http://git-wip-us.apache.org/repos/asf/hbase-site/blob/883dde2f/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 a99b4a7..119472c 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
@@ -109,528 +109,529 @@
 <span class="sourceLineNo">101</span>  protected FileSystem fs;<a 
name="line.101"></a>
 <span class="sourceLineNo">102</span>  // id of this cluster<a 
name="line.102"></a>
 <span class="sourceLineNo">103</span>  private UUID clusterId;<a 
name="line.103"></a>
-<span class="sourceLineNo">104</span>  // id of the other cluster<a 
name="line.104"></a>
-<span class="sourceLineNo">105</span>  private UUID peerClusterId;<a 
name="line.105"></a>
-<span class="sourceLineNo">106</span>  // total number of edits we 
replicated<a name="line.106"></a>
-<span class="sourceLineNo">107</span>  private AtomicLong totalReplicatedEdits 
= new AtomicLong(0);<a name="line.107"></a>
-<span class="sourceLineNo">108</span>  // The znode we currently play with<a 
name="line.108"></a>
-<span class="sourceLineNo">109</span>  protected String queueId;<a 
name="line.109"></a>
-<span class="sourceLineNo">110</span>  // Maximum number of retries before 
taking bold actions<a name="line.110"></a>
-<span class="sourceLineNo">111</span>  private int maxRetriesMultiplier;<a 
name="line.111"></a>
-<span class="sourceLineNo">112</span>  // Indicates if this particular source 
is running<a name="line.112"></a>
-<span class="sourceLineNo">113</span>  private volatile boolean sourceRunning 
= false;<a name="line.113"></a>
-<span class="sourceLineNo">114</span>  // Metrics for this source<a 
name="line.114"></a>
-<span class="sourceLineNo">115</span>  private MetricsSource metrics;<a 
name="line.115"></a>
-<span class="sourceLineNo">116</span>  // WARN threshold for the number of 
queued logs, defaults to 2<a name="line.116"></a>
-<span class="sourceLineNo">117</span>  private int logQueueWarnThreshold;<a 
name="line.117"></a>
-<span class="sourceLineNo">118</span>  // ReplicationEndpoint which will 
handle the actual replication<a name="line.118"></a>
-<span class="sourceLineNo">119</span>  private volatile ReplicationEndpoint 
replicationEndpoint;<a name="line.119"></a>
-<span class="sourceLineNo">120</span>  // A filter (or a chain of filters) for 
the WAL entries.<a name="line.120"></a>
-<span class="sourceLineNo">121</span>  protected WALEntryFilter 
walEntryFilter;<a name="line.121"></a>
-<span class="sourceLineNo">122</span>  // throttler<a name="line.122"></a>
-<span class="sourceLineNo">123</span>  private ReplicationThrottler 
throttler;<a name="line.123"></a>
-<span class="sourceLineNo">124</span>  private long defaultBandwidth;<a 
name="line.124"></a>
-<span class="sourceLineNo">125</span>  private long currentBandwidth;<a 
name="line.125"></a>
-<span class="sourceLineNo">126</span>  private WALFileLengthProvider 
walFileLengthProvider;<a name="line.126"></a>
-<span class="sourceLineNo">127</span>  protected final 
ConcurrentHashMap&lt;String, ReplicationSourceShipper&gt; workerThreads =<a 
name="line.127"></a>
-<span class="sourceLineNo">128</span>      new ConcurrentHashMap&lt;&gt;();<a 
name="line.128"></a>
+<span class="sourceLineNo">104</span>  // total number of edits we 
replicated<a name="line.104"></a>
+<span class="sourceLineNo">105</span>  private AtomicLong totalReplicatedEdits 
= new AtomicLong(0);<a name="line.105"></a>
+<span class="sourceLineNo">106</span>  // The znode we currently play with<a 
name="line.106"></a>
+<span class="sourceLineNo">107</span>  protected String queueId;<a 
name="line.107"></a>
+<span class="sourceLineNo">108</span>  // Maximum number of retries before 
taking bold actions<a name="line.108"></a>
+<span class="sourceLineNo">109</span>  private int maxRetriesMultiplier;<a 
name="line.109"></a>
+<span class="sourceLineNo">110</span>  // Indicates if this particular source 
is running<a name="line.110"></a>
+<span class="sourceLineNo">111</span>  private volatile boolean sourceRunning 
= false;<a name="line.111"></a>
+<span class="sourceLineNo">112</span>  // Metrics for this source<a 
name="line.112"></a>
+<span class="sourceLineNo">113</span>  private MetricsSource metrics;<a 
name="line.113"></a>
+<span class="sourceLineNo">114</span>  // WARN threshold for the number of 
queued logs, defaults to 2<a name="line.114"></a>
+<span class="sourceLineNo">115</span>  private int logQueueWarnThreshold;<a 
name="line.115"></a>
+<span class="sourceLineNo">116</span>  // ReplicationEndpoint which will 
handle the actual replication<a name="line.116"></a>
+<span class="sourceLineNo">117</span>  private volatile ReplicationEndpoint 
replicationEndpoint;<a name="line.117"></a>
+<span class="sourceLineNo">118</span>  // A filter (or a chain of filters) for 
the WAL entries.<a name="line.118"></a>
+<span class="sourceLineNo">119</span>  protected volatile WALEntryFilter 
walEntryFilter;<a name="line.119"></a>
+<span class="sourceLineNo">120</span>  // throttler<a name="line.120"></a>
+<span class="sourceLineNo">121</span>  private ReplicationThrottler 
throttler;<a name="line.121"></a>
+<span class="sourceLineNo">122</span>  private long defaultBandwidth;<a 
name="line.122"></a>
+<span class="sourceLineNo">123</span>  private long currentBandwidth;<a 
name="line.123"></a>
+<span class="sourceLineNo">124</span>  private WALFileLengthProvider 
walFileLengthProvider;<a name="line.124"></a>
+<span class="sourceLineNo">125</span>  protected final 
ConcurrentHashMap&lt;String, ReplicationSourceShipper&gt; workerThreads =<a 
name="line.125"></a>
+<span class="sourceLineNo">126</span>      new ConcurrentHashMap&lt;&gt;();<a 
name="line.126"></a>
+<span class="sourceLineNo">127</span><a name="line.127"></a>
+<span class="sourceLineNo">128</span>  private AtomicLong totalBufferUsed;<a 
name="line.128"></a>
 <span class="sourceLineNo">129</span><a name="line.129"></a>
-<span class="sourceLineNo">130</span>  private AtomicLong totalBufferUsed;<a 
name="line.130"></a>
-<span class="sourceLineNo">131</span><a name="line.131"></a>
-<span class="sourceLineNo">132</span>  public static final String 
WAIT_ON_ENDPOINT_SECONDS =<a name="line.132"></a>
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"hbase.replication.wait.on.endpoint.seconds";<a name="line.133"></a>
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DEFAULT_WAIT_ON_ENDPOINT_SECONDS = 30;<a name="line.134"></a>
-<span class="sourceLineNo">135</span>  private int waitOnEndpointSeconds = 
-1;<a name="line.135"></a>
+<span class="sourceLineNo">130</span>  public static final String 
WAIT_ON_ENDPOINT_SECONDS =<a name="line.130"></a>
+<span class="sourceLineNo">131</span>    
"hbase.replication.wait.on.endpoint.seconds";<a name="line.131"></a>
+<span class="sourceLineNo">132</span>  public static final int 
DEFAULT_WAIT_ON_ENDPOINT_SECONDS = 30;<a name="line.132"></a>
+<span class="sourceLineNo">133</span>  private int waitOnEndpointSeconds = 
-1;<a name="line.133"></a>
+<span class="sourceLineNo">134</span><a name="line.134"></a>
+<span class="sourceLineNo">135</span>  private Thread initThread;<a 
name="line.135"></a>
 <span class="sourceLineNo">136</span><a name="line.136"></a>
-<span class="sourceLineNo">137</span>  private Thread initThread;<a 
name="line.137"></a>
-<span class="sourceLineNo">138</span><a name="line.138"></a>
-<span class="sourceLineNo">139</span>  /**<a name="line.139"></a>
-<span class="sourceLineNo">140</span>   * Instantiation method used by region 
servers<a name="line.140"></a>
-<span class="sourceLineNo">141</span>   * @param conf configuration to use<a 
name="line.141"></a>
-<span class="sourceLineNo">142</span>   * @param fs file system to use<a 
name="line.142"></a>
-<span class="sourceLineNo">143</span>   * @param manager replication manager 
to ping to<a name="line.143"></a>
-<span class="sourceLineNo">144</span>   * @param server the server for this 
region server<a name="line.144"></a>
-<span class="sourceLineNo">145</span>   * @param queueId the id of our 
replication queue<a name="line.145"></a>
-<span class="sourceLineNo">146</span>   * @param clusterId unique UUID for the 
cluster<a name="line.146"></a>
-<span class="sourceLineNo">147</span>   * @param metrics metrics for 
replication source<a name="line.147"></a>
-<span class="sourceLineNo">148</span>   */<a name="line.148"></a>
-<span class="sourceLineNo">149</span>  @Override<a name="line.149"></a>
-<span class="sourceLineNo">150</span>  public void init(Configuration conf, 
FileSystem fs, ReplicationSourceManager manager,<a name="line.150"></a>
-<span class="sourceLineNo">151</span>      ReplicationQueueStorage 
queueStorage, ReplicationPeer replicationPeer, Server server,<a 
name="line.151"></a>
-<span class="sourceLineNo">152</span>      String queueId, UUID clusterId, 
WALFileLengthProvider walFileLengthProvider,<a name="line.152"></a>
-<span class="sourceLineNo">153</span>      MetricsSource metrics) throws 
IOException {<a name="line.153"></a>
-<span class="sourceLineNo">154</span>    this.server = server;<a 
name="line.154"></a>
-<span class="sourceLineNo">155</span>    this.conf = 
HBaseConfiguration.create(conf);<a name="line.155"></a>
-<span class="sourceLineNo">156</span>    this.waitOnEndpointSeconds =<a 
name="line.156"></a>
-<span class="sourceLineNo">157</span>      
this.conf.getInt(WAIT_ON_ENDPOINT_SECONDS, DEFAULT_WAIT_ON_ENDPOINT_SECONDS);<a 
name="line.157"></a>
-<span class="sourceLineNo">158</span>    decorateConf();<a name="line.158"></a>
-<span class="sourceLineNo">159</span>    this.sleepForRetries =<a 
name="line.159"></a>
-<span class="sourceLineNo">160</span>        
this.conf.getLong("replication.source.sleepforretries", 1000);    // 1 second<a 
name="line.160"></a>
-<span class="sourceLineNo">161</span>    this.maxRetriesMultiplier =<a 
name="line.161"></a>
-<span class="sourceLineNo">162</span>        
this.conf.getInt("replication.source.maxretriesmultiplier", 300); // 5 minutes 
@ 1 sec per<a name="line.162"></a>
-<span class="sourceLineNo">163</span>    this.queueSizePerGroup = 
this.conf.getInt("hbase.regionserver.maxlogs", 32);<a name="line.163"></a>
-<span class="sourceLineNo">164</span>    this.queueStorage = queueStorage;<a 
name="line.164"></a>
-<span class="sourceLineNo">165</span>    this.replicationPeer = 
replicationPeer;<a name="line.165"></a>
-<span class="sourceLineNo">166</span>    this.manager = manager;<a 
name="line.166"></a>
-<span class="sourceLineNo">167</span>    this.fs = fs;<a name="line.167"></a>
-<span class="sourceLineNo">168</span>    this.metrics = metrics;<a 
name="line.168"></a>
-<span class="sourceLineNo">169</span>    this.clusterId = clusterId;<a 
name="line.169"></a>
-<span class="sourceLineNo">170</span><a name="line.170"></a>
-<span class="sourceLineNo">171</span>    this.queueId = queueId;<a 
name="line.171"></a>
-<span class="sourceLineNo">172</span>    this.replicationQueueInfo = new 
ReplicationQueueInfo(queueId);<a name="line.172"></a>
-<span class="sourceLineNo">173</span>    // ReplicationQueueInfo parses the 
peerId out of the znode for us<a name="line.173"></a>
-<span class="sourceLineNo">174</span>    this.peerId = 
this.replicationQueueInfo.getPeerId();<a name="line.174"></a>
-<span class="sourceLineNo">175</span>    this.logQueueWarnThreshold = 
this.conf.getInt("replication.source.log.queue.warn", 2);<a name="line.175"></a>
-<span class="sourceLineNo">176</span><a name="line.176"></a>
-<span class="sourceLineNo">177</span>    defaultBandwidth = 
this.conf.getLong("replication.source.per.peer.node.bandwidth", 0);<a 
name="line.177"></a>
-<span class="sourceLineNo">178</span>    currentBandwidth = 
getCurrentBandwidth();<a name="line.178"></a>
-<span class="sourceLineNo">179</span>    this.throttler = new 
ReplicationThrottler((double) currentBandwidth / 10.0);<a name="line.179"></a>
-<span class="sourceLineNo">180</span>    this.totalBufferUsed = 
manager.getTotalBufferUsed();<a name="line.180"></a>
-<span class="sourceLineNo">181</span>    this.walFileLengthProvider = 
walFileLengthProvider;<a name="line.181"></a>
-<span class="sourceLineNo">182</span>    LOG.info("queueId=" + queueId + ", 
ReplicationSource : " + peerId<a name="line.182"></a>
-<span class="sourceLineNo">183</span>        + ", currentBandwidth=" + 
this.currentBandwidth);<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>  private void decorateConf() {<a 
name="line.186"></a>
-<span class="sourceLineNo">187</span>    String replicationCodec = 
this.conf.get(HConstants.REPLICATION_CODEC_CONF_KEY);<a name="line.187"></a>
-<span class="sourceLineNo">188</span>    if 
(StringUtils.isNotEmpty(replicationCodec)) {<a name="line.188"></a>
-<span class="sourceLineNo">189</span>      
this.conf.set(HConstants.RPC_CODEC_CONF_KEY, replicationCodec);<a 
name="line.189"></a>
-<span class="sourceLineNo">190</span>    }<a name="line.190"></a>
-<span class="sourceLineNo">191</span>  }<a name="line.191"></a>
-<span class="sourceLineNo">192</span><a name="line.192"></a>
-<span class="sourceLineNo">193</span>  @Override<a name="line.193"></a>
-<span class="sourceLineNo">194</span>  public void enqueueLog(Path log) {<a 
name="line.194"></a>
-<span class="sourceLineNo">195</span>    String logPrefix = 
AbstractFSWALProvider.getWALPrefixFromWALName(log.getName());<a 
name="line.195"></a>
-<span class="sourceLineNo">196</span>    PriorityBlockingQueue&lt;Path&gt; 
queue = queues.get(logPrefix);<a name="line.196"></a>
-<span class="sourceLineNo">197</span>    if (queue == null) {<a 
name="line.197"></a>
-<span class="sourceLineNo">198</span>      queue = new 
PriorityBlockingQueue&lt;&gt;(queueSizePerGroup, new LogsComparator());<a 
name="line.198"></a>
-<span class="sourceLineNo">199</span>      queues.put(logPrefix, queue);<a 
name="line.199"></a>
-<span class="sourceLineNo">200</span>      if (this.isSourceActive() 
&amp;&amp; this.replicationEndpoint != null) {<a name="line.200"></a>
-<span class="sourceLineNo">201</span>        // new wal group observed after 
source startup, start a new worker thread to track it<a name="line.201"></a>
-<span class="sourceLineNo">202</span>        // notice: it's possible that log 
enqueued when this.running is set but worker thread<a name="line.202"></a>
-<span class="sourceLineNo">203</span>        // still not launched, so it's 
necessary to check workerThreads before start the worker<a name="line.203"></a>
-<span class="sourceLineNo">204</span>        tryStartNewShipper(logPrefix, 
queue);<a name="line.204"></a>
-<span class="sourceLineNo">205</span>      }<a name="line.205"></a>
-<span class="sourceLineNo">206</span>    }<a name="line.206"></a>
-<span class="sourceLineNo">207</span>    queue.put(log);<a name="line.207"></a>
-<span class="sourceLineNo">208</span>    this.metrics.incrSizeOfLogQueue();<a 
name="line.208"></a>
-<span class="sourceLineNo">209</span>    // This will log a warning for each 
new log that gets created above the warn threshold<a name="line.209"></a>
-<span class="sourceLineNo">210</span>    int queueSize = queue.size();<a 
name="line.210"></a>
-<span class="sourceLineNo">211</span>    if (queueSize &gt; 
this.logQueueWarnThreshold) {<a name="line.211"></a>
-<span class="sourceLineNo">212</span>      LOG.warn("WAL group " + logPrefix + 
" queue size: " + queueSize<a name="line.212"></a>
-<span class="sourceLineNo">213</span>          + " exceeds value of 
replication.source.log.queue.warn: " + logQueueWarnThreshold);<a 
name="line.213"></a>
-<span class="sourceLineNo">214</span>    }<a name="line.214"></a>
-<span class="sourceLineNo">215</span>  }<a name="line.215"></a>
-<span class="sourceLineNo">216</span><a name="line.216"></a>
-<span class="sourceLineNo">217</span>  @Override<a name="line.217"></a>
-<span class="sourceLineNo">218</span>  public void addHFileRefs(TableName 
tableName, byte[] family, List&lt;Pair&lt;Path, Path&gt;&gt; pairs)<a 
name="line.218"></a>
-<span class="sourceLineNo">219</span>      throws ReplicationException {<a 
name="line.219"></a>
-<span class="sourceLineNo">220</span>    Map&lt;TableName, 
List&lt;String&gt;&gt; tableCFMap = replicationPeer.getTableCFs();<a 
name="line.220"></a>
-<span class="sourceLineNo">221</span>    if (tableCFMap != null) {<a 
name="line.221"></a>
-<span class="sourceLineNo">222</span>      List&lt;String&gt; tableCfs = 
tableCFMap.get(tableName);<a name="line.222"></a>
-<span class="sourceLineNo">223</span>      if 
(tableCFMap.containsKey(tableName)<a name="line.223"></a>
-<span class="sourceLineNo">224</span>          &amp;&amp; (tableCfs == null || 
tableCfs.contains(Bytes.toString(family)))) {<a name="line.224"></a>
-<span class="sourceLineNo">225</span>        
this.queueStorage.addHFileRefs(peerId, pairs);<a name="line.225"></a>
-<span class="sourceLineNo">226</span>        
metrics.incrSizeOfHFileRefsQueue(pairs.size());<a name="line.226"></a>
-<span class="sourceLineNo">227</span>      } else {<a name="line.227"></a>
-<span class="sourceLineNo">228</span>        LOG.debug("HFiles will not be 
replicated belonging to the table " + tableName + " family "<a 
name="line.228"></a>
-<span class="sourceLineNo">229</span>            + Bytes.toString(family) + " 
to peer id " + peerId);<a name="line.229"></a>
-<span class="sourceLineNo">230</span>      }<a name="line.230"></a>
-<span class="sourceLineNo">231</span>    } else {<a name="line.231"></a>
-<span class="sourceLineNo">232</span>      // user has explicitly not defined 
any table cfs for replication, means replicate all the<a name="line.232"></a>
-<span class="sourceLineNo">233</span>      // data<a name="line.233"></a>
-<span class="sourceLineNo">234</span>      
this.queueStorage.addHFileRefs(peerId, pairs);<a name="line.234"></a>
-<span class="sourceLineNo">235</span>      
metrics.incrSizeOfHFileRefsQueue(pairs.size());<a name="line.235"></a>
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-<span class="sourceLineNo">238</span><a name="line.238"></a>
-<span class="sourceLineNo">239</span>  private ReplicationEndpoint 
createReplicationEndpoint()<a name="line.239"></a>
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IllegalAccessException, ClassNotFoundException, IOException {<a 
name="line.240"></a>
-<span class="sourceLineNo">241</span>    RegionServerCoprocessorHost 
rsServerHost = null;<a name="line.241"></a>
-<span class="sourceLineNo">242</span>    if (server instanceof HRegionServer) 
{<a name="line.242"></a>
-<span class="sourceLineNo">243</span>      rsServerHost = ((HRegionServer) 
server).getRegionServerCoprocessorHost();<a name="line.243"></a>
-<span class="sourceLineNo">244</span>    }<a name="line.244"></a>
-<span class="sourceLineNo">245</span>    String replicationEndpointImpl = 
replicationPeer.getPeerConfig().getReplicationEndpointImpl();<a 
name="line.245"></a>
-<span class="sourceLineNo">246</span><a name="line.246"></a>
-<span class="sourceLineNo">247</span>    ReplicationEndpoint 
replicationEndpoint;<a name="line.247"></a>
-<span class="sourceLineNo">248</span>    if (replicationEndpointImpl == null) 
{<a name="line.248"></a>
-<span class="sourceLineNo">249</span>      // Default to HBase inter-cluster 
replication endpoint; skip reflection<a name="line.249"></a>
-<span class="sourceLineNo">250</span>      replicationEndpoint = new 
HBaseInterClusterReplicationEndpoint();<a name="line.250"></a>
-<span class="sourceLineNo">251</span>    } else {<a name="line.251"></a>
-<span class="sourceLineNo">252</span>      try {<a name="line.252"></a>
-<span class="sourceLineNo">253</span>        replicationEndpoint = 
Class.forName(replicationEndpointImpl)<a name="line.253"></a>
-<span class="sourceLineNo">254</span>            
.asSubclass(ReplicationEndpoint.class)<a name="line.254"></a>
-<span class="sourceLineNo">255</span>            .getDeclaredConstructor()<a 
name="line.255"></a>
-<span class="sourceLineNo">256</span>            .newInstance();<a 
name="line.256"></a>
-<span class="sourceLineNo">257</span>      } catch (NoSuchMethodException | 
InvocationTargetException e) {<a name="line.257"></a>
-<span class="sourceLineNo">258</span>        throw new 
IllegalArgumentException(e);<a name="line.258"></a>
-<span class="sourceLineNo">259</span>      }<a name="line.259"></a>
-<span class="sourceLineNo">260</span>    }<a name="line.260"></a>
-<span class="sourceLineNo">261</span>    if (rsServerHost != null) {<a 
name="line.261"></a>
-<span class="sourceLineNo">262</span>      ReplicationEndpoint 
newReplicationEndPoint =<a name="line.262"></a>
-<span class="sourceLineNo">263</span>        
rsServerHost.postCreateReplicationEndPoint(replicationEndpoint);<a 
name="line.263"></a>
-<span class="sourceLineNo">264</span>      if (newReplicationEndPoint != null) 
{<a name="line.264"></a>
-<span class="sourceLineNo">265</span>        // Override the newly created 
endpoint from the hook with configured end point<a name="line.265"></a>
-<span class="sourceLineNo">266</span>        replicationEndpoint = 
newReplicationEndPoint;<a name="line.266"></a>
-<span class="sourceLineNo">267</span>      }<a name="line.267"></a>
-<span class="sourceLineNo">268</span>    }<a name="line.268"></a>
-<span class="sourceLineNo">269</span>    return replicationEndpoint;<a 
name="line.269"></a>
-<span class="sourceLineNo">270</span>  }<a name="line.270"></a>
-<span class="sourceLineNo">271</span><a name="line.271"></a>
-<span class="sourceLineNo">272</span>  private void 
initAndStartReplicationEndpoint(ReplicationEndpoint replicationEndpoint)<a 
name="line.272"></a>
-<span class="sourceLineNo">273</span>      throws IOException, 
TimeoutException {<a name="line.273"></a>
-<span class="sourceLineNo">274</span>    TableDescriptors tableDescriptors = 
null;<a name="line.274"></a>
-<span class="sourceLineNo">275</span>    if (server instanceof HRegionServer) 
{<a name="line.275"></a>
-<span class="sourceLineNo">276</span>      tableDescriptors = ((HRegionServer) 
server).getTableDescriptors();<a name="line.276"></a>
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-<span class="sourceLineNo">278</span>    replicationEndpoint<a 
name="line.278"></a>
-<span class="sourceLineNo">279</span>        .init(new 
ReplicationEndpoint.Context(conf, replicationPeer.getConfiguration(), fs, 
peerId,<a name="line.279"></a>
-<span class="sourceLineNo">280</span>            clusterId, replicationPeer, 
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" queue size: " + queueSize<a name="line.210"></a>
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this.queueStorage.addHFileRefs(peerId, pairs);<a name="line.223"></a>
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metrics.incrSizeOfHFileRefsQueue(pairs.size());<a name="line.224"></a>
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to peer id " + peerId);<a name="line.227"></a>
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this.queueStorage.addHFileRefs(peerId, pairs);<a name="line.232"></a>
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metrics.incrSizeOfHFileRefsQueue(pairs.size());<a name="line.233"></a>
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createReplicationEndpoint()<a name="line.237"></a>
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IllegalAccessException, ClassNotFoundException, IOException {<a 
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rsServerHost = null;<a name="line.239"></a>
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+<span class="sourceLineNo">244</span><a name="line.244"></a>
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Class.forName(replicationEndpointImpl)<a name="line.251"></a>
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.asSubclass(ReplicationEndpoint.class)<a name="line.252"></a>
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+<span class="sourceLineNo">254</span>            .newInstance();<a 
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InvocationTargetException e) {<a name="line.255"></a>
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IllegalArgumentException(e);<a name="line.256"></a>
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+<span class="sourceLineNo">258</span>    }<a name="line.258"></a>
+<span class="sourceLineNo">259</span>    if (rsServerHost != null) {<a 
name="line.259"></a>
+<span class="sourceLineNo">260</span>      ReplicationEndpoint 
newReplicationEndPoint =<a name="line.260"></a>
+<span class="sourceLineNo">261</span>        
rsServerHost.postCreateReplicationEndPoint(replicationEndpoint);<a 
name="line.261"></a>
+<span class="sourceLineNo">262</span>      if (newReplicationEndPoint != null) 
{<a name="line.262"></a>
+<span class="sourceLineNo">263</span>        // Override the newly created 
endpoint from the hook with configured end point<a name="line.263"></a>
+<span class="sourceLineNo">264</span>        replicationEndpoint = 
newReplicationEndPoint;<a name="line.264"></a>
+<span class="sourceLineNo">265</span>      }<a name="line.265"></a>
+<span class="sourceLineNo">266</span>    }<a name="line.266"></a>
+<span class="sourceLineNo">267</span>    return replicationEndpoint;<a 
name="line.267"></a>
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+<span class="sourceLineNo">269</span><a name="line.269"></a>
+<span class="sourceLineNo">270</span>  private void 
initAndStartReplicationEndpoint(ReplicationEndpoint replicationEndpoint)<a 
name="line.270"></a>
+<span class="sourceLineNo">271</span>      throws IOException, 
TimeoutException {<a name="line.271"></a>
+<span class="sourceLineNo">272</span>    TableDescriptors tableDescriptors = 
null;<a name="line.272"></a>
+<span class="sourceLineNo">273</span>    if (server instanceof HRegionServer) 
{<a name="line.273"></a>
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server).getTableDescriptors();<a name="line.274"></a>
+<span class="sourceLineNo">275</span>    }<a name="line.275"></a>
+<span class="sourceLineNo">276</span>    replicationEndpoint<a 
name="line.276"></a>
+<span class="sourceLineNo">277</span>        .init(new 
ReplicationEndpoint.Context(conf, replicationPeer.getConfiguration(), fs, 
peerId,<a name="line.277"></a>
+<span class="sourceLineNo">278</span>            clusterId, replicationPeer, 
metrics, tableDescriptors, server));<a name="line.278"></a>
+<span class="sourceLineNo">279</span>    replicationEndpoint.start();<a 
name="line.279"></a>
+<span class="sourceLineNo">280</span>    
replicationEndpoint.awaitRunning(waitOnEndpointSeconds, TimeUnit.SECONDS);<a 
name="line.280"></a>
+<span class="sourceLineNo">281</span>  }<a name="line.281"></a>
+<span class="sourceLineNo">282</span><a name="line.282"></a>
+<span class="sourceLineNo">283</span>  private void 
initializeWALEntryFilter(UUID peerClusterId) {<a name="line.283"></a>
+<span class="sourceLineNo">284</span>    // get the WALEntryFilter from 
ReplicationEndpoint and add it to default filters<a name="line.284"></a>
+<span class="sourceLineNo">285</span>    ArrayList&lt;WALEntryFilter&gt; 
filters =<a name="line.285"></a>
+<span class="sourceLineNo">286</span>      Lists.&lt;WALEntryFilter&gt; 
newArrayList(new SystemTableWALEntryFilter());<a name="line.286"></a>
+<span class="sourceLineNo">287</span>    WALEntryFilter filterFromEndpoint = 
this.replicationEndpoint.getWALEntryfilter();<a name="line.287"></a>
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name="line.288"></a>
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name="line.289"></a>
+<span class="sourceLineNo">290</span>    }<a name="line.290"></a>
+<span class="sourceLineNo">291</span>    filters.add(new 
ClusterMarkingEntryFilter(clusterId, peerClusterId, replicationEndpoint));<a 
name="line.291"></a>
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ChainWALEntryFilter(filters);<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>  private void tryStartNewShipper(String 
walGroupId, PriorityBlockingQueue&lt;Path&gt; queue) {<a name="line.295"></a>
+<span class="sourceLineNo">296</span>    ReplicationSourceShipper worker = 
createNewShipper(walGroupId, queue);<a name="line.296"></a>
+<span class="sourceLineNo">297</span>    ReplicationSourceShipper extant = 
workerThreads.putIfAbsent(walGroupId, worker);<a name="line.297"></a>
+<span class="sourceLineNo">298</span>    if (extant != null) {<a 
name="line.298"></a>
+<span class="sourceLineNo">299</span>      LOG.debug("Someone has beat us to 
start a worker thread for wal group {}", walGroupId);<a name="line.299"></a>
+<span class="sourceLineNo">300</span>    } else {<a name="line.300"></a>
+<span class="sourceLineNo">301</span>      LOG.debug("Starting up worker for 
wal group {}", walGroupId);<a name="line.301"></a>
+<span class="sourceLineNo">302</span>      ReplicationSourceWALReader 
walReader =<a name="line.302"></a>
+<span class="sourceLineNo">303</span>        createNewWALReader(walGroupId, 
queue, worker.getStartPosition());<a name="line.303"></a>
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Threads.setDaemonThreadRunning(walReader, Thread.currentThread().getName() +<a 
name="line.304"></a>
+<span class="sourceLineNo">305</span>        ".replicationSource.wal-reader." 
+ walGroupId + "," + queueId, this::uncaughtException);<a name="line.305"></a>
+<span class="sourceLineNo">306</span>      worker.setWALReader(walReader);<a 
name="line.306"></a>
+<span class="sourceLineNo">307</span>      
worker.startup(this::uncaughtException);<a name="line.307"></a>
+<span class="sourceLineNo">308</span>    }<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>  protected ReplicationSourceShipper 
createNewShipper(String walGroupId,<a name="line.311"></a>
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queue) {<a name="line.312"></a>
+<span class="sourceLineNo">313</span>    return new 
ReplicationSourceShipper(conf, walGroupId, queue, this);<a name="line.313"></a>
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+<span class="sourceLineNo">315</span><a name="line.315"></a>
+<span class="sourceLineNo">316</span>  private ReplicationSourceWALReader 
createNewWALReader(String walGroupId,<a name="line.316"></a>
+<span class="sourceLineNo">317</span>      PriorityBlockingQueue&lt;Path&gt; 
queue, long startPosition) {<a name="line.317"></a>
+<span class="sourceLineNo">318</span>    return 
replicationPeer.getPeerConfig().isSerial()<a name="line.318"></a>
+<span class="sourceLineNo">319</span>      ? new 
SerialReplicationSourceWALReader(fs, conf, queue, startPosition, 
walEntryFilter, this)<a name="line.319"></a>
+<span class="sourceLineNo">320</span>      : new 
ReplicationSourceWALReader(fs, conf, queue, startPosition, walEntryFilter, 
this);<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>  protected final void 
uncaughtException(Thread t, Throwable e) {<a name="line.323"></a>
+<span class="sourceLineNo">324</span>    RSRpcServices.exitIfOOME(e);<a 
name="line.324"></a>
+<span class="sourceLineNo">325</span>    LOG.error("Unexpected exception in " 
+ t.getName() + " currentPath=" + getCurrentPath(), e);<a name="line.325"></a>
+<span class="sourceLineNo">326</span>    server.abort("Unexpected exception in 
" + t.getName(), e);<a name="line.326"></a>
+<span class="sourceLineNo">327</span>  }<a name="line.327"></a>
+<span class="sourceLineNo">328</span><a name="line.328"></a>
+<span class="sourceLineNo">329</span>  @Override<a name="line.329"></a>
+<span class="sourceLineNo">330</span>  public ReplicationEndpoint 
getReplicationEndpoint() {<a name="line.330"></a>
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+<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 ReplicationSourceManager 
getSourceManager() {<a name="line.335"></a>
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name="line.336"></a>
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+<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 void tryThrottle(int batchSize) 
throws InterruptedException {<a name="line.340"></a>
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checkBandwidthChangeAndResetThrottler();<a name="line.341"></a>
+<span class="sourceLineNo">342</span>    if (throttler.isEnabled()) {<a 
name="line.342"></a>
+<span class="sourceLineNo">343</span>      long sleepTicks = 
throttler.getNextSleepInterval(batchSize);<a name="line.343"></a>
+<span class="sourceLineNo">344</span>      if (sleepTicks &gt; 0) {<a 
name="line.344"></a>
+<span class="sourceLineNo">345</span>        if (LOG.isTraceEnabled()) {<a 
name="line.345"></a>
+<span class="sourceLineNo">346</span>          LOG.trace("To sleep " + 
sleepTicks + "ms for throttling control");<a name="line.346"></a>
+<span class="sourceLineNo">347</span>        }<a name="line.347"></a>
+<span class="sourceLineNo">348</span>        Thread.sleep(sleepTicks);<a 
name="line.348"></a>
+<span class="sourceLineNo">349</span>        // reset throttler's cycle start 
tick when sleep for throttling occurs<a name="line.349"></a>
+<span class="sourceLineNo">350</span>        throttler.resetStartTick();<a 
name="line.350"></a>
+<span class="sourceLineNo">351</span>      }<a name="line.351"></a>
+<span class="sourceLineNo">352</span>    }<a name="line.352"></a>
+<span class="sourceLineNo">353</span>  }<a name="line.353"></a>
+<span class="sourceLineNo">354</span><a name="line.354"></a>
+<span class="sourceLineNo">355</span>  private void 
checkBandwidthChangeAndResetThrottler() {<a name="line.355"></a>
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getCurrentBandwidth();<a name="line.356"></a>
+<span class="sourceLineNo">357</span>    if (peerBandwidth != 
currentBandwidth) {<a name="line.357"></a>
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+<span class="sourceLineNo">359</span>      throttler.setBandwidth((double) 
currentBandwidth / 10.0);<a name="line.359"></a>
+<span class="sourceLineNo">360</span>      LOG.info("ReplicationSource : " + 
peerId<a name="line.360"></a>
+<span class="sourceLineNo">361</span>          + " bandwidth throttling 
changed, currentBandWidth=" + currentBandwidth);<a name="line.361"></a>
+<span class="sourceLineNo">362</span>    }<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>  private long getCurrentBandwidth() {<a 
name="line.365"></a>
+<span class="sourceLineNo">366</span>    long peerBandwidth = 
replicationPeer.getPeerBandwidth();<a name="line.366"></a>
+<span class="sourceLineNo">367</span>    // user can set peer bandwidth to 0 
to use default bandwidth<a name="line.367"></a>
+<span class="sourceLineNo">368</span>    return peerBandwidth != 0 ? 
peerBandwidth : defaultBandwidth;<a name="line.368"></a>
+<span class="sourceLineNo">369</span>  }<a name="line.369"></a>
+<span class="sourceLineNo">370</span><a name="line.370"></a>
+<span class="sourceLineNo">371</span>  /**<a name="line.371"></a>
+<span class="sourceLineNo">372</span>   * Do the sleeping logic<a 
name="line.372"></a>
+<span class="sourceLineNo">373</span>   * @param msg Why we sleep<a 
name="line.373"></a>
+<span class="sourceLineNo">374</span>   * @param sleepMultiplier by how many 
times the default sleeping time is augmented<a name="line.374"></a>
+<span class="sourceLineNo">375</span>   * @return True if 
&lt;code&gt;sleepMultiplier&lt;/code&gt; is &amp;lt; 
&lt;code&gt;maxRetriesMultiplier&lt;/code&gt;<a name="line.375"></a>
+<span class="sourceLineNo">376</span>   */<a name="line.376"></a>
+<span class="sourceLineNo">377</span>  protected boolean 
sleepForRetries(String msg, int sleepMultiplier) {<a name="line.377"></a>
+<span class="sourceLineNo">378</span>    try {<a name="line.378"></a>
+<span class="sourceLineNo">379</span>      if (LOG.isTraceEnabled()) {<a 
name="line.379"></a>
+<span class="sourceLineNo">380</span>        LOG.trace(msg + ", sleeping " + 
sleepForRetries + " times " + sleepMultiplier);<a name="line.380"></a>
+<span class="sourceLineNo">381</span>      }<a name="line.381"></a>
+<span class="sourceLineNo">382</span>      Thread.sleep(this.sleepForRetries * 
sleepMultiplier);<a name="line.382"></a>
+<span class="sourceLineNo">383</span>    } catch (InterruptedException e) {<a 
name="line.383"></a>
+<span class="sourceLineNo">384</span>      LOG.debug("Interrupted while 
sleeping between retries");<a name="line.384"></a>
+<span class="sourceLineNo">385</span>      
Thread.currentThread().interrupt();<a name="line.385"></a>
+<span class="sourceLineNo">386</span>    }<a name="line.386"></a>
+<span class="sourceLineNo">387</span>    return sleepMultiplier &lt; 
maxRetriesMultiplier;<a name="line.387"></a>
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+<span class="sourceLineNo">389</span><a name="line.389"></a>
+<span class="sourceLineNo">390</span>  /**<a name="line.390"></a>
+<span class="sourceLineNo">391</span>   * check whether the peer is enabled or 
not<a name="line.391"></a>
+<span class="sourceLineNo">392</span>   * @return true if the peer is enabled, 
otherwise false<a name="line.392"></a>
+<span class="sourceLineNo">393</span>   */<a name="line.393"></a>
+<span class="sourceLineNo">394</span>  @Override<a name="line.394"></a>
+<span class="sourceLineNo">395</span>  public boolean isPeerEnabled() {<a 
name="line.395"></a>
+<span class="sourceLineNo">396</span>    return 
replicationPeer.isPeerEnabled();<a name="line.396"></a>
+<span class="sourceLineNo">397</span>  }<a name="line.397"></a>
+<span class="sourceLineNo">398</span><a name="line.398"></a>
+<span class="sourceLineNo">399</span>  private void initialize() {<a 
name="line.399"></a>
+<span class="sourceLineNo">400</span>    int sleepMultiplier = 1;<a 
name="line.400"></a>
+<span class="sourceLineNo">401</span>    while (this.isSourceActive()) {<a 
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+<span class="sourceLineNo">404</span>        replicationEndpoint = 
createReplicationEndpoint();<a name="line.404"></a>
+<span class="sourceLineNo">405</span>      } catch (Exception e) {<a 
name="line.405"></a>
+<span class="sourceLineNo">406</span>        LOG.warn("error creating 
ReplicationEndpoint, retry", e);<a name="line.406"></a>
+<span class="sourceLineNo">407</span>        if (sleepForRetries("Error 
creating ReplicationEndpoint", sleepMultiplier)) {<a name="line.407"></a>
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+<span class="sourceLineNo">410</span>        continue;<a name="line.410"></a>
+<span class="sourceLineNo">411</span>      }<a name="line.411"></a>
+<span class="sourceLineNo">412</span><a name="line.412"></a>
+<span class="sourceLineNo">413</span>      try {<a name="line.413"></a>
+<span class="sourceLineNo">414</span>        
initAndStartReplicationEndpoint(replicationEndpoint);<a name="line.414"></a>
+<span class="sourceLineNo">415</span>        this.replicationEndpoint = 
replicationEndpoint;<a name="line.415"></a>
+<span class="sourceLineNo">416</span>        break;<a name="line.416"></a>
+<span class="sourceLineNo">417</span>      } catch (Exception e) {<a 
name="line.417"></a>
+<span class="sourceLineNo">418</span>        LOG.warn("Error starting 
ReplicationEndpoint, retry", e);<a name="line.418"></a>
+<span class="sourceLineNo">419</span>        replicationEndpoint.stop();<a 
name="line.419"></a>
+<span class="sourceLineNo">420</span>        if (sleepForRetries("Error 
starting ReplicationEndpoint", sleepMultiplier)) {<a name="line.420"></a>
+<span class="sourceLineNo">421</span>          sleepMultiplier++;<a 
name="line.421"></a>
+<span class="sourceLineNo">422</span>        }<a name="line.422"></a>
+<span class="sourceLineNo">423</span>      }<a name="line.423"></a>
+<span class="sourceLineNo">424</span>    }<a name="line.424"></a>
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+<span class="sourceLineNo">429</span><a name="line.429"></a>
+<span class="sourceLineNo">430</span>    sleepMultiplier = 1;<a 
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+<span class="sourceLineNo">431</span>    UUID peerClusterId;<a 
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+<span class="sourceLineNo">432</span>    // delay this until we are in an 
asynchronous thread<a name="line.432"></a>
+<span class="sourceLineNo">433</span>    for (;;) {<a name="line.433"></a>
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replicationEndpoint.getPeerUUID();<a name="line.434"></a>
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&amp;&amp; peerClusterId == null) {<a name="line.435"></a>
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contact the peer's zk ensemble", sleepMultiplier)) {<a name="line.436"></a>
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name="line.437"></a>
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+<span class="sourceLineNo">439</span>      } else {<a name="line.439"></a>
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+<span class="sourceLineNo">442</span>    }<a name="line.442"></a>
+<span class="sourceLineNo">443</span><a name="line.443"></a>
+<span class="sourceLineNo">444</span>    // In rare case, zookeeper setting 
may be messed up. That leads to the incorrect<a name="line.444"></a>
+<span class="sourceLineNo">445</span>    // peerClusterId value, which is the 
same as the source clusterId<a name="line.445"></a>
+<span class="sourceLineNo">446</span>    if (clusterId.equals(peerClusterId) 
&amp;&amp; !replicationEndpoint.canReplicateToSameCluster()) {<a 
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not allowed by ReplicationEndpoint:"<a name="line.448"></a>
+<span class="sourceLineNo">449</span>          + 
replicationEndpoint.getClass().getName(), null, false);<a name="line.449"></a>
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+<span class="sourceLineNo">452</span>    }<a name="line.452"></a>
+<span class="sourceLineNo">453</span>    LOG.info("Replicating " + clusterId + 
" -&gt; " + peerClusterId);<a name="line.453"></a>
+<span class="sourceLineNo">454</span><a name="line.454"></a>
+<span class="sourceLineNo">455</span>    
initializeWALEntryFilter(peerClusterId);<a name="line.455"></a>
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name="line.456"></a>
+<span class="sourceLineNo">457</span>    for (Map.Entry&lt;String, 
PriorityBlockingQueue&lt;Path&gt;&gt; entry : queues.entrySet()) {<a 
name="line.457"></a>
+<span class="sourceLineNo">458</span>      String walGroupId = 
entry.getKey();<a name="line.458"></a>
+<span class="sourceLineNo">459</span>      PriorityBlockingQueue&lt;Path&gt; 
queue = entry.getValue();<a name="line.459"></a>
+<span class="sourceLineNo">460</span>      tryStartNewShipper(walGroupId, 
queue);<a name="line.460"></a>
+<span class="sourceLineNo">461</span>    }<a name="line.4

<TRUNCATED>

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