http://git-wip-us.apache.org/repos/asf/hbase/blob/2fa570dd/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/HBaseInterClusterReplicationEndpoint.Replicator.html
----------------------------------------------------------------------
diff --git
a/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/HBaseInterClusterReplicationEndpoint.Replicator.html
b/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/HBaseInterClusterReplicationEndpoint.Replicator.html
index fb9094c..a3bef30 100644
---
a/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/HBaseInterClusterReplicationEndpoint.Replicator.html
+++
b/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/HBaseInterClusterReplicationEndpoint.Replicator.html
@@ -30,310 +30,316 @@
<span class="sourceLineNo">022</span>import java.net.ConnectException;<a
name="line.22"></a>
<span class="sourceLineNo">023</span>import java.net.SocketTimeoutException;<a
name="line.23"></a>
<span class="sourceLineNo">024</span>import java.util.ArrayList;<a
name="line.24"></a>
-<span class="sourceLineNo">025</span>import java.util.List;<a
name="line.25"></a>
-<span class="sourceLineNo">026</span>import java.util.concurrent.Callable;<a
name="line.26"></a>
-<span class="sourceLineNo">027</span>import
java.util.concurrent.ExecutionException;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import java.util.concurrent.Future;<a
name="line.28"></a>
-<span class="sourceLineNo">029</span>import
java.util.concurrent.SynchronousQueue;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import
java.util.concurrent.ThreadPoolExecutor;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import java.util.concurrent.TimeUnit;<a
name="line.31"></a>
-<span class="sourceLineNo">032</span><a name="line.32"></a>
-<span class="sourceLineNo">033</span>import
com.google.common.annotations.VisibleForTesting;<a name="line.33"></a>
-<span class="sourceLineNo">034</span>import
org.apache.commons.lang.StringUtils;<a name="line.34"></a>
-<span class="sourceLineNo">035</span>import org.apache.commons.logging.Log;<a
name="line.35"></a>
-<span class="sourceLineNo">036</span>import
org.apache.commons.logging.LogFactory;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>import
org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.37"></a>
-<span class="sourceLineNo">038</span>import
org.apache.hadoop.conf.Configuration;<a name="line.38"></a>
-<span class="sourceLineNo">039</span>import
org.apache.hadoop.hbase.HBaseConfiguration;<a name="line.39"></a>
-<span class="sourceLineNo">040</span>import
org.apache.hadoop.hbase.HConstants;<a name="line.40"></a>
-<span class="sourceLineNo">041</span>import
org.apache.hadoop.hbase.TableNotFoundException;<a name="line.41"></a>
-<span class="sourceLineNo">042</span>import
org.apache.hadoop.hbase.client.ConnectionFactory;<a name="line.42"></a>
-<span class="sourceLineNo">043</span>import
org.apache.hadoop.hbase.client.HConnection;<a name="line.43"></a>
-<span class="sourceLineNo">044</span>import
org.apache.hadoop.hbase.protobuf.ReplicationProtbufUtil;<a name="line.44"></a>
-<span class="sourceLineNo">045</span>import
org.apache.hadoop.hbase.protobuf.generated.AdminProtos.AdminService.BlockingInterface;<a
name="line.45"></a>
-<span class="sourceLineNo">046</span>import
org.apache.hadoop.hbase.util.Bytes;<a name="line.46"></a>
-<span class="sourceLineNo">047</span>import
org.apache.hadoop.hbase.wal.WAL.Entry;<a name="line.47"></a>
-<span class="sourceLineNo">048</span>import
org.apache.hadoop.hbase.replication.HBaseReplicationEndpoint;<a
name="line.48"></a>
-<span class="sourceLineNo">049</span>import
org.apache.hadoop.hbase.replication.ReplicationPeer.PeerState;<a
name="line.49"></a>
-<span class="sourceLineNo">050</span>import
org.apache.hadoop.hbase.replication.regionserver.ReplicationSinkManager.SinkPeer;<a
name="line.50"></a>
-<span class="sourceLineNo">051</span>import
org.apache.hadoop.ipc.RemoteException;<a name="line.51"></a>
-<span class="sourceLineNo">052</span><a name="line.52"></a>
-<span class="sourceLineNo">053</span>/**<a name="line.53"></a>
-<span class="sourceLineNo">054</span> * A {@link
org.apache.hadoop.hbase.replication.ReplicationEndpoint} <a name="line.54"></a>
-<span class="sourceLineNo">055</span> * implementation for replicating to
another HBase cluster.<a name="line.55"></a>
-<span class="sourceLineNo">056</span> * For the slave cluster it selects a
random number of peers<a name="line.56"></a>
-<span class="sourceLineNo">057</span> * using a replication ratio. For
example, if replication ration = 0.1<a name="line.57"></a>
-<span class="sourceLineNo">058</span> * and slave cluster has 100 region
servers, 10 will be selected.<a name="line.58"></a>
-<span class="sourceLineNo">059</span> * <p><a name="line.59"></a>
-<span class="sourceLineNo">060</span> * A stream is considered down when we
cannot contact a region server on the<a name="line.60"></a>
-<span class="sourceLineNo">061</span> * peer cluster for more than 55 seconds
by default.<a name="line.61"></a>
-<span class="sourceLineNo">062</span> * </p><a name="line.62"></a>
-<span class="sourceLineNo">063</span> */<a name="line.63"></a>
-<span class="sourceLineNo">064</span>@InterfaceAudience.Private<a
name="line.64"></a>
-<span class="sourceLineNo">065</span>public class
HBaseInterClusterReplicationEndpoint extends HBaseReplicationEndpoint {<a
name="line.65"></a>
-<span class="sourceLineNo">066</span><a name="line.66"></a>
-<span class="sourceLineNo">067</span> private static final Log LOG =
LogFactory.getLog(HBaseInterClusterReplicationEndpoint.class);<a
name="line.67"></a>
-<span class="sourceLineNo">068</span> private HConnection conn;<a
name="line.68"></a>
+<span class="sourceLineNo">025</span>import java.util.Collections;<a
name="line.25"></a>
+<span class="sourceLineNo">026</span>import java.util.List;<a
name="line.26"></a>
+<span class="sourceLineNo">027</span>import java.util.concurrent.Callable;<a
name="line.27"></a>
+<span class="sourceLineNo">028</span>import
java.util.concurrent.CompletionService;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import
java.util.concurrent.ExecutionException;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import
java.util.concurrent.ExecutorCompletionService;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import java.util.concurrent.Future;<a
name="line.31"></a>
+<span class="sourceLineNo">032</span>import
java.util.concurrent.SynchronousQueue;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import
java.util.concurrent.ThreadPoolExecutor;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import java.util.concurrent.TimeUnit;<a
name="line.34"></a>
+<span class="sourceLineNo">035</span><a name="line.35"></a>
+<span class="sourceLineNo">036</span>import
com.google.common.annotations.VisibleForTesting;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import
org.apache.commons.lang.StringUtils;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.commons.logging.Log;<a
name="line.38"></a>
+<span class="sourceLineNo">039</span>import
org.apache.commons.logging.LogFactory;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import
org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import
org.apache.hadoop.conf.Configuration;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import
org.apache.hadoop.hbase.HBaseConfiguration;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import
org.apache.hadoop.hbase.HConstants;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import
org.apache.hadoop.hbase.TableNotFoundException;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import
org.apache.hadoop.hbase.client.ConnectionFactory;<a name="line.45"></a>
+<span class="sourceLineNo">046</span>import
org.apache.hadoop.hbase.client.HConnection;<a name="line.46"></a>
+<span class="sourceLineNo">047</span>import
org.apache.hadoop.hbase.protobuf.ReplicationProtbufUtil;<a name="line.47"></a>
+<span class="sourceLineNo">048</span>import
org.apache.hadoop.hbase.protobuf.generated.AdminProtos.AdminService.BlockingInterface;<a
name="line.48"></a>
+<span class="sourceLineNo">049</span>import
org.apache.hadoop.hbase.util.Bytes;<a name="line.49"></a>
+<span class="sourceLineNo">050</span>import
org.apache.hadoop.hbase.wal.WAL.Entry;<a name="line.50"></a>
+<span class="sourceLineNo">051</span>import
org.apache.hadoop.hbase.replication.HBaseReplicationEndpoint;<a
name="line.51"></a>
+<span class="sourceLineNo">052</span>import
org.apache.hadoop.hbase.replication.ReplicationPeer.PeerState;<a
name="line.52"></a>
+<span class="sourceLineNo">053</span>import
org.apache.hadoop.hbase.replication.regionserver.ReplicationSinkManager.SinkPeer;<a
name="line.53"></a>
+<span class="sourceLineNo">054</span>import
org.apache.hadoop.ipc.RemoteException;<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> * A {@link
org.apache.hadoop.hbase.replication.ReplicationEndpoint} <a name="line.57"></a>
+<span class="sourceLineNo">058</span> * implementation for replicating to
another HBase cluster.<a name="line.58"></a>
+<span class="sourceLineNo">059</span> * For the slave cluster it selects a
random number of peers<a name="line.59"></a>
+<span class="sourceLineNo">060</span> * using a replication ratio. For
example, if replication ration = 0.1<a name="line.60"></a>
+<span class="sourceLineNo">061</span> * and slave cluster has 100 region
servers, 10 will be selected.<a name="line.61"></a>
+<span class="sourceLineNo">062</span> * <p><a name="line.62"></a>
+<span class="sourceLineNo">063</span> * A stream is considered down when we
cannot contact a region server on the<a name="line.63"></a>
+<span class="sourceLineNo">064</span> * peer cluster for more than 55 seconds
by default.<a name="line.64"></a>
+<span class="sourceLineNo">065</span> * </p><a name="line.65"></a>
+<span class="sourceLineNo">066</span> */<a name="line.66"></a>
+<span class="sourceLineNo">067</span>@InterfaceAudience.Private<a
name="line.67"></a>
+<span class="sourceLineNo">068</span>public class
HBaseInterClusterReplicationEndpoint extends HBaseReplicationEndpoint {<a
name="line.68"></a>
<span class="sourceLineNo">069</span><a name="line.69"></a>
-<span class="sourceLineNo">070</span> private Configuration conf;<a
name="line.70"></a>
-<span class="sourceLineNo">071</span><a name="line.71"></a>
-<span class="sourceLineNo">072</span> // How long should we sleep for each
retry<a name="line.72"></a>
-<span class="sourceLineNo">073</span> private long sleepForRetries;<a
name="line.73"></a>
+<span class="sourceLineNo">070</span> private static final Log LOG =
LogFactory.getLog(HBaseInterClusterReplicationEndpoint.class);<a
name="line.70"></a>
+<span class="sourceLineNo">071</span> private HConnection conn;<a
name="line.71"></a>
+<span class="sourceLineNo">072</span><a name="line.72"></a>
+<span class="sourceLineNo">073</span> private Configuration conf;<a
name="line.73"></a>
<span class="sourceLineNo">074</span><a name="line.74"></a>
-<span class="sourceLineNo">075</span> // Maximum number of retries before
taking bold actions<a name="line.75"></a>
-<span class="sourceLineNo">076</span> private int maxRetriesMultiplier;<a
name="line.76"></a>
-<span class="sourceLineNo">077</span> // Socket timeouts require even bolder
actions since we don't want to DDOS<a name="line.77"></a>
-<span class="sourceLineNo">078</span> private int socketTimeoutMultiplier;<a
name="line.78"></a>
-<span class="sourceLineNo">079</span> //Metrics for this source<a
name="line.79"></a>
-<span class="sourceLineNo">080</span> private MetricsSource metrics;<a
name="line.80"></a>
-<span class="sourceLineNo">081</span> // Handles connecting to peer region
servers<a name="line.81"></a>
-<span class="sourceLineNo">082</span> private ReplicationSinkManager
replicationSinkMgr;<a name="line.82"></a>
-<span class="sourceLineNo">083</span> private boolean peersSelected =
false;<a name="line.83"></a>
-<span class="sourceLineNo">084</span> private ThreadPoolExecutor exec;<a
name="line.84"></a>
-<span class="sourceLineNo">085</span> private int maxThreads;<a
name="line.85"></a>
-<span class="sourceLineNo">086</span><a name="line.86"></a>
-<span class="sourceLineNo">087</span> @Override<a name="line.87"></a>
-<span class="sourceLineNo">088</span> public void init(Context context)
throws IOException {<a name="line.88"></a>
-<span class="sourceLineNo">089</span> super.init(context);<a
name="line.89"></a>
-<span class="sourceLineNo">090</span> this.conf =
HBaseConfiguration.create(ctx.getConfiguration());<a name="line.90"></a>
-<span class="sourceLineNo">091</span> decorateConf();<a name="line.91"></a>
-<span class="sourceLineNo">092</span> this.maxRetriesMultiplier =
this.conf.getInt("replication.source.maxretriesmultiplier", 300);<a
name="line.92"></a>
-<span class="sourceLineNo">093</span> this.socketTimeoutMultiplier =
this.conf.getInt("replication.source.socketTimeoutMultiplier",<a
name="line.93"></a>
-<span class="sourceLineNo">094</span> maxRetriesMultiplier);<a
name="line.94"></a>
-<span class="sourceLineNo">095</span> // TODO: This connection is
replication specific or we should make it particular to<a name="line.95"></a>
-<span class="sourceLineNo">096</span> // replication and make replication
specific settings such as compression or codec to use<a name="line.96"></a>
-<span class="sourceLineNo">097</span> // passing Cells.<a
name="line.97"></a>
-<span class="sourceLineNo">098</span> this.conn = (HConnection)
ConnectionFactory.createConnection(this.conf);<a name="line.98"></a>
-<span class="sourceLineNo">099</span> this.sleepForRetries =<a
name="line.99"></a>
-<span class="sourceLineNo">100</span>
this.conf.getLong("replication.source.sleepforretries", 1000);<a
name="line.100"></a>
-<span class="sourceLineNo">101</span> this.metrics =
context.getMetrics();<a name="line.101"></a>
-<span class="sourceLineNo">102</span> // ReplicationQueueInfo parses the
peerId out of the znode for us<a name="line.102"></a>
-<span class="sourceLineNo">103</span> this.replicationSinkMgr = new
ReplicationSinkManager(conn, ctx.getPeerId(), this, this.conf);<a
name="line.103"></a>
-<span class="sourceLineNo">104</span> // per sink thread pool<a
name="line.104"></a>
-<span class="sourceLineNo">105</span> this.maxThreads =
this.conf.getInt(HConstants.REPLICATION_SOURCE_MAXTHREADS_KEY,<a
name="line.105"></a>
-<span class="sourceLineNo">106</span>
HConstants.REPLICATION_SOURCE_MAXTHREADS_DEFAULT);<a name="line.106"></a>
-<span class="sourceLineNo">107</span> this.exec = new ThreadPoolExecutor(1,
maxThreads, 60, TimeUnit.SECONDS,<a name="line.107"></a>
-<span class="sourceLineNo">108</span> new
SynchronousQueue<Runnable>());<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> private void decorateConf() {<a
name="line.111"></a>
-<span class="sourceLineNo">112</span> String replicationCodec =
this.conf.get(HConstants.REPLICATION_CODEC_CONF_KEY);<a name="line.112"></a>
-<span class="sourceLineNo">113</span> if
(StringUtils.isNotEmpty(replicationCodec)) {<a name="line.113"></a>
-<span class="sourceLineNo">114</span>
this.conf.set(HConstants.RPC_CODEC_CONF_KEY, replicationCodec);<a
name="line.114"></a>
-<span class="sourceLineNo">115</span> }<a name="line.115"></a>
-<span class="sourceLineNo">116</span> }<a name="line.116"></a>
-<span class="sourceLineNo">117</span><a name="line.117"></a>
-<span class="sourceLineNo">118</span> private void connectToPeers() {<a
name="line.118"></a>
-<span class="sourceLineNo">119</span> getRegionServers();<a
name="line.119"></a>
+<span class="sourceLineNo">075</span> // How long should we sleep for each
retry<a name="line.75"></a>
+<span class="sourceLineNo">076</span> private long sleepForRetries;<a
name="line.76"></a>
+<span class="sourceLineNo">077</span><a name="line.77"></a>
+<span class="sourceLineNo">078</span> // Maximum number of retries before
taking bold actions<a name="line.78"></a>
+<span class="sourceLineNo">079</span> private int maxRetriesMultiplier;<a
name="line.79"></a>
+<span class="sourceLineNo">080</span> // Socket timeouts require even bolder
actions since we don't want to DDOS<a name="line.80"></a>
+<span class="sourceLineNo">081</span> private int socketTimeoutMultiplier;<a
name="line.81"></a>
+<span class="sourceLineNo">082</span> //Metrics for this source<a
name="line.82"></a>
+<span class="sourceLineNo">083</span> private MetricsSource metrics;<a
name="line.83"></a>
+<span class="sourceLineNo">084</span> // Handles connecting to peer region
servers<a name="line.84"></a>
+<span class="sourceLineNo">085</span> private ReplicationSinkManager
replicationSinkMgr;<a name="line.85"></a>
+<span class="sourceLineNo">086</span> private boolean peersSelected =
false;<a name="line.86"></a>
+<span class="sourceLineNo">087</span> private ThreadPoolExecutor exec;<a
name="line.87"></a>
+<span class="sourceLineNo">088</span> private int maxThreads;<a
name="line.88"></a>
+<span class="sourceLineNo">089</span><a name="line.89"></a>
+<span class="sourceLineNo">090</span> @Override<a name="line.90"></a>
+<span class="sourceLineNo">091</span> public void init(Context context)
throws IOException {<a name="line.91"></a>
+<span class="sourceLineNo">092</span> super.init(context);<a
name="line.92"></a>
+<span class="sourceLineNo">093</span> this.conf =
HBaseConfiguration.create(ctx.getConfiguration());<a name="line.93"></a>
+<span class="sourceLineNo">094</span> decorateConf();<a name="line.94"></a>
+<span class="sourceLineNo">095</span> this.maxRetriesMultiplier =
this.conf.getInt("replication.source.maxretriesmultiplier", 300);<a
name="line.95"></a>
+<span class="sourceLineNo">096</span> this.socketTimeoutMultiplier =
this.conf.getInt("replication.source.socketTimeoutMultiplier",<a
name="line.96"></a>
+<span class="sourceLineNo">097</span> maxRetriesMultiplier);<a
name="line.97"></a>
+<span class="sourceLineNo">098</span> // TODO: This connection is
replication specific or we should make it particular to<a name="line.98"></a>
+<span class="sourceLineNo">099</span> // replication and make replication
specific settings such as compression or codec to use<a name="line.99"></a>
+<span class="sourceLineNo">100</span> // passing Cells.<a
name="line.100"></a>
+<span class="sourceLineNo">101</span> this.conn = (HConnection)
ConnectionFactory.createConnection(this.conf);<a name="line.101"></a>
+<span class="sourceLineNo">102</span> this.sleepForRetries =<a
name="line.102"></a>
+<span class="sourceLineNo">103</span>
this.conf.getLong("replication.source.sleepforretries", 1000);<a
name="line.103"></a>
+<span class="sourceLineNo">104</span> this.metrics =
context.getMetrics();<a name="line.104"></a>
+<span class="sourceLineNo">105</span> // ReplicationQueueInfo parses the
peerId out of the znode for us<a name="line.105"></a>
+<span class="sourceLineNo">106</span> this.replicationSinkMgr = new
ReplicationSinkManager(conn, ctx.getPeerId(), this, this.conf);<a
name="line.106"></a>
+<span class="sourceLineNo">107</span> // per sink thread pool<a
name="line.107"></a>
+<span class="sourceLineNo">108</span> this.maxThreads =
this.conf.getInt(HConstants.REPLICATION_SOURCE_MAXTHREADS_KEY,<a
name="line.108"></a>
+<span class="sourceLineNo">109</span>
HConstants.REPLICATION_SOURCE_MAXTHREADS_DEFAULT);<a name="line.109"></a>
+<span class="sourceLineNo">110</span> this.exec = new ThreadPoolExecutor(1,
maxThreads, 60, TimeUnit.SECONDS,<a name="line.110"></a>
+<span class="sourceLineNo">111</span> new
SynchronousQueue<Runnable>());<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">114</span> private void decorateConf() {<a
name="line.114"></a>
+<span class="sourceLineNo">115</span> String replicationCodec =
this.conf.get(HConstants.REPLICATION_CODEC_CONF_KEY);<a name="line.115"></a>
+<span class="sourceLineNo">116</span> if
(StringUtils.isNotEmpty(replicationCodec)) {<a name="line.116"></a>
+<span class="sourceLineNo">117</span>
this.conf.set(HConstants.RPC_CODEC_CONF_KEY, replicationCodec);<a
name="line.117"></a>
+<span class="sourceLineNo">118</span> }<a name="line.118"></a>
+<span class="sourceLineNo">119</span> }<a name="line.119"></a>
<span class="sourceLineNo">120</span><a name="line.120"></a>
-<span class="sourceLineNo">121</span> int sleepMultiplier = 1;<a
name="line.121"></a>
-<span class="sourceLineNo">122</span><a name="line.122"></a>
-<span class="sourceLineNo">123</span> // Connect to peer cluster first,
unless we have to stop<a name="line.123"></a>
-<span class="sourceLineNo">124</span> while (this.isRunning() &&
replicationSinkMgr.getSinks().size() == 0) {<a name="line.124"></a>
-<span class="sourceLineNo">125</span> replicationSinkMgr.chooseSinks();<a
name="line.125"></a>
-<span class="sourceLineNo">126</span> if (this.isRunning() &&
replicationSinkMgr.getSinks().size() == 0) {<a name="line.126"></a>
-<span class="sourceLineNo">127</span> if (sleepForRetries("Waiting for
peers", sleepMultiplier)) {<a name="line.127"></a>
-<span class="sourceLineNo">128</span> sleepMultiplier++;<a
name="line.128"></a>
-<span class="sourceLineNo">129</span> }<a name="line.129"></a>
-<span class="sourceLineNo">130</span> }<a name="line.130"></a>
-<span class="sourceLineNo">131</span> }<a name="line.131"></a>
-<span class="sourceLineNo">132</span> }<a name="line.132"></a>
-<span class="sourceLineNo">133</span><a name="line.133"></a>
-<span class="sourceLineNo">134</span> /**<a name="line.134"></a>
-<span class="sourceLineNo">135</span> * Do the sleeping logic<a
name="line.135"></a>
-<span class="sourceLineNo">136</span> * @param msg Why we sleep<a
name="line.136"></a>
-<span class="sourceLineNo">137</span> * @param sleepMultiplier by how many
times the default sleeping time is augmented<a name="line.137"></a>
-<span class="sourceLineNo">138</span> * @return True if
<code>sleepMultiplier</code> is &lt;
<code>maxRetriesMultiplier</code><a name="line.138"></a>
-<span class="sourceLineNo">139</span> */<a name="line.139"></a>
-<span class="sourceLineNo">140</span> protected boolean
sleepForRetries(String msg, int sleepMultiplier) {<a name="line.140"></a>
-<span class="sourceLineNo">141</span> try {<a name="line.141"></a>
-<span class="sourceLineNo">142</span> if (LOG.isTraceEnabled()) {<a
name="line.142"></a>
-<span class="sourceLineNo">143</span> LOG.trace(msg + ", sleeping " +
sleepForRetries + " times " + sleepMultiplier);<a name="line.143"></a>
-<span class="sourceLineNo">144</span> }<a name="line.144"></a>
-<span class="sourceLineNo">145</span> Thread.sleep(this.sleepForRetries *
sleepMultiplier);<a name="line.145"></a>
-<span class="sourceLineNo">146</span> } catch (InterruptedException e) {<a
name="line.146"></a>
-<span class="sourceLineNo">147</span> LOG.debug("Interrupted while
sleeping between retries");<a name="line.147"></a>
-<span class="sourceLineNo">148</span> }<a name="line.148"></a>
-<span class="sourceLineNo">149</span> return sleepMultiplier <
maxRetriesMultiplier;<a name="line.149"></a>
-<span class="sourceLineNo">150</span> }<a name="line.150"></a>
-<span class="sourceLineNo">151</span><a name="line.151"></a>
-<span class="sourceLineNo">152</span> /**<a name="line.152"></a>
-<span class="sourceLineNo">153</span> * Do the shipping logic<a
name="line.153"></a>
-<span class="sourceLineNo">154</span> */<a name="line.154"></a>
-<span class="sourceLineNo">155</span> @Override<a name="line.155"></a>
-<span class="sourceLineNo">156</span> public boolean
replicate(ReplicateContext replicateContext) {<a name="line.156"></a>
-<span class="sourceLineNo">157</span> List<Entry> entries =
replicateContext.getEntries();<a name="line.157"></a>
-<span class="sourceLineNo">158</span> String walGroupId =
replicateContext.getWalGroupId();<a name="line.158"></a>
-<span class="sourceLineNo">159</span> int sleepMultiplier = 1;<a
name="line.159"></a>
-<span class="sourceLineNo">160</span><a name="line.160"></a>
-<span class="sourceLineNo">161</span> if (!peersSelected &&
this.isRunning()) {<a name="line.161"></a>
-<span class="sourceLineNo">162</span> connectToPeers();<a
name="line.162"></a>
-<span class="sourceLineNo">163</span> peersSelected = true;<a
name="line.163"></a>
-<span class="sourceLineNo">164</span> }<a name="line.164"></a>
-<span class="sourceLineNo">165</span><a name="line.165"></a>
-<span class="sourceLineNo">166</span> if
(replicationSinkMgr.getSinks().size() == 0) {<a name="line.166"></a>
-<span class="sourceLineNo">167</span> return false;<a name="line.167"></a>
+<span class="sourceLineNo">121</span> private void connectToPeers() {<a
name="line.121"></a>
+<span class="sourceLineNo">122</span> getRegionServers();<a
name="line.122"></a>
+<span class="sourceLineNo">123</span><a name="line.123"></a>
+<span class="sourceLineNo">124</span> int sleepMultiplier = 1;<a
name="line.124"></a>
+<span class="sourceLineNo">125</span><a name="line.125"></a>
+<span class="sourceLineNo">126</span> // Connect to peer cluster first,
unless we have to stop<a name="line.126"></a>
+<span class="sourceLineNo">127</span> while (this.isRunning() &&
replicationSinkMgr.getSinks().size() == 0) {<a name="line.127"></a>
+<span class="sourceLineNo">128</span> replicationSinkMgr.chooseSinks();<a
name="line.128"></a>
+<span class="sourceLineNo">129</span> if (this.isRunning() &&
replicationSinkMgr.getSinks().size() == 0) {<a name="line.129"></a>
+<span class="sourceLineNo">130</span> if (sleepForRetries("Waiting for
peers", sleepMultiplier)) {<a name="line.130"></a>
+<span class="sourceLineNo">131</span> sleepMultiplier++;<a
name="line.131"></a>
+<span class="sourceLineNo">132</span> }<a name="line.132"></a>
+<span class="sourceLineNo">133</span> }<a name="line.133"></a>
+<span class="sourceLineNo">134</span> }<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> * Do the sleeping logic<a
name="line.138"></a>
+<span class="sourceLineNo">139</span> * @param msg Why we sleep<a
name="line.139"></a>
+<span class="sourceLineNo">140</span> * @param sleepMultiplier by how many
times the default sleeping time is augmented<a name="line.140"></a>
+<span class="sourceLineNo">141</span> * @return True if
<code>sleepMultiplier</code> is &lt;
<code>maxRetriesMultiplier</code><a name="line.141"></a>
+<span class="sourceLineNo">142</span> */<a name="line.142"></a>
+<span class="sourceLineNo">143</span> protected boolean
sleepForRetries(String msg, int sleepMultiplier) {<a name="line.143"></a>
+<span class="sourceLineNo">144</span> try {<a name="line.144"></a>
+<span class="sourceLineNo">145</span> if (LOG.isTraceEnabled()) {<a
name="line.145"></a>
+<span class="sourceLineNo">146</span> LOG.trace(msg + ", sleeping " +
sleepForRetries + " times " + sleepMultiplier);<a name="line.146"></a>
+<span class="sourceLineNo">147</span> }<a name="line.147"></a>
+<span class="sourceLineNo">148</span> Thread.sleep(this.sleepForRetries *
sleepMultiplier);<a name="line.148"></a>
+<span class="sourceLineNo">149</span> } catch (InterruptedException e) {<a
name="line.149"></a>
+<span class="sourceLineNo">150</span> LOG.debug("Interrupted while
sleeping between retries");<a name="line.150"></a>
+<span class="sourceLineNo">151</span> }<a name="line.151"></a>
+<span class="sourceLineNo">152</span> return sleepMultiplier <
maxRetriesMultiplier;<a name="line.152"></a>
+<span class="sourceLineNo">153</span> }<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> * Do the shipping logic<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 boolean
replicate(ReplicateContext replicateContext) {<a name="line.159"></a>
+<span class="sourceLineNo">160</span> CompletionService<Integer> pool
= new ExecutorCompletionService<Integer>(this.exec);<a
name="line.160"></a>
+<span class="sourceLineNo">161</span> List<Entry> entries =
replicateContext.getEntries();<a name="line.161"></a>
+<span class="sourceLineNo">162</span> String walGroupId =
replicateContext.getWalGroupId();<a name="line.162"></a>
+<span class="sourceLineNo">163</span> int sleepMultiplier = 1;<a
name="line.163"></a>
+<span class="sourceLineNo">164</span><a name="line.164"></a>
+<span class="sourceLineNo">165</span> if (!peersSelected &&
this.isRunning()) {<a name="line.165"></a>
+<span class="sourceLineNo">166</span> connectToPeers();<a
name="line.166"></a>
+<span class="sourceLineNo">167</span> peersSelected = true;<a
name="line.167"></a>
<span class="sourceLineNo">168</span> }<a name="line.168"></a>
-<span class="sourceLineNo">169</span> // minimum of: configured threads,
number of 100-waledit batches,<a name="line.169"></a>
-<span class="sourceLineNo">170</span> // and number of current sinks<a
name="line.170"></a>
-<span class="sourceLineNo">171</span> int n =
Math.min(Math.min(this.maxThreads, entries.size()/100+1),<a name="line.171"></a>
-<span class="sourceLineNo">172</span>
replicationSinkMgr.getSinks().size());<a name="line.172"></a>
-<span class="sourceLineNo">173</span> List<List<Entry>>
entryLists = new ArrayList<List<Entry>>(n);<a name="line.173"></a>
-<span class="sourceLineNo">174</span> if (n == 1) {<a name="line.174"></a>
-<span class="sourceLineNo">175</span> entryLists.add(entries);<a
name="line.175"></a>
-<span class="sourceLineNo">176</span> } else {<a name="line.176"></a>
-<span class="sourceLineNo">177</span> for (int i=0; i<n; i++) {<a
name="line.177"></a>
-<span class="sourceLineNo">178</span> entryLists.add(new
ArrayList<Entry>(entries.size()/n+1));<a name="line.178"></a>
-<span class="sourceLineNo">179</span> }<a name="line.179"></a>
-<span class="sourceLineNo">180</span> // now group by region<a
name="line.180"></a>
-<span class="sourceLineNo">181</span> for (Entry e : entries) {<a
name="line.181"></a>
-<span class="sourceLineNo">182</span>
entryLists.get(Math.abs(Bytes.hashCode(e.getKey().getEncodedRegionName())%n)).add(e);<a
name="line.182"></a>
+<span class="sourceLineNo">169</span><a name="line.169"></a>
+<span class="sourceLineNo">170</span> if
(replicationSinkMgr.getSinks().size() == 0) {<a name="line.170"></a>
+<span class="sourceLineNo">171</span> return false;<a name="line.171"></a>
+<span class="sourceLineNo">172</span> }<a name="line.172"></a>
+<span class="sourceLineNo">173</span> // minimum of: configured threads,
number of 100-waledit batches,<a name="line.173"></a>
+<span class="sourceLineNo">174</span> // and number of current sinks<a
name="line.174"></a>
+<span class="sourceLineNo">175</span> int n =
Math.min(Math.min(this.maxThreads, entries.size()/100+1),<a name="line.175"></a>
+<span class="sourceLineNo">176</span>
replicationSinkMgr.getSinks().size());<a name="line.176"></a>
+<span class="sourceLineNo">177</span> List<List<Entry>>
entryLists = new ArrayList<List<Entry>>(n);<a name="line.177"></a>
+<span class="sourceLineNo">178</span> if (n == 1) {<a name="line.178"></a>
+<span class="sourceLineNo">179</span> entryLists.add(entries);<a
name="line.179"></a>
+<span class="sourceLineNo">180</span> } else {<a name="line.180"></a>
+<span class="sourceLineNo">181</span> for (int i=0; i<n; i++) {<a
name="line.181"></a>
+<span class="sourceLineNo">182</span> entryLists.add(new
ArrayList<Entry>(entries.size()/n+1));<a name="line.182"></a>
<span class="sourceLineNo">183</span> }<a name="line.183"></a>
-<span class="sourceLineNo">184</span> }<a name="line.184"></a>
-<span class="sourceLineNo">185</span> while (this.isRunning()) {<a
name="line.185"></a>
-<span class="sourceLineNo">186</span> if (!isPeerEnabled()) {<a
name="line.186"></a>
-<span class="sourceLineNo">187</span> if (sleepForRetries("Replication
is disabled", sleepMultiplier)) {<a name="line.187"></a>
-<span class="sourceLineNo">188</span> sleepMultiplier++;<a
name="line.188"></a>
-<span class="sourceLineNo">189</span> }<a name="line.189"></a>
-<span class="sourceLineNo">190</span> continue;<a name="line.190"></a>
-<span class="sourceLineNo">191</span> }<a name="line.191"></a>
-<span class="sourceLineNo">192</span> try {<a name="line.192"></a>
-<span class="sourceLineNo">193</span> if (LOG.isTraceEnabled()) {<a
name="line.193"></a>
-<span class="sourceLineNo">194</span> LOG.trace("Replicating " +
entries.size() +<a name="line.194"></a>
-<span class="sourceLineNo">195</span> " entries of total size " +
replicateContext.getSize());<a name="line.195"></a>
-<span class="sourceLineNo">196</span> }<a name="line.196"></a>
-<span class="sourceLineNo">197</span><a name="line.197"></a>
-<span class="sourceLineNo">198</span> List<Future<Integer>>
futures = new ArrayList<Future<Integer>>(entryLists.size());<a
name="line.198"></a>
-<span class="sourceLineNo">199</span> for (int i=0;
i<entryLists.size(); i++) {<a name="line.199"></a>
-<span class="sourceLineNo">200</span> if
(!entryLists.get(i).isEmpty()) {<a name="line.200"></a>
-<span class="sourceLineNo">201</span> if (LOG.isTraceEnabled()) {<a
name="line.201"></a>
-<span class="sourceLineNo">202</span> LOG.trace("Submitting " +
entryLists.get(i).size() +<a name="line.202"></a>
-<span class="sourceLineNo">203</span> " entries of total size
" + replicateContext.getSize());<a name="line.203"></a>
-<span class="sourceLineNo">204</span> }<a name="line.204"></a>
-<span class="sourceLineNo">205</span> // RuntimeExceptions
encountered here bubble up and are handled in ReplicationSource<a
name="line.205"></a>
-<span class="sourceLineNo">206</span>
futures.add(exec.submit(createReplicator(entryLists.get(i), i)));<a
name="line.206"></a>
-<span class="sourceLineNo">207</span> }<a name="line.207"></a>
-<span class="sourceLineNo">208</span> }<a name="line.208"></a>
-<span class="sourceLineNo">209</span> IOException iox = null;<a
name="line.209"></a>
-<span class="sourceLineNo">210</span> for (int index = futures.size() -
1; index >= 0; index--) {<a name="line.210"></a>
-<span class="sourceLineNo">211</span> try {<a name="line.211"></a>
-<span class="sourceLineNo">212</span> // wait for all futures,
remove successful parts<a name="line.212"></a>
-<span class="sourceLineNo">213</span> // (only the remaining parts
will be retried)<a name="line.213"></a>
-<span class="sourceLineNo">214</span> Future<Integer> f =
futures.get(index);<a name="line.214"></a>
-<span class="sourceLineNo">215</span>
entryLists.remove(f.get().intValue());<a name="line.215"></a>
-<span class="sourceLineNo">216</span> } catch (InterruptedException
ie) {<a name="line.216"></a>
-<span class="sourceLineNo">217</span> iox = new IOException(ie);<a
name="line.217"></a>
-<span class="sourceLineNo">218</span> } catch (ExecutionException ee)
{<a name="line.218"></a>
-<span class="sourceLineNo">219</span> // cause must be an
IOException<a name="line.219"></a>
-<span class="sourceLineNo">220</span> iox =
(IOException)ee.getCause();<a name="line.220"></a>
-<span class="sourceLineNo">221</span> }<a name="line.221"></a>
-<span class="sourceLineNo">222</span> }<a name="line.222"></a>
-<span class="sourceLineNo">223</span> if (iox != null) {<a
name="line.223"></a>
-<span class="sourceLineNo">224</span> // if we had any exceptions,
try again<a name="line.224"></a>
-<span class="sourceLineNo">225</span> throw iox;<a
name="line.225"></a>
-<span class="sourceLineNo">226</span> }<a name="line.226"></a>
-<span class="sourceLineNo">227</span> // update metrics<a
name="line.227"></a>
-<span class="sourceLineNo">228</span>
this.metrics.setAgeOfLastShippedOp(entries.get(entries.size() -
1).getKey().getWriteTime(),<a name="line.228"></a>
-<span class="sourceLineNo">229</span> walGroupId);<a
name="line.229"></a>
-<span class="sourceLineNo">230</span> return true;<a
name="line.230"></a>
-<span class="sourceLineNo">231</span><a name="line.231"></a>
-<span class="sourceLineNo">232</span> } catch (IOException ioe) {<a
name="line.232"></a>
-<span class="sourceLineNo">233</span> // Didn't ship anything, but must
still age the last time we did<a name="line.233"></a>
-<span class="sourceLineNo">234</span>
this.metrics.refreshAgeOfLastShippedOp(walGroupId);<a name="line.234"></a>
-<span class="sourceLineNo">235</span> if (ioe instanceof
RemoteException) {<a name="line.235"></a>
-<span class="sourceLineNo">236</span> ioe = ((RemoteException)
ioe).unwrapRemoteException();<a name="line.236"></a>
-<span class="sourceLineNo">237</span> LOG.warn("Can't replicate
because of an error on the remote cluster: ", ioe);<a name="line.237"></a>
-<span class="sourceLineNo">238</span> if (ioe instanceof
TableNotFoundException) {<a name="line.238"></a>
-<span class="sourceLineNo">239</span> if (sleepForRetries("A table
is missing in the peer cluster. "<a name="line.239"></a>
-<span class="sourceLineNo">240</span> + "Replication cannot
proceed without losing data.", sleepMultiplier)) {<a name="line.240"></a>
-<span class="sourceLineNo">241</span> sleepMultiplier++;<a
name="line.241"></a>
-<span class="sourceLineNo">242</span> }<a name="line.242"></a>
-<span class="sourceLineNo">243</span> }<a name="line.243"></a>
-<span class="sourceLineNo">244</span> } else {<a name="line.244"></a>
-<span class="sourceLineNo">245</span> if (ioe instanceof
SocketTimeoutException) {<a name="line.245"></a>
-<span class="sourceLineNo">246</span> // This exception means we
waited for more than 60s and nothing<a name="line.246"></a>
-<span class="sourceLineNo">247</span> // happened, the cluster is
alive and calling it right away<a name="line.247"></a>
-<span class="sourceLineNo">248</span> // even for a test just makes
things worse.<a name="line.248"></a>
-<span class="sourceLineNo">249</span> sleepForRetries("Encountered
a SocketTimeoutException. Since the " +<a name="line.249"></a>
-<span class="sourceLineNo">250</span> "call to the remote cluster
timed out, which is usually " +<a name="line.250"></a>
-<span class="sourceLineNo">251</span> "caused by a machine
failure or a massive slowdown",<a name="line.251"></a>
-<span class="sourceLineNo">252</span>
this.socketTimeoutMultiplier);<a name="line.252"></a>
-<span class="sourceLineNo">253</span> } else if (ioe instanceof
ConnectException) {<a name="line.253"></a>
-<span class="sourceLineNo">254</span> LOG.warn("Peer is
unavailable, rechecking all sinks: ", ioe);<a name="line.254"></a>
-<span class="sourceLineNo">255</span>
replicationSinkMgr.chooseSinks();<a name="line.255"></a>
-<span class="sourceLineNo">256</span> } else {<a name="line.256"></a>
-<span class="sourceLineNo">257</span> LOG.warn("Can't replicate
because of a local or network error: ", ioe);<a name="line.257"></a>
-<span class="sourceLineNo">258</span> }<a name="line.258"></a>
-<span class="sourceLineNo">259</span> }<a name="line.259"></a>
-<span class="sourceLineNo">260</span> if (sleepForRetries("Since we are
unable to replicate", sleepMultiplier)) {<a name="line.260"></a>
-<span class="sourceLineNo">261</span> sleepMultiplier++;<a
name="line.261"></a>
-<span class="sourceLineNo">262</span> }<a name="line.262"></a>
-<span class="sourceLineNo">263</span> }<a name="line.263"></a>
-<span class="sourceLineNo">264</span> }<a name="line.264"></a>
-<span class="sourceLineNo">265</span> return false; // in case we exited
before replicating<a name="line.265"></a>
-<span class="sourceLineNo">266</span> }<a name="line.266"></a>
-<span class="sourceLineNo">267</span><a name="line.267"></a>
-<span class="sourceLineNo">268</span> protected boolean isPeerEnabled() {<a
name="line.268"></a>
-<span class="sourceLineNo">269</span> return
ctx.getReplicationPeer().getPeerState() == PeerState.ENABLED;<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> @Override<a name="line.272"></a>
-<span class="sourceLineNo">273</span> protected void doStop() {<a
name="line.273"></a>
-<span class="sourceLineNo">274</span> disconnect(); //don't call
super.doStop()<a name="line.274"></a>
-<span class="sourceLineNo">275</span> if (this.conn != null) {<a
name="line.275"></a>
-<span class="sourceLineNo">276</span> try {<a name="line.276"></a>
-<span class="sourceLineNo">277</span> this.conn.close();<a
name="line.277"></a>
-<span class="sourceLineNo">278</span> this.conn = null;<a
name="line.278"></a>
-<span class="sourceLineNo">279</span> } catch (IOException e) {<a
name="line.279"></a>
-<span class="sourceLineNo">280</span> LOG.warn("Failed to close the
connection");<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> exec.shutdownNow();<a
name="line.283"></a>
-<span class="sourceLineNo">284</span> notifyStopped();<a
name="line.284"></a>
-<span class="sourceLineNo">285</span> }<a name="line.285"></a>
-<span class="sourceLineNo">286</span><a name="line.286"></a>
-<span class="sourceLineNo">287</span> // is this needed? Nobody else will
call doStop() otherwise<a name="line.287"></a>
-<span class="sourceLineNo">288</span> @Override<a name="line.288"></a>
-<span class="sourceLineNo">289</span> public State stopAndWait() {<a
name="line.289"></a>
-<span class="sourceLineNo">290</span> doStop();<a name="line.290"></a>
-<span class="sourceLineNo">291</span> return super.stopAndWait();<a
name="line.291"></a>
-<span class="sourceLineNo">292</span> }<a name="line.292"></a>
-<span class="sourceLineNo">293</span><a name="line.293"></a>
-<span class="sourceLineNo">294</span> @VisibleForTesting<a
name="line.294"></a>
-<span class="sourceLineNo">295</span> protected Replicator
createReplicator(List<Entry> entries, int ordinal) {<a
name="line.295"></a>
-<span class="sourceLineNo">296</span> return new Replicator(entries,
ordinal);<a name="line.296"></a>
-<span class="sourceLineNo">297</span> }<a name="line.297"></a>
-<span class="sourceLineNo">298</span><a name="line.298"></a>
-<span class="sourceLineNo">299</span> @VisibleForTesting<a
name="line.299"></a>
-<span class="sourceLineNo">300</span> protected class Replicator implements
Callable<Integer> {<a name="line.300"></a>
-<span class="sourceLineNo">301</span> private List<Entry> entries;<a
name="line.301"></a>
-<span class="sourceLineNo">302</span> private int ordinal;<a
name="line.302"></a>
-<span class="sourceLineNo">303</span> public Replicator(List<Entry>
entries, int ordinal) {<a name="line.303"></a>
-<span class="sourceLineNo">304</span> this.entries = entries;<a
name="line.304"></a>
-<span class="sourceLineNo">305</span> this.ordinal = ordinal;<a
name="line.305"></a>
-<span class="sourceLineNo">306</span> }<a name="line.306"></a>
-<span class="sourceLineNo">307</span><a name="line.307"></a>
-<span class="sourceLineNo">308</span> @Override<a name="line.308"></a>
-<span class="sourceLineNo">309</span> public Integer call() throws
IOException {<a name="line.309"></a>
-<span class="sourceLineNo">310</span> SinkPeer sinkPeer = null;<a
name="line.310"></a>
-<span class="sourceLineNo">311</span> try {<a name="line.311"></a>
-<span class="sourceLineNo">312</span> sinkPeer =
replicationSinkMgr.getReplicationSink();<a name="line.312"></a>
-<span class="sourceLineNo">313</span> BlockingInterface rrs =
sinkPeer.getRegionServer();<a name="line.313"></a>
-<span class="sourceLineNo">314</span>
ReplicationProtbufUtil.replicateWALEntry(rrs,<a name="line.314"></a>
-<span class="sourceLineNo">315</span> entries.toArray(new
Entry[entries.size()]));<a name="line.315"></a>
-<span class="sourceLineNo">316</span>
replicationSinkMgr.reportSinkSuccess(sinkPeer);<a name="line.316"></a>
-<span class="sourceLineNo">317</span> return ordinal;<a
name="line.317"></a>
-<span class="sourceLineNo">318</span><a name="line.318"></a>
-<span class="sourceLineNo">319</span> } catch (IOException ioe) {<a
name="line.319"></a>
-<span class="sourceLineNo">320</span> if (sinkPeer != null) {<a
name="line.320"></a>
-<span class="sourceLineNo">321</span>
replicationSinkMgr.reportBadSink(sinkPeer);<a name="line.321"></a>
-<span class="sourceLineNo">322</span> }<a name="line.322"></a>
-<span class="sourceLineNo">323</span> throw ioe;<a name="line.323"></a>
-<span class="sourceLineNo">324</span> }<a name="line.324"></a>
-<span class="sourceLineNo">325</span> }<a name="line.325"></a>
-<span class="sourceLineNo">326</span><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">184</span> // now group by region<a
name="line.184"></a>
+<span class="sourceLineNo">185</span> for (Entry e : entries) {<a
name="line.185"></a>
+<span class="sourceLineNo">186</span>
entryLists.get(Math.abs(Bytes.hashCode(e.getKey().getEncodedRegionName())%n)).add(e);<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> while (this.isRunning()) {<a
name="line.189"></a>
+<span class="sourceLineNo">190</span> if (!isPeerEnabled()) {<a
name="line.190"></a>
+<span class="sourceLineNo">191</span> if (sleepForRetries("Replication
is disabled", sleepMultiplier)) {<a name="line.191"></a>
+<span class="sourceLineNo">192</span> sleepMultiplier++;<a
name="line.192"></a>
+<span class="sourceLineNo">193</span> }<a name="line.193"></a>
+<span class="sourceLineNo">194</span> continue;<a name="line.194"></a>
+<span class="sourceLineNo">195</span> }<a name="line.195"></a>
+<span class="sourceLineNo">196</span> try {<a name="line.196"></a>
+<span class="sourceLineNo">197</span> if (LOG.isTraceEnabled()) {<a
name="line.197"></a>
+<span class="sourceLineNo">198</span> LOG.trace("Replicating " +
entries.size() +<a name="line.198"></a>
+<span class="sourceLineNo">199</span> " entries of total size " +
replicateContext.getSize());<a name="line.199"></a>
+<span class="sourceLineNo">200</span> }<a name="line.200"></a>
+<span class="sourceLineNo">201</span><a name="line.201"></a>
+<span class="sourceLineNo">202</span> int futures = 0;<a
name="line.202"></a>
+<span class="sourceLineNo">203</span> for (int i=0;
i<entryLists.size(); i++) {<a name="line.203"></a>
+<span class="sourceLineNo">204</span> if
(!entryLists.get(i).isEmpty()) {<a name="line.204"></a>
+<span class="sourceLineNo">205</span> if (LOG.isTraceEnabled()) {<a
name="line.205"></a>
+<span class="sourceLineNo">206</span> LOG.trace("Submitting " +
entryLists.get(i).size() +<a name="line.206"></a>
+<span class="sourceLineNo">207</span> " entries of total size
" + replicateContext.getSize());<a name="line.207"></a>
+<span class="sourceLineNo">208</span> }<a name="line.208"></a>
+<span class="sourceLineNo">209</span> // RuntimeExceptions
encountered here bubble up and are handled in ReplicationSource<a
name="line.209"></a>
+<span class="sourceLineNo">210</span>
pool.submit(createReplicator(entryLists.get(i), i));<a name="line.210"></a>
+<span class="sourceLineNo">211</span> futures++;<a
name="line.211"></a>
+<span class="sourceLineNo">212</span> }<a name="line.212"></a>
+<span class="sourceLineNo">213</span> }<a name="line.213"></a>
+<span class="sourceLineNo">214</span> IOException iox = null;<a
name="line.214"></a>
+<span class="sourceLineNo">215</span><a name="line.215"></a>
+<span class="sourceLineNo">216</span> for (int i=0; i<futures; i++)
{<a name="line.216"></a>
+<span class="sourceLineNo">217</span> try {<a name="line.217"></a>
+<span class="sourceLineNo">218</span> // wait for all futures,
remove successful parts<a name="line.218"></a>
+<span class="sourceLineNo">219</span> // (only the remaining parts
will be retried)<a name="line.219"></a>
+<span class="sourceLineNo">220</span> Future<Integer> f =
pool.take();<a name="line.220"></a>
+<span class="sourceLineNo">221</span>
entryLists.set(f.get().intValue(), Collections.<Entry>emptyList());<a
name="line.221"></a>
+<span class="sourceLineNo">222</span> } catch (InterruptedException
ie) {<a name="line.222"></a>
+<span class="sourceLineNo">223</span> iox = new IOException(ie);<a
name="line.223"></a>
+<span class="sourceLineNo">224</span> } catch (ExecutionException ee)
{<a name="line.224"></a>
+<span class="sourceLineNo">225</span> // cause must be an
IOException<a name="line.225"></a>
+<span class="sourceLineNo">226</span> iox =
(IOException)ee.getCause();<a name="line.226"></a>
+<span class="sourceLineNo">227</span> }<a name="line.227"></a>
+<span class="sourceLineNo">228</span> }<a name="line.228"></a>
+<span class="sourceLineNo">229</span> if (iox != null) {<a
name="line.229"></a>
+<span class="sourceLineNo">230</span> // if we had any exceptions,
try again<a name="line.230"></a>
+<span class="sourceLineNo">231</span> throw iox;<a
name="line.231"></a>
+<span class="sourceLineNo">232</span> }<a name="line.232"></a>
+<span class="sourceLineNo">233</span> // update metrics<a
name="line.233"></a>
+<span class="sourceLineNo">234</span>
this.metrics.setAgeOfLastShippedOp(entries.get(entries.size() -
1).getKey().getWriteTime(),<a name="line.234"></a>
+<span class="sourceLineNo">235</span> walGroupId);<a
name="line.235"></a>
+<span class="sourceLineNo">236</span> return true;<a
name="line.236"></a>
+<span class="sourceLineNo">237</span><a name="line.237"></a>
+<span class="sourceLineNo">238</span> } catch (IOException ioe) {<a
name="line.238"></a>
+<span class="sourceLineNo">239</span> // Didn't ship anything, but must
still age the last time we did<a name="line.239"></a>
+<span class="sourceLineNo">240</span>
this.metrics.refreshAgeOfLastShippedOp(walGroupId);<a name="line.240"></a>
+<span class="sourceLineNo">241</span> if (ioe instanceof
RemoteException) {<a name="line.241"></a>
+<span class="sourceLineNo">242</span> ioe = ((RemoteException)
ioe).unwrapRemoteException();<a name="line.242"></a>
+<span class="sourceLineNo">243</span> LOG.warn("Can't replicate
because of an error on the remote cluster: ", ioe);<a name="line.243"></a>
+<span class="sourceLineNo">244</span> if (ioe instanceof
TableNotFoundException) {<a name="line.244"></a>
+<span class="sourceLineNo">245</span> if (sleepForRetries("A table
is missing in the peer cluster. "<a name="line.245"></a>
+<span class="sourceLineNo">246</span> + "Replication cannot
proceed without losing data.", sleepMultiplier)) {<a name="line.246"></a>
+<span class="sourceLineNo">247</span> sleepMultiplier++;<a
name="line.247"></a>
+<span class="sourceLineNo">248</span> }<a name="line.248"></a>
+<span class="sourceLineNo">249</span> }<a name="line.249"></a>
+<span class="sourceLineNo">250</span> } else {<a name="line.250"></a>
+<span class="sourceLineNo">251</span> if (ioe instanceof
SocketTimeoutException) {<a name="line.251"></a>
+<span class="sourceLineNo">252</span> // This exception means we
waited for more than 60s and nothing<a name="line.252"></a>
+<span class="sourceLineNo">253</span> // happened, the cluster is
alive and calling it right away<a name="line.253"></a>
+<span class="sourceLineNo">254</span> // even for a test just makes
things worse.<a name="line.254"></a>
+<span class="sourceLineNo">255</span> sleepForRetries("Encountered
a SocketTimeoutException. Since the " +<a name="line.255"></a>
+<span class="sourceLineNo">256</span> "call to the remote cluster
timed out, which is usually " +<a name="line.256"></a>
+<span class="sourceLineNo">257</span> "caused by a machine
failure or a massive slowdown",<a name="line.257"></a>
+<span class="sourceLineNo">258</span>
this.socketTimeoutMultiplier);<a name="line.258"></a>
+<span class="sourceLineNo">259</span> } else if (ioe instanceof
ConnectException) {<a name="line.259"></a>
+<span class="sourceLineNo">260</span> LOG.warn("Peer is
unavailable, rechecking all sinks: ", ioe);<a name="line.260"></a>
+<span class="sourceLineNo">261</span>
replicationSinkMgr.chooseSinks();<a name="line.261"></a>
+<span class="sourceLineNo">262</span> } else {<a name="line.262"></a>
+<span class="sourceLineNo">263</span> LOG.warn("Can't replicate
because of a local or network error: ", ioe);<a name="line.263"></a>
+<span class="sourceLineNo">264</span> }<a name="line.264"></a>
+<span class="sourceLineNo">265</span> }<a name="line.265"></a>
+<span class="sourceLineNo">266</span> if (sleepForRetries("Since we are
unable to replicate", sleepMultiplier)) {<a name="line.266"></a>
+<span class="sourceLineNo">267</span> sleepMultiplier++;<a
name="line.267"></a>
+<span class="sourceLineNo">268</span> }<a name="line.268"></a>
+<span class="sourceLineNo">269</span> }<a name="line.269"></a>
+<span class="sourceLineNo">270</span> }<a name="line.270"></a>
+<span class="sourceLineNo">271</span> return false; // in case we exited
before replicating<a name="line.271"></a>
+<span class="sourceLineNo">272</span> }<a name="line.272"></a>
+<span class="sourceLineNo">273</span><a name="line.273"></a>
+<span class="sourceLineNo">274</span> protected boolean isPeerEnabled() {<a
name="line.274"></a>
+<span class="sourceLineNo">275</span> return
ctx.getReplicationPeer().getPeerState() == PeerState.ENABLED;<a
name="line.275"></a>
+<span class="sourceLineNo">276</span> }<a name="line.276"></a>
+<span class="sourceLineNo">277</span><a name="line.277"></a>
+<span class="sourceLineNo">278</span> @Override<a name="line.278"></a>
+<span class="sourceLineNo">279</span> protected void doStop() {<a
name="line.279"></a>
+<span class="sourceLineNo">280</span> disconnect(); //don't call
super.doStop()<a name="line.280"></a>
+<span class="sourceLineNo">281</span> if (this.conn != null) {<a
name="line.281"></a>
+<span class="sourceLineNo">282</span> try {<a name="line.282"></a>
+<span class="sourceLineNo">283</span> this.conn.close();<a
name="line.283"></a>
+<span class="sourceLineNo">284</span> this.conn = null;<a
name="line.284"></a>
+<span class="sourceLineNo">285</span> } catch (IOException e) {<a
name="line.285"></a>
+<span class="sourceLineNo">286</span> LOG.warn("Failed to close the
connection");<a name="line.286"></a>
+<span class="sourceLineNo">287</span> }<a name="line.287"></a>
+<span class="sourceLineNo">288</span> }<a name="line.288"></a>
+<span class="sourceLineNo">289</span> exec.shutdownNow();<a
name="line.289"></a>
+<span class="sourceLineNo">290</span> notifyStopped();<a
name="line.290"></a>
+<span class="sourceLineNo">291</span> }<a name="line.291"></a>
+<span class="sourceLineNo">292</span><a name="line.292"></a>
+<span class="sourceLineNo">293</span> // is this needed? Nobody else will
call doStop() otherwise<a name="line.293"></a>
+<span class="sourceLineNo">294</span> @Override<a name="line.294"></a>
+<span class="sourceLineNo">295</span> public State stopAndWait() {<a
name="line.295"></a>
+<span class="sourceLineNo">296</span> doStop();<a name="line.296"></a>
+<span class="sourceLineNo">297</span> return super.stopAndWait();<a
name="line.297"></a>
+<span class="sourceLineNo">298</span> }<a name="line.298"></a>
+<span class="sourceLineNo">299</span><a name="line.299"></a>
+<span class="sourceLineNo">300</span> @VisibleForTesting<a
name="line.300"></a>
+<span class="sourceLineNo">301</span> protected Replicator
createReplicator(List<Entry> entries, int ordinal) {<a
name="line.301"></a>
+<span class="sourceLineNo">302</span> return new Replicator(entries,
ordinal);<a name="line.302"></a>
+<span class="sourceLineNo">303</span> }<a name="line.303"></a>
+<span class="sourceLineNo">304</span><a name="line.304"></a>
+<span class="sourceLineNo">305</span> @VisibleForTesting<a
name="line.305"></a>
+<span class="sourceLineNo">306</span> protected class Replicator implements
Callable<Integer> {<a name="line.306"></a>
+<span class="sourceLineNo">307</span> private List<Entry> entries;<a
name="line.307"></a>
+<span class="sourceLineNo">308</span> private int ordinal;<a
name="line.308"></a>
+<span class="sourceLineNo">309</span> public Replicator(List<Entry>
entries, int ordinal) {<a name="line.309"></a>
+<span class="sourceLineNo">310</span> this.entries = entries;<a
name="line.310"></a>
+<span class="sourceLineNo">311</span> this.ordinal = ordinal;<a
name="line.311"></a>
+<span class="sourceLineNo">312</span> }<a name="line.312"></a>
+<span class="sourceLineNo">313</span><a name="line.313"></a>
+<span class="sourceLineNo">314</span> @Override<a name="line.314"></a>
+<span class="sourceLineNo">315</span> public Integer call() throws
IOException {<a name="line.315"></a>
+<span class="sourceLineNo">316</span> SinkPeer sinkPeer = null;<a
name="line.316"></a>
+<span class="sourceLineNo">317</span> try {<a name="line.317"></a>
+<span class="sourceLineNo">318</span> sinkPeer =
replicationSinkMgr.getReplicationSink();<a name="line.318"></a>
+<span class="sourceLineNo">319</span> BlockingInterface rrs =
sinkPeer.getRegionServer();<a name="line.319"></a>
+<span class="sourceLineNo">320</span>
ReplicationProtbufUtil.replicateWALEntry(rrs,<a name="line.320"></a>
+<span class="sourceLineNo">321</span> entries.toArray(new
Entry[entries.size()]));<a name="line.321"></a>
+<span class="sourceLineNo">322</span>
replicationSinkMgr.reportSinkSuccess(sinkPeer);<a name="line.322"></a>
+<span class="sourceLineNo">323</span> return ordinal;<a
name="line.323"></a>
+<span class="sourceLineNo">324</span><a name="line.324"></a>
+<span class="sourceLineNo">325</span> } catch (IOException ioe) {<a
name="line.325"></a>
+<span class="sourceLineNo">326</span> if (sinkPeer != null) {<a
name="line.326"></a>
+<span class="sourceLineNo">327</span>
replicationSinkMgr.reportBadSink(sinkPeer);<a name="line.327"></a>
+<span class="sourceLineNo">328</span> }<a name="line.328"></a>
+<span class="sourceLineNo">329</span> throw ioe;<a name="line.329"></a>
+<span class="sourceLineNo">330</span> }<a name="line.330"></a>
+<span class="sourceLineNo">331</span> }<a name="line.331"></a>
+<span class="sourceLineNo">332</span><a name="line.332"></a>
+<span class="sourceLineNo">333</span> }<a name="line.333"></a>
+<span class="sourceLineNo">334</span>}<a name="line.334"></a>
