You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@hbase.apache.org by gi...@apache.org on 2018/09/29 14:52:41 UTC
[23/41] hbase-site git commit: Published site at
fdbaa4c3f0253700d12b6bd61cacf29ca7fbc19f.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/83fd16f2/devapidocs/src-html/org/apache/hadoop/hbase/master/replication/ModifyPeerProcedure.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/replication/ModifyPeerProcedure.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/replication/ModifyPeerProcedure.html
index 2cb7b3f..2db6d5f 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/replication/ModifyPeerProcedure.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/replication/ModifyPeerProcedure.html
@@ -41,350 +41,349 @@
<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.master.procedure.ReopenTableRegionsProcedure;<a name="line.33"></a>
<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.procedure2.ProcedureSuspendedException;<a name="line.34"></a>
<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.procedure2.ProcedureUtil;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.procedure2.ProcedureYieldException;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.replication.ReplicationException;<a name="line.37"></a>
-<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.replication.ReplicationPeerConfig;<a name="line.38"></a>
-<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.replication.ReplicationQueueStorage;<a name="line.39"></a>
-<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.replication.ReplicationUtils;<a name="line.40"></a>
-<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.41"></a>
-<span class="sourceLineNo">042</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.42"></a>
-<span class="sourceLineNo">043</span>import org.slf4j.Logger;<a name="line.43"></a>
-<span class="sourceLineNo">044</span>import org.slf4j.LoggerFactory;<a name="line.44"></a>
-<span class="sourceLineNo">045</span><a name="line.45"></a>
-<span class="sourceLineNo">046</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.46"></a>
-<span class="sourceLineNo">047</span><a name="line.47"></a>
-<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.PeerModificationState;<a name="line.48"></a>
-<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos;<a name="line.49"></a>
-<span class="sourceLineNo">050</span><a name="line.50"></a>
-<span class="sourceLineNo">051</span>/**<a name="line.51"></a>
-<span class="sourceLineNo">052</span> * The base class for all replication peer related procedure except sync replication state<a name="line.52"></a>
-<span class="sourceLineNo">053</span> * transition.<a name="line.53"></a>
-<span class="sourceLineNo">054</span> */<a name="line.54"></a>
-<span class="sourceLineNo">055</span>@InterfaceAudience.Private<a name="line.55"></a>
-<span class="sourceLineNo">056</span>public abstract class ModifyPeerProcedure extends AbstractPeerProcedure<PeerModificationState> {<a name="line.56"></a>
-<span class="sourceLineNo">057</span><a name="line.57"></a>
-<span class="sourceLineNo">058</span> private static final Logger LOG = LoggerFactory.getLogger(ModifyPeerProcedure.class);<a name="line.58"></a>
-<span class="sourceLineNo">059</span><a name="line.59"></a>
-<span class="sourceLineNo">060</span> protected static final int UPDATE_LAST_SEQ_ID_BATCH_SIZE = 1000;<a name="line.60"></a>
-<span class="sourceLineNo">061</span><a name="line.61"></a>
-<span class="sourceLineNo">062</span> // The sleep interval when waiting table to be enabled or disabled.<a name="line.62"></a>
-<span class="sourceLineNo">063</span> protected static final int SLEEP_INTERVAL_MS = 1000;<a name="line.63"></a>
-<span class="sourceLineNo">064</span><a name="line.64"></a>
-<span class="sourceLineNo">065</span> private int attemps;<a name="line.65"></a>
-<span class="sourceLineNo">066</span><a name="line.66"></a>
-<span class="sourceLineNo">067</span> protected ModifyPeerProcedure() {<a name="line.67"></a>
-<span class="sourceLineNo">068</span> }<a name="line.68"></a>
-<span class="sourceLineNo">069</span><a name="line.69"></a>
-<span class="sourceLineNo">070</span> protected ModifyPeerProcedure(String peerId) {<a name="line.70"></a>
-<span class="sourceLineNo">071</span> super(peerId);<a name="line.71"></a>
-<span class="sourceLineNo">072</span> }<a name="line.72"></a>
-<span class="sourceLineNo">073</span><a name="line.73"></a>
-<span class="sourceLineNo">074</span> /**<a name="line.74"></a>
-<span class="sourceLineNo">075</span> * Called before we start the actual processing. The implementation should call the pre CP hook,<a name="line.75"></a>
-<span class="sourceLineNo">076</span> * and also the pre-check for the peer modification.<a name="line.76"></a>
-<span class="sourceLineNo">077</span> * <p><a name="line.77"></a>
-<span class="sourceLineNo">078</span> * If an IOException is thrown then we will give up and mark the procedure as failed directly. If<a name="line.78"></a>
-<span class="sourceLineNo">079</span> * all checks passes then the procedure can not be rolled back any more.<a name="line.79"></a>
-<span class="sourceLineNo">080</span> */<a name="line.80"></a>
-<span class="sourceLineNo">081</span> protected abstract void prePeerModification(MasterProcedureEnv env)<a name="line.81"></a>
-<span class="sourceLineNo">082</span> throws IOException, ReplicationException;<a name="line.82"></a>
-<span class="sourceLineNo">083</span><a name="line.83"></a>
-<span class="sourceLineNo">084</span> protected abstract void updatePeerStorage(MasterProcedureEnv env) throws ReplicationException;<a name="line.84"></a>
-<span class="sourceLineNo">085</span><a name="line.85"></a>
-<span class="sourceLineNo">086</span> /**<a name="line.86"></a>
-<span class="sourceLineNo">087</span> * Called before we finish the procedure. The implementation can do some logging work, and also<a name="line.87"></a>
-<span class="sourceLineNo">088</span> * call the coprocessor hook if any.<a name="line.88"></a>
-<span class="sourceLineNo">089</span> * <p><a name="line.89"></a>
-<span class="sourceLineNo">090</span> * Notice that, since we have already done the actual work, throwing {@code IOException} here will<a name="line.90"></a>
-<span class="sourceLineNo">091</span> * not fail this procedure, we will just ignore it and finish the procedure as suceeded. If<a name="line.91"></a>
-<span class="sourceLineNo">092</span> * {@code ReplicationException} is thrown we will retry since this usually means we fails to<a name="line.92"></a>
-<span class="sourceLineNo">093</span> * update the peer storage.<a name="line.93"></a>
-<span class="sourceLineNo">094</span> */<a name="line.94"></a>
-<span class="sourceLineNo">095</span> protected abstract void postPeerModification(MasterProcedureEnv env)<a name="line.95"></a>
-<span class="sourceLineNo">096</span> throws IOException, ReplicationException;<a name="line.96"></a>
-<span class="sourceLineNo">097</span><a name="line.97"></a>
-<span class="sourceLineNo">098</span> private void releaseLatch() {<a name="line.98"></a>
-<span class="sourceLineNo">099</span> ProcedurePrepareLatch.releaseLatch(latch, this);<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> /**<a name="line.102"></a>
-<span class="sourceLineNo">103</span> * Implementation class can override this method. By default we will jump to<a name="line.103"></a>
-<span class="sourceLineNo">104</span> * POST_PEER_MODIFICATION and finish the procedure.<a name="line.104"></a>
-<span class="sourceLineNo">105</span> */<a name="line.105"></a>
-<span class="sourceLineNo">106</span> protected PeerModificationState nextStateAfterRefresh() {<a name="line.106"></a>
-<span class="sourceLineNo">107</span> return PeerModificationState.POST_PEER_MODIFICATION;<a name="line.107"></a>
-<span class="sourceLineNo">108</span> }<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> * The implementation class should override this method if the procedure may enter the serial<a name="line.111"></a>
-<span class="sourceLineNo">112</span> * related states.<a name="line.112"></a>
-<span class="sourceLineNo">113</span> */<a name="line.113"></a>
-<span class="sourceLineNo">114</span> protected boolean enablePeerBeforeFinish() {<a name="line.114"></a>
-<span class="sourceLineNo">115</span> throw new UnsupportedOperationException();<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> protected ReplicationPeerConfig getOldPeerConfig() {<a name="line.118"></a>
-<span class="sourceLineNo">119</span> return null;<a name="line.119"></a>
-<span class="sourceLineNo">120</span> }<a name="line.120"></a>
-<span class="sourceLineNo">121</span><a name="line.121"></a>
-<span class="sourceLineNo">122</span> protected ReplicationPeerConfig getNewPeerConfig() {<a name="line.122"></a>
-<span class="sourceLineNo">123</span> throw new UnsupportedOperationException();<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> protected void updateLastPushedSequenceIdForSerialPeer(MasterProcedureEnv env)<a name="line.126"></a>
-<span class="sourceLineNo">127</span> throws IOException, ReplicationException {<a name="line.127"></a>
-<span class="sourceLineNo">128</span> throw new UnsupportedOperationException();<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> // If the table is in enabling state, we need to wait until it is enabled and then reopen all its<a name="line.131"></a>
-<span class="sourceLineNo">132</span> // regions.<a name="line.132"></a>
-<span class="sourceLineNo">133</span> private boolean needReopen(TableStateManager tsm, TableName tn) throws IOException {<a name="line.133"></a>
-<span class="sourceLineNo">134</span> for (;;) {<a name="line.134"></a>
-<span class="sourceLineNo">135</span> try {<a name="line.135"></a>
-<span class="sourceLineNo">136</span> TableState state = tsm.getTableState(tn);<a name="line.136"></a>
-<span class="sourceLineNo">137</span> if (state.isEnabled()) {<a name="line.137"></a>
-<span class="sourceLineNo">138</span> return true;<a name="line.138"></a>
-<span class="sourceLineNo">139</span> }<a name="line.139"></a>
-<span class="sourceLineNo">140</span> if (!state.isEnabling()) {<a name="line.140"></a>
-<span class="sourceLineNo">141</span> return false;<a name="line.141"></a>
-<span class="sourceLineNo">142</span> }<a name="line.142"></a>
-<span class="sourceLineNo">143</span> Thread.sleep(SLEEP_INTERVAL_MS);<a name="line.143"></a>
-<span class="sourceLineNo">144</span> } catch (TableStateNotFoundException e) {<a name="line.144"></a>
-<span class="sourceLineNo">145</span> return false;<a name="line.145"></a>
-<span class="sourceLineNo">146</span> } catch (InterruptedException e) {<a name="line.146"></a>
-<span class="sourceLineNo">147</span> throw (IOException) new InterruptedIOException(e.getMessage()).initCause(e);<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> }<a name="line.150"></a>
-<span class="sourceLineNo">151</span><a name="line.151"></a>
-<span class="sourceLineNo">152</span> // will be override in test to simulate error<a name="line.152"></a>
-<span class="sourceLineNo">153</span> @VisibleForTesting<a name="line.153"></a>
-<span class="sourceLineNo">154</span> protected void reopenRegions(MasterProcedureEnv env) throws IOException {<a name="line.154"></a>
-<span class="sourceLineNo">155</span> ReplicationPeerConfig peerConfig = getNewPeerConfig();<a name="line.155"></a>
-<span class="sourceLineNo">156</span> ReplicationPeerConfig oldPeerConfig = getOldPeerConfig();<a name="line.156"></a>
-<span class="sourceLineNo">157</span> TableStateManager tsm = env.getMasterServices().getTableStateManager();<a name="line.157"></a>
-<span class="sourceLineNo">158</span> for (TableDescriptor td : env.getMasterServices().getTableDescriptors().getAll().values()) {<a name="line.158"></a>
-<span class="sourceLineNo">159</span> if (!td.hasGlobalReplicationScope()) {<a name="line.159"></a>
-<span class="sourceLineNo">160</span> continue;<a name="line.160"></a>
-<span class="sourceLineNo">161</span> }<a name="line.161"></a>
-<span class="sourceLineNo">162</span> TableName tn = td.getTableName();<a name="line.162"></a>
-<span class="sourceLineNo">163</span> if (!ReplicationUtils.contains(peerConfig, tn)) {<a name="line.163"></a>
-<span class="sourceLineNo">164</span> continue;<a name="line.164"></a>
-<span class="sourceLineNo">165</span> }<a name="line.165"></a>
-<span class="sourceLineNo">166</span> if (oldPeerConfig != null && oldPeerConfig.isSerial() &&<a name="line.166"></a>
-<span class="sourceLineNo">167</span> ReplicationUtils.contains(oldPeerConfig, tn)) {<a name="line.167"></a>
-<span class="sourceLineNo">168</span> continue;<a name="line.168"></a>
-<span class="sourceLineNo">169</span> }<a name="line.169"></a>
-<span class="sourceLineNo">170</span> if (needReopen(tsm, tn)) {<a name="line.170"></a>
-<span class="sourceLineNo">171</span> addChildProcedure(new ReopenTableRegionsProcedure(tn));<a name="line.171"></a>
-<span class="sourceLineNo">172</span> }<a name="line.172"></a>
-<span class="sourceLineNo">173</span> }<a name="line.173"></a>
-<span class="sourceLineNo">174</span> }<a name="line.174"></a>
-<span class="sourceLineNo">175</span><a name="line.175"></a>
-<span class="sourceLineNo">176</span> // will be override in test to simulate error<a name="line.176"></a>
-<span class="sourceLineNo">177</span> @VisibleForTesting<a name="line.177"></a>
-<span class="sourceLineNo">178</span> protected void enablePeer(MasterProcedureEnv env) throws ReplicationException {<a name="line.178"></a>
-<span class="sourceLineNo">179</span> env.getReplicationPeerManager().enablePeer(peerId);<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> private void addToMap(Map<String, Long> lastSeqIds, String encodedRegionName, long barrier,<a name="line.182"></a>
-<span class="sourceLineNo">183</span> ReplicationQueueStorage queueStorage) throws ReplicationException {<a name="line.183"></a>
-<span class="sourceLineNo">184</span> if (barrier >= 0) {<a name="line.184"></a>
-<span class="sourceLineNo">185</span> lastSeqIds.put(encodedRegionName, barrier);<a name="line.185"></a>
-<span class="sourceLineNo">186</span> if (lastSeqIds.size() >= UPDATE_LAST_SEQ_ID_BATCH_SIZE) {<a name="line.186"></a>
-<span class="sourceLineNo">187</span> queueStorage.setLastSequenceIds(peerId, lastSeqIds);<a name="line.187"></a>
-<span class="sourceLineNo">188</span> lastSeqIds.clear();<a name="line.188"></a>
-<span class="sourceLineNo">189</span> }<a name="line.189"></a>
-<span class="sourceLineNo">190</span> }<a name="line.190"></a>
-<span class="sourceLineNo">191</span> }<a name="line.191"></a>
-<span class="sourceLineNo">192</span><a name="line.192"></a>
-<span class="sourceLineNo">193</span> protected final void setLastPushedSequenceId(MasterProcedureEnv env,<a name="line.193"></a>
-<span class="sourceLineNo">194</span> ReplicationPeerConfig peerConfig) throws IOException, ReplicationException {<a name="line.194"></a>
-<span class="sourceLineNo">195</span> Map<String, Long> lastSeqIds = new HashMap<String, Long>();<a name="line.195"></a>
-<span class="sourceLineNo">196</span> for (TableDescriptor td : env.getMasterServices().getTableDescriptors().getAll().values()) {<a name="line.196"></a>
-<span class="sourceLineNo">197</span> if (!td.hasGlobalReplicationScope()) {<a name="line.197"></a>
-<span class="sourceLineNo">198</span> continue;<a name="line.198"></a>
-<span class="sourceLineNo">199</span> }<a name="line.199"></a>
-<span class="sourceLineNo">200</span> TableName tn = td.getTableName();<a name="line.200"></a>
-<span class="sourceLineNo">201</span> if (!ReplicationUtils.contains(peerConfig, tn)) {<a name="line.201"></a>
-<span class="sourceLineNo">202</span> continue;<a name="line.202"></a>
-<span class="sourceLineNo">203</span> }<a name="line.203"></a>
-<span class="sourceLineNo">204</span> setLastPushedSequenceIdForTable(env, tn, lastSeqIds);<a name="line.204"></a>
-<span class="sourceLineNo">205</span> }<a name="line.205"></a>
-<span class="sourceLineNo">206</span> if (!lastSeqIds.isEmpty()) {<a name="line.206"></a>
-<span class="sourceLineNo">207</span> env.getReplicationPeerManager().getQueueStorage().setLastSequenceIds(peerId, lastSeqIds);<a name="line.207"></a>
-<span class="sourceLineNo">208</span> }<a name="line.208"></a>
-<span class="sourceLineNo">209</span> }<a name="line.209"></a>
-<span class="sourceLineNo">210</span><a name="line.210"></a>
-<span class="sourceLineNo">211</span> // If the table is currently disabling, then we need to wait until it is disabled.We will write<a name="line.211"></a>
-<span class="sourceLineNo">212</span> // replication barrier for a disabled table. And return whether we need to update the last pushed<a name="line.212"></a>
-<span class="sourceLineNo">213</span> // sequence id, if the table has been deleted already, i.e, we hit TableStateNotFoundException,<a name="line.213"></a>
-<span class="sourceLineNo">214</span> // then we do not need to update last pushed sequence id for this table.<a name="line.214"></a>
-<span class="sourceLineNo">215</span> private boolean needSetLastPushedSequenceId(TableStateManager tsm, TableName tn)<a name="line.215"></a>
-<span class="sourceLineNo">216</span> throws IOException {<a name="line.216"></a>
-<span class="sourceLineNo">217</span> for (;;) {<a name="line.217"></a>
-<span class="sourceLineNo">218</span> try {<a name="line.218"></a>
-<span class="sourceLineNo">219</span> if (!tsm.getTableState(tn).isDisabling()) {<a name="line.219"></a>
-<span class="sourceLineNo">220</span> return true;<a name="line.220"></a>
-<span class="sourceLineNo">221</span> }<a name="line.221"></a>
-<span class="sourceLineNo">222</span> Thread.sleep(SLEEP_INTERVAL_MS);<a name="line.222"></a>
-<span class="sourceLineNo">223</span> } catch (TableStateNotFoundException e) {<a name="line.223"></a>
-<span class="sourceLineNo">224</span> return false;<a name="line.224"></a>
-<span class="sourceLineNo">225</span> } catch (InterruptedException e) {<a name="line.225"></a>
-<span class="sourceLineNo">226</span> throw (IOException) new InterruptedIOException(e.getMessage()).initCause(e);<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> }<a name="line.229"></a>
-<span class="sourceLineNo">230</span><a name="line.230"></a>
-<span class="sourceLineNo">231</span> // Will put the encodedRegionName->lastPushedSeqId pair into the map passed in, if the map is<a name="line.231"></a>
-<span class="sourceLineNo">232</span> // large enough we will call queueStorage.setLastSequenceIds and clear the map. So the caller<a name="line.232"></a>
-<span class="sourceLineNo">233</span> // should not forget to check whether the map is empty at last, if not you should call<a name="line.233"></a>
-<span class="sourceLineNo">234</span> // queueStorage.setLastSequenceIds to write out the remaining entries in the map.<a name="line.234"></a>
-<span class="sourceLineNo">235</span> protected final void setLastPushedSequenceIdForTable(MasterProcedureEnv env, TableName tableName,<a name="line.235"></a>
-<span class="sourceLineNo">236</span> Map<String, Long> lastSeqIds) throws IOException, ReplicationException {<a name="line.236"></a>
-<span class="sourceLineNo">237</span> TableStateManager tsm = env.getMasterServices().getTableStateManager();<a name="line.237"></a>
-<span class="sourceLineNo">238</span> ReplicationQueueStorage queueStorage = env.getReplicationPeerManager().getQueueStorage();<a name="line.238"></a>
-<span class="sourceLineNo">239</span> Connection conn = env.getMasterServices().getConnection();<a name="line.239"></a>
-<span class="sourceLineNo">240</span> if (!needSetLastPushedSequenceId(tsm, tableName)) {<a name="line.240"></a>
-<span class="sourceLineNo">241</span> LOG.debug("Skip settting last pushed sequence id for {}", tableName);<a name="line.241"></a>
-<span class="sourceLineNo">242</span> return;<a name="line.242"></a>
-<span class="sourceLineNo">243</span> }<a name="line.243"></a>
-<span class="sourceLineNo">244</span> for (Pair<String, Long> name2Barrier : MetaTableAccessor<a name="line.244"></a>
-<span class="sourceLineNo">245</span> .getTableEncodedRegionNameAndLastBarrier(conn, tableName)) {<a name="line.245"></a>
-<span class="sourceLineNo">246</span> LOG.trace("Update last pushed sequence id for {}, {}", tableName, name2Barrier);<a name="line.246"></a>
-<span class="sourceLineNo">247</span> addToMap(lastSeqIds, name2Barrier.getFirst(), name2Barrier.getSecond().longValue() - 1,<a name="line.247"></a>
-<span class="sourceLineNo">248</span> queueStorage);<a name="line.248"></a>
-<span class="sourceLineNo">249</span> }<a name="line.249"></a>
-<span class="sourceLineNo">250</span> }<a name="line.250"></a>
-<span class="sourceLineNo">251</span><a name="line.251"></a>
-<span class="sourceLineNo">252</span> @Override<a name="line.252"></a>
-<span class="sourceLineNo">253</span> protected synchronized boolean setTimeoutFailure(MasterProcedureEnv env) {<a name="line.253"></a>
-<span class="sourceLineNo">254</span> setState(ProcedureProtos.ProcedureState.RUNNABLE);<a name="line.254"></a>
-<span class="sourceLineNo">255</span> env.getProcedureScheduler().addFront(this);<a name="line.255"></a>
-<span class="sourceLineNo">256</span> return false;<a name="line.256"></a>
-<span class="sourceLineNo">257</span> }<a name="line.257"></a>
-<span class="sourceLineNo">258</span><a name="line.258"></a>
-<span class="sourceLineNo">259</span> private ProcedureSuspendedException suspend(long backoff) throws ProcedureSuspendedException {<a name="line.259"></a>
-<span class="sourceLineNo">260</span> attemps++;<a name="line.260"></a>
-<span class="sourceLineNo">261</span> setTimeout(Math.toIntExact(backoff));<a name="line.261"></a>
-<span class="sourceLineNo">262</span> setState(ProcedureProtos.ProcedureState.WAITING_TIMEOUT);<a name="line.262"></a>
-<span class="sourceLineNo">263</span> skipPersistence();<a name="line.263"></a>
-<span class="sourceLineNo">264</span> throw new ProcedureSuspendedException();<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> @Override<a name="line.267"></a>
-<span class="sourceLineNo">268</span> protected Flow executeFromState(MasterProcedureEnv env, PeerModificationState state)<a name="line.268"></a>
-<span class="sourceLineNo">269</span> throws ProcedureSuspendedException {<a name="line.269"></a>
-<span class="sourceLineNo">270</span> switch (state) {<a name="line.270"></a>
-<span class="sourceLineNo">271</span> case PRE_PEER_MODIFICATION:<a name="line.271"></a>
-<span class="sourceLineNo">272</span> try {<a name="line.272"></a>
-<span class="sourceLineNo">273</span> prePeerModification(env);<a name="line.273"></a>
-<span class="sourceLineNo">274</span> } catch (IOException e) {<a name="line.274"></a>
-<span class="sourceLineNo">275</span> LOG.warn("{} failed to call pre CP hook or the pre check is failed for peer {}, " +<a name="line.275"></a>
-<span class="sourceLineNo">276</span> "mark the procedure as failure and give up", getClass().getName(), peerId, e);<a name="line.276"></a>
-<span class="sourceLineNo">277</span> setFailure("master-" + getPeerOperationType().name().toLowerCase() + "-peer", e);<a name="line.277"></a>
-<span class="sourceLineNo">278</span> releaseLatch();<a name="line.278"></a>
-<span class="sourceLineNo">279</span> return Flow.NO_MORE_STATE;<a name="line.279"></a>
-<span class="sourceLineNo">280</span> } catch (ReplicationException e) {<a name="line.280"></a>
-<span class="sourceLineNo">281</span> long backoff = ProcedureUtil.getBackoffTimeMs(attemps);<a name="line.281"></a>
-<span class="sourceLineNo">282</span> LOG.warn("{} failed to call prePeerModification for peer {}, sleep {} secs",<a name="line.282"></a>
-<span class="sourceLineNo">283</span> getClass().getName(), peerId, backoff / 1000, e);<a name="line.283"></a>
-<span class="sourceLineNo">284</span> throw suspend(backoff);<a name="line.284"></a>
-<span class="sourceLineNo">285</span> }<a name="line.285"></a>
-<span class="sourceLineNo">286</span> attemps = 0;<a name="line.286"></a>
-<span class="sourceLineNo">287</span> setNextState(PeerModificationState.UPDATE_PEER_STORAGE);<a name="line.287"></a>
-<span class="sourceLineNo">288</span> return Flow.HAS_MORE_STATE;<a name="line.288"></a>
-<span class="sourceLineNo">289</span> case UPDATE_PEER_STORAGE:<a name="line.289"></a>
-<span class="sourceLineNo">290</span> try {<a name="line.290"></a>
-<span class="sourceLineNo">291</span> updatePeerStorage(env);<a name="line.291"></a>
-<span class="sourceLineNo">292</span> } catch (ReplicationException e) {<a name="line.292"></a>
-<span class="sourceLineNo">293</span> long backoff = ProcedureUtil.getBackoffTimeMs(attemps);<a name="line.293"></a>
-<span class="sourceLineNo">294</span> LOG.warn("{} update peer storage for peer {} failed, sleep {} secs", getClass().getName(),<a name="line.294"></a>
-<span class="sourceLineNo">295</span> peerId, backoff / 1000, e);<a name="line.295"></a>
-<span class="sourceLineNo">296</span> throw suspend(backoff);<a name="line.296"></a>
-<span class="sourceLineNo">297</span> }<a name="line.297"></a>
-<span class="sourceLineNo">298</span> attemps = 0;<a name="line.298"></a>
-<span class="sourceLineNo">299</span> setNextState(PeerModificationState.REFRESH_PEER_ON_RS);<a name="line.299"></a>
-<span class="sourceLineNo">300</span> return Flow.HAS_MORE_STATE;<a name="line.300"></a>
-<span class="sourceLineNo">301</span> case REFRESH_PEER_ON_RS:<a name="line.301"></a>
-<span class="sourceLineNo">302</span> refreshPeer(env, getPeerOperationType());<a name="line.302"></a>
-<span class="sourceLineNo">303</span> setNextState(nextStateAfterRefresh());<a name="line.303"></a>
-<span class="sourceLineNo">304</span> return Flow.HAS_MORE_STATE;<a name="line.304"></a>
-<span class="sourceLineNo">305</span> case SERIAL_PEER_REOPEN_REGIONS:<a name="line.305"></a>
-<span class="sourceLineNo">306</span> try {<a name="line.306"></a>
-<span class="sourceLineNo">307</span> reopenRegions(env);<a name="line.307"></a>
-<span class="sourceLineNo">308</span> } catch (Exception e) {<a name="line.308"></a>
-<span class="sourceLineNo">309</span> long backoff = ProcedureUtil.getBackoffTimeMs(attemps);<a name="line.309"></a>
-<span class="sourceLineNo">310</span> LOG.warn("{} reopen regions for peer {} failed, sleep {} secs", getClass().getName(),<a name="line.310"></a>
-<span class="sourceLineNo">311</span> peerId, backoff / 1000, e);<a name="line.311"></a>
-<span class="sourceLineNo">312</span> throw suspend(backoff);<a name="line.312"></a>
-<span class="sourceLineNo">313</span> }<a name="line.313"></a>
-<span class="sourceLineNo">314</span> attemps = 0;<a name="line.314"></a>
-<span class="sourceLineNo">315</span> setNextState(PeerModificationState.SERIAL_PEER_UPDATE_LAST_PUSHED_SEQ_ID);<a name="line.315"></a>
-<span class="sourceLineNo">316</span> return Flow.HAS_MORE_STATE;<a name="line.316"></a>
-<span class="sourceLineNo">317</span> case SERIAL_PEER_UPDATE_LAST_PUSHED_SEQ_ID:<a name="line.317"></a>
-<span class="sourceLineNo">318</span> try {<a name="line.318"></a>
-<span class="sourceLineNo">319</span> updateLastPushedSequenceIdForSerialPeer(env);<a name="line.319"></a>
-<span class="sourceLineNo">320</span> } catch (Exception e) {<a name="line.320"></a>
-<span class="sourceLineNo">321</span> long backoff = ProcedureUtil.getBackoffTimeMs(attemps);<a name="line.321"></a>
-<span class="sourceLineNo">322</span> LOG.warn("{} set last sequence id for peer {} failed, sleep {} secs",<a name="line.322"></a>
-<span class="sourceLineNo">323</span> getClass().getName(), peerId, backoff / 1000, e);<a name="line.323"></a>
-<span class="sourceLineNo">324</span> throw suspend(backoff);<a name="line.324"></a>
-<span class="sourceLineNo">325</span> }<a name="line.325"></a>
-<span class="sourceLineNo">326</span> attemps = 0;<a name="line.326"></a>
-<span class="sourceLineNo">327</span> setNextState(enablePeerBeforeFinish() ? PeerModificationState.SERIAL_PEER_SET_PEER_ENABLED<a name="line.327"></a>
-<span class="sourceLineNo">328</span> : PeerModificationState.POST_PEER_MODIFICATION);<a name="line.328"></a>
-<span class="sourceLineNo">329</span> return Flow.HAS_MORE_STATE;<a name="line.329"></a>
-<span class="sourceLineNo">330</span> case SERIAL_PEER_SET_PEER_ENABLED:<a name="line.330"></a>
-<span class="sourceLineNo">331</span> try {<a name="line.331"></a>
-<span class="sourceLineNo">332</span> enablePeer(env);<a name="line.332"></a>
-<span class="sourceLineNo">333</span> } catch (ReplicationException e) {<a name="line.333"></a>
-<span class="sourceLineNo">334</span> long backoff = ProcedureUtil.getBackoffTimeMs(attemps);<a name="line.334"></a>
-<span class="sourceLineNo">335</span> LOG.warn("{} enable peer before finish for peer {} failed, sleep {} secs",<a name="line.335"></a>
-<span class="sourceLineNo">336</span> getClass().getName(), peerId, backoff / 1000, e);<a name="line.336"></a>
-<span class="sourceLineNo">337</span> throw suspend(backoff);<a name="line.337"></a>
-<span class="sourceLineNo">338</span> }<a name="line.338"></a>
-<span class="sourceLineNo">339</span> attemps = 0;<a name="line.339"></a>
-<span class="sourceLineNo">340</span> setNextState(PeerModificationState.SERIAL_PEER_ENABLE_PEER_REFRESH_PEER_ON_RS);<a name="line.340"></a>
-<span class="sourceLineNo">341</span> return Flow.HAS_MORE_STATE;<a name="line.341"></a>
-<span class="sourceLineNo">342</span> case SERIAL_PEER_ENABLE_PEER_REFRESH_PEER_ON_RS:<a name="line.342"></a>
-<span class="sourceLineNo">343</span> refreshPeer(env, PeerOperationType.ENABLE);<a name="line.343"></a>
-<span class="sourceLineNo">344</span> setNextState(PeerModificationState.POST_PEER_MODIFICATION);<a name="line.344"></a>
-<span class="sourceLineNo">345</span> return Flow.HAS_MORE_STATE;<a name="line.345"></a>
-<span class="sourceLineNo">346</span> case POST_PEER_MODIFICATION:<a name="line.346"></a>
-<span class="sourceLineNo">347</span> try {<a name="line.347"></a>
-<span class="sourceLineNo">348</span> postPeerModification(env);<a name="line.348"></a>
-<span class="sourceLineNo">349</span> } catch (ReplicationException e) {<a name="line.349"></a>
-<span class="sourceLineNo">350</span> long backoff = ProcedureUtil.getBackoffTimeMs(attemps);<a name="line.350"></a>
-<span class="sourceLineNo">351</span> LOG.warn("{} failed to call postPeerModification for peer {}, sleep {} secs",<a name="line.351"></a>
-<span class="sourceLineNo">352</span> getClass().getName(), peerId, backoff / 1000, e);<a name="line.352"></a>
-<span class="sourceLineNo">353</span> throw suspend(backoff);<a name="line.353"></a>
-<span class="sourceLineNo">354</span> } catch (IOException e) {<a name="line.354"></a>
-<span class="sourceLineNo">355</span> LOG.warn("{} failed to call post CP hook for peer {}, " +<a name="line.355"></a>
-<span class="sourceLineNo">356</span> "ignore since the procedure has already done", getClass().getName(), peerId, e);<a name="line.356"></a>
-<span class="sourceLineNo">357</span> }<a name="line.357"></a>
-<span class="sourceLineNo">358</span> releaseLatch();<a name="line.358"></a>
-<span class="sourceLineNo">359</span> return Flow.NO_MORE_STATE;<a name="line.359"></a>
-<span class="sourceLineNo">360</span> default:<a name="line.360"></a>
-<span class="sourceLineNo">361</span> throw new UnsupportedOperationException("unhandled state=" + state);<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> @Override<a name="line.365"></a>
-<span class="sourceLineNo">366</span> protected PeerModificationState getState(int stateId) {<a name="line.366"></a>
-<span class="sourceLineNo">367</span> return PeerModificationState.forNumber(stateId);<a name="line.367"></a>
-<span class="sourceLineNo">368</span> }<a name="line.368"></a>
-<span class="sourceLineNo">369</span><a name="line.369"></a>
-<span class="sourceLineNo">370</span> @Override<a name="line.370"></a>
-<span class="sourceLineNo">371</span> protected int getStateId(PeerModificationState state) {<a name="line.371"></a>
-<span class="sourceLineNo">372</span> return state.getNumber();<a name="line.372"></a>
-<span class="sourceLineNo">373</span> }<a name="line.373"></a>
-<span class="sourceLineNo">374</span><a name="line.374"></a>
-<span class="sourceLineNo">375</span> @Override<a name="line.375"></a>
-<span class="sourceLineNo">376</span> protected PeerModificationState getInitialState() {<a name="line.376"></a>
-<span class="sourceLineNo">377</span> return PeerModificationState.PRE_PEER_MODIFICATION;<a name="line.377"></a>
-<span class="sourceLineNo">378</span> }<a name="line.378"></a>
-<span class="sourceLineNo">379</span>}<a name="line.379"></a>
+<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.replication.ReplicationException;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.replication.ReplicationPeerConfig;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.replication.ReplicationQueueStorage;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.replication.ReplicationUtils;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import org.apache.yetus.audience.InterfaceAudience;<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">044</span><a name="line.44"></a>
+<span class="sourceLineNo">045</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.45"></a>
+<span class="sourceLineNo">046</span><a name="line.46"></a>
+<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.PeerModificationState;<a name="line.47"></a>
+<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos;<a name="line.48"></a>
+<span class="sourceLineNo">049</span><a name="line.49"></a>
+<span class="sourceLineNo">050</span>/**<a name="line.50"></a>
+<span class="sourceLineNo">051</span> * The base class for all replication peer related procedure except sync replication state<a name="line.51"></a>
+<span class="sourceLineNo">052</span> * transition.<a name="line.52"></a>
+<span class="sourceLineNo">053</span> */<a name="line.53"></a>
+<span class="sourceLineNo">054</span>@InterfaceAudience.Private<a name="line.54"></a>
+<span class="sourceLineNo">055</span>public abstract class ModifyPeerProcedure extends AbstractPeerProcedure<PeerModificationState> {<a name="line.55"></a>
+<span class="sourceLineNo">056</span><a name="line.56"></a>
+<span class="sourceLineNo">057</span> private static final Logger LOG = LoggerFactory.getLogger(ModifyPeerProcedure.class);<a name="line.57"></a>
+<span class="sourceLineNo">058</span><a name="line.58"></a>
+<span class="sourceLineNo">059</span> protected static final int UPDATE_LAST_SEQ_ID_BATCH_SIZE = 1000;<a name="line.59"></a>
+<span class="sourceLineNo">060</span><a name="line.60"></a>
+<span class="sourceLineNo">061</span> // The sleep interval when waiting table to be enabled or disabled.<a name="line.61"></a>
+<span class="sourceLineNo">062</span> protected static final int SLEEP_INTERVAL_MS = 1000;<a name="line.62"></a>
+<span class="sourceLineNo">063</span><a name="line.63"></a>
+<span class="sourceLineNo">064</span> private int attemps;<a name="line.64"></a>
+<span class="sourceLineNo">065</span><a name="line.65"></a>
+<span class="sourceLineNo">066</span> protected ModifyPeerProcedure() {<a name="line.66"></a>
+<span class="sourceLineNo">067</span> }<a name="line.67"></a>
+<span class="sourceLineNo">068</span><a name="line.68"></a>
+<span class="sourceLineNo">069</span> protected ModifyPeerProcedure(String peerId) {<a name="line.69"></a>
+<span class="sourceLineNo">070</span> super(peerId);<a name="line.70"></a>
+<span class="sourceLineNo">071</span> }<a name="line.71"></a>
+<span class="sourceLineNo">072</span><a name="line.72"></a>
+<span class="sourceLineNo">073</span> /**<a name="line.73"></a>
+<span class="sourceLineNo">074</span> * Called before we start the actual processing. The implementation should call the pre CP hook,<a name="line.74"></a>
+<span class="sourceLineNo">075</span> * and also the pre-check for the peer modification.<a name="line.75"></a>
+<span class="sourceLineNo">076</span> * <p><a name="line.76"></a>
+<span class="sourceLineNo">077</span> * If an IOException is thrown then we will give up and mark the procedure as failed directly. If<a name="line.77"></a>
+<span class="sourceLineNo">078</span> * all checks passes then the procedure can not be rolled back any more.<a name="line.78"></a>
+<span class="sourceLineNo">079</span> */<a name="line.79"></a>
+<span class="sourceLineNo">080</span> protected abstract void prePeerModification(MasterProcedureEnv env)<a name="line.80"></a>
+<span class="sourceLineNo">081</span> throws IOException, ReplicationException;<a name="line.81"></a>
+<span class="sourceLineNo">082</span><a name="line.82"></a>
+<span class="sourceLineNo">083</span> protected abstract void updatePeerStorage(MasterProcedureEnv env) throws ReplicationException;<a name="line.83"></a>
+<span class="sourceLineNo">084</span><a name="line.84"></a>
+<span class="sourceLineNo">085</span> /**<a name="line.85"></a>
+<span class="sourceLineNo">086</span> * Called before we finish the procedure. The implementation can do some logging work, and also<a name="line.86"></a>
+<span class="sourceLineNo">087</span> * call the coprocessor hook if any.<a name="line.87"></a>
+<span class="sourceLineNo">088</span> * <p><a name="line.88"></a>
+<span class="sourceLineNo">089</span> * Notice that, since we have already done the actual work, throwing {@code IOException} here will<a name="line.89"></a>
+<span class="sourceLineNo">090</span> * not fail this procedure, we will just ignore it and finish the procedure as suceeded. If<a name="line.90"></a>
+<span class="sourceLineNo">091</span> * {@code ReplicationException} is thrown we will retry since this usually means we fails to<a name="line.91"></a>
+<span class="sourceLineNo">092</span> * update the peer storage.<a name="line.92"></a>
+<span class="sourceLineNo">093</span> */<a name="line.93"></a>
+<span class="sourceLineNo">094</span> protected abstract void postPeerModification(MasterProcedureEnv env)<a name="line.94"></a>
+<span class="sourceLineNo">095</span> throws IOException, ReplicationException;<a name="line.95"></a>
+<span class="sourceLineNo">096</span><a name="line.96"></a>
+<span class="sourceLineNo">097</span> private void releaseLatch() {<a name="line.97"></a>
+<span class="sourceLineNo">098</span> ProcedurePrepareLatch.releaseLatch(latch, this);<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> * Implementation class can override this method. By default we will jump to<a name="line.102"></a>
+<span class="sourceLineNo">103</span> * POST_PEER_MODIFICATION and finish the procedure.<a name="line.103"></a>
+<span class="sourceLineNo">104</span> */<a name="line.104"></a>
+<span class="sourceLineNo">105</span> protected PeerModificationState nextStateAfterRefresh() {<a name="line.105"></a>
+<span class="sourceLineNo">106</span> return PeerModificationState.POST_PEER_MODIFICATION;<a name="line.106"></a>
+<span class="sourceLineNo">107</span> }<a name="line.107"></a>
+<span class="sourceLineNo">108</span><a name="line.108"></a>
+<span class="sourceLineNo">109</span> /**<a name="line.109"></a>
+<span class="sourceLineNo">110</span> * The implementation class should override this method if the procedure may enter the serial<a name="line.110"></a>
+<span class="sourceLineNo">111</span> * related states.<a name="line.111"></a>
+<span class="sourceLineNo">112</span> */<a name="line.112"></a>
+<span class="sourceLineNo">113</span> protected boolean enablePeerBeforeFinish() {<a name="line.113"></a>
+<span class="sourceLineNo">114</span> throw new UnsupportedOperationException();<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> protected ReplicationPeerConfig getOldPeerConfig() {<a name="line.117"></a>
+<span class="sourceLineNo">118</span> return null;<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> protected ReplicationPeerConfig getNewPeerConfig() {<a name="line.121"></a>
+<span class="sourceLineNo">122</span> throw new UnsupportedOperationException();<a name="line.122"></a>
+<span class="sourceLineNo">123</span> }<a name="line.123"></a>
+<span class="sourceLineNo">124</span><a name="line.124"></a>
+<span class="sourceLineNo">125</span> protected void updateLastPushedSequenceIdForSerialPeer(MasterProcedureEnv env)<a name="line.125"></a>
+<span class="sourceLineNo">126</span> throws IOException, ReplicationException {<a name="line.126"></a>
+<span class="sourceLineNo">127</span> throw new UnsupportedOperationException();<a name="line.127"></a>
+<span class="sourceLineNo">128</span> }<a name="line.128"></a>
+<span class="sourceLineNo">129</span><a name="line.129"></a>
+<span class="sourceLineNo">130</span> // If the table is in enabling state, we need to wait until it is enabled and then reopen all its<a name="line.130"></a>
+<span class="sourceLineNo">131</span> // regions.<a name="line.131"></a>
+<span class="sourceLineNo">132</span> private boolean needReopen(TableStateManager tsm, TableName tn) throws IOException {<a name="line.132"></a>
+<span class="sourceLineNo">133</span> for (;;) {<a name="line.133"></a>
+<span class="sourceLineNo">134</span> try {<a name="line.134"></a>
+<span class="sourceLineNo">135</span> TableState state = tsm.getTableState(tn);<a name="line.135"></a>
+<span class="sourceLineNo">136</span> if (state.isEnabled()) {<a name="line.136"></a>
+<span class="sourceLineNo">137</span> return true;<a name="line.137"></a>
+<span class="sourceLineNo">138</span> }<a name="line.138"></a>
+<span class="sourceLineNo">139</span> if (!state.isEnabling()) {<a name="line.139"></a>
+<span class="sourceLineNo">140</span> return false;<a name="line.140"></a>
+<span class="sourceLineNo">141</span> }<a name="line.141"></a>
+<span class="sourceLineNo">142</span> Thread.sleep(SLEEP_INTERVAL_MS);<a name="line.142"></a>
+<span class="sourceLineNo">143</span> } catch (TableStateNotFoundException e) {<a name="line.143"></a>
+<span class="sourceLineNo">144</span> return false;<a name="line.144"></a>
+<span class="sourceLineNo">145</span> } catch (InterruptedException e) {<a name="line.145"></a>
+<span class="sourceLineNo">146</span> throw (IOException) new InterruptedIOException(e.getMessage()).initCause(e);<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><a name="line.150"></a>
+<span class="sourceLineNo">151</span> // will be override in test to simulate error<a name="line.151"></a>
+<span class="sourceLineNo">152</span> @VisibleForTesting<a name="line.152"></a>
+<span class="sourceLineNo">153</span> protected void reopenRegions(MasterProcedureEnv env) throws IOException {<a name="line.153"></a>
+<span class="sourceLineNo">154</span> ReplicationPeerConfig peerConfig = getNewPeerConfig();<a name="line.154"></a>
+<span class="sourceLineNo">155</span> ReplicationPeerConfig oldPeerConfig = getOldPeerConfig();<a name="line.155"></a>
+<span class="sourceLineNo">156</span> TableStateManager tsm = env.getMasterServices().getTableStateManager();<a name="line.156"></a>
+<span class="sourceLineNo">157</span> for (TableDescriptor td : env.getMasterServices().getTableDescriptors().getAll().values()) {<a name="line.157"></a>
+<span class="sourceLineNo">158</span> if (!td.hasGlobalReplicationScope()) {<a name="line.158"></a>
+<span class="sourceLineNo">159</span> continue;<a name="line.159"></a>
+<span class="sourceLineNo">160</span> }<a name="line.160"></a>
+<span class="sourceLineNo">161</span> TableName tn = td.getTableName();<a name="line.161"></a>
+<span class="sourceLineNo">162</span> if (!ReplicationUtils.contains(peerConfig, tn)) {<a name="line.162"></a>
+<span class="sourceLineNo">163</span> continue;<a name="line.163"></a>
+<span class="sourceLineNo">164</span> }<a name="line.164"></a>
+<span class="sourceLineNo">165</span> if (oldPeerConfig != null && oldPeerConfig.isSerial() &&<a name="line.165"></a>
+<span class="sourceLineNo">166</span> ReplicationUtils.contains(oldPeerConfig, tn)) {<a name="line.166"></a>
+<span class="sourceLineNo">167</span> continue;<a name="line.167"></a>
+<span class="sourceLineNo">168</span> }<a name="line.168"></a>
+<span class="sourceLineNo">169</span> if (needReopen(tsm, tn)) {<a name="line.169"></a>
+<span class="sourceLineNo">170</span> addChildProcedure(new ReopenTableRegionsProcedure(tn));<a name="line.170"></a>
+<span class="sourceLineNo">171</span> }<a name="line.171"></a>
+<span class="sourceLineNo">172</span> }<a name="line.172"></a>
+<span class="sourceLineNo">173</span> }<a name="line.173"></a>
+<span class="sourceLineNo">174</span><a name="line.174"></a>
+<span class="sourceLineNo">175</span> // will be override in test to simulate error<a name="line.175"></a>
+<span class="sourceLineNo">176</span> @VisibleForTesting<a name="line.176"></a>
+<span class="sourceLineNo">177</span> protected void enablePeer(MasterProcedureEnv env) throws ReplicationException {<a name="line.177"></a>
+<span class="sourceLineNo">178</span> env.getReplicationPeerManager().enablePeer(peerId);<a name="line.178"></a>
+<span class="sourceLineNo">179</span> }<a name="line.179"></a>
+<span class="sourceLineNo">180</span><a name="line.180"></a>
+<span class="sourceLineNo">181</span> private void addToMap(Map<String, Long> lastSeqIds, String encodedRegionName, long barrier,<a name="line.181"></a>
+<span class="sourceLineNo">182</span> ReplicationQueueStorage queueStorage) throws ReplicationException {<a name="line.182"></a>
+<span class="sourceLineNo">183</span> if (barrier >= 0) {<a name="line.183"></a>
+<span class="sourceLineNo">184</span> lastSeqIds.put(encodedRegionName, barrier);<a name="line.184"></a>
+<span class="sourceLineNo">185</span> if (lastSeqIds.size() >= UPDATE_LAST_SEQ_ID_BATCH_SIZE) {<a name="line.185"></a>
+<span class="sourceLineNo">186</span> queueStorage.setLastSequenceIds(peerId, lastSeqIds);<a name="line.186"></a>
+<span class="sourceLineNo">187</span> lastSeqIds.clear();<a name="line.187"></a>
+<span class="sourceLineNo">188</span> }<a name="line.188"></a>
+<span class="sourceLineNo">189</span> }<a name="line.189"></a>
+<span class="sourceLineNo">190</span> }<a name="line.190"></a>
+<span class="sourceLineNo">191</span><a name="line.191"></a>
+<span class="sourceLineNo">192</span> protected final void setLastPushedSequenceId(MasterProcedureEnv env,<a name="line.192"></a>
+<span class="sourceLineNo">193</span> ReplicationPeerConfig peerConfig) throws IOException, ReplicationException {<a name="line.193"></a>
+<span class="sourceLineNo">194</span> Map<String, Long> lastSeqIds = new HashMap<String, Long>();<a name="line.194"></a>
+<span class="sourceLineNo">195</span> for (TableDescriptor td : env.getMasterServices().getTableDescriptors().getAll().values()) {<a name="line.195"></a>
+<span class="sourceLineNo">196</span> if (!td.hasGlobalReplicationScope()) {<a name="line.196"></a>
+<span class="sourceLineNo">197</span> continue;<a name="line.197"></a>
+<span class="sourceLineNo">198</span> }<a name="line.198"></a>
+<span class="sourceLineNo">199</span> TableName tn = td.getTableName();<a name="line.199"></a>
+<span class="sourceLineNo">200</span> if (!ReplicationUtils.contains(peerConfig, tn)) {<a name="line.200"></a>
+<span class="sourceLineNo">201</span> continue;<a name="line.201"></a>
+<span class="sourceLineNo">202</span> }<a name="line.202"></a>
+<span class="sourceLineNo">203</span> setLastPushedSequenceIdForTable(env, tn, lastSeqIds);<a name="line.203"></a>
+<span class="sourceLineNo">204</span> }<a name="line.204"></a>
+<span class="sourceLineNo">205</span> if (!lastSeqIds.isEmpty()) {<a name="line.205"></a>
+<span class="sourceLineNo">206</span> env.getReplicationPeerManager().getQueueStorage().setLastSequenceIds(peerId, lastSeqIds);<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><a name="line.209"></a>
+<span class="sourceLineNo">210</span> // If the table is currently disabling, then we need to wait until it is disabled.We will write<a name="line.210"></a>
+<span class="sourceLineNo">211</span> // replication barrier for a disabled table. And return whether we need to update the last pushed<a name="line.211"></a>
+<span class="sourceLineNo">212</span> // sequence id, if the table has been deleted already, i.e, we hit TableStateNotFoundException,<a name="line.212"></a>
+<span class="sourceLineNo">213</span> // then we do not need to update last pushed sequence id for this table.<a name="line.213"></a>
+<span class="sourceLineNo">214</span> private boolean needSetLastPushedSequenceId(TableStateManager tsm, TableName tn)<a name="line.214"></a>
+<span class="sourceLineNo">215</span> throws IOException {<a name="line.215"></a>
+<span class="sourceLineNo">216</span> for (;;) {<a name="line.216"></a>
+<span class="sourceLineNo">217</span> try {<a name="line.217"></a>
+<span class="sourceLineNo">218</span> if (!tsm.getTableState(tn).isDisabling()) {<a name="line.218"></a>
+<span class="sourceLineNo">219</span> return true;<a name="line.219"></a>
+<span class="sourceLineNo">220</span> }<a name="line.220"></a>
+<span class="sourceLineNo">221</span> Thread.sleep(SLEEP_INTERVAL_MS);<a name="line.221"></a>
+<span class="sourceLineNo">222</span> } catch (TableStateNotFoundException e) {<a name="line.222"></a>
+<span class="sourceLineNo">223</span> return false;<a name="line.223"></a>
+<span class="sourceLineNo">224</span> } catch (InterruptedException e) {<a name="line.224"></a>
+<span class="sourceLineNo">225</span> throw (IOException) new InterruptedIOException(e.getMessage()).initCause(e);<a name="line.225"></a>
+<span class="sourceLineNo">226</span> }<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><a name="line.229"></a>
+<span class="sourceLineNo">230</span> // Will put the encodedRegionName->lastPushedSeqId pair into the map passed in, if the map is<a name="line.230"></a>
+<span class="sourceLineNo">231</span> // large enough we will call queueStorage.setLastSequenceIds and clear the map. So the caller<a name="line.231"></a>
+<span class="sourceLineNo">232</span> // should not forget to check whether the map is empty at last, if not you should call<a name="line.232"></a>
+<span class="sourceLineNo">233</span> // queueStorage.setLastSequenceIds to write out the remaining entries in the map.<a name="line.233"></a>
+<span class="sourceLineNo">234</span> protected final void setLastPushedSequenceIdForTable(MasterProcedureEnv env, TableName tableName,<a name="line.234"></a>
+<span class="sourceLineNo">235</span> Map<String, Long> lastSeqIds) throws IOException, ReplicationException {<a name="line.235"></a>
+<span class="sourceLineNo">236</span> TableStateManager tsm = env.getMasterServices().getTableStateManager();<a name="line.236"></a>
+<span class="sourceLineNo">237</span> ReplicationQueueStorage queueStorage = env.getReplicationPeerManager().getQueueStorage();<a name="line.237"></a>
+<span class="sourceLineNo">238</span> Connection conn = env.getMasterServices().getConnection();<a name="line.238"></a>
+<span class="sourceLineNo">239</span> if (!needSetLastPushedSequenceId(tsm, tableName)) {<a name="line.239"></a>
+<span class="sourceLineNo">240</span> LOG.debug("Skip settting last pushed sequence id for {}", tableName);<a name="line.240"></a>
+<span class="sourceLineNo">241</span> return;<a name="line.241"></a>
+<span class="sourceLineNo">242</span> }<a name="line.242"></a>
+<span class="sourceLineNo">243</span> for (Pair<String, Long> name2Barrier : MetaTableAccessor<a name="line.243"></a>
+<span class="sourceLineNo">244</span> .getTableEncodedRegionNameAndLastBarrier(conn, tableName)) {<a name="line.244"></a>
+<span class="sourceLineNo">245</span> LOG.trace("Update last pushed sequence id for {}, {}", tableName, name2Barrier);<a name="line.245"></a>
+<span class="sourceLineNo">246</span> addToMap(lastSeqIds, name2Barrier.getFirst(), name2Barrier.getSecond().longValue() - 1,<a name="line.246"></a>
+<span class="sourceLineNo">247</span> queueStorage);<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><a name="line.250"></a>
+<span class="sourceLineNo">251</span> @Override<a name="line.251"></a>
+<span class="sourceLineNo">252</span> protected synchronized boolean setTimeoutFailure(MasterProcedureEnv env) {<a name="line.252"></a>
+<span class="sourceLineNo">253</span> setState(ProcedureProtos.ProcedureState.RUNNABLE);<a name="line.253"></a>
+<span class="sourceLineNo">254</span> env.getProcedureScheduler().addFront(this);<a name="line.254"></a>
+<span class="sourceLineNo">255</span> return false;<a name="line.255"></a>
+<span class="sourceLineNo">256</span> }<a name="line.256"></a>
+<span class="sourceLineNo">257</span><a name="line.257"></a>
+<span class="sourceLineNo">258</span> private ProcedureSuspendedException suspend(long backoff) throws ProcedureSuspendedException {<a name="line.258"></a>
+<span class="sourceLineNo">259</span> attemps++;<a name="line.259"></a>
+<span class="sourceLineNo">260</span> setTimeout(Math.toIntExact(backoff));<a name="line.260"></a>
+<span class="sourceLineNo">261</span> setState(ProcedureProtos.ProcedureState.WAITING_TIMEOUT);<a name="line.261"></a>
+<span class="sourceLineNo">262</span> skipPersistence();<a name="line.262"></a>
+<span class="sourceLineNo">263</span> throw new ProcedureSuspendedException();<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> @Override<a name="line.266"></a>
+<span class="sourceLineNo">267</span> protected Flow executeFromState(MasterProcedureEnv env, PeerModificationState state)<a name="line.267"></a>
+<span class="sourceLineNo">268</span> throws ProcedureSuspendedException {<a name="line.268"></a>
+<span class="sourceLineNo">269</span> switch (state) {<a name="line.269"></a>
+<span class="sourceLineNo">270</span> case PRE_PEER_MODIFICATION:<a name="line.270"></a>
+<span class="sourceLineNo">271</span> try {<a name="line.271"></a>
+<span class="sourceLineNo">272</span> prePeerModification(env);<a name="line.272"></a>
+<span class="sourceLineNo">273</span> } catch (IOException e) {<a name="line.273"></a>
+<span class="sourceLineNo">274</span> LOG.warn("{} failed to call pre CP hook or the pre check is failed for peer {}, " +<a name="line.274"></a>
+<span class="sourceLineNo">275</span> "mark the procedure as failure and give up", getClass().getName(), peerId, e);<a name="line.275"></a>
+<span class="sourceLineNo">276</span> setFailure("master-" + getPeerOperationType().name().toLowerCase() + "-peer", e);<a name="line.276"></a>
+<span class="sourceLineNo">277</span> releaseLatch();<a name="line.277"></a>
+<span class="sourceLineNo">278</span> return Flow.NO_MORE_STATE;<a name="line.278"></a>
+<span class="sourceLineNo">279</span> } catch (ReplicationException e) {<a name="line.279"></a>
+<span class="sourceLineNo">280</span> long backoff = ProcedureUtil.getBackoffTimeMs(attemps);<a name="line.280"></a>
+<span class="sourceLineNo">281</span> LOG.warn("{} failed to call prePeerModification for peer {}, sleep {} secs",<a name="line.281"></a>
+<span class="sourceLineNo">282</span> getClass().getName(), peerId, backoff / 1000, e);<a name="line.282"></a>
+<span class="sourceLineNo">283</span> throw suspend(backoff);<a name="line.283"></a>
+<span class="sourceLineNo">284</span> }<a name="line.284"></a>
+<span class="sourceLineNo">285</span> attemps = 0;<a name="line.285"></a>
+<span class="sourceLineNo">286</span> setNextState(PeerModificationState.UPDATE_PEER_STORAGE);<a name="line.286"></a>
+<span class="sourceLineNo">287</span> return Flow.HAS_MORE_STATE;<a name="line.287"></a>
+<span class="sourceLineNo">288</span> case UPDATE_PEER_STORAGE:<a name="line.288"></a>
+<span class="sourceLineNo">289</span> try {<a name="line.289"></a>
+<span class="sourceLineNo">290</span> updatePeerStorage(env);<a name="line.290"></a>
+<span class="sourceLineNo">291</span> } catch (ReplicationException e) {<a name="line.291"></a>
+<span class="sourceLineNo">292</span> long backoff = ProcedureUtil.getBackoffTimeMs(attemps);<a name="line.292"></a>
+<span class="sourceLineNo">293</span> LOG.warn("{} update peer storage for peer {} failed, sleep {} secs", getClass().getName(),<a name="line.293"></a>
+<span class="sourceLineNo">294</span> peerId, backoff / 1000, e);<a name="line.294"></a>
+<span class="sourceLineNo">295</span> throw suspend(backoff);<a name="line.295"></a>
+<span class="sourceLineNo">296</span> }<a name="line.296"></a>
+<span class="sourceLineNo">297</span> attemps = 0;<a name="line.297"></a>
+<span class="sourceLineNo">298</span> setNextState(PeerModificationState.REFRESH_PEER_ON_RS);<a name="line.298"></a>
+<span class="sourceLineNo">299</span> return Flow.HAS_MORE_STATE;<a name="line.299"></a>
+<span class="sourceLineNo">300</span> case REFRESH_PEER_ON_RS:<a name="line.300"></a>
+<span class="sourceLineNo">301</span> refreshPeer(env, getPeerOperationType());<a name="line.301"></a>
+<span class="sourceLineNo">302</span> setNextState(nextStateAfterRefresh());<a name="line.302"></a>
+<span class="sourceLineNo">303</span> return Flow.HAS_MORE_STATE;<a name="line.303"></a>
+<span class="sourceLineNo">304</span> case SERIAL_PEER_REOPEN_REGIONS:<a name="line.304"></a>
+<span class="sourceLineNo">305</span> try {<a name="line.305"></a>
+<span class="sourceLineNo">306</span> reopenRegions(env);<a name="line.306"></a>
+<span class="sourceLineNo">307</span> } catch (Exception e) {<a name="line.307"></a>
+<span class="sourceLineNo">308</span> long backoff = ProcedureUtil.getBackoffTimeMs(attemps);<a name="line.308"></a>
+<span class="sourceLineNo">309</span> LOG.warn("{} reopen regions for peer {} failed, sleep {} secs", getClass().getName(),<a name="line.309"></a>
+<span class="sourceLineNo">310</span> peerId, backoff / 1000, e);<a name="line.310"></a>
+<span class="sourceLineNo">311</span> throw suspend(backoff);<a name="line.311"></a>
+<span class="sourceLineNo">312</span> }<a name="line.312"></a>
+<span class="sourceLineNo">313</span> attemps = 0;<a name="line.313"></a>
+<span class="sourceLineNo">314</span> setNextState(PeerModificationState.SERIAL_PEER_UPDATE_LAST_PUSHED_SEQ_ID);<a name="line.314"></a>
+<span class="sourceLineNo">315</span> return Flow.HAS_MORE_STATE;<a name="line.315"></a>
+<span class="sourceLineNo">316</span> case SERIAL_PEER_UPDATE_LAST_PUSHED_SEQ_ID:<a name="line.316"></a>
+<span class="sourceLineNo">317</span> try {<a name="line.317"></a>
+<span class="sourceLineNo">318</span> updateLastPushedSequenceIdForSerialPeer(env);<a name="line.318"></a>
+<span class="sourceLineNo">319</span> } catch (Exception e) {<a name="line.319"></a>
+<span class="sourceLineNo">320</span> long backoff = ProcedureUtil.getBackoffTimeMs(attemps);<a name="line.320"></a>
+<span class="sourceLineNo">321</span> LOG.warn("{} set last sequence id for peer {} failed, sleep {} secs",<a name="line.321"></a>
+<span class="sourceLineNo">322</span> getClass().getName(), peerId, backoff / 1000, e);<a name="line.322"></a>
+<span class="sourceLineNo">323</span> throw suspend(backoff);<a name="line.323"></a>
+<span class="sourceLineNo">324</span> }<a name="line.324"></a>
+<span class="sourceLineNo">325</span> attemps = 0;<a name="line.325"></a>
+<span class="sourceLineNo">326</span> setNextState(enablePeerBeforeFinish() ? PeerModificationState.SERIAL_PEER_SET_PEER_ENABLED<a name="line.326"></a>
+<span class="sourceLineNo">327</span> : PeerModificationState.POST_PEER_MODIFICATION);<a name="line.327"></a>
+<span class="sourceLineNo">328</span> return Flow.HAS_MORE_STATE;<a name="line.328"></a>
+<span class="sourceLineNo">329</span> case SERIAL_PEER_SET_PEER_ENABLED:<a name="line.329"></a>
+<span class="sourceLineNo">330</span> try {<a name="line.330"></a>
+<span class="sourceLineNo">331</span> enablePeer(env);<a name="line.331"></a>
+<span class="sourceLineNo">332</span> } catch (ReplicationException e) {<a name="line.332"></a>
+<span class="sourceLineNo">333</span> long backoff = ProcedureUtil.getBackoffTimeMs(attemps);<a name="line.333"></a>
+<span class="sourceLineNo">334</span> LOG.warn("{} enable peer before finish for peer {} failed, sleep {} secs",<a name="line.334"></a>
+<span class="sourceLineNo">335</span> getClass().getName(), peerId, backoff / 1000, e);<a name="line.335"></a>
+<span class="sourceLineNo">336</span> throw suspend(backoff);<a name="line.336"></a>
+<span class="sourceLineNo">337</span> }<a name="line.337"></a>
+<span class="sourceLineNo">338</span> attemps = 0;<a name="line.338"></a>
+<span class="sourceLineNo">339</span> setNextState(PeerModificationState.SERIAL_PEER_ENABLE_PEER_REFRESH_PEER_ON_RS);<a name="line.339"></a>
+<span class="sourceLineNo">340</span> return Flow.HAS_MORE_STATE;<a name="line.340"></a>
+<span class="sourceLineNo">341</span> case SERIAL_PEER_ENABLE_PEER_REFRESH_PEER_ON_RS:<a name="line.341"></a>
+<span class="sourceLineNo">342</span> refreshPeer(env, PeerOperationType.ENABLE);<a name="line.342"></a>
+<span class="sourceLineNo">343</span> setNextState(PeerModificationState.POST_PEER_MODIFICATION);<a name="line.343"></a>
+<span class="sourceLineNo">344</span> return Flow.HAS_MORE_STATE;<a name="line.344"></a>
+<span class="sourceLineNo">345</span> case POST_PEER_MODIFICATION:<a name="line.345"></a>
+<span class="sourceLineNo">346</span> try {<a name="line.346"></a>
+<span class="sourceLineNo">347</span> postPeerModification(env);<a name="line.347"></a>
+<span class="sourceLineNo">348</span> } catch (ReplicationException e) {<a name="line.348"></a>
+<span class="sourceLineNo">349</span> long backoff = ProcedureUtil.getBackoffTimeMs(attemps);<a name="line.349"></a>
+<span class="sourceLineNo">350</span> LOG.warn("{} failed to call postPeerModification for peer {}, sleep {} secs",<a name="line.350"></a>
+<span class="sourceLineNo">351</span> getClass().getName(), peerId, backoff / 1000, e);<a name="line.351"></a>
+<span class="sourceLineNo">352</span> throw suspend(backoff);<a name="line.352"></a>
+<span class="sourceLineNo">353</span> } catch (IOException e) {<a name="line.353"></a>
+<span class="sourceLineNo">354</span> LOG.warn("{} failed to call post CP hook for peer {}, " +<a name="line.354"></a>
+<span class="sourceLineNo">355</span> "ignore since the procedure has already done", getClass().getName(), peerId, e);<a name="line.355"></a>
+<span class="sourceLineNo">356</span> }<a name="line.356"></a>
+<span class="sourceLineNo">357</span> releaseLatch();<a name="line.357"></a>
+<span class="sourceLineNo">358</span> return Flow.NO_MORE_STATE;<a name="line.358"></a>
+<span class="sourceLineNo">359</span> default:<a name="line.359"></a>
+<span class="sourceLineNo">360</span> throw new UnsupportedOperationException("unhandled state=" + state);<a name="line.360"></a>
+<span class="sourceLineNo">361</span> }<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> @Override<a name="line.364"></a>
+<span class="sourceLineNo">365</span> protected PeerModificationState getState(int stateId) {<a name="line.365"></a>
+<span class="sourceLineNo">366</span> return PeerModificationState.forNumber(stateId);<a name="line.366"></a>
+<span class="sourceLineNo">367</span> }<a name="line.367"></a>
+<span class="sourceLineNo">368</span><a name="line.368"></a>
+<span class="sourceLineNo">369</span> @Override<a name="line.369"></a>
+<span class="sourceLineNo">370</span> protected int getStateId(PeerModificationState state) {<a name="line.370"></a>
+<span class="sourceLineNo">371</span> return state.getNumber();<a name="line.371"></a>
+<span class="sourceLineNo">372</span> }<a name="line.372"></a>
+<span class="sourceLineNo">373</span><a name="line.373"></a>
+<span class="sourceLineNo">374</span> @Override<a name="line.374"></a>
+<span class="sourceLineNo">375</span> protected PeerModificationState getInitialState() {<a name="line.375"></a>
+<span class="sourceLineNo">376</span> return PeerModificationState.PRE_PEER_MODIFICATION;<a name="line.376"></a>
+<span class="sourceLineNo">377</span> }<a name="line.377"></a>
+<span class="sourceLineNo">378</span>}<a name="line.378"></a>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/83fd16f2/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/FlushRequester.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/FlushRequester.html b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/FlushRequester.html
index b9f440e..3daa03f 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/FlushRequester.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/FlushRequester.html
@@ -40,41 +40,43 @@
<span class="sourceLineNo">032</span> * @param region the Region requesting the cache flush<a name="line.32"></a>
<span class="sourceLineNo">033</span> * @param forceFlushAllStores whether we want to flush all stores. e.g., when request from log<a name="line.33"></a>
<span class="sourceLineNo">034</span> * rolling.<a name="line.34"></a>
-<span class="sourceLineNo">035</span> */<a name="line.35"></a>
-<span class="sourceLineNo">036</span> void requestFlush(HRegion region, boolean forceFlushAllStores, FlushLifeCycleTracker tracker);<a name="line.36"></a>
-<span class="sourceLineNo">037</span><a name="line.37"></a>
-<span class="sourceLineNo">038</span> /**<a name="line.38"></a>
-<span class="sourceLineNo">039</span> * Tell the listener the cache needs to be flushed after a delay<a name="line.39"></a>
-<span class="sourceLineNo">040</span> *<a name="line.40"></a>
-<span class="sourceLineNo">041</span> * @param region the Region requesting the cache flush<a name="line.41"></a>
-<span class="sourceLineNo">042</span> * @param delay after how much time should the flush happen<a name="line.42"></a>
-<span class="sourceLineNo">043</span> * @param forceFlushAllStores whether we want to flush all stores. e.g., when request from log<a name="line.43"></a>
-<span class="sourceLineNo">044</span> * rolling.<a name="line.44"></a>
-<span class="sourceLineNo">045</span> */<a name="line.45"></a>
-<span class="sourceLineNo">046</span> void requestDelayedFlush(HRegion region, long delay, boolean forceFlushAllStores);<a name="line.46"></a>
-<span class="sourceLineNo">047</span><a name="line.47"></a>
-<span class="sourceLineNo">048</span> /**<a name="line.48"></a>
-<span class="sourceLineNo">049</span> * Register a FlushRequestListener<a name="line.49"></a>
-<span class="sourceLineNo">050</span> *<a name="line.50"></a>
-<span class="sourceLineNo">051</span> * @param listener<a name="line.51"></a>
-<span class="sourceLineNo">052</span> */<a name="line.52"></a>
-<span class="sourceLineNo">053</span> void registerFlushRequestListener(final FlushRequestListener listener);<a name="line.53"></a>
-<span class="sourceLineNo">054</span><a name="line.54"></a>
-<span class="sourceLineNo">055</span> /**<a name="line.55"></a>
-<span class="sourceLineNo">056</span> * Unregister the given FlushRequestListener<a name="line.56"></a>
-<span class="sourceLineNo">057</span> *<a name="line.57"></a>
-<span class="sourceLineNo">058</span> * @param listener<a name="line.58"></a>
-<span class="sourceLineNo">059</span> * @return true when passed listener is unregistered successfully.<a name="line.59"></a>
-<span class="sourceLineNo">060</span> */<a name="line.60"></a>
-<span class="sourceLineNo">061</span> public boolean unregisterFlushRequestListener(final FlushRequestListener listener);<a name="line.61"></a>
-<span class="sourceLineNo">062</span><a name="line.62"></a>
-<span class="sourceLineNo">063</span> /**<a name="line.63"></a>
-<span class="sourceLineNo">064</span> * Sets the global memstore limit to a new size.<a name="line.64"></a>
-<span class="sourceLineNo">065</span> *<a name="line.65"></a>
-<span class="sourceLineNo">066</span> * @param globalMemStoreSize<a name="line.66"></a>
-<span class="sourceLineNo">067</span> */<a name="line.67"></a>
-<span class="sourceLineNo">068</span> public void setGlobalMemStoreLimit(long globalMemStoreSize);<a name="line.68"></a>
-<span class="sourceLineNo">069</span>}<a name="line.69"></a>
+<span class="sourceLineNo">035</span> * @return true if our region is added into the queue, false otherwise<a name="line.35"></a>
+<span class="sourceLineNo">036</span> */<a name="line.36"></a>
+<span class="sourceLineNo">037</span> boolean requestFlush(HRegion region, boolean forceFlushAllStores, FlushLifeCycleTracker tracker);<a name="line.37"></a>
+<span class="sourceLineNo">038</span><a name="line.38"></a>
+<span class="sourceLineNo">039</span> /**<a name="line.39"></a>
+<span class="sourceLineNo">040</span> * Tell the listener the cache needs to be flushed after a delay<a name="line.40"></a>
+<span class="sourceLineNo">041</span> *<a name="line.41"></a>
+<span class="sourceLineNo">042</span> * @param region the Region requesting the cache flush<a name="line.42"></a>
+<span class="sourceLineNo">043</span> * @param delay after how much time should the flush happen<a name="line.43"></a>
+<span class="sourceLineNo">044</span> * @param forceFlushAllStores whether we want to flush all stores. e.g., when request from log<a name="line.44"></a>
+<span class="sourceLineNo">045</span> * rolling.<a name="line.45"></a>
+<span class="sourceLineNo">046</span> * @return true if our region is added into the queue, false otherwise<a name="line.46"></a>
+<span class="sourceLineNo">047</span> */<a name="line.47"></a>
+<span class="sourceLineNo">048</span> boolean requestDelayedFlush(HRegion region, long delay, boolean forceFlushAllStores);<a name="line.48"></a>
+<span class="sourceLineNo">049</span><a name="line.49"></a>
+<span class="sourceLineNo">050</span> /**<a name="line.50"></a>
+<span class="sourceLineNo">051</span> * Register a FlushRequestListener<a name="line.51"></a>
+<span class="sourceLineNo">052</span> *<a name="line.52"></a>
+<span class="sourceLineNo">053</span> * @param listener<a name="line.53"></a>
+<span class="sourceLineNo">054</span> */<a name="line.54"></a>
+<span class="sourceLineNo">055</span> void registerFlushRequestListener(final FlushRequestListener listener);<a name="line.55"></a>
+<span class="sourceLineNo">056</span><a name="line.56"></a>
+<span class="sourceLineNo">057</span> /**<a name="line.57"></a>
+<span class="sourceLineNo">058</span> * Unregister the given FlushRequestListener<a name="line.58"></a>
+<span class="sourceLineNo">059</span> *<a name="line.59"></a>
+<span class="sourceLineNo">060</span> * @param listener<a name="line.60"></a>
+<span class="sourceLineNo">061</span> * @return true when passed listener is unregistered successfully.<a name="line.61"></a>
+<span class="sourceLineNo">062</span> */<a name="line.62"></a>
+<span class="sourceLineNo">063</span> public boolean unregisterFlushRequestListener(final FlushRequestListener listener);<a name="line.63"></a>
+<span class="sourceLineNo">064</span><a name="line.64"></a>
+<span class="sourceLineNo">065</span> /**<a name="line.65"></a>
+<span class="sourceLineNo">066</span> * Sets the global memstore limit to a new size.<a name="line.66"></a>
+<span class="sourceLineNo">067</span> *<a name="line.67"></a>
+<span class="sourceLineNo">068</span> * @param globalMemStoreSize<a name="line.68"></a>
+<span class="sourceLineNo">069</span> */<a name="line.69"></a>
+<span class="sourceLineNo">070</span> public void setGlobalMemStoreLimit(long globalMemStoreSize);<a name="line.70"></a>
+<span class="sourceLineNo">071</span>}<a name="line.71"></a>