = false;<a name="line.95"></a>
+<span class="sourceLineNo">096</span> if (asyncProcess.primaryCallTimeoutMicroseconds > 0) {<a name="line.96"></a>
+<span class="sourceLineNo">097</span> try {<a name="line.97"></a>
+<span class="sourceLineNo">098</span> done = waitUntilDone(startTime * 1000L + asyncProcess.primaryCallTimeoutMicroseconds);<a name="line.98"></a>
+<span class="sourceLineNo">099</span> } catch (InterruptedException ex) {<a name="line.99"></a>
+<span class="sourceLineNo">100</span> LOG.error("Replica thread was interrupted - no replica calls: " + ex.getMessage());<a name="line.100"></a>
+<span class="sourceLineNo">101</span> return;<a name="line.101"></a>
+<span class="sourceLineNo">102</span> }<a name="line.102"></a>
+<span class="sourceLineNo">103</span> }<a name="line.103"></a>
+<span class="sourceLineNo">104</span> if (done) return; // Done within primary timeout<a name="line.104"></a>
+<span class="sourceLineNo">105</span> Map<ServerName, MultiAction> actionsByServer = new HashMap<>();<a name="line.105"></a>
+<span class="sourceLineNo">106</span> List<Action> unknownLocActions = new ArrayList<>();<a name="line.106"></a>
+<span class="sourceLineNo">107</span> if (replicaGetIndices == null) {<a name="line.107"></a>
+<span class="sourceLineNo">108</span> for (int i = 0; i < results.length; ++i) {<a name="line.108"></a>
+<span class="sourceLineNo">109</span> addReplicaActions(i, actionsByServer, unknownLocActions);<a name="line.109"></a>
+<span class="sourceLineNo">110</span> }<a name="line.110"></a>
+<span class="sourceLineNo">111</span> } else {<a name="line.111"></a>
+<span class="sourceLineNo">112</span> for (int replicaGetIndice : replicaGetIndices) {<a name="line.112"></a>
+<span class="sourceLineNo">113</span> addReplicaActions(replicaGetIndice, actionsByServer, unknownLocActions);<a name="line.113"></a>
+<span class="sourceLineNo">114</span> }<a name="line.114"></a>
+<span class="sourceLineNo">115</span> }<a name="line.115"></a>
+<span class="sourceLineNo">116</span> if (!actionsByServer.isEmpty()) {<a name="line.116"></a>
+<span class="sourceLineNo">117</span> sendMultiAction(actionsByServer, 1, null, unknownLocActions.isEmpty());<a name="line.117"></a>
+<span class="sourceLineNo">118</span> }<a name="line.118"></a>
+<span class="sourceLineNo">119</span> if (!unknownLocActions.isEmpty()) {<a name="line.119"></a>
+<span class="sourceLineNo">120</span> actionsByServer = new HashMap<>();<a name="line.120"></a>
+<span class="sourceLineNo">121</span> for (Action action : unknownLocActions) {<a name="line.121"></a>
+<span class="sourceLineNo">122</span> addReplicaActionsAgain(action, actionsByServer);<a name="line.122"></a>
+<span class="sourceLineNo">123</span> }<a name="line.123"></a>
+<span class="sourceLineNo">124</span> // Some actions may have completely failed, they are handled inside addAgain.<a name="line.124"></a>
+<span class="sourceLineNo">125</span> if (!actionsByServer.isEmpty()) {<a name="line.125"></a>
+<span class="sourceLineNo">126</span> sendMultiAction(actionsByServer, 1, null, true);<a name="line.126"></a>
+<span class="sourceLineNo">127</span> }<a name="line.127"></a>
+<span class="sourceLineNo">128</span> }<a name="line.128"></a>
+<span class="sourceLineNo">129</span> }<a name="line.129"></a>
+<span class="sourceLineNo">130</span><a name="line.130"></a>
+<span class="sourceLineNo">131</span> /**<a name="line.131"></a>
+<span class="sourceLineNo">132</span> * Add replica actions to action map by server.<a name="line.132"></a>
+<span class="sourceLineNo">133</span> * @param index Index of the original action.<a name="line.133"></a>
+<span class="sourceLineNo">134</span> * @param actionsByServer The map by server to add it to.<a name="line.134"></a>
+<span class="sourceLineNo">135</span> */<a name="line.135"></a>
+<span class="sourceLineNo">136</span> private void addReplicaActions(int index, Map<ServerName, MultiAction> actionsByServer,<a name="line.136"></a>
+<span class="sourceLineNo">137</span> List<Action> unknownReplicaActions) {<a name="line.137"></a>
+<span class="sourceLineNo">138</span> if (results[index] != null) return; // opportunistic. Never goes from non-null to null.<a name="line.138"></a>
+<span class="sourceLineNo">139</span> Action action = initialActions.get(index);<a name="line.139"></a>
+<span class="sourceLineNo">140</span> RegionLocations loc = findAllLocationsOrFail(action, true);<a name="line.140"></a>
+<span class="sourceLineNo">141</span> if (loc == null) return;<a name="line.141"></a>
+<span class="sourceLineNo">142</span> HRegionLocation[] locs = loc.getRegionLocations();<a name="line.142"></a>
+<span class="sourceLineNo">143</span> if (locs.length == 1) {<a name="line.143"></a>
+<span class="sourceLineNo">144</span> LOG.warn("No replicas found for " + action.getAction());<a name="line.144"></a>
+<span class="sourceLineNo">145</span> return;<a name="line.145"></a>
+<span class="sourceLineNo">146</span> }<a name="line.146"></a>
+<span class="sourceLineNo">147</span> synchronized (replicaResultLock) {<a name="line.147"></a>
+<span class="sourceLineNo">148</span> // Don't run replica calls if the original has finished. We could do it e.g. if<a name="line.148"></a>
+<span class="sourceLineNo">149</span> // original has already failed before first replica call (unlikely given retries),<a name="line.149"></a>
+<span class="sourceLineNo">150</span> // but that would require additional synchronization w.r.t. returning to caller.<a name="line.150"></a>
+<span class="sourceLineNo">151</span> if (results[index] != null) return;<a name="line.151"></a>
+<span class="sourceLineNo">152</span> // We set the number of calls here. After that any path must call setResult/setError.<a name="line.152"></a>
+<span class="sourceLineNo">153</span> // True even for replicas that are not found - if we refuse to send we MUST set error.<a name="line.153"></a>
+<span class="sourceLineNo">154</span> updateResult(index, new ReplicaResultState(locs.length));<a name="line.154"></a>
+<span class="sourceLineNo">155</span> }<a name="line.155"></a>
+<span class="sourceLineNo">156</span> for (int i = 1; i < locs.length; ++i) {<a name="line.156"></a>
+<span class="sourceLineNo">157</span> Action replicaAction = new Action(action, i);<a name="line.157"></a>
+<span class="sourceLineNo">158</span> if (locs[i] != null) {<a name="line.158"></a>
+<span class="sourceLineNo">159</span> asyncProcess.addAction(locs[i].getServerName(), locs[i].getRegionInfo().getRegionName(),<a name="line.159"></a>
+<span class="sourceLineNo">160</span> replicaAction, actionsByServer, nonceGroup);<a name="line.160"></a>
+<span class="sourceLineNo">161</span> } else {<a name="line.161"></a>
+<span class="sourceLineNo">162</span> unknownReplicaActions.add(replicaAction);<a name="line.162"></a>
+<span class="sourceLineNo">163</span> }<a name="line.163"></a>
+<span class="sourceLineNo">164</span> }<a name="line.164"></a>
+<span class="sourceLineNo">165</span> }<a name="line.165"></a>
+<span class="sourceLineNo">166</span><a name="line.166"></a>
+<span class="sourceLineNo">167</span> private void addReplicaActionsAgain(<a name="line.167"></a>
+<span class="sourceLineNo">168</span> Action action, Map<ServerName, MultiAction> actionsByServer) {<a name="line.168"></a>
+<span class="sourceLineNo">169</span> if (action.getReplicaId() == RegionReplicaUtil.DEFAULT_REPLICA_ID) {<a name="line.169"></a>
+<span class="sourceLineNo">170</span> throw new AssertionError("Cannot have default replica here");<a name="line.170"></a>
+<span class="sourceLineNo">171</span> }<a name="line.171"></a>
+<span class="sourceLineNo">172</span> HRegionLocation loc = getReplicaLocationOrFail(action);<a name="line.172"></a>
+<span class="sourceLineNo">173</span> if (loc == null) return;<a name="line.173"></a>
+<span class="sourceLineNo">174</span> asyncProcess.addAction(loc.getServerName(), loc.getRegionInfo().getRegionName(),<a name="line.174"></a>
+<span class="sourceLineNo">175</span> action, actionsByServer, nonceGroup);<a name="line.175"></a>
+<span class="sourceLineNo">176</span> }<a name="line.176"></a>
+<span class="sourceLineNo">177</span> }<a name="line.177"></a>
+<span class="sourceLineNo">178</span><a name="line.178"></a>
+<span class="sourceLineNo">179</span> /**<a name="line.179"></a>
+<span class="sourceLineNo">180</span> * Runnable (that can be submitted to thread pool) that submits MultiAction to a<a name="line.180"></a>
+<span class="sourceLineNo">181</span> * single server. The server call is synchronous, therefore we do it on a thread pool.<a name="line.181"></a>
+<span class="sourceLineNo">182</span> */<a name="line.182"></a>
+<span class="sourceLineNo">183</span> @VisibleForTesting<a name="line.183"></a>
+<span class="sourceLineNo">184</span> final class SingleServerRequestRunnable implements Runnable {<a name="line.184"></a>
+<span class="sourceLineNo">185</span> private final MultiAction multiAction;<a name="line.185"></a>
+<span class="sourceLineNo">186</span> private final int numAttempt;<a name="line.186"></a>
+<span class="sourceLineNo">187</span> private final ServerName server;<a name="line.187"></a>
+<span class="sourceLineNo">188</span> private final Set<CancellableRegionServerCallable> callsInProgress;<a name="line.188"></a>
+<span class="sourceLineNo">189</span> @VisibleForTesting<a name="line.189"></a>
+<span class="sourceLineNo">190</span> SingleServerRequestRunnable(<a name="line.190"></a>
+<span class="sourceLineNo">191</span> MultiAction multiAction, int numAttempt, ServerName server,<a name="line.191"></a>
+<span class="sourceLineNo">192</span> Set<CancellableRegionServerCallable> callsInProgress) {<a name="line.192"></a>
+<span class="sourceLineNo">193</span> this.multiAction = multiAction;<a name="line.193"></a>
+<span class="sourceLineNo">194</span> this.numAttempt = numAttempt;<a name="line.194"></a>
+<span class="sourceLineNo">195</span> this.server = server;<a name="line.195"></a>
+<span class="sourceLineNo">196</span> this.callsInProgress = callsInProgress;<a name="line.196"></a>
+<span class="sourceLineNo">197</span> }<a name="line.197"></a>
+<span class="sourceLineNo">198</span><a name="line.198"></a>
+<span class="sourceLineNo">199</span> @Override<a name="line.199"></a>
+<span class="sourceLineNo">200</span> public void run() {<a name="line.200"></a>
+<span class="sourceLineNo">201</span> AbstractResponse res = null;<a name="line.201"></a>
+<span class="sourceLineNo">202</span> CancellableRegionServerCallable callable = currentCallable;<a name="line.202"></a>
+<span class="sourceLineNo">203</span> try {<a name="line.203"></a>
+<span class="sourceLineNo">204</span> // setup the callable based on the actions, if we don't have one already from the request<a name="line.204"></a>
+<span class="sourceLineNo">205</span> if (callable == null) {<a name="line.205"></a>
+<span class="sourceLineNo">206</span> callable = createCallable(server, tableName, multiAction);<a name="line.206"></a>
+<span class="sourceLineNo">207</span> }<a name="line.207"></a>
+<span class="sourceLineNo">208</span> RpcRetryingCaller<AbstractResponse> caller = asyncProcess.createCaller(callable,rpcTimeout);<a name="line.208"></a>
+<span class="sourceLineNo">209</span> try {<a name="line.209"></a>
+<span class="sourceLineNo">210</span> if (callsInProgress != null) {<a name="line.210"></a>
+<span class="sourceLineNo">211</span> callsInProgress.add(callable);<a name="line.211"></a>
+<span class="sourceLineNo">212</span> }<a name="line.212"></a>
+<span class="sourceLineNo">213</span> res = caller.callWithoutRetries(callable, operationTimeout);<a name="line.213"></a>
+<span class="sourceLineNo">214</span> if (res == null) {<a name="line.214"></a>
+<span class="sourceLineNo">215</span> // Cancelled<a name="line.215"></a>
+<span class="sourceLineNo">216</span> return;<a name="line.216"></a>
+<span class="sourceLineNo">217</span> }<a name="line.217"></a>
+<span class="sourceLineNo">218</span> } catch (IOException e) {<a name="line.218"></a>
+<span class="sourceLineNo">219</span> // The service itself failed . It may be an error coming from the communication<a name="line.219"></a>
+<span class="sourceLineNo">220</span> // layer, but, as well, a functional error raised by the server.<a name="line.220"></a>
+<span class="sourceLineNo">221</span> receiveGlobalFailure(multiAction, server, numAttempt, e);<a name="line.221"></a>
+<span class="sourceLineNo">222</span> return;<a name="line.222"></a>
+<span class="sourceLineNo">223</span> } catch (Throwable t) {<a name="line.223"></a>
+<span class="sourceLineNo">224</span> // This should not happen. Let's log & retry anyway.<a name="line.224"></a>
+<span class="sourceLineNo">225</span> LOG.error("#" + asyncProcess.id + ", Caught throwable while calling. This is unexpected." +<a name="line.225"></a>
+<span class="sourceLineNo">226</span> " Retrying. Server is " + server + ", tableName=" + tableName, t);<a name="line.226"></a>
+<span class="sourceLineNo">227</span> receiveGlobalFailure(multiAction, server, numAttempt, t);<a name="line.227"></a>
+<span class="sourceLineNo">228</span> return;<a name="line.228"></a>
+<span class="sourceLineNo">229</span> }<a name="line.229"></a>
+<span class="sourceLineNo">230</span> if (res.type() == AbstractResponse.ResponseType.MULTI) {<a name="line.230"></a>
+<span class="sourceLineNo">231</span> // Normal case: we received an answer from the server, and it's not an exception.<a name="line.231"></a>
+<span class="sourceLineNo">232</span> receiveMultiAction(multiAction, server, (MultiResponse) res, numAttempt);<a name="line.232"></a>
+<span class="sourceLineNo">233</span> } else {<a name="line.233"></a>
+<span class="sourceLineNo">234</span> if (results != null) {<a name="line.234"></a>
+<span class="sourceLineNo">235</span> SingleResponse singleResponse = (SingleResponse) res;<a name="line.235"></a>
+<span class="sourceLineNo">236</span> updateResult(0, singleResponse.getEntry());<a name="line.236"></a>
+<span class="sourceLineNo">237</span> }<a name="line.237"></a>
+<span class="sourceLineNo">238</span> decActionCounter(1);<a name="line.238"></a>
+<span class="sourceLineNo">239</span> }<a name="line.239"></a>
+<span class="sourceLineNo">240</span> } catch (Throwable t) {<a name="line.240"></a>
+<span class="sourceLineNo">241</span> // Something really bad happened. We are on the send thread that will now die.<a name="line.241"></a>
+<span class="sourceLineNo">242</span> LOG.error("Internal AsyncProcess #" + asyncProcess.id + " error for "<a name="line.242"></a>
+<span class="sourceLineNo">243</span> + tableName + " processing for " + server, t);<a name="line.243"></a>
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+<span class="sourceLineNo">259</span><a name="line.259"></a>
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