http://git-wip-us.apache.org/repos/asf/hbase-site/blob/fd35fe02/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/RecoveredReplicationSource.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/RecoveredReplicationSource.html b/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/RecoveredReplicationSource.html index 9cbcea4..c2e0da8 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/RecoveredReplicationSource.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/RecoveredReplicationSource.html @@ -28,189 +28,156 @@ <span class="sourceLineNo">020</span>import java.io.IOException;<a name="line.20"></a> <span class="sourceLineNo">021</span>import java.util.List;<a name="line.21"></a> <span class="sourceLineNo">022</span>import java.util.UUID;<a name="line.22"></a> -<span class="sourceLineNo">023</span>import java.util.concurrent.BlockingQueue;<a name="line.23"></a> -<span class="sourceLineNo">024</span>import java.util.concurrent.PriorityBlockingQueue;<a name="line.24"></a> -<span class="sourceLineNo">025</span>import org.apache.hadoop.conf.Configuration;<a name="line.25"></a> -<span class="sourceLineNo">026</span>import org.apache.hadoop.fs.FileStatus;<a name="line.26"></a> -<span class="sourceLineNo">027</span>import org.apache.hadoop.fs.FileSystem;<a name="line.27"></a> -<span class="sourceLineNo">028</span>import org.apache.hadoop.fs.Path;<a name="line.28"></a> -<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.Server;<a name="line.29"></a> -<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.ServerName;<a name="line.30"></a> -<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.replication.ReplicationPeer;<a name="line.31"></a> -<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.replication.ReplicationQueueStorage;<a name="line.32"></a> -<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.util.FSUtils;<a name="line.33"></a> -<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.34"></a> -<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.wal.AbstractFSWALProvider;<a name="line.35"></a> -<span class="sourceLineNo">036</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.36"></a> -<span class="sourceLineNo">037</span>import org.slf4j.Logger;<a name="line.37"></a> -<span class="sourceLineNo">038</span>import org.slf4j.LoggerFactory;<a name="line.38"></a> -<span class="sourceLineNo">039</span><a name="line.39"></a> -<span class="sourceLineNo">040</span>/**<a name="line.40"></a> -<span class="sourceLineNo">041</span> * Class that handles the recovered source of a replication stream, which is transfered from<a name="line.41"></a> -<span class="sourceLineNo">042</span> * another dead region server. This will be closed when all logs are pushed to peer cluster.<a name="line.42"></a> -<span class="sourceLineNo">043</span> */<a name="line.43"></a> -<span class="sourceLineNo">044</span>@InterfaceAudience.Private<a name="line.44"></a> -<span class="sourceLineNo">045</span>public class RecoveredReplicationSource extends ReplicationSource {<a name="line.45"></a> -<span class="sourceLineNo">046</span><a name="line.46"></a> -<span class="sourceLineNo">047</span> private static final Logger LOG = LoggerFactory.getLogger(RecoveredReplicationSource.class);<a name="line.47"></a> -<span class="sourceLineNo">048</span><a name="line.48"></a> -<span class="sourceLineNo">049</span> private String actualPeerId;<a name="line.49"></a> -<span class="sourceLineNo">050</span><a name="line.50"></a> -<span class="sourceLineNo">051</span> @Override<a name="line.51"></a> -<span class="sourceLineNo">052</span> public void init(Configuration conf, FileSystem fs, ReplicationSourceManager manager,<a name="line.52"></a> -<span class="sourceLineNo">053</span> ReplicationQueueStorage queueStorage, ReplicationPeer replicationPeer, Server server,<a name="line.53"></a> -<span class="sourceLineNo">054</span> String peerClusterZnode, UUID clusterId, WALFileLengthProvider walFileLengthProvider,<a name="line.54"></a> -<span class="sourceLineNo">055</span> MetricsSource metrics) throws IOException {<a name="line.55"></a> -<span class="sourceLineNo">056</span> super.init(conf, fs, manager, queueStorage, replicationPeer, server, peerClusterZnode,<a name="line.56"></a> -<span class="sourceLineNo">057</span> clusterId, walFileLengthProvider, metrics);<a name="line.57"></a> -<span class="sourceLineNo">058</span> this.actualPeerId = this.replicationQueueInfo.getPeerId();<a name="line.58"></a> -<span class="sourceLineNo">059</span> }<a name="line.59"></a> -<span class="sourceLineNo">060</span><a name="line.60"></a> -<span class="sourceLineNo">061</span> @Override<a name="line.61"></a> -<span class="sourceLineNo">062</span> protected RecoveredReplicationSourceShipper createNewShipper(String walGroupId,<a name="line.62"></a> -<span class="sourceLineNo">063</span> PriorityBlockingQueue<Path> queue) {<a name="line.63"></a> -<span class="sourceLineNo">064</span> return new RecoveredReplicationSourceShipper(conf, walGroupId, queue, this, queueStorage);<a name="line.64"></a> -<span class="sourceLineNo">065</span> }<a name="line.65"></a> -<span class="sourceLineNo">066</span><a name="line.66"></a> -<span class="sourceLineNo">067</span> private void handleEmptyWALEntryBatch0(ReplicationSourceWALReader reader,<a name="line.67"></a> -<span class="sourceLineNo">068</span> BlockingQueue<WALEntryBatch> entryBatchQueue, Path currentPath) throws InterruptedException {<a name="line.68"></a> -<span class="sourceLineNo">069</span> LOG.trace("Didn't read any new entries from WAL");<a name="line.69"></a> -<span class="sourceLineNo">070</span> // we're done with queue recovery, shut ourself down<a name="line.70"></a> -<span class="sourceLineNo">071</span> reader.setReaderRunning(false);<a name="line.71"></a> -<span class="sourceLineNo">072</span> // shuts down shipper thread immediately<a name="line.72"></a> -<span class="sourceLineNo">073</span> entryBatchQueue.put(new WALEntryBatch(0, currentPath));<a name="line.73"></a> -<span class="sourceLineNo">074</span> }<a name="line.74"></a> -<span class="sourceLineNo">075</span><a name="line.75"></a> -<span class="sourceLineNo">076</span> @Override<a name="line.76"></a> -<span class="sourceLineNo">077</span> protected ReplicationSourceWALReader createNewWALReader(String walGroupId,<a name="line.77"></a> -<span class="sourceLineNo">078</span> PriorityBlockingQueue<Path> queue, long startPosition) {<a name="line.78"></a> -<span class="sourceLineNo">079</span> if (replicationPeer.getPeerConfig().isSerial()) {<a name="line.79"></a> -<span class="sourceLineNo">080</span> return new SerialReplicationSourceWALReader(fs, conf, queue, startPosition, walEntryFilter,<a name="line.80"></a> -<span class="sourceLineNo">081</span> this) {<a name="line.81"></a> -<span class="sourceLineNo">082</span><a name="line.82"></a> -<span class="sourceLineNo">083</span> @Override<a name="line.83"></a> -<span class="sourceLineNo">084</span> protected void handleEmptyWALEntryBatch(Path currentPath) throws InterruptedException {<a name="line.84"></a> -<span class="sourceLineNo">085</span> handleEmptyWALEntryBatch0(this, entryBatchQueue, currentPath);<a name="line.85"></a> -<span class="sourceLineNo">086</span> }<a name="line.86"></a> -<span class="sourceLineNo">087</span> };<a name="line.87"></a> -<span class="sourceLineNo">088</span> } else {<a name="line.88"></a> -<span class="sourceLineNo">089</span> return new ReplicationSourceWALReader(fs, conf, queue, startPosition, walEntryFilter, this) {<a name="line.89"></a> -<span class="sourceLineNo">090</span><a name="line.90"></a> -<span class="sourceLineNo">091</span> @Override<a name="line.91"></a> -<span class="sourceLineNo">092</span> protected void handleEmptyWALEntryBatch(Path currentPath) throws InterruptedException {<a name="line.92"></a> -<span class="sourceLineNo">093</span> handleEmptyWALEntryBatch0(this, entryBatchQueue, currentPath);<a name="line.93"></a> -<span class="sourceLineNo">094</span> }<a name="line.94"></a> -<span class="sourceLineNo">095</span> };<a name="line.95"></a> -<span class="sourceLineNo">096</span> }<a name="line.96"></a> -<span class="sourceLineNo">097</span> }<a name="line.97"></a> -<span class="sourceLineNo">098</span><a name="line.98"></a> -<span class="sourceLineNo">099</span> public void locateRecoveredPaths(PriorityBlockingQueue<Path> queue) throws IOException {<a name="line.99"></a> -<span class="sourceLineNo">100</span> boolean hasPathChanged = false;<a name="line.100"></a> -<span class="sourceLineNo">101</span> PriorityBlockingQueue<Path> newPaths =<a name="line.101"></a> -<span class="sourceLineNo">102</span> new PriorityBlockingQueue<Path>(queueSizePerGroup, new LogsComparator());<a name="line.102"></a> -<span class="sourceLineNo">103</span> pathsLoop: for (Path path : queue) {<a name="line.103"></a> -<span class="sourceLineNo">104</span> if (fs.exists(path)) { // still in same location, don't need to do anything<a name="line.104"></a> -<span class="sourceLineNo">105</span> newPaths.add(path);<a name="line.105"></a> -<span class="sourceLineNo">106</span> continue;<a name="line.106"></a> -<span class="sourceLineNo">107</span> }<a name="line.107"></a> -<span class="sourceLineNo">108</span> // Path changed - try to find the right path.<a name="line.108"></a> -<span class="sourceLineNo">109</span> hasPathChanged = true;<a name="line.109"></a> -<span class="sourceLineNo">110</span> if (server instanceof ReplicationSyncUp.DummyServer) {<a name="line.110"></a> -<span class="sourceLineNo">111</span> // In the case of disaster/recovery, HMaster may be shutdown/crashed before flush data<a name="line.111"></a> -<span class="sourceLineNo">112</span> // from .logs to .oldlogs. Loop into .logs folders and check whether a match exists<a name="line.112"></a> -<span class="sourceLineNo">113</span> Path newPath = getReplSyncUpPath(path);<a name="line.113"></a> -<span class="sourceLineNo">114</span> newPaths.add(newPath);<a name="line.114"></a> -<span class="sourceLineNo">115</span> continue;<a name="line.115"></a> -<span class="sourceLineNo">116</span> } else {<a name="line.116"></a> -<span class="sourceLineNo">117</span> // See if Path exists in the dead RS folder (there could be a chain of failures<a name="line.117"></a> -<span class="sourceLineNo">118</span> // to look at)<a name="line.118"></a> -<span class="sourceLineNo">119</span> List<ServerName> deadRegionServers = this.replicationQueueInfo.getDeadRegionServers();<a name="line.119"></a> -<span class="sourceLineNo">120</span> LOG.info("NB dead servers : " + deadRegionServers.size());<a name="line.120"></a> -<span class="sourceLineNo">121</span> final Path walDir = FSUtils.getWALRootDir(conf);<a name="line.121"></a> -<span class="sourceLineNo">122</span> for (ServerName curDeadServerName : deadRegionServers) {<a name="line.122"></a> -<span class="sourceLineNo">123</span> final Path deadRsDirectory =<a name="line.123"></a> -<span class="sourceLineNo">124</span> new Path(walDir, AbstractFSWALProvider.getWALDirectoryName(curDeadServerName<a name="line.124"></a> -<span class="sourceLineNo">125</span> .getServerName()));<a name="line.125"></a> -<span class="sourceLineNo">126</span> Path[] locs = new Path[] { new Path(deadRsDirectory, path.getName()), new Path(<a name="line.126"></a> -<span class="sourceLineNo">127</span> deadRsDirectory.suffix(AbstractFSWALProvider.SPLITTING_EXT), path.getName()) };<a name="line.127"></a> -<span class="sourceLineNo">128</span> for (Path possibleLogLocation : locs) {<a name="line.128"></a> -<span class="sourceLineNo">129</span> LOG.info("Possible location " + possibleLogLocation.toUri().toString());<a name="line.129"></a> -<span class="sourceLineNo">130</span> if (manager.getFs().exists(possibleLogLocation)) {<a name="line.130"></a> -<span class="sourceLineNo">131</span> // We found the right new location<a name="line.131"></a> -<span class="sourceLineNo">132</span> LOG.info("Log " + path + " still exists at " + possibleLogLocation);<a name="line.132"></a> -<span class="sourceLineNo">133</span> newPaths.add(possibleLogLocation);<a name="line.133"></a> -<span class="sourceLineNo">134</span> continue pathsLoop;<a name="line.134"></a> -<span class="sourceLineNo">135</span> }<a name="line.135"></a> -<span class="sourceLineNo">136</span> }<a name="line.136"></a> -<span class="sourceLineNo">137</span> }<a name="line.137"></a> -<span class="sourceLineNo">138</span> // didn't find a new location<a name="line.138"></a> -<span class="sourceLineNo">139</span> LOG.error(<a name="line.139"></a> -<span class="sourceLineNo">140</span> String.format("WAL Path %s doesn't exist and couldn't find its new location", path));<a name="line.140"></a> -<span class="sourceLineNo">141</span> newPaths.add(path);<a name="line.141"></a> -<span class="sourceLineNo">142</span> }<a name="line.142"></a> -<span class="sourceLineNo">143</span> }<a name="line.143"></a> -<span class="sourceLineNo">144</span><a name="line.144"></a> -<span class="sourceLineNo">145</span> if (hasPathChanged) {<a name="line.145"></a> -<span class="sourceLineNo">146</span> if (newPaths.size() != queue.size()) { // this shouldn't happen<a name="line.146"></a> -<span class="sourceLineNo">147</span> LOG.error("Recovery queue size is incorrect");<a name="line.147"></a> -<span class="sourceLineNo">148</span> throw new IOException("Recovery queue size error");<a name="line.148"></a> -<span class="sourceLineNo">149</span> }<a name="line.149"></a> -<span class="sourceLineNo">150</span> // put the correct locations in the queue<a name="line.150"></a> -<span class="sourceLineNo">151</span> // since this is a recovered queue with no new incoming logs,<a name="line.151"></a> -<span class="sourceLineNo">152</span> // there shouldn't be any concurrency issues<a name="line.152"></a> -<span class="sourceLineNo">153</span> queue.clear();<a name="line.153"></a> -<span class="sourceLineNo">154</span> for (Path path : newPaths) {<a name="line.154"></a> -<span class="sourceLineNo">155</span> queue.add(path);<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> }<a name="line.158"></a> -<span class="sourceLineNo">159</span><a name="line.159"></a> -<span class="sourceLineNo">160</span> // N.B. the ReplicationSyncUp tool sets the manager.getWALDir to the root of the wal<a name="line.160"></a> -<span class="sourceLineNo">161</span> // area rather than to the wal area for a particular region server.<a name="line.161"></a> -<span class="sourceLineNo">162</span> private Path getReplSyncUpPath(Path path) throws IOException {<a name="line.162"></a> -<span class="sourceLineNo">163</span> FileStatus[] rss = fs.listStatus(manager.getLogDir());<a name="line.163"></a> -<span class="sourceLineNo">164</span> for (FileStatus rs : rss) {<a name="line.164"></a> -<span class="sourceLineNo">165</span> Path p = rs.getPath();<a name="line.165"></a> -<span class="sourceLineNo">166</span> FileStatus[] logs = fs.listStatus(p);<a name="line.166"></a> -<span class="sourceLineNo">167</span> for (FileStatus log : logs) {<a name="line.167"></a> -<span class="sourceLineNo">168</span> p = new Path(p, log.getPath().getName());<a name="line.168"></a> -<span class="sourceLineNo">169</span> if (p.getName().equals(path.getName())) {<a name="line.169"></a> -<span class="sourceLineNo">170</span> LOG.info("Log " + p.getName() + " found at " + p);<a name="line.170"></a> -<span class="sourceLineNo">171</span> return p;<a name="line.171"></a> -<span class="sourceLineNo">172</span> }<a name="line.172"></a> -<span class="sourceLineNo">173</span> }<a name="line.173"></a> -<span class="sourceLineNo">174</span> }<a name="line.174"></a> -<span class="sourceLineNo">175</span> LOG.error("Didn't find path for: " + path.getName());<a name="line.175"></a> -<span class="sourceLineNo">176</span> return path;<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> void tryFinish() {<a name="line.179"></a> -<span class="sourceLineNo">180</span> // use synchronize to make sure one last thread will clean the queue<a name="line.180"></a> -<span class="sourceLineNo">181</span> synchronized (workerThreads) {<a name="line.181"></a> -<span class="sourceLineNo">182</span> Threads.sleep(100);// wait a short while for other worker thread to fully exit<a name="line.182"></a> -<span class="sourceLineNo">183</span> boolean allTasksDone = workerThreads.values().stream().allMatch(w -> w.isFinished());<a name="line.183"></a> -<span class="sourceLineNo">184</span> if (allTasksDone) {<a name="line.184"></a> -<span class="sourceLineNo">185</span> manager.removeRecoveredSource(this);<a name="line.185"></a> -<span class="sourceLineNo">186</span> LOG.info("Finished recovering queue {} with the following stats: {}", queueId, getStats());<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><a name="line.190"></a> -<span class="sourceLineNo">191</span> @Override<a name="line.191"></a> -<span class="sourceLineNo">192</span> public String getPeerId() {<a name="line.192"></a> -<span class="sourceLineNo">193</span> return this.actualPeerId;<a name="line.193"></a> -<span class="sourceLineNo">194</span> }<a name="line.194"></a> -<span class="sourceLineNo">195</span><a name="line.195"></a> -<span class="sourceLineNo">196</span> @Override<a name="line.196"></a> -<span class="sourceLineNo">197</span> public ServerName getServerWALsBelongTo() {<a name="line.197"></a> -<span class="sourceLineNo">198</span> return this.replicationQueueInfo.getDeadRegionServers().get(0);<a name="line.198"></a> -<span class="sourceLineNo">199</span> }<a name="line.199"></a> -<span class="sourceLineNo">200</span><a name="line.200"></a> -<span class="sourceLineNo">201</span> @Override<a name="line.201"></a> -<span class="sourceLineNo">202</span> public boolean isRecovered() {<a name="line.202"></a> -<span class="sourceLineNo">203</span> return true;<a name="line.203"></a> -<span class="sourceLineNo">204</span> }<a name="line.204"></a> -<span class="sourceLineNo">205</span>}<a name="line.205"></a> +<span class="sourceLineNo">023</span>import java.util.concurrent.PriorityBlockingQueue;<a name="line.23"></a> +<span class="sourceLineNo">024</span>import org.apache.hadoop.conf.Configuration;<a name="line.24"></a> +<span class="sourceLineNo">025</span>import org.apache.hadoop.fs.FileStatus;<a name="line.25"></a> +<span class="sourceLineNo">026</span>import org.apache.hadoop.fs.FileSystem;<a name="line.26"></a> +<span class="sourceLineNo">027</span>import org.apache.hadoop.fs.Path;<a name="line.27"></a> +<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.Server;<a name="line.28"></a> +<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.ServerName;<a name="line.29"></a> +<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.replication.ReplicationPeer;<a name="line.30"></a> +<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.replication.ReplicationQueueStorage;<a name="line.31"></a> +<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.util.FSUtils;<a name="line.32"></a> +<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.33"></a> +<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.wal.AbstractFSWALProvider;<a name="line.34"></a> +<span class="sourceLineNo">035</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.35"></a> +<span class="sourceLineNo">036</span>import org.slf4j.Logger;<a name="line.36"></a> +<span class="sourceLineNo">037</span>import org.slf4j.LoggerFactory;<a name="line.37"></a> +<span class="sourceLineNo">038</span><a name="line.38"></a> +<span class="sourceLineNo">039</span>/**<a name="line.39"></a> +<span class="sourceLineNo">040</span> * Class that handles the recovered source of a replication stream, which is transfered from<a name="line.40"></a> +<span class="sourceLineNo">041</span> * another dead region server. This will be closed when all logs are pushed to peer cluster.<a name="line.41"></a> +<span class="sourceLineNo">042</span> */<a name="line.42"></a> +<span class="sourceLineNo">043</span>@InterfaceAudience.Private<a name="line.43"></a> +<span class="sourceLineNo">044</span>public class RecoveredReplicationSource extends ReplicationSource {<a name="line.44"></a> +<span class="sourceLineNo">045</span><a name="line.45"></a> +<span class="sourceLineNo">046</span> private static final Logger LOG = LoggerFactory.getLogger(RecoveredReplicationSource.class);<a name="line.46"></a> +<span class="sourceLineNo">047</span><a name="line.47"></a> +<span class="sourceLineNo">048</span> private String actualPeerId;<a name="line.48"></a> +<span class="sourceLineNo">049</span><a name="line.49"></a> +<span class="sourceLineNo">050</span> @Override<a name="line.50"></a> +<span class="sourceLineNo">051</span> public void init(Configuration conf, FileSystem fs, ReplicationSourceManager manager,<a name="line.51"></a> +<span class="sourceLineNo">052</span> ReplicationQueueStorage queueStorage, ReplicationPeer replicationPeer, Server server,<a name="line.52"></a> +<span class="sourceLineNo">053</span> String peerClusterZnode, UUID clusterId, WALFileLengthProvider walFileLengthProvider,<a name="line.53"></a> +<span class="sourceLineNo">054</span> MetricsSource metrics) throws IOException {<a name="line.54"></a> +<span class="sourceLineNo">055</span> super.init(conf, fs, manager, queueStorage, replicationPeer, server, peerClusterZnode,<a name="line.55"></a> +<span class="sourceLineNo">056</span> clusterId, walFileLengthProvider, metrics);<a name="line.56"></a> +<span class="sourceLineNo">057</span> this.actualPeerId = this.replicationQueueInfo.getPeerId();<a name="line.57"></a> +<span class="sourceLineNo">058</span> }<a name="line.58"></a> +<span class="sourceLineNo">059</span><a name="line.59"></a> +<span class="sourceLineNo">060</span> @Override<a name="line.60"></a> +<span class="sourceLineNo">061</span> protected RecoveredReplicationSourceShipper createNewShipper(String walGroupId,<a name="line.61"></a> +<span class="sourceLineNo">062</span> PriorityBlockingQueue<Path> queue) {<a name="line.62"></a> +<span class="sourceLineNo">063</span> return new RecoveredReplicationSourceShipper(conf, walGroupId, queue, this, queueStorage);<a name="line.63"></a> +<span class="sourceLineNo">064</span> }<a name="line.64"></a> +<span class="sourceLineNo">065</span><a name="line.65"></a> +<span class="sourceLineNo">066</span> public void locateRecoveredPaths(PriorityBlockingQueue<Path> queue) throws IOException {<a name="line.66"></a> +<span class="sourceLineNo">067</span> boolean hasPathChanged = false;<a name="line.67"></a> +<span class="sourceLineNo">068</span> PriorityBlockingQueue<Path> newPaths =<a name="line.68"></a> +<span class="sourceLineNo">069</span> new PriorityBlockingQueue<Path>(queueSizePerGroup, new LogsComparator());<a name="line.69"></a> +<span class="sourceLineNo">070</span> pathsLoop: for (Path path : queue) {<a name="line.70"></a> +<span class="sourceLineNo">071</span> if (fs.exists(path)) { // still in same location, don't need to do anything<a name="line.71"></a> +<span class="sourceLineNo">072</span> newPaths.add(path);<a name="line.72"></a> +<span class="sourceLineNo">073</span> continue;<a name="line.73"></a> +<span class="sourceLineNo">074</span> }<a name="line.74"></a> +<span class="sourceLineNo">075</span> // Path changed - try to find the right path.<a name="line.75"></a> +<span class="sourceLineNo">076</span> hasPathChanged = true;<a name="line.76"></a> +<span class="sourceLineNo">077</span> if (server instanceof ReplicationSyncUp.DummyServer) {<a name="line.77"></a> +<span class="sourceLineNo">078</span> // In the case of disaster/recovery, HMaster may be shutdown/crashed before flush data<a name="line.78"></a> +<span class="sourceLineNo">079</span> // from .logs to .oldlogs. Loop into .logs folders and check whether a match exists<a name="line.79"></a> +<span class="sourceLineNo">080</span> Path newPath = getReplSyncUpPath(path);<a name="line.80"></a> +<span class="sourceLineNo">081</span> newPaths.add(newPath);<a name="line.81"></a> +<span class="sourceLineNo">082</span> continue;<a name="line.82"></a> +<span class="sourceLineNo">083</span> } else {<a name="line.83"></a> +<span class="sourceLineNo">084</span> // See if Path exists in the dead RS folder (there could be a chain of failures<a name="line.84"></a> +<span class="sourceLineNo">085</span> // to look at)<a name="line.85"></a> +<span class="sourceLineNo">086</span> List<ServerName> deadRegionServers = this.replicationQueueInfo.getDeadRegionServers();<a name="line.86"></a> +<span class="sourceLineNo">087</span> LOG.info("NB dead servers : " + deadRegionServers.size());<a name="line.87"></a> +<span class="sourceLineNo">088</span> final Path walDir = FSUtils.getWALRootDir(conf);<a name="line.88"></a> +<span class="sourceLineNo">089</span> for (ServerName curDeadServerName : deadRegionServers) {<a name="line.89"></a> +<span class="sourceLineNo">090</span> final Path deadRsDirectory =<a name="line.90"></a> +<span class="sourceLineNo">091</span> new Path(walDir, AbstractFSWALProvider.getWALDirectoryName(curDeadServerName<a name="line.91"></a> +<span class="sourceLineNo">092</span> .getServerName()));<a name="line.92"></a> +<span class="sourceLineNo">093</span> Path[] locs = new Path[] { new Path(deadRsDirectory, path.getName()), new Path(<a name="line.93"></a> +<span class="sourceLineNo">094</span> deadRsDirectory.suffix(AbstractFSWALProvider.SPLITTING_EXT), path.getName()) };<a name="line.94"></a> +<span class="sourceLineNo">095</span> for (Path possibleLogLocation : locs) {<a name="line.95"></a> +<span class="sourceLineNo">096</span> LOG.info("Possible location " + possibleLogLocation.toUri().toString());<a name="line.96"></a> +<span class="sourceLineNo">097</span> if (manager.getFs().exists(possibleLogLocation)) {<a name="line.97"></a> +<span class="sourceLineNo">098</span> // We found the right new location<a name="line.98"></a> +<span class="sourceLineNo">099</span> LOG.info("Log " + path + " still exists at " + possibleLogLocation);<a name="line.99"></a> +<span class="sourceLineNo">100</span> newPaths.add(possibleLogLocation);<a name="line.100"></a> +<span class="sourceLineNo">101</span> continue pathsLoop;<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> }<a name="line.104"></a> +<span class="sourceLineNo">105</span> // didn't find a new location<a name="line.105"></a> +<span class="sourceLineNo">106</span> LOG.error(<a name="line.106"></a> +<span class="sourceLineNo">107</span> String.format("WAL Path %s doesn't exist and couldn't find its new location", path));<a name="line.107"></a> +<span class="sourceLineNo">108</span> newPaths.add(path);<a name="line.108"></a> +<span class="sourceLineNo">109</span> }<a name="line.109"></a> +<span class="sourceLineNo">110</span> }<a name="line.110"></a> +<span class="sourceLineNo">111</span><a name="line.111"></a> +<span class="sourceLineNo">112</span> if (hasPathChanged) {<a name="line.112"></a> +<span class="sourceLineNo">113</span> if (newPaths.size() != queue.size()) { // this shouldn't happen<a name="line.113"></a> +<span class="sourceLineNo">114</span> LOG.error("Recovery queue size is incorrect");<a name="line.114"></a> +<span class="sourceLineNo">115</span> throw new IOException("Recovery queue size error");<a name="line.115"></a> +<span class="sourceLineNo">116</span> }<a name="line.116"></a> +<span class="sourceLineNo">117</span> // put the correct locations in the queue<a name="line.117"></a> +<span class="sourceLineNo">118</span> // since this is a recovered queue with no new incoming logs,<a name="line.118"></a> +<span class="sourceLineNo">119</span> // there shouldn't be any concurrency issues<a name="line.119"></a> +<span class="sourceLineNo">120</span> queue.clear();<a name="line.120"></a> +<span class="sourceLineNo">121</span> for (Path path : newPaths) {<a name="line.121"></a> +<span class="sourceLineNo">122</span> queue.add(path);<a name="line.122"></a> +<span class="sourceLineNo">123</span> }<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><a name="line.126"></a> +<span class="sourceLineNo">127</span> // N.B. the ReplicationSyncUp tool sets the manager.getWALDir to the root of the wal<a name="line.127"></a> +<span class="sourceLineNo">128</span> // area rather than to the wal area for a particular region server.<a name="line.128"></a> +<span class="sourceLineNo">129</span> private Path getReplSyncUpPath(Path path) throws IOException {<a name="line.129"></a> +<span class="sourceLineNo">130</span> FileStatus[] rss = fs.listStatus(manager.getLogDir());<a name="line.130"></a> +<span class="sourceLineNo">131</span> for (FileStatus rs : rss) {<a name="line.131"></a> +<span class="sourceLineNo">132</span> Path p = rs.getPath();<a name="line.132"></a> +<span class="sourceLineNo">133</span> FileStatus[] logs = fs.listStatus(p);<a name="line.133"></a> +<span class="sourceLineNo">134</span> for (FileStatus log : logs) {<a name="line.134"></a> +<span class="sourceLineNo">135</span> p = new Path(p, log.getPath().getName());<a name="line.135"></a> +<span class="sourceLineNo">136</span> if (p.getName().equals(path.getName())) {<a name="line.136"></a> +<span class="sourceLineNo">137</span> LOG.info("Log " + p.getName() + " found at " + p);<a name="line.137"></a> +<span class="sourceLineNo">138</span> return p;<a name="line.138"></a> +<span class="sourceLineNo">139</span> }<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> LOG.error("Didn't find path for: " + path.getName());<a name="line.142"></a> +<span class="sourceLineNo">143</span> return path;<a name="line.143"></a> +<span class="sourceLineNo">144</span> }<a name="line.144"></a> +<span class="sourceLineNo">145</span><a name="line.145"></a> +<span class="sourceLineNo">146</span> void tryFinish() {<a name="line.146"></a> +<span class="sourceLineNo">147</span> // use synchronize to make sure one last thread will clean the queue<a name="line.147"></a> +<span class="sourceLineNo">148</span> synchronized (workerThreads) {<a name="line.148"></a> +<span class="sourceLineNo">149</span> Threads.sleep(100);// wait a short while for other worker thread to fully exit<a name="line.149"></a> +<span class="sourceLineNo">150</span> boolean allTasksDone = workerThreads.values().stream().allMatch(w -> w.isFinished());<a name="line.150"></a> +<span class="sourceLineNo">151</span> if (allTasksDone) {<a name="line.151"></a> +<span class="sourceLineNo">152</span> manager.removeRecoveredSource(this);<a name="line.152"></a> +<span class="sourceLineNo">153</span> LOG.info("Finished recovering queue {} with the following stats: {}", queueId, getStats());<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><a name="line.157"></a> +<span class="sourceLineNo">158</span> @Override<a name="line.158"></a> +<span class="sourceLineNo">159</span> public String getPeerId() {<a name="line.159"></a> +<span class="sourceLineNo">160</span> return this.actualPeerId;<a name="line.160"></a> +<span class="sourceLineNo">161</span> }<a name="line.161"></a> +<span class="sourceLineNo">162</span><a name="line.162"></a> +<span class="sourceLineNo">163</span> @Override<a name="line.163"></a> +<span class="sourceLineNo">164</span> public ServerName getServerWALsBelongTo() {<a name="line.164"></a> +<span class="sourceLineNo">165</span> return this.replicationQueueInfo.getDeadRegionServers().get(0);<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> @Override<a name="line.168"></a> +<span class="sourceLineNo">169</span> public boolean isRecovered() {<a name="line.169"></a> +<span class="sourceLineNo">170</span> return true;<a name="line.170"></a> +<span class="sourceLineNo">171</span> }<a name="line.171"></a> +<span class="sourceLineNo">172</span>}<a name="line.172"></a>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/fd35fe02/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/RecoveredReplicationSourceShipper.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/RecoveredReplicationSourceShipper.html b/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/RecoveredReplicationSourceShipper.html index d0d2274..4656bff 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/RecoveredReplicationSourceShipper.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/RecoveredReplicationSourceShipper.html @@ -56,69 +56,66 @@ <span class="sourceLineNo">048</span> }<a name="line.48"></a> <span class="sourceLineNo">049</span><a name="line.49"></a> <span class="sourceLineNo">050</span> @Override<a name="line.50"></a> -<span class="sourceLineNo">051</span> protected void postShipEdits(WALEntryBatch entryBatch) {<a name="line.51"></a> -<span class="sourceLineNo">052</span> if (entryBatch.getWalEntries().isEmpty()) {<a name="line.52"></a> -<span class="sourceLineNo">053</span> LOG.debug("Finished recovering queue for group " + walGroupId + " of peer "<a name="line.53"></a> -<span class="sourceLineNo">054</span> + source.getQueueId());<a name="line.54"></a> -<span class="sourceLineNo">055</span> source.getSourceMetrics().incrCompletedRecoveryQueue();<a name="line.55"></a> -<span class="sourceLineNo">056</span> setWorkerState(WorkerState.FINISHED);<a name="line.56"></a> -<span class="sourceLineNo">057</span> }<a name="line.57"></a> -<span class="sourceLineNo">058</span> }<a name="line.58"></a> -<span class="sourceLineNo">059</span><a name="line.59"></a> -<span class="sourceLineNo">060</span> @Override<a name="line.60"></a> -<span class="sourceLineNo">061</span> protected void postFinish() {<a name="line.61"></a> -<span class="sourceLineNo">062</span> source.tryFinish();<a name="line.62"></a> -<span class="sourceLineNo">063</span> }<a name="line.63"></a> -<span class="sourceLineNo">064</span><a name="line.64"></a> -<span class="sourceLineNo">065</span> @Override<a name="line.65"></a> -<span class="sourceLineNo">066</span> public long getStartPosition() {<a name="line.66"></a> -<span class="sourceLineNo">067</span> long startPosition = getRecoveredQueueStartPos();<a name="line.67"></a> -<span class="sourceLineNo">068</span> int numRetries = 0;<a name="line.68"></a> -<span class="sourceLineNo">069</span> while (numRetries <= maxRetriesMultiplier) {<a name="line.69"></a> -<span class="sourceLineNo">070</span> try {<a name="line.70"></a> -<span class="sourceLineNo">071</span> source.locateRecoveredPaths(queue);<a name="line.71"></a> -<span class="sourceLineNo">072</span> break;<a name="line.72"></a> -<span class="sourceLineNo">073</span> } catch (IOException e) {<a name="line.73"></a> -<span class="sourceLineNo">074</span> LOG.error("Error while locating recovered queue paths, attempt #" + numRetries);<a name="line.74"></a> -<span class="sourceLineNo">075</span> numRetries++;<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> return startPosition;<a name="line.78"></a> -<span class="sourceLineNo">079</span> }<a name="line.79"></a> -<span class="sourceLineNo">080</span><a name="line.80"></a> -<span class="sourceLineNo">081</span> // If this is a recovered queue, the queue is already full and the first log<a name="line.81"></a> -<span class="sourceLineNo">082</span> // normally has a position (unless the RS failed between 2 logs)<a name="line.82"></a> -<span class="sourceLineNo">083</span> private long getRecoveredQueueStartPos() {<a name="line.83"></a> -<span class="sourceLineNo">084</span> long startPosition = 0;<a name="line.84"></a> -<span class="sourceLineNo">085</span> String peerClusterZnode = source.getQueueId();<a name="line.85"></a> -<span class="sourceLineNo">086</span> try {<a name="line.86"></a> -<span class="sourceLineNo">087</span> startPosition = this.replicationQueues.getWALPosition(source.getServerWALsBelongTo(),<a name="line.87"></a> -<span class="sourceLineNo">088</span> peerClusterZnode, this.queue.peek().getName());<a name="line.88"></a> -<span class="sourceLineNo">089</span> if (LOG.isTraceEnabled()) {<a name="line.89"></a> -<span class="sourceLineNo">090</span> LOG.trace("Recovered queue started with log " + this.queue.peek() + " at position " +<a name="line.90"></a> -<span class="sourceLineNo">091</span> startPosition);<a name="line.91"></a> -<span class="sourceLineNo">092</span> }<a name="line.92"></a> -<span class="sourceLineNo">093</span> } catch (ReplicationException e) {<a name="line.93"></a> -<span class="sourceLineNo">094</span> terminate("Couldn't get the position of this recovered queue " + peerClusterZnode, e);<a name="line.94"></a> -<span class="sourceLineNo">095</span> }<a name="line.95"></a> -<span class="sourceLineNo">096</span> return startPosition;<a name="line.96"></a> -<span class="sourceLineNo">097</span> }<a name="line.97"></a> -<span class="sourceLineNo">098</span><a name="line.98"></a> -<span class="sourceLineNo">099</span> private void terminate(String reason, Exception cause) {<a name="line.99"></a> -<span class="sourceLineNo">100</span> if (cause == null) {<a name="line.100"></a> -<span class="sourceLineNo">101</span> LOG.info("Closing worker for wal group " + this.walGroupId + " because: " + reason);<a name="line.101"></a> -<span class="sourceLineNo">102</span><a name="line.102"></a> -<span class="sourceLineNo">103</span> } else {<a name="line.103"></a> -<span class="sourceLineNo">104</span> LOG.error("Closing worker for wal group " + this.walGroupId<a name="line.104"></a> -<span class="sourceLineNo">105</span> + " because an error occurred: " + reason, cause);<a name="line.105"></a> -<span class="sourceLineNo">106</span> }<a name="line.106"></a> -<span class="sourceLineNo">107</span> entryReader.interrupt();<a name="line.107"></a> -<span class="sourceLineNo">108</span> Threads.shutdown(entryReader, sleepForRetries);<a name="line.108"></a> -<span class="sourceLineNo">109</span> this.interrupt();<a name="line.109"></a> -<span class="sourceLineNo">110</span> Threads.shutdown(this, sleepForRetries);<a name="line.110"></a> -<span class="sourceLineNo">111</span> LOG.info("ReplicationSourceWorker " + this.getName() + " terminated");<a name="line.111"></a> -<span class="sourceLineNo">112</span> }<a name="line.112"></a> -<span class="sourceLineNo">113</span>}<a name="line.113"></a> +<span class="sourceLineNo">051</span> protected void noMoreData() {<a name="line.51"></a> +<span class="sourceLineNo">052</span> LOG.debug("Finished recovering queue for group {} of peer {}", walGroupId, source.getQueueId());<a name="line.52"></a> +<span class="sourceLineNo">053</span> source.getSourceMetrics().incrCompletedRecoveryQueue();<a name="line.53"></a> +<span class="sourceLineNo">054</span> setWorkerState(WorkerState.FINISHED);<a name="line.54"></a> +<span class="sourceLineNo">055</span> }<a name="line.55"></a> +<span class="sourceLineNo">056</span><a name="line.56"></a> +<span class="sourceLineNo">057</span> @Override<a name="line.57"></a> +<span class="sourceLineNo">058</span> protected void postFinish() {<a name="line.58"></a> +<span class="sourceLineNo">059</span> source.tryFinish();<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> @Override<a name="line.62"></a> +<span class="sourceLineNo">063</span> long getStartPosition() {<a name="line.63"></a> +<span class="sourceLineNo">064</span> long startPosition = getRecoveredQueueStartPos();<a name="line.64"></a> +<span class="sourceLineNo">065</span> int numRetries = 0;<a name="line.65"></a> +<span class="sourceLineNo">066</span> while (numRetries <= maxRetriesMultiplier) {<a name="line.66"></a> +<span class="sourceLineNo">067</span> try {<a name="line.67"></a> +<span class="sourceLineNo">068</span> source.locateRecoveredPaths(queue);<a name="line.68"></a> +<span class="sourceLineNo">069</span> break;<a name="line.69"></a> +<span class="sourceLineNo">070</span> } catch (IOException e) {<a name="line.70"></a> +<span class="sourceLineNo">071</span> LOG.error("Error while locating recovered queue paths, attempt #" + numRetries);<a name="line.71"></a> +<span class="sourceLineNo">072</span> numRetries++;<a name="line.72"></a> +<span class="sourceLineNo">073</span> }<a name="line.73"></a> +<span class="sourceLineNo">074</span> }<a name="line.74"></a> +<span class="sourceLineNo">075</span> return startPosition;<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> // If this is a recovered queue, the queue is already full and the first log<a name="line.78"></a> +<span class="sourceLineNo">079</span> // normally has a position (unless the RS failed between 2 logs)<a name="line.79"></a> +<span class="sourceLineNo">080</span> private long getRecoveredQueueStartPos() {<a name="line.80"></a> +<span class="sourceLineNo">081</span> long startPosition = 0;<a name="line.81"></a> +<span class="sourceLineNo">082</span> String peerClusterZnode = source.getQueueId();<a name="line.82"></a> +<span class="sourceLineNo">083</span> try {<a name="line.83"></a> +<span class="sourceLineNo">084</span> startPosition = this.replicationQueues.getWALPosition(source.getServerWALsBelongTo(),<a name="line.84"></a> +<span class="sourceLineNo">085</span> peerClusterZnode, this.queue.peek().getName());<a name="line.85"></a> +<span class="sourceLineNo">086</span> if (LOG.isTraceEnabled()) {<a name="line.86"></a> +<span class="sourceLineNo">087</span> LOG.trace("Recovered queue started with log " + this.queue.peek() + " at position " +<a name="line.87"></a> +<span class="sourceLineNo">088</span> startPosition);<a name="line.88"></a> +<span class="sourceLineNo">089</span> }<a name="line.89"></a> +<span class="sourceLineNo">090</span> } catch (ReplicationException e) {<a name="line.90"></a> +<span class="sourceLineNo">091</span> terminate("Couldn't get the position of this recovered queue " + peerClusterZnode, e);<a name="line.91"></a> +<span class="sourceLineNo">092</span> }<a name="line.92"></a> +<span class="sourceLineNo">093</span> return startPosition;<a name="line.93"></a> +<span class="sourceLineNo">094</span> }<a name="line.94"></a> +<span class="sourceLineNo">095</span><a name="line.95"></a> +<span class="sourceLineNo">096</span> private void terminate(String reason, Exception cause) {<a name="line.96"></a> +<span class="sourceLineNo">097</span> if (cause == null) {<a name="line.97"></a> +<span class="sourceLineNo">098</span> LOG.info("Closing worker for wal group " + this.walGroupId + " because: " + reason);<a name="line.98"></a> +<span class="sourceLineNo">099</span><a name="line.99"></a> +<span class="sourceLineNo">100</span> } else {<a name="line.100"></a> +<span class="sourceLineNo">101</span> LOG.error("Closing worker for wal group " + this.walGroupId<a name="line.101"></a> +<span class="sourceLineNo">102</span> + " because an error occurred: " + reason, cause);<a name="line.102"></a> +<span class="sourceLineNo">103</span> }<a name="line.103"></a> +<span class="sourceLineNo">104</span> entryReader.interrupt();<a name="line.104"></a> +<span class="sourceLineNo">105</span> Threads.shutdown(entryReader, sleepForRetries);<a name="line.105"></a> +<span class="sourceLineNo">106</span> this.interrupt();<a name="line.106"></a> +<span class="sourceLineNo">107</span> Threads.shutdown(this, sleepForRetries);<a name="line.107"></a> +<span class="sourceLineNo">108</span> LOG.info("ReplicationSourceWorker " + this.getName() + " terminated");<a name="line.108"></a> +<span class="sourceLineNo">109</span> }<a name="line.109"></a> +<span class="sourceLineNo">110</span>}<a name="line.110"></a> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/fd35fe02/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSource.LogsComparator.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSource.LogsComparator.html b/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSource.LogsComparator.html index 182e566..4eb9011 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSource.LogsComparator.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSource.LogsComparator.html @@ -323,7 +323,7 @@ <span class="sourceLineNo">315</span> return new ReplicationSourceShipper(conf, walGroupId, queue, this);<a name="line.315"></a> <span class="sourceLineNo">316</span> }<a name="line.316"></a> <span class="sourceLineNo">317</span><a name="line.317"></a> -<span class="sourceLineNo">318</span> protected ReplicationSourceWALReader createNewWALReader(String walGroupId,<a name="line.318"></a> +<span class="sourceLineNo">318</span> private ReplicationSourceWALReader createNewWALReader(String walGroupId,<a name="line.318"></a> <span class="sourceLineNo">319</span> PriorityBlockingQueue<Path> queue, long startPosition) {<a name="line.319"></a> <span class="sourceLineNo">320</span> return replicationPeer.getPeerConfig().isSerial()<a name="line.320"></a> <span class="sourceLineNo">321</span> ? new SerialReplicationSourceWALReader(fs, conf, queue, startPosition, walEntryFilter, this)<a name="line.321"></a> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/fd35fe02/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSource.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSource.html b/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSource.html index 182e566..4eb9011 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSource.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSource.html @@ -323,7 +323,7 @@ <span class="sourceLineNo">315</span> return new ReplicationSourceShipper(conf, walGroupId, queue, this);<a name="line.315"></a> <span class="sourceLineNo">316</span> }<a name="line.316"></a> <span class="sourceLineNo">317</span><a name="line.317"></a> -<span class="sourceLineNo">318</span> protected ReplicationSourceWALReader createNewWALReader(String walGroupId,<a name="line.318"></a> +<span class="sourceLineNo">318</span> private ReplicationSourceWALReader createNewWALReader(String walGroupId,<a name="line.318"></a> <span class="sourceLineNo">319</span> PriorityBlockingQueue<Path> queue, long startPosition) {<a name="line.319"></a> <span class="sourceLineNo">320</span> return replicationPeer.getPeerConfig().isSerial()<a name="line.320"></a> <span class="sourceLineNo">321</span> ? new SerialReplicationSourceWALReader(fs, conf, queue, startPosition, walEntryFilter, this)<a name="line.321"></a>
