Repository: hbase-site Updated Branches: refs/heads/asf-site 972a3c890 -> df8fd1d31
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/df8fd1d3/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/RegionReplicaReplicationEndpoint.RegionReplicaSinkWriter.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/RegionReplicaReplicationEndpoint.RegionReplicaSinkWriter.html b/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/RegionReplicaReplicationEndpoint.RegionReplicaSinkWriter.html index 3d7093a..9917ee8 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/RegionReplicaReplicationEndpoint.RegionReplicaSinkWriter.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/RegionReplicaReplicationEndpoint.RegionReplicaSinkWriter.html @@ -39,594 +39,612 @@ <span class="sourceLineNo">031</span>import java.util.concurrent.ThreadPoolExecutor;<a name="line.31"></a> <span class="sourceLineNo">032</span>import java.util.concurrent.TimeUnit;<a name="line.32"></a> <span class="sourceLineNo">033</span>import java.util.concurrent.atomic.AtomicLong;<a name="line.33"></a> -<span class="sourceLineNo">034</span><a name="line.34"></a> -<span class="sourceLineNo">035</span>import org.apache.hadoop.conf.Configuration;<a name="line.35"></a> -<span class="sourceLineNo">036</span>import org.apache.hadoop.fs.Path;<a name="line.36"></a> -<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.CellScanner;<a name="line.37"></a> -<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.CellUtil;<a name="line.38"></a> -<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.HBaseConfiguration;<a name="line.39"></a> -<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.HBaseIOException;<a name="line.40"></a> -<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.HConstants;<a name="line.41"></a> -<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.HRegionLocation;<a name="line.42"></a> -<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.RegionLocations;<a name="line.43"></a> -<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.TableDescriptors;<a name="line.44"></a> -<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.TableName;<a name="line.45"></a> -<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.TableNotFoundException;<a name="line.46"></a> -<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.client.ClusterConnection;<a name="line.47"></a> -<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.client.ConnectionFactory;<a name="line.48"></a> -<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.client.RegionAdminServiceCallable;<a name="line.49"></a> -<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.50"></a> -<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.client.RegionReplicaUtil;<a name="line.51"></a> -<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.client.RetryingCallable;<a name="line.52"></a> -<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.client.RpcRetryingCallerFactory;<a name="line.53"></a> -<span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.client.TableDescriptor;<a name="line.54"></a> -<span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.ipc.HBaseRpcController;<a name="line.55"></a> -<span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.ipc.RpcControllerFactory;<a name="line.56"></a> -<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.protobuf.ReplicationProtbufUtil;<a name="line.57"></a> -<span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.replication.HBaseReplicationEndpoint;<a name="line.58"></a> -<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.replication.WALEntryFilter;<a name="line.59"></a> -<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.60"></a> -<span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.61"></a> -<span class="sourceLineNo">062</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.62"></a> -<span class="sourceLineNo">063</span>import org.apache.hadoop.hbase.wal.WAL.Entry;<a name="line.63"></a> -<span class="sourceLineNo">064</span>import org.apache.hadoop.hbase.wal.WALSplitter.EntryBuffers;<a name="line.64"></a> -<span class="sourceLineNo">065</span>import org.apache.hadoop.hbase.wal.WALSplitter.OutputSink;<a name="line.65"></a> -<span class="sourceLineNo">066</span>import org.apache.hadoop.hbase.wal.WALSplitter.PipelineController;<a name="line.66"></a> -<span class="sourceLineNo">067</span>import org.apache.hadoop.hbase.wal.WALSplitter.RegionEntryBuffer;<a name="line.67"></a> -<span class="sourceLineNo">068</span>import org.apache.hadoop.hbase.wal.WALSplitter.SinkWriter;<a name="line.68"></a> -<span class="sourceLineNo">069</span>import org.apache.hadoop.util.StringUtils;<a name="line.69"></a> -<span class="sourceLineNo">070</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.70"></a> -<span class="sourceLineNo">071</span>import org.slf4j.Logger;<a name="line.71"></a> -<span class="sourceLineNo">072</span>import org.slf4j.LoggerFactory;<a name="line.72"></a> +<span class="sourceLineNo">034</span>import org.apache.hadoop.conf.Configuration;<a name="line.34"></a> +<span class="sourceLineNo">035</span>import org.apache.hadoop.fs.Path;<a name="line.35"></a> +<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.CellScanner;<a name="line.36"></a> +<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.CellUtil;<a name="line.37"></a> +<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.HBaseConfiguration;<a name="line.38"></a> +<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.HBaseIOException;<a name="line.39"></a> +<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.HConstants;<a name="line.40"></a> +<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.HRegionLocation;<a name="line.41"></a> +<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.RegionLocations;<a name="line.42"></a> +<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.TableDescriptors;<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.TableNotFoundException;<a name="line.45"></a> +<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.client.ClusterConnection;<a name="line.46"></a> +<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.client.ConnectionFactory;<a name="line.47"></a> +<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.client.RegionAdminServiceCallable;<a name="line.48"></a> +<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.49"></a> +<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.client.RegionReplicaUtil;<a name="line.50"></a> +<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.client.RetryingCallable;<a name="line.51"></a> +<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.client.RpcRetryingCallerFactory;<a name="line.52"></a> +<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.client.TableDescriptor;<a name="line.53"></a> +<span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.ipc.HBaseRpcController;<a name="line.54"></a> +<span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.ipc.RpcControllerFactory;<a name="line.55"></a> +<span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.protobuf.ReplicationProtbufUtil;<a name="line.56"></a> +<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.replication.HBaseReplicationEndpoint;<a name="line.57"></a> +<span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.replication.WALEntryFilter;<a name="line.58"></a> +<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.59"></a> +<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.60"></a> +<span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.61"></a> +<span class="sourceLineNo">062</span>import org.apache.hadoop.hbase.wal.WAL.Entry;<a name="line.62"></a> +<span class="sourceLineNo">063</span>import org.apache.hadoop.hbase.wal.WALSplitter.EntryBuffers;<a name="line.63"></a> +<span class="sourceLineNo">064</span>import org.apache.hadoop.hbase.wal.WALSplitter.OutputSink;<a name="line.64"></a> +<span class="sourceLineNo">065</span>import org.apache.hadoop.hbase.wal.WALSplitter.PipelineController;<a name="line.65"></a> +<span class="sourceLineNo">066</span>import org.apache.hadoop.hbase.wal.WALSplitter.RegionEntryBuffer;<a name="line.66"></a> +<span class="sourceLineNo">067</span>import org.apache.hadoop.hbase.wal.WALSplitter.SinkWriter;<a name="line.67"></a> +<span class="sourceLineNo">068</span>import org.apache.hadoop.util.StringUtils;<a name="line.68"></a> +<span class="sourceLineNo">069</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.69"></a> +<span class="sourceLineNo">070</span>import org.slf4j.Logger;<a name="line.70"></a> +<span class="sourceLineNo">071</span>import org.slf4j.LoggerFactory;<a name="line.71"></a> +<span class="sourceLineNo">072</span><a name="line.72"></a> <span class="sourceLineNo">073</span>import org.apache.hbase.thirdparty.com.google.common.cache.Cache;<a name="line.73"></a> <span class="sourceLineNo">074</span>import org.apache.hbase.thirdparty.com.google.common.cache.CacheBuilder;<a name="line.74"></a> -<span class="sourceLineNo">075</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos;<a name="line.75"></a> -<span class="sourceLineNo">076</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.ReplicateWALEntryResponse;<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> * A {@link org.apache.hadoop.hbase.replication.ReplicationEndpoint} endpoint<a name="line.79"></a> -<span class="sourceLineNo">080</span> * which receives the WAL edits from the WAL, and sends the edits to replicas<a name="line.80"></a> -<span class="sourceLineNo">081</span> * of regions.<a name="line.81"></a> -<span class="sourceLineNo">082</span> */<a name="line.82"></a> -<span class="sourceLineNo">083</span>@InterfaceAudience.Private<a name="line.83"></a> -<span class="sourceLineNo">084</span>public class RegionReplicaReplicationEndpoint extends HBaseReplicationEndpoint {<a name="line.84"></a> -<span class="sourceLineNo">085</span><a name="line.85"></a> -<span class="sourceLineNo">086</span> private static final Logger LOG = LoggerFactory.getLogger(RegionReplicaReplicationEndpoint.class);<a name="line.86"></a> -<span class="sourceLineNo">087</span><a name="line.87"></a> -<span class="sourceLineNo">088</span> // Can be configured differently than hbase.client.retries.number<a name="line.88"></a> -<span class="sourceLineNo">089</span> private static String CLIENT_RETRIES_NUMBER<a name="line.89"></a> -<span class="sourceLineNo">090</span> = "hbase.region.replica.replication.client.retries.number";<a name="line.90"></a> -<span class="sourceLineNo">091</span><a name="line.91"></a> -<span class="sourceLineNo">092</span> private Configuration conf;<a name="line.92"></a> -<span class="sourceLineNo">093</span> private ClusterConnection connection;<a name="line.93"></a> -<span class="sourceLineNo">094</span> private TableDescriptors tableDescriptors;<a name="line.94"></a> -<span class="sourceLineNo">095</span><a name="line.95"></a> -<span class="sourceLineNo">096</span> // Reuse WALSplitter constructs as a WAL pipe<a name="line.96"></a> -<span class="sourceLineNo">097</span> private PipelineController controller;<a name="line.97"></a> -<span class="sourceLineNo">098</span> private RegionReplicaOutputSink outputSink;<a name="line.98"></a> -<span class="sourceLineNo">099</span> private EntryBuffers entryBuffers;<a name="line.99"></a> -<span class="sourceLineNo">100</span><a name="line.100"></a> -<span class="sourceLineNo">101</span> // Number of writer threads<a name="line.101"></a> -<span class="sourceLineNo">102</span> private int numWriterThreads;<a name="line.102"></a> -<span class="sourceLineNo">103</span><a name="line.103"></a> -<span class="sourceLineNo">104</span> private int operationTimeout;<a name="line.104"></a> -<span class="sourceLineNo">105</span><a name="line.105"></a> -<span class="sourceLineNo">106</span> private ExecutorService pool;<a name="line.106"></a> -<span class="sourceLineNo">107</span><a name="line.107"></a> -<span class="sourceLineNo">108</span> @Override<a name="line.108"></a> -<span class="sourceLineNo">109</span> public void init(Context context) throws IOException {<a name="line.109"></a> -<span class="sourceLineNo">110</span> super.init(context);<a name="line.110"></a> -<span class="sourceLineNo">111</span><a name="line.111"></a> -<span class="sourceLineNo">112</span> this.conf = HBaseConfiguration.create(context.getConfiguration());<a name="line.112"></a> -<span class="sourceLineNo">113</span> this.tableDescriptors = context.getTableDescriptors();<a name="line.113"></a> -<span class="sourceLineNo">114</span><a name="line.114"></a> -<span class="sourceLineNo">115</span> // HRS multiplies client retries by 10 globally for meta operations, but we do not want this.<a name="line.115"></a> -<span class="sourceLineNo">116</span> // We are resetting it here because we want default number of retries (35) rather than 10 times<a name="line.116"></a> -<span class="sourceLineNo">117</span> // that which makes very long retries for disabled tables etc.<a name="line.117"></a> -<span class="sourceLineNo">118</span> int defaultNumRetries = conf.getInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER,<a name="line.118"></a> -<span class="sourceLineNo">119</span> HConstants.DEFAULT_HBASE_CLIENT_RETRIES_NUMBER);<a name="line.119"></a> -<span class="sourceLineNo">120</span> if (defaultNumRetries > 10) {<a name="line.120"></a> -<span class="sourceLineNo">121</span> int mult = conf.getInt(HConstants.HBASE_CLIENT_SERVERSIDE_RETRIES_MULTIPLIER,<a name="line.121"></a> -<span class="sourceLineNo">122</span> HConstants.DEFAULT_HBASE_CLIENT_SERVERSIDE_RETRIES_MULTIPLIER);<a name="line.122"></a> -<span class="sourceLineNo">123</span> defaultNumRetries = defaultNumRetries / mult; // reset if HRS has multiplied this already<a name="line.123"></a> -<span class="sourceLineNo">124</span> }<a name="line.124"></a> -<span class="sourceLineNo">125</span><a name="line.125"></a> -<span class="sourceLineNo">126</span> conf.setInt(HConstants.HBASE_CLIENT_SERVERSIDE_RETRIES_MULTIPLIER, 1);<a name="line.126"></a> -<span class="sourceLineNo">127</span> int numRetries = conf.getInt(CLIENT_RETRIES_NUMBER, defaultNumRetries);<a name="line.127"></a> -<span class="sourceLineNo">128</span> conf.setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, numRetries);<a name="line.128"></a> -<span class="sourceLineNo">129</span><a name="line.129"></a> -<span class="sourceLineNo">130</span> this.numWriterThreads = this.conf.getInt(<a name="line.130"></a> -<span class="sourceLineNo">131</span> "hbase.region.replica.replication.writer.threads", 3);<a name="line.131"></a> -<span class="sourceLineNo">132</span> controller = new PipelineController();<a name="line.132"></a> -<span class="sourceLineNo">133</span> entryBuffers = new EntryBuffers(controller,<a name="line.133"></a> -<span class="sourceLineNo">134</span> this.conf.getInt("hbase.region.replica.replication.buffersize",<a name="line.134"></a> -<span class="sourceLineNo">135</span> 128*1024*1024));<a name="line.135"></a> -<span class="sourceLineNo">136</span><a name="line.136"></a> -<span class="sourceLineNo">137</span> // use the regular RPC timeout for replica replication RPC's<a name="line.137"></a> -<span class="sourceLineNo">138</span> this.operationTimeout = conf.getInt(HConstants.HBASE_CLIENT_OPERATION_TIMEOUT,<a name="line.138"></a> -<span class="sourceLineNo">139</span> HConstants.DEFAULT_HBASE_CLIENT_OPERATION_TIMEOUT);<a name="line.139"></a> -<span class="sourceLineNo">140</span> }<a name="line.140"></a> -<span class="sourceLineNo">141</span><a name="line.141"></a> -<span class="sourceLineNo">142</span> @Override<a name="line.142"></a> -<span class="sourceLineNo">143</span> protected void doStart() {<a name="line.143"></a> -<span class="sourceLineNo">144</span> try {<a name="line.144"></a> -<span class="sourceLineNo">145</span> connection = (ClusterConnection) ConnectionFactory.createConnection(this.conf);<a name="line.145"></a> -<span class="sourceLineNo">146</span> this.pool = getDefaultThreadPool(conf);<a name="line.146"></a> -<span class="sourceLineNo">147</span> outputSink = new RegionReplicaOutputSink(controller, tableDescriptors, entryBuffers,<a name="line.147"></a> -<span class="sourceLineNo">148</span> connection, pool, numWriterThreads, operationTimeout);<a name="line.148"></a> -<span class="sourceLineNo">149</span> outputSink.startWriterThreads();<a name="line.149"></a> -<span class="sourceLineNo">150</span> super.doStart();<a name="line.150"></a> -<span class="sourceLineNo">151</span> } catch (IOException ex) {<a name="line.151"></a> -<span class="sourceLineNo">152</span> LOG.warn("Received exception while creating connection :" + ex);<a name="line.152"></a> -<span class="sourceLineNo">153</span> notifyFailed(ex);<a name="line.153"></a> -<span class="sourceLineNo">154</span> }<a name="line.154"></a> -<span class="sourceLineNo">155</span> }<a name="line.155"></a> -<span class="sourceLineNo">156</span><a name="line.156"></a> -<span class="sourceLineNo">157</span> @Override<a name="line.157"></a> -<span class="sourceLineNo">158</span> protected void doStop() {<a name="line.158"></a> -<span class="sourceLineNo">159</span> if (outputSink != null) {<a name="line.159"></a> -<span class="sourceLineNo">160</span> try {<a name="line.160"></a> -<span class="sourceLineNo">161</span> outputSink.finishWritingAndClose();<a name="line.161"></a> -<span class="sourceLineNo">162</span> } catch (IOException ex) {<a name="line.162"></a> -<span class="sourceLineNo">163</span> LOG.warn("Got exception while trying to close OutputSink", ex);<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> if (this.pool != null) {<a name="line.166"></a> -<span class="sourceLineNo">167</span> this.pool.shutdownNow();<a name="line.167"></a> -<span class="sourceLineNo">168</span> try {<a name="line.168"></a> -<span class="sourceLineNo">169</span> // wait for 10 sec<a name="line.169"></a> -<span class="sourceLineNo">170</span> boolean shutdown = this.pool.awaitTermination(10000, TimeUnit.MILLISECONDS);<a name="line.170"></a> -<span class="sourceLineNo">171</span> if (!shutdown) {<a name="line.171"></a> -<span class="sourceLineNo">172</span> LOG.warn("Failed to shutdown the thread pool after 10 seconds");<a name="line.172"></a> -<span class="sourceLineNo">173</span> }<a name="line.173"></a> -<span class="sourceLineNo">174</span> } catch (InterruptedException e) {<a name="line.174"></a> -<span class="sourceLineNo">175</span> LOG.warn("Got interrupted while waiting for the thread pool to shut down" + e);<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> if (connection != null) {<a name="line.178"></a> -<span class="sourceLineNo">179</span> try {<a name="line.179"></a> -<span class="sourceLineNo">180</span> connection.close();<a name="line.180"></a> -<span class="sourceLineNo">181</span> } catch (IOException ex) {<a name="line.181"></a> -<span class="sourceLineNo">182</span> LOG.warn("Got exception closing connection :" + ex);<a name="line.182"></a> -<span class="sourceLineNo">183</span> }<a name="line.183"></a> -<span class="sourceLineNo">184</span> }<a name="line.184"></a> -<span class="sourceLineNo">185</span> super.doStop();<a name="line.185"></a> -<span class="sourceLineNo">186</span> }<a name="line.186"></a> -<span class="sourceLineNo">187</span><a name="line.187"></a> -<span class="sourceLineNo">188</span> /**<a name="line.188"></a> -<span class="sourceLineNo">189</span> * Returns a Thread pool for the RPC's to region replicas. Similar to<a name="line.189"></a> -<span class="sourceLineNo">190</span> * Connection's thread pool.<a name="line.190"></a> -<span class="sourceLineNo">191</span> */<a name="line.191"></a> -<span class="sourceLineNo">192</span> private ExecutorService getDefaultThreadPool(Configuration conf) {<a name="line.192"></a> -<span class="sourceLineNo">193</span> int maxThreads = conf.getInt("hbase.region.replica.replication.threads.max", 256);<a name="line.193"></a> -<span class="sourceLineNo">194</span> if (maxThreads == 0) {<a name="line.194"></a> -<span class="sourceLineNo">195</span> maxThreads = Runtime.getRuntime().availableProcessors() * 8;<a name="line.195"></a> -<span class="sourceLineNo">196</span> }<a name="line.196"></a> -<span class="sourceLineNo">197</span> long keepAliveTime = conf.getLong("hbase.region.replica.replication.threads.keepalivetime", 60);<a name="line.197"></a> -<span class="sourceLineNo">198</span> LinkedBlockingQueue<Runnable> workQueue =<a name="line.198"></a> -<span class="sourceLineNo">199</span> new LinkedBlockingQueue<>(maxThreads *<a name="line.199"></a> -<span class="sourceLineNo">200</span> conf.getInt(HConstants.HBASE_CLIENT_MAX_TOTAL_TASKS,<a name="line.200"></a> -<span class="sourceLineNo">201</span> HConstants.DEFAULT_HBASE_CLIENT_MAX_TOTAL_TASKS));<a name="line.201"></a> -<span class="sourceLineNo">202</span> ThreadPoolExecutor tpe = new ThreadPoolExecutor(<a name="line.202"></a> -<span class="sourceLineNo">203</span> maxThreads,<a name="line.203"></a> +<span class="sourceLineNo">075</span><a name="line.75"></a> +<span class="sourceLineNo">076</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos;<a name="line.76"></a> +<span class="sourceLineNo">077</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.ReplicateWALEntryResponse;<a name="line.77"></a> +<span class="sourceLineNo">078</span><a name="line.78"></a> +<span class="sourceLineNo">079</span>/**<a name="line.79"></a> +<span class="sourceLineNo">080</span> * A {@link org.apache.hadoop.hbase.replication.ReplicationEndpoint} endpoint<a name="line.80"></a> +<span class="sourceLineNo">081</span> * which receives the WAL edits from the WAL, and sends the edits to replicas<a name="line.81"></a> +<span class="sourceLineNo">082</span> * of regions.<a name="line.82"></a> +<span class="sourceLineNo">083</span> */<a name="line.83"></a> +<span class="sourceLineNo">084</span>@InterfaceAudience.Private<a name="line.84"></a> +<span class="sourceLineNo">085</span>public class RegionReplicaReplicationEndpoint extends HBaseReplicationEndpoint {<a name="line.85"></a> +<span class="sourceLineNo">086</span><a name="line.86"></a> +<span class="sourceLineNo">087</span> private static final Logger LOG = LoggerFactory.getLogger(RegionReplicaReplicationEndpoint.class);<a name="line.87"></a> +<span class="sourceLineNo">088</span><a name="line.88"></a> +<span class="sourceLineNo">089</span> // Can be configured differently than hbase.client.retries.number<a name="line.89"></a> +<span class="sourceLineNo">090</span> private static String CLIENT_RETRIES_NUMBER<a name="line.90"></a> +<span class="sourceLineNo">091</span> = "hbase.region.replica.replication.client.retries.number";<a name="line.91"></a> +<span class="sourceLineNo">092</span><a name="line.92"></a> +<span class="sourceLineNo">093</span> private Configuration conf;<a name="line.93"></a> +<span class="sourceLineNo">094</span> private ClusterConnection connection;<a name="line.94"></a> +<span class="sourceLineNo">095</span> private TableDescriptors tableDescriptors;<a name="line.95"></a> +<span class="sourceLineNo">096</span><a name="line.96"></a> +<span class="sourceLineNo">097</span> // Reuse WALSplitter constructs as a WAL pipe<a name="line.97"></a> +<span class="sourceLineNo">098</span> private PipelineController controller;<a name="line.98"></a> +<span class="sourceLineNo">099</span> private RegionReplicaOutputSink outputSink;<a name="line.99"></a> +<span class="sourceLineNo">100</span> private EntryBuffers entryBuffers;<a name="line.100"></a> +<span class="sourceLineNo">101</span><a name="line.101"></a> +<span class="sourceLineNo">102</span> // Number of writer threads<a name="line.102"></a> +<span class="sourceLineNo">103</span> private int numWriterThreads;<a name="line.103"></a> +<span class="sourceLineNo">104</span><a name="line.104"></a> +<span class="sourceLineNo">105</span> private int operationTimeout;<a name="line.105"></a> +<span class="sourceLineNo">106</span><a name="line.106"></a> +<span class="sourceLineNo">107</span> private ExecutorService pool;<a name="line.107"></a> +<span class="sourceLineNo">108</span><a name="line.108"></a> +<span class="sourceLineNo">109</span> @Override<a name="line.109"></a> +<span class="sourceLineNo">110</span> public void init(Context context) throws IOException {<a name="line.110"></a> +<span class="sourceLineNo">111</span> super.init(context);<a name="line.111"></a> +<span class="sourceLineNo">112</span><a name="line.112"></a> +<span class="sourceLineNo">113</span> this.conf = HBaseConfiguration.create(context.getConfiguration());<a name="line.113"></a> +<span class="sourceLineNo">114</span> this.tableDescriptors = context.getTableDescriptors();<a name="line.114"></a> +<span class="sourceLineNo">115</span><a name="line.115"></a> +<span class="sourceLineNo">116</span> // HRS multiplies client retries by 10 globally for meta operations, but we do not want this.<a name="line.116"></a> +<span class="sourceLineNo">117</span> // We are resetting it here because we want default number of retries (35) rather than 10 times<a name="line.117"></a> +<span class="sourceLineNo">118</span> // that which makes very long retries for disabled tables etc.<a name="line.118"></a> +<span class="sourceLineNo">119</span> int defaultNumRetries = conf.getInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER,<a name="line.119"></a> +<span class="sourceLineNo">120</span> HConstants.DEFAULT_HBASE_CLIENT_RETRIES_NUMBER);<a name="line.120"></a> +<span class="sourceLineNo">121</span> if (defaultNumRetries > 10) {<a name="line.121"></a> +<span class="sourceLineNo">122</span> int mult = conf.getInt(HConstants.HBASE_CLIENT_SERVERSIDE_RETRIES_MULTIPLIER,<a name="line.122"></a> +<span class="sourceLineNo">123</span> HConstants.DEFAULT_HBASE_CLIENT_SERVERSIDE_RETRIES_MULTIPLIER);<a name="line.123"></a> +<span class="sourceLineNo">124</span> defaultNumRetries = defaultNumRetries / mult; // reset if HRS has multiplied this already<a name="line.124"></a> +<span class="sourceLineNo">125</span> }<a name="line.125"></a> +<span class="sourceLineNo">126</span><a name="line.126"></a> +<span class="sourceLineNo">127</span> conf.setInt(HConstants.HBASE_CLIENT_SERVERSIDE_RETRIES_MULTIPLIER, 1);<a name="line.127"></a> +<span class="sourceLineNo">128</span> int numRetries = conf.getInt(CLIENT_RETRIES_NUMBER, defaultNumRetries);<a name="line.128"></a> +<span class="sourceLineNo">129</span> conf.setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, numRetries);<a name="line.129"></a> +<span class="sourceLineNo">130</span><a name="line.130"></a> +<span class="sourceLineNo">131</span> this.numWriterThreads = this.conf.getInt(<a name="line.131"></a> +<span class="sourceLineNo">132</span> "hbase.region.replica.replication.writer.threads", 3);<a name="line.132"></a> +<span class="sourceLineNo">133</span> controller = new PipelineController();<a name="line.133"></a> +<span class="sourceLineNo">134</span> entryBuffers = new EntryBuffers(controller,<a name="line.134"></a> +<span class="sourceLineNo">135</span> this.conf.getInt("hbase.region.replica.replication.buffersize",<a name="line.135"></a> +<span class="sourceLineNo">136</span> 128*1024*1024));<a name="line.136"></a> +<span class="sourceLineNo">137</span><a name="line.137"></a> +<span class="sourceLineNo">138</span> // use the regular RPC timeout for replica replication RPC's<a name="line.138"></a> +<span class="sourceLineNo">139</span> this.operationTimeout = conf.getInt(HConstants.HBASE_CLIENT_OPERATION_TIMEOUT,<a name="line.139"></a> +<span class="sourceLineNo">140</span> HConstants.DEFAULT_HBASE_CLIENT_OPERATION_TIMEOUT);<a name="line.140"></a> +<span class="sourceLineNo">141</span> }<a name="line.141"></a> +<span class="sourceLineNo">142</span><a name="line.142"></a> +<span class="sourceLineNo">143</span> @Override<a name="line.143"></a> +<span class="sourceLineNo">144</span> protected void doStart() {<a name="line.144"></a> +<span class="sourceLineNo">145</span> try {<a name="line.145"></a> +<span class="sourceLineNo">146</span> connection = (ClusterConnection) ConnectionFactory.createConnection(this.conf);<a name="line.146"></a> +<span class="sourceLineNo">147</span> this.pool = getDefaultThreadPool(conf);<a name="line.147"></a> +<span class="sourceLineNo">148</span> outputSink = new RegionReplicaOutputSink(controller, tableDescriptors, entryBuffers,<a name="line.148"></a> +<span class="sourceLineNo">149</span> connection, pool, numWriterThreads, operationTimeout);<a name="line.149"></a> +<span class="sourceLineNo">150</span> outputSink.startWriterThreads();<a name="line.150"></a> +<span class="sourceLineNo">151</span> super.doStart();<a name="line.151"></a> +<span class="sourceLineNo">152</span> } catch (IOException ex) {<a name="line.152"></a> +<span class="sourceLineNo">153</span> LOG.warn("Received exception while creating connection :" + ex);<a name="line.153"></a> +<span class="sourceLineNo">154</span> notifyFailed(ex);<a name="line.154"></a> +<span class="sourceLineNo">155</span> }<a name="line.155"></a> +<span class="sourceLineNo">156</span> }<a name="line.156"></a> +<span class="sourceLineNo">157</span><a name="line.157"></a> +<span class="sourceLineNo">158</span> @Override<a name="line.158"></a> +<span class="sourceLineNo">159</span> protected void doStop() {<a name="line.159"></a> +<span class="sourceLineNo">160</span> if (outputSink != null) {<a name="line.160"></a> +<span class="sourceLineNo">161</span> try {<a name="line.161"></a> +<span class="sourceLineNo">162</span> outputSink.finishWritingAndClose();<a name="line.162"></a> +<span class="sourceLineNo">163</span> } catch (IOException ex) {<a name="line.163"></a> +<span class="sourceLineNo">164</span> LOG.warn("Got exception while trying to close OutputSink", ex);<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> if (this.pool != null) {<a name="line.167"></a> +<span class="sourceLineNo">168</span> this.pool.shutdownNow();<a name="line.168"></a> +<span class="sourceLineNo">169</span> try {<a name="line.169"></a> +<span class="sourceLineNo">170</span> // wait for 10 sec<a name="line.170"></a> +<span class="sourceLineNo">171</span> boolean shutdown = this.pool.awaitTermination(10000, TimeUnit.MILLISECONDS);<a name="line.171"></a> +<span class="sourceLineNo">172</span> if (!shutdown) {<a name="line.172"></a> +<span class="sourceLineNo">173</span> LOG.warn("Failed to shutdown the thread pool after 10 seconds");<a name="line.173"></a> +<span class="sourceLineNo">174</span> }<a name="line.174"></a> +<span class="sourceLineNo">175</span> } catch (InterruptedException e) {<a name="line.175"></a> +<span class="sourceLineNo">176</span> LOG.warn("Got interrupted while waiting for the thread pool to shut down" + e);<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> if (connection != null) {<a name="line.179"></a> +<span class="sourceLineNo">180</span> try {<a name="line.180"></a> +<span class="sourceLineNo">181</span> connection.close();<a name="line.181"></a> +<span class="sourceLineNo">182</span> } catch (IOException ex) {<a name="line.182"></a> +<span class="sourceLineNo">183</span> LOG.warn("Got exception closing connection :" + ex);<a name="line.183"></a> +<span class="sourceLineNo">184</span> }<a name="line.184"></a> +<span class="sourceLineNo">185</span> }<a name="line.185"></a> +<span class="sourceLineNo">186</span> super.doStop();<a name="line.186"></a> +<span class="sourceLineNo">187</span> }<a name="line.187"></a> +<span class="sourceLineNo">188</span><a name="line.188"></a> +<span class="sourceLineNo">189</span> /**<a name="line.189"></a> +<span class="sourceLineNo">190</span> * Returns a Thread pool for the RPC's to region replicas. Similar to<a name="line.190"></a> +<span class="sourceLineNo">191</span> * Connection's thread pool.<a name="line.191"></a> +<span class="sourceLineNo">192</span> */<a name="line.192"></a> +<span class="sourceLineNo">193</span> private ExecutorService getDefaultThreadPool(Configuration conf) {<a name="line.193"></a> +<span class="sourceLineNo">194</span> int maxThreads = conf.getInt("hbase.region.replica.replication.threads.max", 256);<a name="line.194"></a> +<span class="sourceLineNo">195</span> if (maxThreads == 0) {<a name="line.195"></a> +<span class="sourceLineNo">196</span> maxThreads = Runtime.getRuntime().availableProcessors() * 8;<a name="line.196"></a> +<span class="sourceLineNo">197</span> }<a name="line.197"></a> +<span class="sourceLineNo">198</span> long keepAliveTime = conf.getLong("hbase.region.replica.replication.threads.keepalivetime", 60);<a name="line.198"></a> +<span class="sourceLineNo">199</span> LinkedBlockingQueue<Runnable> workQueue =<a name="line.199"></a> +<span class="sourceLineNo">200</span> new LinkedBlockingQueue<>(maxThreads *<a name="line.200"></a> +<span class="sourceLineNo">201</span> conf.getInt(HConstants.HBASE_CLIENT_MAX_TOTAL_TASKS,<a name="line.201"></a> +<span class="sourceLineNo">202</span> HConstants.DEFAULT_HBASE_CLIENT_MAX_TOTAL_TASKS));<a name="line.202"></a> +<span class="sourceLineNo">203</span> ThreadPoolExecutor tpe = new ThreadPoolExecutor(<a name="line.203"></a> <span class="sourceLineNo">204</span> maxThreads,<a name="line.204"></a> -<span class="sourceLineNo">205</span> keepAliveTime,<a name="line.205"></a> -<span class="sourceLineNo">206</span> TimeUnit.SECONDS,<a name="line.206"></a> -<span class="sourceLineNo">207</span> workQueue,<a name="line.207"></a> -<span class="sourceLineNo">208</span> Threads.newDaemonThreadFactory(this.getClass().getSimpleName() + "-rpc-shared-"));<a name="line.208"></a> -<span class="sourceLineNo">209</span> tpe.allowCoreThreadTimeOut(true);<a name="line.209"></a> -<span class="sourceLineNo">210</span> return tpe;<a name="line.210"></a> -<span class="sourceLineNo">211</span> }<a name="line.211"></a> -<span class="sourceLineNo">212</span><a name="line.212"></a> -<span class="sourceLineNo">213</span> @Override<a name="line.213"></a> -<span class="sourceLineNo">214</span> public boolean replicate(ReplicateContext replicateContext) {<a name="line.214"></a> -<span class="sourceLineNo">215</span> /* A note on batching in RegionReplicaReplicationEndpoint (RRRE):<a name="line.215"></a> -<span class="sourceLineNo">216</span> *<a name="line.216"></a> -<span class="sourceLineNo">217</span> * RRRE relies on batching from two different mechanisms. The first is the batching from<a name="line.217"></a> -<span class="sourceLineNo">218</span> * ReplicationSource since RRRE is a ReplicationEndpoint driven by RS. RS reads from a single<a name="line.218"></a> -<span class="sourceLineNo">219</span> * WAL file filling up a buffer of heap size "replication.source.size.capacity"(64MB) or at most<a name="line.219"></a> -<span class="sourceLineNo">220</span> * "replication.source.nb.capacity" entries or until it sees the end of file (in live tailing).<a name="line.220"></a> -<span class="sourceLineNo">221</span> * Then RS passes all the buffered edits in this replicate() call context. RRRE puts the edits<a name="line.221"></a> -<span class="sourceLineNo">222</span> * to the WALSplitter.EntryBuffers which is a blocking buffer space of up to<a name="line.222"></a> -<span class="sourceLineNo">223</span> * "hbase.region.replica.replication.buffersize" (128MB) in size. This buffer splits the edits<a name="line.223"></a> -<span class="sourceLineNo">224</span> * based on regions.<a name="line.224"></a> -<span class="sourceLineNo">225</span> *<a name="line.225"></a> -<span class="sourceLineNo">226</span> * There are "hbase.region.replica.replication.writer.threads"(default 3) writer threads which<a name="line.226"></a> -<span class="sourceLineNo">227</span> * pick largest per-region buffer and send it to the SinkWriter (see RegionReplicaOutputSink).<a name="line.227"></a> -<span class="sourceLineNo">228</span> * The SinkWriter in this case will send the wal edits to all secondary region replicas in<a name="line.228"></a> -<span class="sourceLineNo">229</span> * parallel via a retrying rpc call. EntryBuffers guarantees that while a buffer is<a name="line.229"></a> -<span class="sourceLineNo">230</span> * being written to the sink, another buffer for the same region will not be made available to<a name="line.230"></a> -<span class="sourceLineNo">231</span> * writers ensuring regions edits are not replayed out of order.<a name="line.231"></a> -<span class="sourceLineNo">232</span> *<a name="line.232"></a> -<span class="sourceLineNo">233</span> * The replicate() call won't return until all the buffers are sent and ack'd by the sinks so<a name="line.233"></a> -<span class="sourceLineNo">234</span> * that the replication can assume all edits are persisted. We may be able to do a better<a name="line.234"></a> -<span class="sourceLineNo">235</span> * pipelining between the replication thread and output sinks later if it becomes a bottleneck.<a name="line.235"></a> -<span class="sourceLineNo">236</span> */<a name="line.236"></a> -<span class="sourceLineNo">237</span><a name="line.237"></a> -<span class="sourceLineNo">238</span> while (this.isRunning()) {<a name="line.238"></a> -<span class="sourceLineNo">239</span> try {<a name="line.239"></a> -<span class="sourceLineNo">240</span> for (Entry entry: replicateContext.getEntries()) {<a name="line.240"></a> -<span class="sourceLineNo">241</span> entryBuffers.appendEntry(entry);<a name="line.241"></a> -<span class="sourceLineNo">242</span> }<a name="line.242"></a> -<span class="sourceLineNo">243</span> outputSink.flush(); // make sure everything is flushed<a name="line.243"></a> -<span class="sourceLineNo">244</span> ctx.getMetrics().incrLogEditsFiltered(<a name="line.244"></a> -<span class="sourceLineNo">245</span> outputSink.getSkippedEditsCounter().getAndSet(0));<a name="line.245"></a> -<span class="sourceLineNo">246</span> return true;<a name="line.246"></a> -<span class="sourceLineNo">247</span> } catch (InterruptedException e) {<a name="line.247"></a> -<span class="sourceLineNo">248</span> Thread.currentThread().interrupt();<a name="line.248"></a> -<span class="sourceLineNo">249</span> return false;<a name="line.249"></a> -<span class="sourceLineNo">250</span> } catch (IOException e) {<a name="line.250"></a> -<span class="sourceLineNo">251</span> LOG.warn("Received IOException while trying to replicate"<a name="line.251"></a> -<span class="sourceLineNo">252</span> + StringUtils.stringifyException(e));<a name="line.252"></a> -<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><a name="line.255"></a> -<span class="sourceLineNo">256</span> return false;<a name="line.256"></a> -<span class="sourceLineNo">257</span> }<a name="line.257"></a> -<span class="sourceLineNo">258</span><a name="line.258"></a> -<span class="sourceLineNo">259</span> @Override<a name="line.259"></a> -<span class="sourceLineNo">260</span> public boolean canReplicateToSameCluster() {<a name="line.260"></a> -<span class="sourceLineNo">261</span> return true;<a name="line.261"></a> -<span class="sourceLineNo">262</span> }<a name="line.262"></a> -<span class="sourceLineNo">263</span><a name="line.263"></a> -<span class="sourceLineNo">264</span> @Override<a name="line.264"></a> -<span class="sourceLineNo">265</span> protected WALEntryFilter getScopeWALEntryFilter() {<a name="line.265"></a> -<span class="sourceLineNo">266</span> // we do not care about scope. We replicate everything.<a name="line.266"></a> -<span class="sourceLineNo">267</span> return null;<a name="line.267"></a> -<span class="sourceLineNo">268</span> }<a name="line.268"></a> -<span class="sourceLineNo">269</span><a name="line.269"></a> -<span class="sourceLineNo">270</span> static class RegionReplicaOutputSink extends OutputSink {<a name="line.270"></a> -<span class="sourceLineNo">271</span> private final RegionReplicaSinkWriter sinkWriter;<a name="line.271"></a> -<span class="sourceLineNo">272</span> private final TableDescriptors tableDescriptors;<a name="line.272"></a> -<span class="sourceLineNo">273</span> private final Cache<TableName, Boolean> memstoreReplicationEnabled;<a name="line.273"></a> -<span class="sourceLineNo">274</span><a name="line.274"></a> -<span class="sourceLineNo">275</span> public RegionReplicaOutputSink(PipelineController controller, TableDescriptors tableDescriptors,<a name="line.275"></a> -<span class="sourceLineNo">276</span> EntryBuffers entryBuffers, ClusterConnection connection, ExecutorService pool,<a name="line.276"></a> -<span class="sourceLineNo">277</span> int numWriters, int operationTimeout) {<a name="line.277"></a> -<span class="sourceLineNo">278</span> super(controller, entryBuffers, numWriters);<a name="line.278"></a> -<span class="sourceLineNo">279</span> this.sinkWriter = new RegionReplicaSinkWriter(this, connection, pool, operationTimeout);<a name="line.279"></a> -<span class="sourceLineNo">280</span> this.tableDescriptors = tableDescriptors;<a name="line.280"></a> -<span class="sourceLineNo">281</span><a name="line.281"></a> -<span class="sourceLineNo">282</span> // A cache for the table "memstore replication enabled" flag.<a name="line.282"></a> -<span class="sourceLineNo">283</span> // It has a default expiry of 5 sec. This means that if the table is altered<a name="line.283"></a> -<span class="sourceLineNo">284</span> // with a different flag value, we might miss to replicate for that amount of<a name="line.284"></a> -<span class="sourceLineNo">285</span> // time. But this cache avoid the slow lookup and parsing of the TableDescriptor.<a name="line.285"></a> -<span class="sourceLineNo">286</span> int memstoreReplicationEnabledCacheExpiryMs = connection.getConfiguration()<a name="line.286"></a> -<span class="sourceLineNo">287</span> .getInt("hbase.region.replica.replication.cache.memstoreReplicationEnabled.expiryMs", 5000);<a name="line.287"></a> -<span class="sourceLineNo">288</span> this.memstoreReplicationEnabled = CacheBuilder.newBuilder()<a name="line.288"></a> -<span class="sourceLineNo">289</span> .expireAfterWrite(memstoreReplicationEnabledCacheExpiryMs, TimeUnit.MILLISECONDS)<a name="line.289"></a> -<span class="sourceLineNo">290</span> .initialCapacity(10)<a name="line.290"></a> -<span class="sourceLineNo">291</span> .maximumSize(1000)<a name="line.291"></a> -<span class="sourceLineNo">292</span> .build();<a name="line.292"></a> -<span class="sourceLineNo">293</span> }<a name="line.293"></a> -<span class="sourceLineNo">294</span><a name="line.294"></a> -<span class="sourceLineNo">295</span> @Override<a name="line.295"></a> -<span class="sourceLineNo">296</span> public void append(RegionEntryBuffer buffer) throws IOException {<a name="line.296"></a> -<span class="sourceLineNo">297</span> List<Entry> entries = buffer.getEntryBuffer();<a name="line.297"></a> -<span class="sourceLineNo">298</span><a name="line.298"></a> -<span class="sourceLineNo">299</span> if (entries.isEmpty() || entries.get(0).getEdit().getCells().isEmpty()) {<a name="line.299"></a> -<span class="sourceLineNo">300</span> return;<a name="line.300"></a> -<span class="sourceLineNo">301</span> }<a name="line.301"></a> -<span class="sourceLineNo">302</span><a name="line.302"></a> -<span class="sourceLineNo">303</span> // meta edits (e.g. flush) are always replicated.<a name="line.303"></a> -<span class="sourceLineNo">304</span> // data edits (e.g. put) are replicated if the table requires them.<a name="line.304"></a> -<span class="sourceLineNo">305</span> if (!requiresReplication(buffer.getTableName(), entries)) {<a name="line.305"></a> -<span class="sourceLineNo">306</span> return;<a name="line.306"></a> -<span class="sourceLineNo">307</span> }<a name="line.307"></a> -<span class="sourceLineNo">308</span><a name="line.308"></a> -<span class="sourceLineNo">309</span> sinkWriter.append(buffer.getTableName(), buffer.getEncodedRegionName(),<a name="line.309"></a> -<span class="sourceLineNo">310</span> CellUtil.cloneRow(entries.get(0).getEdit().getCells().get(0)), entries);<a name="line.310"></a> -<span class="sourceLineNo">311</span> }<a name="line.311"></a> -<span class="sourceLineNo">312</span><a name="line.312"></a> -<span class="sourceLineNo">313</span> @Override<a name="line.313"></a> -<span class="sourceLineNo">314</span> public boolean flush() throws IOException {<a name="line.314"></a> -<span class="sourceLineNo">315</span> // nothing much to do for now. Wait for the Writer threads to finish up<a name="line.315"></a> -<span class="sourceLineNo">316</span> // append()'ing the data.<a name="line.316"></a> -<span class="sourceLineNo">317</span> entryBuffers.waitUntilDrained();<a name="line.317"></a> -<span class="sourceLineNo">318</span> return super.flush();<a name="line.318"></a> -<span class="sourceLineNo">319</span> }<a name="line.319"></a> -<span class="sourceLineNo">320</span><a name="line.320"></a> -<span class="sourceLineNo">321</span> @Override<a name="line.321"></a> -<span class="sourceLineNo">322</span> public boolean keepRegionEvent(Entry entry) {<a name="line.322"></a> -<span class="sourceLineNo">323</span> return true;<a name="line.323"></a> -<span class="sourceLineNo">324</span> }<a name="line.324"></a> -<span class="sourceLineNo">325</span><a name="line.325"></a> -<span class="sourceLineNo">326</span> @Override<a name="line.326"></a> -<span class="sourceLineNo">327</span> public List<Path> finishWritingAndClose() throws 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class="sourceLineNo">340</span> }<a name="line.340"></a> -<span class="sourceLineNo">341</span><a name="line.341"></a> -<span class="sourceLineNo">342</span> AtomicLong getSkippedEditsCounter() {<a name="line.342"></a> -<span class="sourceLineNo">343</span> return skippedEdits;<a name="line.343"></a> -<span class="sourceLineNo">344</span> }<a name="line.344"></a> -<span class="sourceLineNo">345</span><a name="line.345"></a> -<span class="sourceLineNo">346</span> /**<a name="line.346"></a> -<span class="sourceLineNo">347</span> * returns true if the specified entry must be replicated.<a name="line.347"></a> -<span class="sourceLineNo">348</span> * We should always replicate meta operations (e.g. flush)<a name="line.348"></a> -<span class="sourceLineNo">349</span> * and use the user HTD flag to decide whether or not replicate the memstore.<a name="line.349"></a> -<span class="sourceLineNo">350</span> */<a name="line.350"></a> -<span class="sourceLineNo">351</span> private boolean 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-<span class="sourceLineNo">360</span> TableDescriptor htd = tableDescriptors.get(tableName);<a name="line.360"></a> -<span class="sourceLineNo">361</span> requiresReplication = htd == null || htd.hasRegionMemStoreReplication();<a name="line.361"></a> -<span class="sourceLineNo">362</span> memstoreReplicationEnabled.put(tableName, requiresReplication);<a name="line.362"></a> -<span class="sourceLineNo">363</span> }<a name="line.363"></a> -<span class="sourceLineNo">364</span><a name="line.364"></a> -<span class="sourceLineNo">365</span> // if memstore replication is not required, check the entries.<a name="line.365"></a> -<span class="sourceLineNo">366</span> // meta edits (e.g. flush) must be always replicated.<a name="line.366"></a> -<span class="sourceLineNo">367</span> if (!requiresReplication) {<a name="line.367"></a> -<span class="sourceLineNo">368</span> int skipEdits = 0;<a name="line.368"></a> -<span class="sourceLineNo">369</span> java.util.Iterator<Entry> it = entries.iterator();<a name="line.369"></a> -<span class="sourceLineNo">370</span> while (it.hasNext()) {<a name="line.370"></a> -<span class="sourceLineNo">371</span> Entry entry = it.next();<a name="line.371"></a> -<span class="sourceLineNo">372</span> if (entry.getEdit().isMetaEdit()) {<a name="line.372"></a> -<span class="sourceLineNo">373</span> requiresReplication = true;<a name="line.373"></a> -<span class="sourceLineNo">374</span> } else {<a name="line.374"></a> -<span class="sourceLineNo">375</span> it.remove();<a name="line.375"></a> -<span class="sourceLineNo">376</span> skipEdits++;<a name="line.376"></a> -<span class="sourceLineNo">377</span> }<a name="line.377"></a> -<span class="sourceLineNo">378</span> }<a name="line.378"></a> -<span class="sourceLineNo">379</span> skippedEdits.addAndGet(skipEdits);<a name="line.379"></a> -<span class="sourceLineNo">380</span> }<a name="line.380"></a> -<span class="sourceLineNo">381</span> return requiresReplication;<a 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This buffer splits the edits<a name="line.224"></a> +<span class="sourceLineNo">225</span> * based on regions.<a name="line.225"></a> +<span class="sourceLineNo">226</span> *<a name="line.226"></a> +<span class="sourceLineNo">227</span> * There are "hbase.region.replica.replication.writer.threads"(default 3) writer threads which<a name="line.227"></a> +<span class="sourceLineNo">228</span> * pick largest per-region buffer and send it to the SinkWriter (see RegionReplicaOutputSink).<a name="line.228"></a> +<span class="sourceLineNo">229</span> * The SinkWriter in this case will send the wal edits to all secondary region replicas in<a name="line.229"></a> +<span class="sourceLineNo">230</span> * parallel via a retrying rpc call. EntryBuffers guarantees that while a buffer is<a name="line.230"></a> +<span class="sourceLineNo">231</span> * being written to the sink, another buffer for the same region will not be made available to<a name="line.231"></a> +<span class="sourceLineNo">232</span> * writers ensuring regions edits are not replayed out of order.<a name="line.232"></a> +<span class="sourceLineNo">233</span> *<a name="line.233"></a> +<span class="sourceLineNo">234</span> * The replicate() call won't return until all the buffers are sent and ack'd by the sinks so<a name="line.234"></a> +<span class="sourceLineNo">235</span> * that the replication can assume all edits are persisted. We may be able to do a better<a name="line.235"></a> +<span class="sourceLineNo">236</span> * pipelining between the replication thread and output sinks later if it becomes a bottleneck.<a name="line.236"></a> +<span class="sourceLineNo">237</span> */<a name="line.237"></a> +<span class="sourceLineNo">238</span><a name="line.238"></a> +<span class="sourceLineNo">239</span> while (this.isRunning()) {<a name="line.239"></a> +<span class="sourceLineNo">240</span> try {<a name="line.240"></a> +<span class="sourceLineNo">241</span> for (Entry entry: replicateContext.getEntries()) {<a name="line.241"></a> +<span class="sourceLineNo">242</span> entryBuffers.appendEntry(entry);<a name="line.242"></a> +<span class="sourceLineNo">243</span> }<a name="line.243"></a> +<span class="sourceLineNo">244</span> outputSink.flush(); // make sure everything is flushed<a name="line.244"></a> +<span class="sourceLineNo">245</span> ctx.getMetrics().incrLogEditsFiltered(<a name="line.245"></a> +<span class="sourceLineNo">246</span> outputSink.getSkippedEditsCounter().getAndSet(0));<a name="line.246"></a> +<span class="sourceLineNo">247</span> return true;<a name="line.247"></a> +<span class="sourceLineNo">248</span> } catch (InterruptedException e) {<a name="line.248"></a> +<span class="sourceLineNo">249</span> Thread.currentThread().interrupt();<a name="line.249"></a> +<span class="sourceLineNo">250</span> return false;<a name="line.250"></a> +<span class="sourceLineNo">251</span> } catch (IOException e) {<a name="line.251"></a> +<span class="sourceLineNo">252</span> LOG.warn("Received IOException while trying to replicate"<a name="line.252"></a> +<span class="sourceLineNo">253</span> + StringUtils.stringifyException(e));<a name="line.253"></a> +<span class="sourceLineNo">254</span> }<a name="line.254"></a> +<span class="sourceLineNo">255</span> }<a name="line.255"></a> +<span class="sourceLineNo">256</span><a name="line.256"></a> +<span class="sourceLineNo">257</span> return false;<a name="line.257"></a> +<span class="sourceLineNo">258</span> }<a name="line.258"></a> +<span class="sourceLineNo">259</span><a name="line.259"></a> +<span class="sourceLineNo">260</span> @Override<a name="line.260"></a> +<span class="sourceLineNo">261</span> public boolean canReplicateToSameCluster() {<a name="line.261"></a> +<span class="sourceLineNo">262</span> return true;<a name="line.262"></a> +<span class="sourceLineNo">263</span> }<a name="line.263"></a> +<span class="sourceLineNo">264</span><a name="line.264"></a> +<span class="sourceLineNo">265</span> @Override<a name="line.265"></a> +<span class="sourceLineNo">266</span> protected WALEntryFilter getScopeWALEntryFilter() {<a name="line.266"></a> +<span class="sourceLineNo">267</span> // we do not care about scope. We replicate everything.<a name="line.267"></a> +<span class="sourceLineNo">268</span> return null;<a name="line.268"></a> +<span class="sourceLineNo">269</span> }<a name="line.269"></a> +<span class="sourceLineNo">270</span><a name="line.270"></a> +<span class="sourceLineNo">271</span> static class RegionReplicaOutputSink extends OutputSink {<a name="line.271"></a> +<span class="sourceLineNo">272</span> private final RegionReplicaSinkWriter sinkWriter;<a name="line.272"></a> +<span class="sourceLineNo">273</span> private final TableDescriptors tableDescriptors;<a name="line.273"></a> +<span class="sourceLineNo">274</span> private final Cache<TableName, Boolean> memstoreReplicationEnabled;<a name="line.274"></a> +<span class="sourceLineNo">275</span><a name="line.275"></a> +<span class="sourceLineNo">276</span> public RegionReplicaOutputSink(PipelineController controller, TableDescriptors tableDescriptors,<a name="line.276"></a> +<span class="sourceLineNo">277</span> EntryBuffers entryBuffers, ClusterConnection connection, ExecutorService pool,<a name="line.277"></a> +<span class="sourceLineNo">278</span> int numWriters, int operationTimeout) {<a name="line.278"></a> +<span class="sourceLineNo">279</span> super(controller, entryBuffers, numWriters);<a name="line.279"></a> +<span class="sourceLineNo">280</span> this.sinkWriter =<a name="line.280"></a> +<span class="sourceLineNo">281</span> new RegionReplicaSinkWriter(this, connection, pool, operationTimeout, tableDescriptors);<a name="line.281"></a> +<span class="sourceLineNo">282</span> this.tableDescriptors = tableDescriptors;<a name="line.282"></a> +<span class="sourceLineNo">283</span><a name="line.283"></a> +<span class="sourceLineNo">284</span> // A cache for the table "memstore replication enabled" flag.<a name="line.284"></a> +<span class="sourceLineNo">285</span> // It has a default expiry of 5 sec. This means that if the table is altered<a name="line.285"></a> +<span class="sourceLineNo">286</span> // with a different flag value, we might miss to replicate for that amount of<a name="line.286"></a> +<span class="sourceLineNo">287</span> // time. But this cache avoid the slow lookup and parsing of the TableDescriptor.<a name="line.287"></a> +<span class="sourceLineNo">288</span> int memstoreReplicationEnabledCacheExpiryMs = connection.getConfiguration()<a name="line.288"></a> +<span class="sourceLineNo">289</span> .getInt("hbase.region.replica.replication.cache.memstoreReplicationEnabled.expiryMs", 5000);<a name="line.289"></a> +<span class="sourceLineNo">290</span> this.memstoreReplicationEnabled = CacheBuilder.newBuilder()<a name="line.290"></a> +<span class="sourceLineNo">291</span> .expireAfterWrite(memstoreReplicationEnabledCacheExpiryMs, TimeUnit.MILLISECONDS)<a name="line.291"></a> +<span class="sourceLineNo">292</span> .initialCapacity(10)<a name="line.292"></a> +<span class="sourceLineNo">293</span> .maximumSize(1000)<a name="line.293"></a> +<span class="sourceLineNo">294</span> .build();<a name="line.294"></a> +<span class="sourceLineNo">295</span> }<a name="line.295"></a> +<span class="sourceLineNo">296</span><a name="line.296"></a> +<span class="sourceLineNo">297</span> @Override<a name="line.297"></a> +<span class="sourceLineNo">298</span> public void append(RegionEntryBuffer buffer) throws IOException {<a name="line.298"></a> +<span class="sourceLineNo">299</span> List<Entry> entries = buffer.getEntryBuffer();<a name="line.299"></a> +<span class="sourceLineNo">300</span><a name="line.300"></a> +<span class="sourceLineNo">301</span> if (entries.isEmpty() || entries.get(0).getEdit().getCells().isEmpty()) {<a name="line.301"></a> +<span class="sourceLineNo">302</span> return;<a name="line.302"></a> +<span class="sourceLineNo">303</span> }<a name="line.303"></a> +<span class="sourceLineNo">304</span><a name="line.304"></a> +<span class="sourceLineNo">305</span> // meta edits (e.g. flush) are always replicated.<a name="line.305"></a> +<span class="sourceLineNo">306</span> // data edits (e.g. put) are replicated if the table requires them.<a name="line.306"></a> +<span class="sourceLineNo">307</span> if (!requiresReplication(buffer.getTableName(), entries)) {<a name="line.307"></a> +<span class="sourceLineNo">308</span> return;<a name="line.308"></a> +<span class="sourceLineNo">309</span> }<a name="line.309"></a> +<span class="sourceLineNo">310</span><a name="line.310"></a> +<span class="sourceLineNo">311</span> sinkWriter.append(buffer.getTableName(), buffer.getEncodedRegionName(),<a name="line.311"></a> +<span class="sourceLineNo">312</span> CellUtil.cloneRow(entries.get(0).getEdit().getCells().get(0)), entries);<a name="line.312"></a> +<span class="sourceLineNo">313</span> }<a name="line.313"></a> +<span class="sourceLineNo">314</span><a name="line.314"></a> +<span class="sourceLineNo">315</span> @Override<a name="line.315"></a> +<span class="sourceLineNo">316</span> public boolean flush() throws IOException {<a name="line.316"></a> +<span class="sourceLineNo">317</span> // nothing much to do for now. Wait for the Writer threads to finish up<a name="line.317"></a> +<span class="sourceLineNo">318</span> // append()'ing the data.<a name="line.318"></a> +<span class="sourceLineNo">319</span> entryBuffers.waitUntilDrained();<a name="line.319"></a> +<span class="sourceLineNo">320</span> return super.flush();<a name="line.320"></a> +<span class="sourceLineNo">321</span> }<a name="line.321"></a> +<span class="sourceLineNo">322</span><a name="line.322"></a> +<span class="sourceLineNo">323</span> @Override<a name="line.323"></a> +<span class="sourceLineNo">324</span> public boolean keepRegionEvent(Entry entry) {<a name="line.324"></a> +<span class="sourceLineNo">325</span> return true;<a name="line.325"></a> +<span class="sourceLineNo">326</span> }<a name="line.326"></a> +<span class="sourceLineNo">327</span><a name="line.327"></a> +<span class="sourceLineNo">328</span> @Override<a name="line.328"></a> +<span class="sourceLineNo">329</span> public List<Path> finishWritingAndClose() throws IOException {<a name="line.329"></a> +<span class="sourceLineNo">330</span> finishWriting(true);<a name="line.330"></a> +<span class="sourceLineNo">331</span> return null;<a name="line.331"></a> +<span class="sourceLineNo">332</span> }<a name="line.332"></a> +<span class="sourceLineNo">333</span><a name="line.333"></a> +<span class="sourceLineNo">334</span> @Override<a name="line.334"></a> +<span class="sourceLineNo">335</span> public Map<byte[], Long> getOutputCounts() {<a name="line.335"></a> +<span class="sourceLineNo">336</span> return null; // only used in tests<a name="line.336"></a> +<span class="sourceLineNo">337</span> }<a name="line.337"></a> +<span class="sourceLineNo">338</span><a name="line.338"></a> +<span class="sourceLineNo">339</span> @Override<a name="line.339"></a> +<span class="sourceLineNo">340</span> public int getNumberOfRecoveredRegions() {<a name="line.340"></a> +<span class="sourceLineNo">341</span> return 0;<a name="line.341"></a> +<span class="sourceLineNo">342</span> }<a name="line.342"></a> +<span class="sourceLineNo">343</span><a name="line.343"></a> +<span class="sourceLineNo">344</span> AtomicLong getSkippedEditsCounter() {<a name="line.344"></a> +<span class="sourceLineNo">345</span> return skippedEdits;<a name="line.345"></a> +<span class="sourceLineNo">346</span> }<a name="line.346"></a> +<span class="sourceLineNo">347</span><a name="line.347"></a> +<span class="sourceLineNo">348</span> /**<a name="line.348"></a> +<span class="sourceLineNo">349</span> * returns true if the specified entry must be replicated.<a name="line.349"></a> +<span class="sourceLineNo">350</span> * We should always replicate meta operations (e.g. flush)<a name="line.350"></a> +<span class="sourceLineNo">351</span> * and use the user HTD flag to decide whether or not replicate the memstore.<a name="line.351"></a> +<span class="sourceLineNo">352</span> */<a name="line.352"></a> +<span class="sourceLineNo">353</span> private boolean requiresReplication(final TableName tableName, final List<Entry> entries)<a name="line.353"></a> +<span class="sourceLineNo">354</span> throws IOException {<a name="line.354"></a> +<span class="sourceLineNo">355</span> // unit-tests may not the TableDescriptors, bypass the check and always replicate<a name="line.355"></a> +<span class="sourceLineNo">356</span> if (tableDescriptors == null) return true;<a name="line.356"></a> +<span class="sourceLineNo">357</span><a name="line.357"></a> +<span class="sourceLineNo">358</span> Boolean requiresReplication = memstoreReplicationEnabled.getIfPresent(tableName);<a name="line.358"></a> +<span class="sourceLineNo">359</span> if (requiresReplication == null) {<a name="line.359"></a> +<span class="sourceLineNo">360</span> // check if the table requires memstore replication<a name="line.360"></a> +<span class="sourceLineNo">361</span> // some unit-test drop the table, so we should do a bypass check and always replicate.<a name="line.361"></a> +<span class="sourceLineNo">362</span> TableDescriptor htd = tableDescriptors.get(tableName);<a name="line.362"></a> +<span class="sourceLineNo">363</span> requiresReplication = htd == null || htd.hasRegionMemStoreReplication();<a name="line.363"></a> +<span class="sourceLineNo">364</span> memstoreReplicationEnabled.put(tableName, requiresReplication);<a name="line.364"></a> +<span class="sourceLineNo">365</span> }<a name="line.365"></a> +<span class="sourceLineNo">366</span><a name="line.366"></a> +<span class="sourceLineNo">367</span> // if memstore replication is not required, check the entries.<a name="line.367"></a> +<span class="sourceLineNo">368</span> // meta edits (e.g. flush) must be always replicated.<a name="line.368"></a> +<span class="sourceLineNo">369</span> if (!requiresReplication) {<a name="line.369"></a> +<span class="sourceLineNo">370</span> int skipEdits = 0;<a name="line.370"></a> +<span class="sourceLineNo">371</span> java.util.Iterator<Entry> it = entries.iterator();<a name="line.371"></a> +<span class="sourceLineNo">372</span> while (it.hasNext()) {<a name="line.372"></a> +<span class="sourceLineNo">373</span> Entry entry = it.next();<a name="line.373"></a> +<span class="sourceLineNo">374</span> if (entry.getEdit().isMetaEdit()) {<a name="line.374"></a> +<span class="sourceLineNo">375</span> requiresReplication = true;<a name="line.375"></a> +<span class="sourceLineNo">376</span> } else {<a name="line.376"></a> +<span class="sourceLineNo">377</span> it.remove();<a name="line.377"></a> +<span class="sourceLineNo">378</span> skipEdits++;<a name="line.378"></a> +<span class="sourceLineNo">379</span> }<a name="line.379"></a> +<span class="sourceLineNo">380</span> }<a name="line.380"></a> +<span class="sourceLineNo">381</span> skippedEdits.addAndGet(skipEdits);<a name="line.381"></a> +<span class="sourceLineNo">382</span> }<a name="line.382"></a> +<span class="sourceLineNo">383</span> return requiresReplication;<a name="line.383"></a> +<span class="sourceLineNo">384</span> }<a name="line.384"></a> +<span class="sourceLineNo">385</span> }<a name="line.385"></a> +<span class="sourceLineNo">386</span><a name="line.386"></a> +<span class="sourceLineNo">387</span> static class RegionReplicaSinkWriter extends SinkWriter {<a name="line.387"></a> +<span class="sourceLineNo">388</span> RegionReplicaOutputSink sink;<a name="line.388"></a> +<span class="sourceLineNo">389</span> ClusterConnection connection;<a name="line.389"></a> +<span class="sourceLineNo">390</span> RpcControllerFactory rpcControllerFactory;<a name="line.390"></a> +<span class="sourceLineNo">391</span> RpcRetryingCallerFactory rpcRetryingCallerFactory;<a name="line.391"></a> +<span class="sourceLineNo">392</span> int operationTimeout;<a name="line.392"></a> +<span class="sourceLineNo">393</span> ExecutorService pool;<a name="line.393"></a> +<span class="sourceLineNo">394</span> Cache<TableName, Boolean> disabledAndDroppedTables;<a name="line.394"></a> +<span class="sourceLineNo">395</span> TableDescriptors tableDescriptors;<a name="line.395"></a> +<span class="sourceLineNo">396</span><a name="line.396"></a> +<span class="sourceLineNo">397</span> public RegionReplicaSinkWriter(RegionReplicaOutputSink sink, ClusterConnection connection,<a name="line.397"></a> +<span class="sourceLineNo">398</span> ExecutorService pool, int operationTimeout, TableDescriptors tableDescriptors) {<a name="line.398"></a> +<span class="sourceLineNo">399</span> this.sink = sink;<a name="line.399"></a> +<span class="sourceLineNo">400</span> this.connection = connection;<a name="line.400"></a> +<span class="sourceLineNo">401</span> this.operationTimeout = operationTimeout;<a name="line.401"></a> +<span class="sourceLineNo">402</span> this.rpcRetryingCallerFactory<a name="line.402"></a> +<span class="sourceLineNo">403</span> = RpcRetryingCallerFactory.instantiate(connection.getConfiguration());<a name="line.403"></a> +<span class="sourceLineNo">404</span> this.rpcControllerFactory = RpcControllerFactory.instantiate(connection.getConfiguration());<a name="line.404"></a> +<span class="sourceLineNo">405</span> this.pool = pool;<a name="line.405"></a> +<span class="sourceLineNo">406</span> this.tableDescriptors = tableDescriptors;<a name="line.406"></a> +<span class="sourceLineNo">407</span><a name="line.407"></a> +<span class="sourceLineNo">408</span> int nonExistentTableCacheExpiryMs = connection.getConfiguration()<a name="line.408"></a> +<span class="sourceLineNo">409</span> .getInt("hbase.region.replica.replication.cache.disabledAndDroppedTables.expiryMs", 5000);<a name="line.409"></a> +<span class="sourceLineNo">410</span> // A cache for non existing tables that have a default expiry of 5 sec. This means that if the<a name="line.410"></a> +<span class="sourceLineNo">411</span> // table is created again with the same name, we might miss to replicate for that amount of<a name="line.411"></a> +<span class="sourceLineNo">412</span> // time. But this cache prevents overloading meta requests for every edit from a deleted file.<a name="line.412"></a> +<span class="sourceLineNo">413</span> disabledAndDroppedTables = CacheBuilder.newBuilder()<a name="line.413"></a> +<span class="sourceLineNo">414</span> .expireAfterWrite(nonExistentTableCacheExpiryMs, TimeUnit.MILLISECONDS)<a name="line.414"></a> +<span class="sourceLineNo">415</span> .initialCapacity(10)<a name="line.415"></a> +<span class="sourceLineNo">416</span> .maximumSize(1000)<a name="line.416"></a> +<span class="sourceLineNo">417</span> .build();<a name="line.417"></a> +<span class="sourceLineNo">418</span> }<a name="line.418"></a> +<span class="sourceLineNo">419</span><a name="line.419"></a> +<span class="sourceLineNo">420</span> public void append(TableName tableName, byte[] encodedRegionName, byte[] row,<a name="line.420"></a> +<span class="sourceLineNo">421</span> List<Entry> entries) throws IOException {<a name="line.421"></a> +<span class="sourceLineNo">422</span><a name="line.422"></a> +<span class="sourceLineNo">423</span> if (disabledAndDroppedTables.getIfPresent(tableName) != null) {<a name="line.423"></a> +<span class="sourceLineNo">424</span> if (LOG.isTraceEnabled()) {<a name="line.424"></a> +<span class="sourceLineNo">425</span> LOG.trace("Skipping " + entries.size() + " entries because table " + tableName<a name="line.425"></a> +<span class="sourceLineNo">426</span> + " is cached as a disabled or dropped table");<a name="line.426"></a> +<span class="sourceLineNo">427</span> for (Entry entry : entries) {<a name="line.427"></a> +<span class="sourceLineNo">428</span> LOG.trace("Skipping : " + entry);<a name="line.428"></a> +<span class="sourceLineNo">429</span> }<a name="line.429"></a> +<span class="sourceLineNo">430</span> }<a name="line.430"></a> +<span class="sourceLineNo">431</span> sink.getSkippedEditsCounter().addAndGet(entries.size());<a name="line.431"></a> +<span class="sourceLineNo">432</span> return;<a name="line.432"></a> +<span class="sourceLineNo">433</span> }<a name="line.433"></a> +<span class="sourceLineNo">434</span><a name="line.434"></a> +<span class="sourceLineNo">435</span> // If the table is disabled or dropped, we should not replay the entries, and we can skip<a name="line.435"></a> +<span class="sourceLineNo">436</span> // replaying them. However, we might not know whether the table is disabled until we<a name="line.436"></a> +<span class="sourceLineNo">437</span> // invalidate the cache and check from meta<a name="line.437"></a> +<span class="sourceLineNo">438</span> RegionLocations locations = null;<a name="line.438"></a> +<span class="sourceLineNo">439</span> boolean useCache = true;<a name="line.439"></a> +<span class="sourceLineNo">440</span> while (true) {<a name="line.440"></a> +<span class="sourceLineNo">441</span> // get the replicas of the primary region<a name="line.441"></a> +<span class="sourceLineNo">442</span> try {<a name="line.442"></a> +<span class="sourceLineNo">443</span> locations = RegionReplicaReplayCallable<a name="line.443"></a> +<span class="sourceLineNo">444</span> .getRegionLocations(connection, tableName, row, useCache, 0);<a name="line.444"></a> +<span class="sourceLineNo">445</span><a name="line.445"></a> +<span class="sourceLineNo">446</span> if (locations == null) {<a name="line.446"></a> +<span class="sourceLineNo">447</span> <TRUNCATED>
