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Posted to commits@hbase.apache.org by gi...@apache.org on 2018/01/07 15:31:19 UTC
[25/36] hbase-site git commit: Published site at .
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/f54ec79f/devapidocs/src-html/org/apache/hadoop/hbase/replication/ReplicationPeerZKImpl.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/replication/ReplicationPeerZKImpl.html b/devapidocs/src-html/org/apache/hadoop/hbase/replication/ReplicationPeerZKImpl.html
index 398262a..7630132 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/replication/ReplicationPeerZKImpl.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/replication/ReplicationPeerZKImpl.html
@@ -39,16 +39,16 @@
<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.client.replication.ReplicationPeerConfigUtil;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.exceptions.DeserializationException;<a name="line.32"></a>
<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.log.HBaseMarkers;<a name="line.33"></a>
-<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.34"></a>
-<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.zookeeper.ZKNodeTracker;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.zookeeper.ZKUtil;<a name="line.37"></a>
-<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.zookeeper.ZKWatcher;<a name="line.38"></a>
-<span class="sourceLineNo">039</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.39"></a>
-<span class="sourceLineNo">040</span>import org.apache.zookeeper.KeeperException;<a name="line.40"></a>
-<span class="sourceLineNo">041</span>import org.apache.zookeeper.KeeperException.NodeExistsException;<a name="line.41"></a>
-<span class="sourceLineNo">042</span>import org.slf4j.Logger;<a name="line.42"></a>
-<span class="sourceLineNo">043</span>import org.slf4j.LoggerFactory;<a name="line.43"></a>
+<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.zookeeper.ZKNodeTracker;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.zookeeper.ZKUtil;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.zookeeper.ZKWatcher;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.zookeeper.KeeperException;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import org.slf4j.Logger;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import org.slf4j.LoggerFactory;<a name="line.40"></a>
+<span class="sourceLineNo">041</span><a name="line.41"></a>
+<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos;<a name="line.43"></a>
<span class="sourceLineNo">044</span><a name="line.44"></a>
<span class="sourceLineNo">045</span>@InterfaceAudience.Private<a name="line.45"></a>
<span class="sourceLineNo">046</span>public class ReplicationPeerZKImpl extends ReplicationStateZKBase<a name="line.46"></a>
@@ -85,246 +85,241 @@
<span class="sourceLineNo">077</span> * start a state tracker to check whether this peer is enabled or not<a name="line.77"></a>
<span class="sourceLineNo">078</span> *<a name="line.78"></a>
<span class="sourceLineNo">079</span> * @param peerStateNode path to zk node which stores peer state<a name="line.79"></a>
-<span class="sourceLineNo">080</span> * @throws KeeperException<a name="line.80"></a>
+<span class="sourceLineNo">080</span> * @throws KeeperException if creating the znode fails<a name="line.80"></a>
<span class="sourceLineNo">081</span> */<a name="line.81"></a>
-<span class="sourceLineNo">082</span> public void startStateTracker(String peerStateNode)<a name="line.82"></a>
-<span class="sourceLineNo">083</span> throws KeeperException {<a name="line.83"></a>
-<span class="sourceLineNo">084</span> ensurePeerEnabled(peerStateNode);<a name="line.84"></a>
-<span class="sourceLineNo">085</span> this.peerStateTracker = new PeerStateTracker(peerStateNode, zookeeper, this);<a name="line.85"></a>
-<span class="sourceLineNo">086</span> this.peerStateTracker.start();<a name="line.86"></a>
-<span class="sourceLineNo">087</span> try {<a name="line.87"></a>
-<span class="sourceLineNo">088</span> this.readPeerStateZnode();<a name="line.88"></a>
-<span class="sourceLineNo">089</span> } catch (DeserializationException e) {<a name="line.89"></a>
-<span class="sourceLineNo">090</span> throw ZKUtil.convert(e);<a name="line.90"></a>
-<span class="sourceLineNo">091</span> }<a name="line.91"></a>
-<span class="sourceLineNo">092</span> }<a name="line.92"></a>
-<span class="sourceLineNo">093</span><a name="line.93"></a>
-<span class="sourceLineNo">094</span> private void readPeerStateZnode() throws DeserializationException {<a name="line.94"></a>
-<span class="sourceLineNo">095</span> this.peerState =<a name="line.95"></a>
-<span class="sourceLineNo">096</span> isStateEnabled(this.peerStateTracker.getData(false))<a name="line.96"></a>
-<span class="sourceLineNo">097</span> ? PeerState.ENABLED<a name="line.97"></a>
-<span class="sourceLineNo">098</span> : PeerState.DISABLED;<a name="line.98"></a>
-<span class="sourceLineNo">099</span> }<a name="line.99"></a>
-<span class="sourceLineNo">100</span><a name="line.100"></a>
-<span class="sourceLineNo">101</span> /**<a name="line.101"></a>
-<span class="sourceLineNo">102</span> * start a table-cfs tracker to listen the (table, cf-list) map change<a name="line.102"></a>
-<span class="sourceLineNo">103</span> * @param peerConfigNode path to zk node which stores table-cfs<a name="line.103"></a>
-<span class="sourceLineNo">104</span> * @throws KeeperException<a name="line.104"></a>
-<span class="sourceLineNo">105</span> */<a name="line.105"></a>
-<span class="sourceLineNo">106</span> public void startPeerConfigTracker(String peerConfigNode)<a name="line.106"></a>
-<span class="sourceLineNo">107</span> throws KeeperException {<a name="line.107"></a>
-<span class="sourceLineNo">108</span> this.peerConfigTracker = new PeerConfigTracker(peerConfigNode, zookeeper,<a name="line.108"></a>
-<span class="sourceLineNo">109</span> this);<a name="line.109"></a>
-<span class="sourceLineNo">110</span> this.peerConfigTracker.start();<a name="line.110"></a>
-<span class="sourceLineNo">111</span> this.readPeerConfig();<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 ReplicationPeerConfig readPeerConfig() {<a name="line.114"></a>
-<span class="sourceLineNo">115</span> try {<a name="line.115"></a>
-<span class="sourceLineNo">116</span> byte[] data = peerConfigTracker.getData(false);<a name="line.116"></a>
-<span class="sourceLineNo">117</span> if (data != null) {<a name="line.117"></a>
-<span class="sourceLineNo">118</span> this.peerConfig = ReplicationPeerConfigUtil.parsePeerFrom(data);<a name="line.118"></a>
-<span class="sourceLineNo">119</span> }<a name="line.119"></a>
-<span class="sourceLineNo">120</span> } catch (DeserializationException e) {<a name="line.120"></a>
-<span class="sourceLineNo">121</span> LOG.error("", e);<a name="line.121"></a>
-<span class="sourceLineNo">122</span> }<a name="line.122"></a>
-<span class="sourceLineNo">123</span> return this.peerConfig;<a name="line.123"></a>
-<span class="sourceLineNo">124</span> }<a name="line.124"></a>
-<span class="sourceLineNo">125</span><a name="line.125"></a>
-<span class="sourceLineNo">126</span> @Override<a name="line.126"></a>
-<span class="sourceLineNo">127</span> public PeerState getPeerState() {<a name="line.127"></a>
-<span class="sourceLineNo">128</span> return peerState;<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> * Get the identifier of this peer<a name="line.132"></a>
-<span class="sourceLineNo">133</span> * @return string representation of the id (short)<a name="line.133"></a>
-<span class="sourceLineNo">134</span> */<a name="line.134"></a>
-<span class="sourceLineNo">135</span> @Override<a name="line.135"></a>
-<span class="sourceLineNo">136</span> public String getId() {<a name="line.136"></a>
-<span class="sourceLineNo">137</span> return id;<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> /**<a name="line.140"></a>
-<span class="sourceLineNo">141</span> * Get the peer config object<a name="line.141"></a>
-<span class="sourceLineNo">142</span> * @return the ReplicationPeerConfig for this peer<a name="line.142"></a>
-<span class="sourceLineNo">143</span> */<a name="line.143"></a>
-<span class="sourceLineNo">144</span> @Override<a name="line.144"></a>
-<span class="sourceLineNo">145</span> public ReplicationPeerConfig getPeerConfig() {<a name="line.145"></a>
-<span class="sourceLineNo">146</span> return peerConfig;<a name="line.146"></a>
-<span class="sourceLineNo">147</span> }<a name="line.147"></a>
-<span class="sourceLineNo">148</span><a name="line.148"></a>
-<span class="sourceLineNo">149</span> /**<a name="line.149"></a>
-<span class="sourceLineNo">150</span> * Get the configuration object required to communicate with this peer<a name="line.150"></a>
-<span class="sourceLineNo">151</span> * @return configuration object<a name="line.151"></a>
-<span class="sourceLineNo">152</span> */<a name="line.152"></a>
-<span class="sourceLineNo">153</span> @Override<a name="line.153"></a>
-<span class="sourceLineNo">154</span> public Configuration getConfiguration() {<a name="line.154"></a>
-<span class="sourceLineNo">155</span> return conf;<a name="line.155"></a>
-<span class="sourceLineNo">156</span> }<a name="line.156"></a>
-<span class="sourceLineNo">157</span><a name="line.157"></a>
-<span class="sourceLineNo">158</span> /**<a name="line.158"></a>
-<span class="sourceLineNo">159</span> * Get replicable (table, cf-list) map of this peer<a name="line.159"></a>
-<span class="sourceLineNo">160</span> * @return the replicable (table, cf-list) map<a name="line.160"></a>
-<span class="sourceLineNo">161</span> */<a name="line.161"></a>
-<span class="sourceLineNo">162</span> @Override<a name="line.162"></a>
-<span class="sourceLineNo">163</span> public Map<TableName, List<String>> getTableCFs() {<a name="line.163"></a>
-<span class="sourceLineNo">164</span> this.tableCFs = peerConfig.getTableCFsMap();<a name="line.164"></a>
-<span class="sourceLineNo">165</span> return this.tableCFs;<a name="line.165"></a>
-<span class="sourceLineNo">166</span> }<a name="line.166"></a>
-<span class="sourceLineNo">167</span><a name="line.167"></a>
-<span class="sourceLineNo">168</span> /**<a name="line.168"></a>
-<span class="sourceLineNo">169</span> * Get replicable namespace set of this peer<a name="line.169"></a>
-<span class="sourceLineNo">170</span> * @return the replicable namespaces set<a name="line.170"></a>
-<span class="sourceLineNo">171</span> */<a name="line.171"></a>
-<span class="sourceLineNo">172</span> @Override<a name="line.172"></a>
-<span class="sourceLineNo">173</span> public Set<String> getNamespaces() {<a name="line.173"></a>
-<span class="sourceLineNo">174</span> return this.peerConfig.getNamespaces();<a name="line.174"></a>
-<span class="sourceLineNo">175</span> }<a name="line.175"></a>
-<span class="sourceLineNo">176</span><a name="line.176"></a>
-<span class="sourceLineNo">177</span> @Override<a name="line.177"></a>
-<span class="sourceLineNo">178</span> public long getPeerBandwidth() {<a name="line.178"></a>
-<span class="sourceLineNo">179</span> return this.peerConfig.getBandwidth();<a name="line.179"></a>
-<span class="sourceLineNo">180</span> }<a name="line.180"></a>
-<span class="sourceLineNo">181</span><a name="line.181"></a>
-<span class="sourceLineNo">182</span> @Override<a name="line.182"></a>
-<span class="sourceLineNo">183</span> public void trackPeerConfigChanges(ReplicationPeerConfigListener listener) {<a name="line.183"></a>
-<span class="sourceLineNo">184</span> if (this.peerConfigTracker != null){<a name="line.184"></a>
-<span class="sourceLineNo">185</span> this.peerConfigTracker.setListener(listener);<a name="line.185"></a>
-<span class="sourceLineNo">186</span> }<a name="line.186"></a>
-<span class="sourceLineNo">187</span> }<a name="line.187"></a>
-<span class="sourceLineNo">188</span><a name="line.188"></a>
-<span class="sourceLineNo">189</span> @Override<a name="line.189"></a>
-<span class="sourceLineNo">190</span> public void abort(String why, Throwable e) {<a name="line.190"></a>
-<span class="sourceLineNo">191</span> LOG.error(HBaseMarkers.FATAL, "The ReplicationPeer corresponding to peer " +<a name="line.191"></a>
-<span class="sourceLineNo">192</span> peerConfig + " was aborted for the following reason(s):" + why, e);<a name="line.192"></a>
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-<span class="sourceLineNo">194</span><a name="line.194"></a>
-<span class="sourceLineNo">195</span> @Override<a name="line.195"></a>
-<span class="sourceLineNo">196</span> public boolean isAborted() {<a name="line.196"></a>
-<span class="sourceLineNo">197</span> // Currently the replication peer is never "Aborted", we just log when the<a name="line.197"></a>
-<span class="sourceLineNo">198</span> // abort method is called.<a name="line.198"></a>
-<span class="sourceLineNo">199</span> return false;<a name="line.199"></a>
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-<span class="sourceLineNo">201</span><a name="line.201"></a>
-<span class="sourceLineNo">202</span> @Override<a name="line.202"></a>
-<span class="sourceLineNo">203</span> public void close() throws IOException {<a name="line.203"></a>
-<span class="sourceLineNo">204</span> // TODO: stop zkw?<a name="line.204"></a>
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-<span class="sourceLineNo">206</span><a name="line.206"></a>
-<span class="sourceLineNo">207</span> /**<a name="line.207"></a>
-<span class="sourceLineNo">208</span> * Parse the raw data from ZK to get a peer's state<a name="line.208"></a>
-<span class="sourceLineNo">209</span> * @param bytes raw ZK data<a name="line.209"></a>
-<span class="sourceLineNo">210</span> * @return True if the passed in <code>bytes</code> are those of a pb serialized ENABLED state.<a name="line.210"></a>
-<span class="sourceLineNo">211</span> * @throws DeserializationException<a name="line.211"></a>
-<span class="sourceLineNo">212</span> */<a name="line.212"></a>
-<span class="sourceLineNo">213</span> public static boolean isStateEnabled(final byte[] bytes) throws DeserializationException {<a name="line.213"></a>
-<span class="sourceLineNo">214</span> ReplicationProtos.ReplicationState.State state = parseStateFrom(bytes);<a name="line.214"></a>
-<span class="sourceLineNo">215</span> return ReplicationProtos.ReplicationState.State.ENABLED == state;<a name="line.215"></a>
-<span class="sourceLineNo">216</span> }<a name="line.216"></a>
-<span class="sourceLineNo">217</span><a name="line.217"></a>
-<span class="sourceLineNo">218</span> /**<a name="line.218"></a>
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-<span class="sourceLineNo">224</span> throws DeserializationException {<a name="line.224"></a>
-<span class="sourceLineNo">225</span> ProtobufUtil.expectPBMagicPrefix(bytes);<a name="line.225"></a>
-<span class="sourceLineNo">226</span> int pblen = ProtobufUtil.lengthOfPBMagic();<a name="line.226"></a>
-<span class="sourceLineNo">227</span> ReplicationProtos.ReplicationState.Builder builder =<a name="line.227"></a>
-<span class="sourceLineNo">228</span> ReplicationProtos.ReplicationState.newBuilder();<a name="line.228"></a>
-<span class="sourceLineNo">229</span> ReplicationProtos.ReplicationState state;<a name="line.229"></a>
-<span class="sourceLineNo">230</span> try {<a name="line.230"></a>
-<span class="sourceLineNo">231</span> ProtobufUtil.mergeFrom(builder, bytes, pblen, bytes.length - pblen);<a name="line.231"></a>
-<span class="sourceLineNo">232</span> state = builder.build();<a name="line.232"></a>
-<span class="sourceLineNo">233</span> return state.getState();<a name="line.233"></a>
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-<span class="sourceLineNo">235</span> throw new DeserializationException(e);<a name="line.235"></a>
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-<span class="sourceLineNo">239</span> /**<a name="line.239"></a>
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-<span class="sourceLineNo">241</span> * @param path Path to znode to check<a name="line.241"></a>
-<span class="sourceLineNo">242</span> * @return True if we created the znode.<a name="line.242"></a>
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-<span class="sourceLineNo">247</span> throws NodeExistsException, KeeperException {<a name="line.247"></a>
-<span class="sourceLineNo">248</span> if (ZKUtil.checkExists(zookeeper, path) == -1) {<a name="line.248"></a>
-<span class="sourceLineNo">249</span> // There is a race b/w PeerWatcher and ReplicationZookeeper#add method to create the<a name="line.249"></a>
-<span class="sourceLineNo">250</span> // peer-state znode. This happens while adding a peer.<a name="line.250"></a>
-<span class="sourceLineNo">251</span> // The peer state data is set as "ENABLED" by default.<a name="line.251"></a>
-<span class="sourceLineNo">252</span> ZKUtil.createNodeIfNotExistsAndWatch(zookeeper, path,<a name="line.252"></a>
-<span class="sourceLineNo">253</span> ReplicationStateZKBase.ENABLED_ZNODE_BYTES);<a name="line.253"></a>
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-<span class="sourceLineNo">256</span> return false;<a name="line.256"></a>
-<span class="sourceLineNo">257</span> }<a name="line.257"></a>
+<span class="sourceLineNo">082</span> public void startStateTracker(String peerStateNode) throws KeeperException {<a name="line.82"></a>
+<span class="sourceLineNo">083</span> ensurePeerEnabled(peerStateNode);<a name="line.83"></a>
+<span class="sourceLineNo">084</span> this.peerStateTracker = new PeerStateTracker(peerStateNode, zookeeper, this);<a name="line.84"></a>
+<span class="sourceLineNo">085</span> this.peerStateTracker.start();<a name="line.85"></a>
+<span class="sourceLineNo">086</span> try {<a name="line.86"></a>
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+<span class="sourceLineNo">092</span><a name="line.92"></a>
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+<span class="sourceLineNo">095</span> isStateEnabled(this.peerStateTracker.getData(false))<a name="line.95"></a>
+<span class="sourceLineNo">096</span> ? PeerState.ENABLED<a name="line.96"></a>
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+<span class="sourceLineNo">103</span> */<a name="line.103"></a>
+<span class="sourceLineNo">104</span> public void startPeerConfigTracker(String peerConfigNode) throws KeeperException {<a name="line.104"></a>
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+<span class="sourceLineNo">106</span> this);<a name="line.106"></a>
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+<span class="sourceLineNo">108</span> this.readPeerConfig();<a name="line.108"></a>
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+<span class="sourceLineNo">111</span> private ReplicationPeerConfig readPeerConfig() {<a name="line.111"></a>
+<span class="sourceLineNo">112</span> try {<a name="line.112"></a>
+<span class="sourceLineNo">113</span> byte[] data = peerConfigTracker.getData(false);<a name="line.113"></a>
+<span class="sourceLineNo">114</span> if (data != null) {<a name="line.114"></a>
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http://git-wip-us.apache.org/repos/asf/hbase-site/blob/f54ec79f/devapidocs/src-html/org/apache/hadoop/hbase/replication/ReplicationPeers.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/replication/ReplicationPeers.html b/devapidocs/src-html/org/apache/hadoop/hbase/replication/ReplicationPeers.html
index 3dc704c..151033e 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/replication/ReplicationPeers.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/replication/ReplicationPeers.html
@@ -33,8 +33,8 @@
<span class="sourceLineNo">025</span><a name="line.25"></a>
<span class="sourceLineNo">026</span>import org.apache.hadoop.conf.Configuration;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.TableName;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.28"></a>
-<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.29"></a>
+<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.29"></a>
<span class="sourceLineNo">030</span><a name="line.30"></a>
<span class="sourceLineNo">031</span>/**<a name="line.31"></a>
<span class="sourceLineNo">032</span> * This provides an interface for maintaining a set of peer clusters. These peers are remote slave<a name="line.32"></a>
@@ -84,7 +84,7 @@
<span class="sourceLineNo">076</span> * newly connected cluster.<a name="line.76"></a>
<span class="sourceLineNo">077</span> * @param peerId a short that identifies the cluster<a name="line.77"></a>
<span class="sourceLineNo">078</span> * @return whether a ReplicationPeer was successfully created<a name="line.78"></a>
-<span class="sourceLineNo">079</span> * @throws ReplicationException<a name="line.79"></a>
+<span class="sourceLineNo">079</span> * @throws ReplicationException if connecting to the peer fails<a name="line.79"></a>
<span class="sourceLineNo">080</span> */<a name="line.80"></a>
<span class="sourceLineNo">081</span> boolean peerConnected(String peerId) throws ReplicationException;<a name="line.81"></a>
<span class="sourceLineNo">082</span><a name="line.82"></a>
@@ -190,7 +190,7 @@
<span class="sourceLineNo">182</span> * Update the peerConfig for the a given peer cluster<a name="line.182"></a>
<span class="sourceLineNo">183</span> * @param id a short that identifies the cluster<a name="line.183"></a>
<span class="sourceLineNo">184</span> * @param peerConfig new config for the peer cluster<a name="line.184"></a>
-<span class="sourceLineNo">185</span> * @throws ReplicationException<a name="line.185"></a>
+<span class="sourceLineNo">185</span> * @throws ReplicationException if updating the peer configuration fails<a name="line.185"></a>
<span class="sourceLineNo">186</span> */<a name="line.186"></a>
<span class="sourceLineNo">187</span> void updatePeerConfig(String id, ReplicationPeerConfig peerConfig) throws ReplicationException;<a name="line.187"></a>
<span class="sourceLineNo">188</span>}<a name="line.188"></a>