http://git-wip-us.apache.org/repos/asf/hbase-site/blob/b9722a17/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStateStore.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStateStore.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStateStore.html index 84e9e52..252bcc2 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStateStore.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStateStore.html @@ -56,290 +56,293 @@ <span class="sourceLineNo">048</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.48"></a> <span class="sourceLineNo">049</span>import org.apache.zookeeper.KeeperException;<a name="line.49"></a> <span class="sourceLineNo">050</span><a name="line.50"></a> -<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.shaded.com.google.common.base.Preconditions;<a name="line.51"></a> -<span class="sourceLineNo">052</span><a name="line.52"></a> -<span class="sourceLineNo">053</span>/**<a name="line.53"></a> -<span class="sourceLineNo">054</span> * Store Region State to hbase:meta table.<a name="line.54"></a> -<span class="sourceLineNo">055</span> */<a name="line.55"></a> -<span class="sourceLineNo">056</span>@InterfaceAudience.Private<a name="line.56"></a> -<span class="sourceLineNo">057</span>public class RegionStateStore {<a name="line.57"></a> -<span class="sourceLineNo">058</span> private static final Log LOG = LogFactory.getLog(RegionStateStore.class);<a name="line.58"></a> -<span class="sourceLineNo">059</span><a name="line.59"></a> -<span class="sourceLineNo">060</span> /** The delimiter for meta columns for replicaIds &gt; 0 */<a name="line.60"></a> -<span class="sourceLineNo">061</span> protected static final char META_REPLICA_ID_DELIMITER = '_';<a name="line.61"></a> -<span class="sourceLineNo">062</span><a name="line.62"></a> -<span class="sourceLineNo">063</span> private final MasterServices master;<a name="line.63"></a> -<span class="sourceLineNo">064</span><a name="line.64"></a> -<span class="sourceLineNo">065</span> private MultiHConnection multiHConnection;<a name="line.65"></a> -<span class="sourceLineNo">066</span><a name="line.66"></a> -<span class="sourceLineNo">067</span> public RegionStateStore(final MasterServices master) {<a name="line.67"></a> -<span class="sourceLineNo">068</span> this.master = master;<a name="line.68"></a> -<span class="sourceLineNo">069</span> }<a name="line.69"></a> -<span class="sourceLineNo">070</span><a name="line.70"></a> -<span class="sourceLineNo">071</span> public void start() throws IOException {<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> public void stop() {<a name="line.74"></a> -<span class="sourceLineNo">075</span> if (multiHConnection != null) {<a name="line.75"></a> -<span class="sourceLineNo">076</span> multiHConnection.close();<a name="line.76"></a> -<span class="sourceLineNo">077</span> multiHConnection = null;<a name="line.77"></a> -<span class="sourceLineNo">078</span> }<a name="line.78"></a> -<span class="sourceLineNo">079</span> }<a name="line.79"></a> -<span class="sourceLineNo">080</span><a name="line.80"></a> -<span class="sourceLineNo">081</span> public interface RegionStateVisitor {<a name="line.81"></a> -<span class="sourceLineNo">082</span> void visitRegionState(RegionInfo regionInfo, State state,<a name="line.82"></a> -<span class="sourceLineNo">083</span> ServerName regionLocation, ServerName lastHost, long openSeqNum);<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> public void visitMeta(final RegionStateVisitor visitor) throws IOException {<a name="line.86"></a> -<span class="sourceLineNo">087</span> MetaTableAccessor.fullScanRegions(master.getConnection(), new MetaTableAccessor.Visitor() {<a name="line.87"></a> -<span class="sourceLineNo">088</span> final boolean isDebugEnabled = LOG.isDebugEnabled();<a name="line.88"></a> -<span class="sourceLineNo">089</span><a name="line.89"></a> -<span class="sourceLineNo">090</span> @Override<a name="line.90"></a> -<span class="sourceLineNo">091</span> public boolean visit(final Result r) throws IOException {<a name="line.91"></a> -<span class="sourceLineNo">092</span> if (r != null && !r.isEmpty()) {<a name="line.92"></a> -<span class="sourceLineNo">093</span> long st = 0;<a name="line.93"></a> -<span class="sourceLineNo">094</span> if (LOG.isTraceEnabled()) {<a name="line.94"></a> -<span class="sourceLineNo">095</span> st = System.currentTimeMillis();<a name="line.95"></a> -<span class="sourceLineNo">096</span> }<a name="line.96"></a> -<span class="sourceLineNo">097</span> visitMetaEntry(visitor, r);<a name="line.97"></a> -<span class="sourceLineNo">098</span> if (LOG.isTraceEnabled()) {<a name="line.98"></a> -<span class="sourceLineNo">099</span> long et = System.currentTimeMillis();<a name="line.99"></a> -<span class="sourceLineNo">100</span> LOG.trace("[T] LOAD META PERF " + StringUtils.humanTimeDiff(et - st));<a name="line.100"></a> -<span class="sourceLineNo">101</span> }<a name="line.101"></a> -<span class="sourceLineNo">102</span> } else if (isDebugEnabled) {<a name="line.102"></a> -<span class="sourceLineNo">103</span> LOG.debug("NULL result from meta - ignoring but this is strange.");<a name="line.103"></a> -<span class="sourceLineNo">104</span> }<a name="line.104"></a> -<span class="sourceLineNo">105</span> return true;<a name="line.105"></a> -<span class="sourceLineNo">106</span> }<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> private void visitMetaEntry(final RegionStateVisitor visitor, final Result result)<a name="line.110"></a> -<span class="sourceLineNo">111</span> throws IOException {<a name="line.111"></a> -<span class="sourceLineNo">112</span> final RegionLocations rl = MetaTableAccessor.getRegionLocations(result);<a name="line.112"></a> -<span class="sourceLineNo">113</span> if (rl == null) return;<a name="line.113"></a> -<span class="sourceLineNo">114</span><a name="line.114"></a> -<span class="sourceLineNo">115</span> final HRegionLocation[] locations = rl.getRegionLocations();<a name="line.115"></a> -<span class="sourceLineNo">116</span> if (locations == null) return;<a name="line.116"></a> -<span class="sourceLineNo">117</span><a name="line.117"></a> -<span class="sourceLineNo">118</span> for (int i = 0; i < locations.length; ++i) {<a name="line.118"></a> -<span class="sourceLineNo">119</span> final HRegionLocation hrl = locations[i];<a name="line.119"></a> -<span class="sourceLineNo">120</span> if (hrl == null) continue;<a name="line.120"></a> -<span class="sourceLineNo">121</span><a name="line.121"></a> -<span class="sourceLineNo">122</span> final RegionInfo regionInfo = hrl.getRegionInfo();<a name="line.122"></a> -<span class="sourceLineNo">123</span> if (regionInfo == null) continue;<a name="line.123"></a> -<span class="sourceLineNo">124</span><a name="line.124"></a> -<span class="sourceLineNo">125</span> final int replicaId = regionInfo.getReplicaId();<a name="line.125"></a> -<span class="sourceLineNo">126</span> final State state = getRegionState(result, replicaId);<a name="line.126"></a> -<span class="sourceLineNo">127</span><a name="line.127"></a> -<span class="sourceLineNo">128</span> final ServerName lastHost = hrl.getServerName();<a name="line.128"></a> -<span class="sourceLineNo">129</span> final ServerName regionLocation = getRegionServer(result, replicaId);<a name="line.129"></a> -<span class="sourceLineNo">130</span> final long openSeqNum = -1;<a name="line.130"></a> -<span class="sourceLineNo">131</span><a name="line.131"></a> -<span class="sourceLineNo">132</span> // TODO: move under trace, now is visible for debugging<a name="line.132"></a> -<span class="sourceLineNo">133</span> LOG.info(String.format("Load hbase:meta entry region=%s regionState=%s lastHost=%s regionLocation=%s",<a name="line.133"></a> -<span class="sourceLineNo">134</span> regionInfo, state, lastHost, regionLocation));<a name="line.134"></a> -<span class="sourceLineNo">135</span><a name="line.135"></a> -<span class="sourceLineNo">136</span> visitor.visitRegionState(regionInfo, state, regionLocation, lastHost, openSeqNum);<a name="line.136"></a> -<span class="sourceLineNo">137</span> }<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> public void updateRegionLocation(final RegionInfo regionInfo, final State state,<a name="line.140"></a> -<span class="sourceLineNo">141</span> final ServerName regionLocation, final ServerName lastHost, final long openSeqNum,<a name="line.141"></a> -<span class="sourceLineNo">142</span> final long pid)<a name="line.142"></a> -<span class="sourceLineNo">143</span> throws IOException {<a name="line.143"></a> -<span class="sourceLineNo">144</span> if (regionInfo.isMetaRegion()) {<a name="line.144"></a> -<span class="sourceLineNo">145</span> updateMetaLocation(regionInfo, regionLocation);<a name="line.145"></a> -<span class="sourceLineNo">146</span> } else {<a name="line.146"></a> -<span class="sourceLineNo">147</span> updateUserRegionLocation(regionInfo, state, regionLocation, lastHost, openSeqNum, pid);<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> public void updateRegionState(final long openSeqNum, final long pid,<a name="line.151"></a> -<span class="sourceLineNo">152</span> final RegionState newState, final RegionState oldState) throws IOException {<a name="line.152"></a> -<span class="sourceLineNo">153</span> updateRegionLocation(newState.getRegion(), newState.getState(), newState.getServerName(),<a name="line.153"></a> -<span class="sourceLineNo">154</span> oldState != null ? oldState.getServerName() : null, openSeqNum, pid);<a name="line.154"></a> -<span class="sourceLineNo">155</span> }<a name="line.155"></a> -<span class="sourceLineNo">156</span><a name="line.156"></a> -<span class="sourceLineNo">157</span> protected void updateMetaLocation(final RegionInfo regionInfo, final ServerName serverName)<a name="line.157"></a> -<span class="sourceLineNo">158</span> throws IOException {<a name="line.158"></a> -<span class="sourceLineNo">159</span> try {<a name="line.159"></a> -<span class="sourceLineNo">160</span> MetaTableLocator.setMetaLocation(master.getZooKeeper(), serverName,<a name="line.160"></a> -<span class="sourceLineNo">161</span> regionInfo.getReplicaId(), State.OPEN);<a name="line.161"></a> -<span class="sourceLineNo">162</span> } catch (KeeperException e) {<a name="line.162"></a> -<span class="sourceLineNo">163</span> throw new IOException(e);<a name="line.163"></a> -<span class="sourceLineNo">164</span> }<a name="line.164"></a> -<span class="sourceLineNo">165</span> }<a name="line.165"></a> -<span class="sourceLineNo">166</span><a name="line.166"></a> -<span class="sourceLineNo">167</span> protected void updateUserRegionLocation(final RegionInfo regionInfo, final State state,<a name="line.167"></a> -<span class="sourceLineNo">168</span> final ServerName regionLocation, final ServerName lastHost, final long openSeqNum,<a name="line.168"></a> -<span class="sourceLineNo">169</span> final long pid)<a name="line.169"></a> -<span class="sourceLineNo">170</span> throws IOException {<a name="line.170"></a> -<span class="sourceLineNo">171</span> final int replicaId = regionInfo.getReplicaId();<a name="line.171"></a> -<span class="sourceLineNo">172</span> final Put put = new Put(MetaTableAccessor.getMetaKeyForRegion(regionInfo));<a name="line.172"></a> -<span class="sourceLineNo">173</span> MetaTableAccessor.addRegionInfo(put, regionInfo);<a name="line.173"></a> -<span class="sourceLineNo">174</span> final StringBuilder info = new StringBuilder("pid=" + pid + " updating hbase:meta row=");<a name="line.174"></a> -<span class="sourceLineNo">175</span> info.append(regionInfo.getRegionNameAsString()).append(", regionState=").append(state);<a name="line.175"></a> -<span class="sourceLineNo">176</span> if (openSeqNum >= 0) {<a name="line.176"></a> -<span class="sourceLineNo">177</span> Preconditions.checkArgument(state == State.OPEN && regionLocation != null,<a name="line.177"></a> -<span class="sourceLineNo">178</span> "Open region should be on a server");<a name="line.178"></a> -<span class="sourceLineNo">179</span> MetaTableAccessor.addLocation(put, regionLocation, openSeqNum, -1, replicaId);<a name="line.179"></a> -<span class="sourceLineNo">180</span> info.append(", openSeqNum=").append(openSeqNum);<a name="line.180"></a> -<span class="sourceLineNo">181</span> info.append(", regionLocation=").append(regionLocation);<a name="line.181"></a> -<span class="sourceLineNo">182</span> } else if (regionLocation != null && !regionLocation.equals(lastHost)) {<a name="line.182"></a> -<span class="sourceLineNo">183</span> // Ideally, if no regionLocation, write null to the hbase:meta but this will confuse clients<a name="line.183"></a> -<span class="sourceLineNo">184</span> // currently; they want a server to hit. TODO: Make clients wait if no location.<a name="line.184"></a> -<span class="sourceLineNo">185</span> put.addImmutable(HConstants.CATALOG_FAMILY, getServerNameColumn(replicaId),<a name="line.185"></a> -<span class="sourceLineNo">186</span> Bytes.toBytes(regionLocation.getServerName()));<a name="line.186"></a> -<span class="sourceLineNo">187</span> info.append(", regionLocation=").append(regionLocation);<a name="line.187"></a> -<span class="sourceLineNo">188</span> }<a name="line.188"></a> -<span class="sourceLineNo">189</span> put.addImmutable(HConstants.CATALOG_FAMILY, getStateColumn(replicaId),<a name="line.189"></a> -<span class="sourceLineNo">190</span> Bytes.toBytes(state.name()));<a name="line.190"></a> -<span class="sourceLineNo">191</span> LOG.info(info);<a name="line.191"></a> -<span class="sourceLineNo">192</span><a name="line.192"></a> -<span class="sourceLineNo">193</span> final boolean serialReplication = hasSerialReplicationScope(regionInfo.getTable());<a name="line.193"></a> -<span class="sourceLineNo">194</span> if (serialReplication && state == State.OPEN) {<a name="line.194"></a> -<span class="sourceLineNo">195</span> Put barrierPut = MetaTableAccessor.makeBarrierPut(regionInfo.getEncodedNameAsBytes(),<a name="line.195"></a> -<span class="sourceLineNo">196</span> openSeqNum, regionInfo.getTable().getName());<a name="line.196"></a> -<span class="sourceLineNo">197</span> updateRegionLocation(regionInfo, state, put, barrierPut);<a name="line.197"></a> -<span class="sourceLineNo">198</span> } else {<a name="line.198"></a> -<span class="sourceLineNo">199</span> updateRegionLocation(regionInfo, state, put);<a name="line.199"></a> -<span class="sourceLineNo">200</span> }<a name="line.200"></a> -<span class="sourceLineNo">201</span> }<a name="line.201"></a> -<span class="sourceLineNo">202</span><a name="line.202"></a> -<span class="sourceLineNo">203</span> protected void updateRegionLocation(final RegionInfo regionInfo, final State state,<a name="line.203"></a> -<span class="sourceLineNo">204</span> final Put... put) throws IOException {<a name="line.204"></a> -<span class="sourceLineNo">205</span> synchronized (this) {<a name="line.205"></a> -<span class="sourceLineNo">206</span> if (multiHConnection == null) {<a name="line.206"></a> -<span class="sourceLineNo">207</span> multiHConnection = new MultiHConnection(master.getConfiguration(), 1);<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> try {<a name="line.211"></a> -<span class="sourceLineNo">212</span> multiHConnection.processBatchCallback(Arrays.asList(put), TableName.META_TABLE_NAME, null, null);<a name="line.212"></a> -<span class="sourceLineNo">213</span> } catch (IOException e) {<a name="line.213"></a> -<span class="sourceLineNo">214</span> // TODO: Revist!!!! Means that if a server is loaded, then we will abort our host!<a name="line.214"></a> -<span class="sourceLineNo">215</span> // In tests we abort the Master!<a name="line.215"></a> -<span class="sourceLineNo">216</span> String msg = String.format("FAILED persisting region=%s state=%s",<a name="line.216"></a> -<span class="sourceLineNo">217</span> regionInfo.getShortNameToLog(), state);<a name="line.217"></a> -<span class="sourceLineNo">218</span> LOG.error(msg, e);<a name="line.218"></a> -<span class="sourceLineNo">219</span> master.abort(msg, e);<a name="line.219"></a> -<span class="sourceLineNo">220</span> throw e;<a name="line.220"></a> -<span class="sourceLineNo">221</span> }<a name="line.221"></a> -<span class="sourceLineNo">222</span> }<a name="line.222"></a> -<span class="sourceLineNo">223</span><a name="line.223"></a> -<span class="sourceLineNo">224</span> // ============================================================================================<a name="line.224"></a> -<span class="sourceLineNo">225</span> // Update Region Splitting State helpers<a name="line.225"></a> -<span class="sourceLineNo">226</span> // ============================================================================================<a name="line.226"></a> -<span class="sourceLineNo">227</span> public void splitRegion(final RegionInfo parent, final RegionInfo hriA,<a name="line.227"></a> -<span class="sourceLineNo">228</span> final RegionInfo hriB, final ServerName serverName) throws IOException {<a name="line.228"></a> -<span class="sourceLineNo">229</span> final TableDescriptor htd = getTableDescriptor(parent.getTable());<a name="line.229"></a> -<span class="sourceLineNo">230</span> MetaTableAccessor.splitRegion(master.getConnection(), parent, hriA, hriB, serverName,<a name="line.230"></a> -<span class="sourceLineNo">231</span> getRegionReplication(htd), hasSerialReplicationScope(htd));<a name="line.231"></a> -<span class="sourceLineNo">232</span> }<a name="line.232"></a> -<span class="sourceLineNo">233</span><a name="line.233"></a> -<span class="sourceLineNo">234</span> // ============================================================================================<a name="line.234"></a> -<span class="sourceLineNo">235</span> // Update Region Merging State helpers<a name="line.235"></a> -<span class="sourceLineNo">236</span> // ============================================================================================<a name="line.236"></a> -<span class="sourceLineNo">237</span> public void mergeRegions(final RegionInfo parent, final RegionInfo hriA,<a name="line.237"></a> -<span class="sourceLineNo">238</span> final RegionInfo hriB, final ServerName serverName) throws IOException {<a name="line.238"></a> -<span class="sourceLineNo">239</span> final TableDescriptor htd = getTableDescriptor(parent.getTable());<a name="line.239"></a> -<span class="sourceLineNo">240</span> MetaTableAccessor.mergeRegions(master.getConnection(), parent, hriA, hriB, serverName,<a name="line.240"></a> -<span class="sourceLineNo">241</span> getRegionReplication(htd), EnvironmentEdgeManager.currentTime(),<a name="line.241"></a> -<span class="sourceLineNo">242</span> hasSerialReplicationScope(htd));<a name="line.242"></a> -<span class="sourceLineNo">243</span> }<a name="line.243"></a> -<span class="sourceLineNo">244</span><a name="line.244"></a> -<span class="sourceLineNo">245</span> // ============================================================================================<a name="line.245"></a> -<span class="sourceLineNo">246</span> // Delete Region State helpers<a name="line.246"></a> -<span class="sourceLineNo">247</span> // ============================================================================================<a name="line.247"></a> -<span class="sourceLineNo">248</span> public void deleteRegion(final RegionInfo regionInfo) throws IOException {<a name="line.248"></a> -<span class="sourceLineNo">249</span> deleteRegions(Collections.singletonList(regionInfo));<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> public void deleteRegions(final List<RegionInfo> regions) throws IOException {<a name="line.252"></a> -<span class="sourceLineNo">253</span> MetaTableAccessor.deleteRegions(master.getConnection(), regions);<a name="line.253"></a> -<span class="sourceLineNo">254</span> }<a name="line.254"></a> -<span class="sourceLineNo">255</span><a name="line.255"></a> -<span class="sourceLineNo">256</span> // ==========================================================================<a name="line.256"></a> -<span class="sourceLineNo">257</span> // Table Descriptors helpers<a name="line.257"></a> -<span class="sourceLineNo">258</span> // ==========================================================================<a name="line.258"></a> -<span class="sourceLineNo">259</span> private boolean hasSerialReplicationScope(final TableName tableName) throws IOException {<a name="line.259"></a> -<span class="sourceLineNo">260</span> return hasSerialReplicationScope(getTableDescriptor(tableName));<a name="line.260"></a> -<span class="sourceLineNo">261</span> }<a name="line.261"></a> -<span class="sourceLineNo">262</span><a name="line.262"></a> -<span class="sourceLineNo">263</span> private boolean hasSerialReplicationScope(final TableDescriptor htd) {<a name="line.263"></a> -<span class="sourceLineNo">264</span> return (htd != null)? htd.hasSerialReplicationScope(): false;<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> private int getRegionReplication(final TableDescriptor htd) {<a name="line.267"></a> -<span class="sourceLineNo">268</span> return (htd != null) ? htd.getRegionReplication() : 1;<a name="line.268"></a> -<span class="sourceLineNo">269</span> }<a name="line.269"></a> -<span class="sourceLineNo">270</span><a name="line.270"></a> -<span class="sourceLineNo">271</span> private TableDescriptor getTableDescriptor(final TableName tableName) throws IOException {<a name="line.271"></a> -<span class="sourceLineNo">272</span> return master.getTableDescriptors().get(tableName);<a name="line.272"></a> -<span class="sourceLineNo">273</span> }<a name="line.273"></a> -<span class="sourceLineNo">274</span><a name="line.274"></a> -<span class="sourceLineNo">275</span> // ==========================================================================<a name="line.275"></a> -<span class="sourceLineNo">276</span> // Server Name<a name="line.276"></a> -<span class="sourceLineNo">277</span> // ==========================================================================<a name="line.277"></a> -<span class="sourceLineNo">278</span><a name="line.278"></a> -<span class="sourceLineNo">279</span> /**<a name="line.279"></a> -<span class="sourceLineNo">280</span> * Returns the {@link ServerName} from catalog table {@link Result}<a name="line.280"></a> -<span class="sourceLineNo">281</span> * where the region is transitioning. It should be the same as<a name="line.281"></a> -<span class="sourceLineNo">282</span> * {@link MetaTableAccessor#getServerName(Result,int)} if the server is at OPEN state.<a name="line.282"></a> -<span class="sourceLineNo">283</span> * @param r Result to pull the transitioning server name from<a name="line.283"></a> -<span class="sourceLineNo">284</span> * @return A ServerName instance or {@link MetaTableAccessor#getServerName(Result,int)}<a name="line.284"></a> -<span class="sourceLineNo">285</span> * if necessary fields not found or empty.<a name="line.285"></a> -<span class="sourceLineNo">286</span> */<a name="line.286"></a> -<span class="sourceLineNo">287</span> static ServerName getRegionServer(final Result r, int replicaId) {<a name="line.287"></a> -<span class="sourceLineNo">288</span> final Cell cell = r.getColumnLatestCell(HConstants.CATALOG_FAMILY,<a name="line.288"></a> -<span class="sourceLineNo">289</span> getServerNameColumn(replicaId));<a name="line.289"></a> -<span class="sourceLineNo">290</span> if (cell == null || cell.getValueLength() == 0) {<a name="line.290"></a> -<span class="sourceLineNo">291</span> RegionLocations locations = MetaTableAccessor.getRegionLocations(r);<a name="line.291"></a> -<span class="sourceLineNo">292</span> if (locations != null) {<a name="line.292"></a> -<span class="sourceLineNo">293</span> HRegionLocation location = locations.getRegionLocation(replicaId);<a name="line.293"></a> -<span class="sourceLineNo">294</span> if (location != null) {<a name="line.294"></a> -<span class="sourceLineNo">295</span> return location.getServerName();<a name="line.295"></a> -<span class="sourceLineNo">296</span> }<a name="line.296"></a> -<span class="sourceLineNo">297</span> }<a name="line.297"></a> -<span class="sourceLineNo">298</span> return null;<a name="line.298"></a> -<span class="sourceLineNo">299</span> }<a name="line.299"></a> -<span class="sourceLineNo">300</span> return ServerName.parseServerName(Bytes.toString(cell.getValueArray(),<a name="line.300"></a> -<span class="sourceLineNo">301</span> cell.getValueOffset(), cell.getValueLength()));<a name="line.301"></a> -<span class="sourceLineNo">302</span> }<a name="line.302"></a> -<span class="sourceLineNo">303</span><a name="line.303"></a> -<span class="sourceLineNo">304</span> private static byte[] getServerNameColumn(int replicaId) {<a name="line.304"></a> -<span class="sourceLineNo">305</span> return replicaId == 0<a name="line.305"></a> -<span class="sourceLineNo">306</span> ? HConstants.SERVERNAME_QUALIFIER<a name="line.306"></a> -<span class="sourceLineNo">307</span> : Bytes.toBytes(HConstants.SERVERNAME_QUALIFIER_STR + META_REPLICA_ID_DELIMITER<a name="line.307"></a> -<span class="sourceLineNo">308</span> + String.format(RegionInfo.REPLICA_ID_FORMAT, replicaId));<a name="line.308"></a> -<span class="sourceLineNo">309</span> }<a name="line.309"></a> -<span class="sourceLineNo">310</span><a name="line.310"></a> -<span class="sourceLineNo">311</span> // ==========================================================================<a name="line.311"></a> -<span class="sourceLineNo">312</span> // Region State<a name="line.312"></a> -<span class="sourceLineNo">313</span> // ==========================================================================<a name="line.313"></a> -<span class="sourceLineNo">314</span><a name="line.314"></a> -<span class="sourceLineNo">315</span> /**<a name="line.315"></a> -<span class="sourceLineNo">316</span> * Pull the region state from a catalog table {@link Result}.<a name="line.316"></a> -<span class="sourceLineNo">317</span> * @param r Result to pull the region state from<a name="line.317"></a> -<span class="sourceLineNo">318</span> * @return the region state, or null if unknown.<a name="line.318"></a> -<span class="sourceLineNo">319</span> */<a name="line.319"></a> -<span class="sourceLineNo">320</span> protected State getRegionState(final Result r, int replicaId) {<a name="line.320"></a> -<span class="sourceLineNo">321</span> Cell cell = r.getColumnLatestCell(HConstants.CATALOG_FAMILY, getStateColumn(replicaId));<a name="line.321"></a> -<span class="sourceLineNo">322</span> if (cell == null || cell.getValueLength() == 0) {<a name="line.322"></a> -<span class="sourceLineNo">323</span> return null;<a name="line.323"></a> -<span class="sourceLineNo">324</span> }<a name="line.324"></a> -<span class="sourceLineNo">325</span> return State.valueOf(Bytes.toString(cell.getValueArray(), cell.getValueOffset(), cell.getValueLength()));<a name="line.325"></a> -<span class="sourceLineNo">326</span> }<a name="line.326"></a> -<span class="sourceLineNo">327</span><a name="line.327"></a> -<span class="sourceLineNo">328</span> private static byte[] getStateColumn(int replicaId) {<a name="line.328"></a> -<span class="sourceLineNo">329</span> return replicaId == 0<a name="line.329"></a> -<span class="sourceLineNo">330</span> ? HConstants.STATE_QUALIFIER<a name="line.330"></a> -<span class="sourceLineNo">331</span> : Bytes.toBytes(HConstants.STATE_QUALIFIER_STR + META_REPLICA_ID_DELIMITER<a name="line.331"></a> -<span class="sourceLineNo">332</span> + String.format(RegionInfo.REPLICA_ID_FORMAT, replicaId));<a name="line.332"></a> -<span class="sourceLineNo">333</span> }<a name="line.333"></a> -<span class="sourceLineNo">334</span>}<a name="line.334"></a> +<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.shaded.com.google.common.annotations.VisibleForTesting;<a name="line.51"></a> +<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.shaded.com.google.common.base.Preconditions;<a name="line.52"></a> +<span class="sourceLineNo">053</span><a name="line.53"></a> +<span class="sourceLineNo">054</span>/**<a name="line.54"></a> +<span class="sourceLineNo">055</span> * Store Region State to hbase:meta table.<a name="line.55"></a> +<span class="sourceLineNo">056</span> */<a name="line.56"></a> +<span class="sourceLineNo">057</span>@InterfaceAudience.Private<a name="line.57"></a> +<span class="sourceLineNo">058</span>public class RegionStateStore {<a name="line.58"></a> +<span class="sourceLineNo">059</span> private static final Log LOG = LogFactory.getLog(RegionStateStore.class);<a name="line.59"></a> +<span class="sourceLineNo">060</span><a name="line.60"></a> +<span class="sourceLineNo">061</span> /** The delimiter for meta columns for replicaIds &gt; 0 */<a name="line.61"></a> +<span class="sourceLineNo">062</span> protected static final char META_REPLICA_ID_DELIMITER = '_';<a name="line.62"></a> +<span class="sourceLineNo">063</span><a name="line.63"></a> +<span class="sourceLineNo">064</span> private final MasterServices master;<a name="line.64"></a> +<span class="sourceLineNo">065</span><a name="line.65"></a> +<span class="sourceLineNo">066</span> private MultiHConnection multiHConnection;<a name="line.66"></a> +<span class="sourceLineNo">067</span><a name="line.67"></a> +<span class="sourceLineNo">068</span> public RegionStateStore(final MasterServices master) {<a name="line.68"></a> +<span class="sourceLineNo">069</span> this.master = master;<a name="line.69"></a> +<span class="sourceLineNo">070</span> }<a name="line.70"></a> +<span class="sourceLineNo">071</span><a name="line.71"></a> +<span class="sourceLineNo">072</span> public void start() throws IOException {<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> public void stop() {<a name="line.75"></a> +<span class="sourceLineNo">076</span> if (multiHConnection != null) {<a name="line.76"></a> +<span class="sourceLineNo">077</span> multiHConnection.close();<a name="line.77"></a> +<span class="sourceLineNo">078</span> multiHConnection = null;<a name="line.78"></a> +<span class="sourceLineNo">079</span> }<a name="line.79"></a> +<span class="sourceLineNo">080</span> }<a name="line.80"></a> +<span class="sourceLineNo">081</span><a name="line.81"></a> +<span class="sourceLineNo">082</span> public interface RegionStateVisitor {<a name="line.82"></a> +<span class="sourceLineNo">083</span> void visitRegionState(RegionInfo regionInfo, State state,<a name="line.83"></a> +<span class="sourceLineNo">084</span> ServerName regionLocation, ServerName lastHost, long openSeqNum);<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> public void visitMeta(final RegionStateVisitor visitor) throws IOException {<a name="line.87"></a> +<span class="sourceLineNo">088</span> MetaTableAccessor.fullScanRegions(master.getConnection(), new MetaTableAccessor.Visitor() {<a name="line.88"></a> +<span class="sourceLineNo">089</span> final boolean isDebugEnabled = LOG.isDebugEnabled();<a name="line.89"></a> +<span class="sourceLineNo">090</span><a name="line.90"></a> +<span class="sourceLineNo">091</span> @Override<a name="line.91"></a> +<span class="sourceLineNo">092</span> public boolean visit(final Result r) throws IOException {<a name="line.92"></a> +<span class="sourceLineNo">093</span> if (r != null && !r.isEmpty()) {<a name="line.93"></a> +<span class="sourceLineNo">094</span> long st = 0;<a name="line.94"></a> +<span class="sourceLineNo">095</span> if (LOG.isTraceEnabled()) {<a name="line.95"></a> +<span class="sourceLineNo">096</span> st = System.currentTimeMillis();<a name="line.96"></a> +<span class="sourceLineNo">097</span> }<a name="line.97"></a> +<span class="sourceLineNo">098</span> visitMetaEntry(visitor, r);<a name="line.98"></a> +<span class="sourceLineNo">099</span> if (LOG.isTraceEnabled()) {<a name="line.99"></a> +<span class="sourceLineNo">100</span> long et = System.currentTimeMillis();<a name="line.100"></a> +<span class="sourceLineNo">101</span> LOG.trace("[T] LOAD META PERF " + StringUtils.humanTimeDiff(et - st));<a name="line.101"></a> +<span class="sourceLineNo">102</span> }<a name="line.102"></a> +<span class="sourceLineNo">103</span> } else if (isDebugEnabled) {<a name="line.103"></a> +<span class="sourceLineNo">104</span> LOG.debug("NULL result from meta - ignoring but this is strange.");<a name="line.104"></a> +<span class="sourceLineNo">105</span> }<a name="line.105"></a> +<span class="sourceLineNo">106</span> return true;<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><a name="line.110"></a> +<span class="sourceLineNo">111</span> private void visitMetaEntry(final RegionStateVisitor visitor, final Result result)<a name="line.111"></a> +<span class="sourceLineNo">112</span> throws IOException {<a name="line.112"></a> +<span class="sourceLineNo">113</span> final RegionLocations rl = MetaTableAccessor.getRegionLocations(result);<a name="line.113"></a> +<span class="sourceLineNo">114</span> if (rl == null) return;<a name="line.114"></a> +<span class="sourceLineNo">115</span><a name="line.115"></a> +<span class="sourceLineNo">116</span> final HRegionLocation[] locations = rl.getRegionLocations();<a name="line.116"></a> +<span class="sourceLineNo">117</span> if (locations == null) return;<a name="line.117"></a> +<span class="sourceLineNo">118</span><a name="line.118"></a> +<span class="sourceLineNo">119</span> for (int i = 0; i < locations.length; ++i) {<a name="line.119"></a> +<span class="sourceLineNo">120</span> final HRegionLocation hrl = locations[i];<a name="line.120"></a> +<span class="sourceLineNo">121</span> if (hrl == null) continue;<a name="line.121"></a> +<span class="sourceLineNo">122</span><a name="line.122"></a> +<span class="sourceLineNo">123</span> final RegionInfo regionInfo = hrl.getRegionInfo();<a name="line.123"></a> +<span class="sourceLineNo">124</span> if (regionInfo == null) continue;<a name="line.124"></a> +<span class="sourceLineNo">125</span><a name="line.125"></a> +<span class="sourceLineNo">126</span> final int replicaId = regionInfo.getReplicaId();<a name="line.126"></a> +<span class="sourceLineNo">127</span> final State state = getRegionState(result, replicaId);<a name="line.127"></a> +<span class="sourceLineNo">128</span><a name="line.128"></a> +<span class="sourceLineNo">129</span> final ServerName lastHost = hrl.getServerName();<a name="line.129"></a> +<span class="sourceLineNo">130</span> final ServerName regionLocation = getRegionServer(result, replicaId);<a name="line.130"></a> +<span class="sourceLineNo">131</span> final long openSeqNum = -1;<a name="line.131"></a> +<span class="sourceLineNo">132</span><a name="line.132"></a> +<span class="sourceLineNo">133</span> // TODO: move under trace, now is visible for debugging<a name="line.133"></a> +<span class="sourceLineNo">134</span> LOG.info(String.format("Load hbase:meta entry region=%s regionState=%s lastHost=%s regionLocation=%s",<a name="line.134"></a> +<span class="sourceLineNo">135</span> regionInfo, state, lastHost, regionLocation));<a name="line.135"></a> +<span class="sourceLineNo">136</span><a name="line.136"></a> +<span class="sourceLineNo">137</span> visitor.visitRegionState(regionInfo, state, regionLocation, lastHost, openSeqNum);<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> public void updateRegionLocation(final RegionInfo regionInfo, final State state,<a name="line.141"></a> +<span class="sourceLineNo">142</span> final ServerName regionLocation, final ServerName lastHost, final long openSeqNum,<a name="line.142"></a> +<span class="sourceLineNo">143</span> final long pid)<a name="line.143"></a> +<span class="sourceLineNo">144</span> throws IOException {<a name="line.144"></a> +<span class="sourceLineNo">145</span> if (regionInfo.isMetaRegion()) {<a name="line.145"></a> +<span class="sourceLineNo">146</span> updateMetaLocation(regionInfo, regionLocation);<a name="line.146"></a> +<span class="sourceLineNo">147</span> } else {<a name="line.147"></a> +<span class="sourceLineNo">148</span> updateUserRegionLocation(regionInfo, state, regionLocation, lastHost, openSeqNum, pid);<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> public void updateRegionState(final long openSeqNum, final long pid,<a name="line.152"></a> +<span class="sourceLineNo">153</span> final RegionState newState, final RegionState oldState) throws IOException {<a name="line.153"></a> +<span class="sourceLineNo">154</span> updateRegionLocation(newState.getRegion(), newState.getState(), newState.getServerName(),<a name="line.154"></a> +<span class="sourceLineNo">155</span> oldState != null ? oldState.getServerName() : null, openSeqNum, pid);<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> protected void updateMetaLocation(final RegionInfo regionInfo, final ServerName serverName)<a name="line.158"></a> +<span class="sourceLineNo">159</span> throws IOException {<a name="line.159"></a> +<span class="sourceLineNo">160</span> try {<a name="line.160"></a> +<span class="sourceLineNo">161</span> MetaTableLocator.setMetaLocation(master.getZooKeeper(), serverName,<a name="line.161"></a> +<span class="sourceLineNo">162</span> regionInfo.getReplicaId(), State.OPEN);<a name="line.162"></a> +<span class="sourceLineNo">163</span> } catch (KeeperException e) {<a name="line.163"></a> +<span class="sourceLineNo">164</span> throw new IOException(e);<a name="line.164"></a> +<span class="sourceLineNo">165</span> }<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> protected void updateUserRegionLocation(final RegionInfo regionInfo, final State state,<a name="line.168"></a> +<span class="sourceLineNo">169</span> final ServerName regionLocation, final ServerName lastHost, final long openSeqNum,<a name="line.169"></a> +<span class="sourceLineNo">170</span> final long pid)<a name="line.170"></a> +<span class="sourceLineNo">171</span> throws IOException {<a name="line.171"></a> +<span class="sourceLineNo">172</span> final int replicaId = regionInfo.getReplicaId();<a name="line.172"></a> +<span class="sourceLineNo">173</span> final Put put = new Put(MetaTableAccessor.getMetaKeyForRegion(regionInfo));<a name="line.173"></a> +<span class="sourceLineNo">174</span> MetaTableAccessor.addRegionInfo(put, regionInfo);<a name="line.174"></a> +<span class="sourceLineNo">175</span> final StringBuilder info = new StringBuilder("pid=" + pid + " updating hbase:meta row=");<a name="line.175"></a> +<span class="sourceLineNo">176</span> info.append(regionInfo.getRegionNameAsString()).append(", regionState=").append(state);<a name="line.176"></a> +<span class="sourceLineNo">177</span> if (openSeqNum >= 0) {<a name="line.177"></a> +<span class="sourceLineNo">178</span> Preconditions.checkArgument(state == State.OPEN && regionLocation != null,<a name="line.178"></a> +<span class="sourceLineNo">179</span> "Open region should be on a server");<a name="line.179"></a> +<span class="sourceLineNo">180</span> MetaTableAccessor.addLocation(put, regionLocation, openSeqNum, -1, replicaId);<a name="line.180"></a> +<span class="sourceLineNo">181</span> info.append(", openSeqNum=").append(openSeqNum);<a name="line.181"></a> +<span class="sourceLineNo">182</span> info.append(", regionLocation=").append(regionLocation);<a name="line.182"></a> +<span class="sourceLineNo">183</span> } else if (regionLocation != null && !regionLocation.equals(lastHost)) {<a name="line.183"></a> +<span class="sourceLineNo">184</span> // Ideally, if no regionLocation, write null to the hbase:meta but this will confuse clients<a name="line.184"></a> +<span class="sourceLineNo">185</span> // currently; they want a server to hit. TODO: Make clients wait if no location.<a name="line.185"></a> +<span class="sourceLineNo">186</span> put.addImmutable(HConstants.CATALOG_FAMILY, getServerNameColumn(replicaId),<a name="line.186"></a> +<span class="sourceLineNo">187</span> Bytes.toBytes(regionLocation.getServerName()));<a name="line.187"></a> +<span class="sourceLineNo">188</span> info.append(", regionLocation=").append(regionLocation);<a name="line.188"></a> +<span class="sourceLineNo">189</span> }<a name="line.189"></a> +<span class="sourceLineNo">190</span> put.addImmutable(HConstants.CATALOG_FAMILY, getStateColumn(replicaId),<a name="line.190"></a> +<span class="sourceLineNo">191</span> Bytes.toBytes(state.name()));<a name="line.191"></a> +<span class="sourceLineNo">192</span> LOG.info(info);<a name="line.192"></a> +<span class="sourceLineNo">193</span><a name="line.193"></a> +<span class="sourceLineNo">194</span> final boolean serialReplication = hasSerialReplicationScope(regionInfo.getTable());<a name="line.194"></a> +<span class="sourceLineNo">195</span> if (serialReplication && state == State.OPEN) {<a name="line.195"></a> +<span class="sourceLineNo">196</span> Put barrierPut = MetaTableAccessor.makeBarrierPut(regionInfo.getEncodedNameAsBytes(),<a name="line.196"></a> +<span class="sourceLineNo">197</span> openSeqNum, regionInfo.getTable().getName());<a name="line.197"></a> +<span class="sourceLineNo">198</span> updateRegionLocation(regionInfo, state, put, barrierPut);<a name="line.198"></a> +<span class="sourceLineNo">199</span> } else {<a name="line.199"></a> +<span class="sourceLineNo">200</span> updateRegionLocation(regionInfo, state, put);<a name="line.200"></a> +<span class="sourceLineNo">201</span> }<a name="line.201"></a> +<span class="sourceLineNo">202</span> }<a name="line.202"></a> +<span class="sourceLineNo">203</span><a name="line.203"></a> +<span class="sourceLineNo">204</span> protected void updateRegionLocation(final RegionInfo regionInfo, final State state,<a name="line.204"></a> +<span class="sourceLineNo">205</span> final Put... put) throws IOException {<a name="line.205"></a> +<span class="sourceLineNo">206</span> synchronized (this) {<a name="line.206"></a> +<span class="sourceLineNo">207</span> if (multiHConnection == null) {<a name="line.207"></a> +<span class="sourceLineNo">208</span> multiHConnection = new MultiHConnection(master.getConfiguration(), 1);<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><a name="line.211"></a> +<span class="sourceLineNo">212</span> try {<a name="line.212"></a> +<span class="sourceLineNo">213</span> multiHConnection.processBatchCallback(Arrays.asList(put), TableName.META_TABLE_NAME, null, null);<a name="line.213"></a> +<span class="sourceLineNo">214</span> } catch (IOException e) {<a name="line.214"></a> +<span class="sourceLineNo">215</span> // TODO: Revist!!!! Means that if a server is loaded, then we will abort our host!<a name="line.215"></a> +<span class="sourceLineNo">216</span> // In tests we abort the Master!<a name="line.216"></a> +<span class="sourceLineNo">217</span> String msg = String.format("FAILED persisting region=%s state=%s",<a name="line.217"></a> +<span class="sourceLineNo">218</span> regionInfo.getShortNameToLog(), state);<a name="line.218"></a> +<span class="sourceLineNo">219</span> LOG.error(msg, e);<a name="line.219"></a> +<span class="sourceLineNo">220</span> master.abort(msg, e);<a name="line.220"></a> +<span class="sourceLineNo">221</span> throw e;<a name="line.221"></a> +<span class="sourceLineNo">222</span> }<a name="line.222"></a> +<span class="sourceLineNo">223</span> }<a name="line.223"></a> +<span class="sourceLineNo">224</span><a name="line.224"></a> +<span class="sourceLineNo">225</span> // ============================================================================================<a name="line.225"></a> +<span class="sourceLineNo">226</span> // Update Region Splitting State helpers<a name="line.226"></a> +<span class="sourceLineNo">227</span> // ============================================================================================<a name="line.227"></a> +<span class="sourceLineNo">228</span> public void splitRegion(final RegionInfo parent, final RegionInfo hriA,<a name="line.228"></a> +<span class="sourceLineNo">229</span> final RegionInfo hriB, final ServerName serverName) throws IOException {<a name="line.229"></a> +<span class="sourceLineNo">230</span> final TableDescriptor htd = getTableDescriptor(parent.getTable());<a name="line.230"></a> +<span class="sourceLineNo">231</span> MetaTableAccessor.splitRegion(master.getConnection(), parent, hriA, hriB, serverName,<a name="line.231"></a> +<span class="sourceLineNo">232</span> getRegionReplication(htd), hasSerialReplicationScope(htd));<a name="line.232"></a> +<span class="sourceLineNo">233</span> }<a name="line.233"></a> +<span class="sourceLineNo">234</span><a name="line.234"></a> +<span class="sourceLineNo">235</span> // ============================================================================================<a name="line.235"></a> +<span class="sourceLineNo">236</span> // Update Region Merging State helpers<a name="line.236"></a> +<span class="sourceLineNo">237</span> // ============================================================================================<a name="line.237"></a> +<span class="sourceLineNo">238</span> public void mergeRegions(final RegionInfo parent, final RegionInfo hriA,<a name="line.238"></a> +<span class="sourceLineNo">239</span> final RegionInfo hriB, final ServerName serverName) throws IOException {<a name="line.239"></a> +<span class="sourceLineNo">240</span> final TableDescriptor htd = getTableDescriptor(parent.getTable());<a name="line.240"></a> +<span class="sourceLineNo">241</span> MetaTableAccessor.mergeRegions(master.getConnection(), parent, hriA, hriB, serverName,<a name="line.241"></a> +<span class="sourceLineNo">242</span> getRegionReplication(htd), EnvironmentEdgeManager.currentTime(),<a name="line.242"></a> +<span class="sourceLineNo">243</span> hasSerialReplicationScope(htd));<a name="line.243"></a> +<span class="sourceLineNo">244</span> }<a name="line.244"></a> +<span class="sourceLineNo">245</span><a name="line.245"></a> +<span class="sourceLineNo">246</span> // ============================================================================================<a name="line.246"></a> +<span class="sourceLineNo">247</span> // Delete Region State helpers<a name="line.247"></a> +<span class="sourceLineNo">248</span> // ============================================================================================<a name="line.248"></a> +<span class="sourceLineNo">249</span> public void deleteRegion(final RegionInfo regionInfo) throws IOException {<a name="line.249"></a> +<span class="sourceLineNo">250</span> deleteRegions(Collections.singletonList(regionInfo));<a name="line.250"></a> +<span class="sourceLineNo">251</span> }<a name="line.251"></a> +<span class="sourceLineNo">252</span><a name="line.252"></a> +<span class="sourceLineNo">253</span> public void deleteRegions(final List<RegionInfo> regions) throws IOException {<a name="line.253"></a> +<span class="sourceLineNo">254</span> MetaTableAccessor.deleteRegions(master.getConnection(), regions);<a name="line.254"></a> +<span class="sourceLineNo">255</span> }<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> // Table Descriptors helpers<a name="line.258"></a> +<span class="sourceLineNo">259</span> // ==========================================================================<a name="line.259"></a> +<span class="sourceLineNo">260</span> private boolean hasSerialReplicationScope(final TableName tableName) throws IOException {<a name="line.260"></a> +<span class="sourceLineNo">261</span> return hasSerialReplicationScope(getTableDescriptor(tableName));<a name="line.261"></a> +<span class="sourceLineNo">262</span> }<a name="line.262"></a> +<span class="sourceLineNo">263</span><a name="line.263"></a> +<span class="sourceLineNo">264</span> private boolean hasSerialReplicationScope(final TableDescriptor htd) {<a name="line.264"></a> +<span class="sourceLineNo">265</span> return (htd != null)? htd.hasSerialReplicationScope(): false;<a name="line.265"></a> +<span class="sourceLineNo">266</span> }<a name="line.266"></a> +<span class="sourceLineNo">267</span><a name="line.267"></a> +<span class="sourceLineNo">268</span> private int getRegionReplication(final TableDescriptor htd) {<a name="line.268"></a> +<span class="sourceLineNo">269</span> return (htd != null) ? htd.getRegionReplication() : 1;<a name="line.269"></a> +<span class="sourceLineNo">270</span> }<a name="line.270"></a> +<span class="sourceLineNo">271</span><a name="line.271"></a> +<span class="sourceLineNo">272</span> private TableDescriptor getTableDescriptor(final TableName tableName) throws IOException {<a name="line.272"></a> +<span class="sourceLineNo">273</span> return master.getTableDescriptors().get(tableName);<a name="line.273"></a> +<span class="sourceLineNo">274</span> }<a name="line.274"></a> +<span class="sourceLineNo">275</span><a name="line.275"></a> +<span class="sourceLineNo">276</span> // ==========================================================================<a name="line.276"></a> +<span class="sourceLineNo">277</span> // Server Name<a name="line.277"></a> +<span class="sourceLineNo">278</span> // ==========================================================================<a name="line.278"></a> +<span class="sourceLineNo">279</span><a name="line.279"></a> +<span class="sourceLineNo">280</span> /**<a name="line.280"></a> +<span class="sourceLineNo">281</span> * Returns the {@link ServerName} from catalog table {@link Result}<a name="line.281"></a> +<span class="sourceLineNo">282</span> * where the region is transitioning. It should be the same as<a name="line.282"></a> +<span class="sourceLineNo">283</span> * {@link MetaTableAccessor#getServerName(Result,int)} if the server is at OPEN state.<a name="line.283"></a> +<span class="sourceLineNo">284</span> * @param r Result to pull the transitioning server name from<a name="line.284"></a> +<span class="sourceLineNo">285</span> * @return A ServerName instance or {@link MetaTableAccessor#getServerName(Result,int)}<a name="line.285"></a> +<span class="sourceLineNo">286</span> * if necessary fields not found or empty.<a name="line.286"></a> +<span class="sourceLineNo">287</span> */<a name="line.287"></a> +<span class="sourceLineNo">288</span> static ServerName getRegionServer(final Result r, int replicaId) {<a name="line.288"></a> +<span class="sourceLineNo">289</span> final Cell cell = r.getColumnLatestCell(HConstants.CATALOG_FAMILY,<a name="line.289"></a> +<span class="sourceLineNo">290</span> getServerNameColumn(replicaId));<a name="line.290"></a> +<span class="sourceLineNo">291</span> if (cell == null || cell.getValueLength() == 0) {<a name="line.291"></a> +<span class="sourceLineNo">292</span> RegionLocations locations = MetaTableAccessor.getRegionLocations(r);<a name="line.292"></a> +<span class="sourceLineNo">293</span> if (locations != null) {<a name="line.293"></a> +<span class="sourceLineNo">294</span> HRegionLocation location = locations.getRegionLocation(replicaId);<a name="line.294"></a> +<span class="sourceLineNo">295</span> if (location != null) {<a name="line.295"></a> +<span class="sourceLineNo">296</span> return location.getServerName();<a name="line.296"></a> +<span class="sourceLineNo">297</span> }<a name="line.297"></a> +<span class="sourceLineNo">298</span> }<a name="line.298"></a> +<span class="sourceLineNo">299</span> return null;<a name="line.299"></a> +<span class="sourceLineNo">300</span> }<a name="line.300"></a> +<span class="sourceLineNo">301</span> return ServerName.parseServerName(Bytes.toString(cell.getValueArray(),<a name="line.301"></a> +<span class="sourceLineNo">302</span> cell.getValueOffset(), cell.getValueLength()));<a name="line.302"></a> +<span class="sourceLineNo">303</span> }<a name="line.303"></a> +<span class="sourceLineNo">304</span><a name="line.304"></a> +<span class="sourceLineNo">305</span> private static byte[] getServerNameColumn(int replicaId) {<a name="line.305"></a> +<span class="sourceLineNo">306</span> return replicaId == 0<a name="line.306"></a> +<span class="sourceLineNo">307</span> ? HConstants.SERVERNAME_QUALIFIER<a name="line.307"></a> +<span class="sourceLineNo">308</span> : Bytes.toBytes(HConstants.SERVERNAME_QUALIFIER_STR + META_REPLICA_ID_DELIMITER<a name="line.308"></a> +<span class="sourceLineNo">309</span> + String.format(RegionInfo.REPLICA_ID_FORMAT, replicaId));<a name="line.309"></a> +<span class="sourceLineNo">310</span> }<a name="line.310"></a> +<span class="sourceLineNo">311</span><a name="line.311"></a> +<span class="sourceLineNo">312</span> // ==========================================================================<a name="line.312"></a> +<span class="sourceLineNo">313</span> // Region State<a name="line.313"></a> +<span class="sourceLineNo">314</span> // ==========================================================================<a name="line.314"></a> +<span class="sourceLineNo">315</span><a name="line.315"></a> +<span class="sourceLineNo">316</span> /**<a name="line.316"></a> +<span class="sourceLineNo">317</span> * Pull the region state from a catalog table {@link Result}.<a name="line.317"></a> +<span class="sourceLineNo">318</span> * @param r Result to pull the region state from<a name="line.318"></a> +<span class="sourceLineNo">319</span> * @return the region state, or null if unknown.<a name="line.319"></a> +<span class="sourceLineNo">320</span> */<a name="line.320"></a> +<span class="sourceLineNo">321</span> @VisibleForTesting<a name="line.321"></a> +<span class="sourceLineNo">322</span> public static State getRegionState(final Result r, int replicaId) {<a name="line.322"></a> +<span class="sourceLineNo">323</span> Cell cell = r.getColumnLatestCell(HConstants.CATALOG_FAMILY, getStateColumn(replicaId));<a name="line.323"></a> +<span class="sourceLineNo">324</span> if (cell == null || cell.getValueLength() == 0) {<a name="line.324"></a> +<span class="sourceLineNo">325</span> return null;<a name="line.325"></a> +<span class="sourceLineNo">326</span> }<a name="line.326"></a> +<span class="sourceLineNo">327</span> return State.valueOf(Bytes.toString(cell.getValueArray(), cell.getValueOffset(),<a name="line.327"></a> +<span class="sourceLineNo">328</span> cell.getValueLength()));<a name="line.328"></a> +<span class="sourceLineNo">329</span> }<a name="line.329"></a> +<span class="sourceLineNo">330</span><a name="line.330"></a> +<span class="sourceLineNo">331</span> private static byte[] getStateColumn(int replicaId) {<a name="line.331"></a> +<span class="sourceLineNo">332</span> return replicaId == 0<a name="line.332"></a> +<span class="sourceLineNo">333</span> ? HConstants.STATE_QUALIFIER<a name="line.333"></a> +<span class="sourceLineNo">334</span> : Bytes.toBytes(HConstants.STATE_QUALIFIER_STR + META_REPLICA_ID_DELIMITER<a name="line.334"></a> +<span class="sourceLineNo">335</span> + String.format(RegionInfo.REPLICA_ID_FORMAT, replicaId));<a name="line.335"></a> +<span class="sourceLineNo">336</span> }<a name="line.336"></a> +<span class="sourceLineNo">337</span>}<a name="line.337"></a>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/b9722a17/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionTransitionProcedure.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionTransitionProcedure.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionTransitionProcedure.html index 34a21f3..a557c47 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionTransitionProcedure.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionTransitionProcedure.html @@ -198,7 +198,7 @@ <span class="sourceLineNo">190</span> // NOTE: This call to wakeEvent puts this Procedure back on the scheduler.<a name="line.190"></a> <span class="sourceLineNo">191</span> // Thereafter, another Worker can be in here so DO NOT MESS WITH STATE beyond<a name="line.191"></a> <span class="sourceLineNo">192</span> // this method. Just get out of this current processing quickly.<a name="line.192"></a> -<span class="sourceLineNo">193</span> env.getProcedureScheduler().wakeEvent(regionNode.getProcedureEvent());<a name="line.193"></a> +<span class="sourceLineNo">193</span> regionNode.getProcedureEvent().wake(env.getProcedureScheduler());<a name="line.193"></a> <span class="sourceLineNo">194</span> }<a name="line.194"></a> <span class="sourceLineNo">195</span> // else leave the procedure in suspended state; it is waiting on another call to this callback<a name="line.195"></a> <span class="sourceLineNo">196</span> }<a name="line.196"></a> @@ -222,7 +222,7 @@ <span class="sourceLineNo">214</span><a name="line.214"></a> <span class="sourceLineNo">215</span> // Put this procedure into suspended mode to wait on report of state change<a name="line.215"></a> <span class="sourceLineNo">216</span> // from remote regionserver. Means Procedure associated ProcedureEvent is marked not 'ready'.<a name="line.216"></a> -<span class="sourceLineNo">217</span> env.getProcedureScheduler().suspendEvent(getRegionState(env).getProcedureEvent());<a name="line.217"></a> +<span class="sourceLineNo">217</span> getRegionState(env).getProcedureEvent().suspend();<a name="line.217"></a> <span class="sourceLineNo">218</span><a name="line.218"></a> <span class="sourceLineNo">219</span> // Tricky because the below call to addOperationToNode can fail. If it fails, we need to<a name="line.219"></a> <span class="sourceLineNo">220</span> // backtrack on stuff like the 'suspend' done above -- tricky as the 'wake' requeues us -- and<a name="line.220"></a> @@ -261,7 +261,7 @@ <span class="sourceLineNo">253</span> // processing to the next stage. At an extreme, the other worker may run in<a name="line.253"></a> <span class="sourceLineNo">254</span> // parallel so DO NOT CHANGE any state hereafter! This should be last thing<a name="line.254"></a> <span class="sourceLineNo">255</span> // done in this processing step.<a name="line.255"></a> -<span class="sourceLineNo">256</span> env.getProcedureScheduler().wakeEvent(regionNode.getProcedureEvent());<a name="line.256"></a> +<span class="sourceLineNo">256</span> regionNode.getProcedureEvent().wake(env.getProcedureScheduler());<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> protected boolean isServerOnline(final MasterProcedureEnv env, final RegionStateNode regionNode) {<a name="line.259"></a> @@ -306,7 +306,7 @@ <span class="sourceLineNo">298</span> return null;<a name="line.298"></a> <span class="sourceLineNo">299</span> }<a name="line.299"></a> <span class="sourceLineNo">300</span> transitionState = RegionTransitionState.REGION_TRANSITION_DISPATCH;<a name="line.300"></a> -<span class="sourceLineNo">301</span> if (env.getProcedureScheduler().waitEvent(regionNode.getProcedureEvent(), this)) {<a name="line.301"></a> +<span class="sourceLineNo">301</span> if (regionNode.getProcedureEvent().suspendIfNotReady(this)) {<a name="line.301"></a> <span class="sourceLineNo">302</span> // Why this suspend? Because we want to ensure Store happens before proceed?<a name="line.302"></a> <span class="sourceLineNo">303</span> throw new ProcedureSuspendedException();<a name="line.303"></a> <span class="sourceLineNo">304</span> }<a name="line.304"></a> @@ -323,7 +323,7 @@ <span class="sourceLineNo">315</span> retry = true;<a name="line.315"></a> <span class="sourceLineNo">316</span> break;<a name="line.316"></a> <span class="sourceLineNo">317</span> }<a name="line.317"></a> -<span class="sourceLineNo">318</span> if (env.getProcedureScheduler().waitEvent(regionNode.getProcedureEvent(), this)) {<a name="line.318"></a> +<span class="sourceLineNo">318</span> if (regionNode.getProcedureEvent().suspendIfNotReady(this)) {<a name="line.318"></a> <span class="sourceLineNo">319</span> throw new ProcedureSuspendedException();<a name="line.319"></a> <span class="sourceLineNo">320</span> }<a name="line.320"></a> <span class="sourceLineNo">321</span> break;<a name="line.321"></a> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/b9722a17/devapidocs/src-html/org/apache/hadoop/hbase/master/locking/LockProcedure.LockInterface.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/locking/LockProcedure.LockInterface.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/locking/LockProcedure.LockInterface.html index a2d00f1..93e9e92 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/master/locking/LockProcedure.LockInterface.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/locking/LockProcedure.LockInterface.html @@ -217,7 +217,7 @@ <span class="sourceLineNo">209</span> if (!event.isReady()) { // Maybe unlock() awakened the event.<a name="line.209"></a> <span class="sourceLineNo">210</span> setState(ProcedureProtos.ProcedureState.RUNNABLE);<a name="line.210"></a> <span class="sourceLineNo">211</span> if (LOG.isDebugEnabled()) LOG.debug("Calling wake on " + this.event);<a name="line.211"></a> -<span class="sourceLineNo">212</span> env.getProcedureScheduler().wakeEvent(event);<a name="line.212"></a> +<span class="sourceLineNo">212</span> event.wake(env.getProcedureScheduler());<a name="line.212"></a> <span class="sourceLineNo">213</span> }<a name="line.213"></a> <span class="sourceLineNo">214</span> }<a name="line.214"></a> <span class="sourceLineNo">215</span> return false; // false: do not mark the procedure as failed.<a name="line.215"></a> @@ -232,7 +232,7 @@ <span class="sourceLineNo">224</span> synchronized (event) {<a name="line.224"></a> <span class="sourceLineNo">225</span> if (!event.isReady()) {<a name="line.225"></a> <span class="sourceLineNo">226</span> setState(ProcedureProtos.ProcedureState.RUNNABLE);<a name="line.226"></a> -<span class="sourceLineNo">227</span> env.getProcedureScheduler().wakeEvent(event);<a name="line.227"></a> +<span class="sourceLineNo">227</span> event.wake(env.getProcedureScheduler());<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> @@ -252,8 +252,8 @@ <span class="sourceLineNo">244</span> return null;<a name="line.244"></a> <span class="sourceLineNo">245</span> }<a name="line.245"></a> <span class="sourceLineNo">246</span> synchronized (event) {<a name="line.246"></a> -<span class="sourceLineNo">247</span> env.getProcedureScheduler().suspendEvent(event);<a name="line.247"></a> -<span class="sourceLineNo">248</span> env.getProcedureScheduler().waitEvent(event, this);<a name="line.248"></a> +<span class="sourceLineNo">247</span> event.suspend();<a name="line.247"></a> +<span class="sourceLineNo">248</span> event.suspendIfNotReady(this);<a name="line.248"></a> <span class="sourceLineNo">249</span> setState(ProcedureProtos.ProcedureState.WAITING_TIMEOUT);<a name="line.249"></a> <span class="sourceLineNo">250</span> }<a name="line.250"></a> <span class="sourceLineNo">251</span> throw new ProcedureSuspendedException();<a name="line.251"></a> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/b9722a17/devapidocs/src-html/org/apache/hadoop/hbase/master/locking/LockProcedure.NamespaceExclusiveLock.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/locking/LockProcedure.NamespaceExclusiveLock.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/locking/LockProcedure.NamespaceExclusiveLock.html index a2d00f1..93e9e92 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/master/locking/LockProcedure.NamespaceExclusiveLock.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/locking/LockProcedure.NamespaceExclusiveLock.html @@ -217,7 +217,7 @@ <span class="sourceLineNo">209</span> if (!event.isReady()) { // Maybe unlock() awakened the event.<a name="line.209"></a> <span class="sourceLineNo">210</span> setState(ProcedureProtos.ProcedureState.RUNNABLE);<a name="line.210"></a> <span class="sourceLineNo">211</span> if (LOG.isDebugEnabled()) LOG.debug("Calling wake on " + this.event);<a name="line.211"></a> -<span class="sourceLineNo">212</span> env.getProcedureScheduler().wakeEvent(event);<a name="line.212"></a> +<span class="sourceLineNo">212</span> event.wake(env.getProcedureScheduler());<a name="line.212"></a> <span class="sourceLineNo">213</span> }<a name="line.213"></a> <span class="sourceLineNo">214</span> }<a name="line.214"></a> <span class="sourceLineNo">215</span> return false; // false: do not mark the procedure as failed.<a name="line.215"></a> @@ -232,7 +232,7 @@ <span class="sourceLineNo">224</span> synchronized (event) {<a name="line.224"></a> <span class="sourceLineNo">225</span> if (!event.isReady()) {<a name="line.225"></a> <span class="sourceLineNo">226</span> setState(ProcedureProtos.ProcedureState.RUNNABLE);<a name="line.226"></a> -<span class="sourceLineNo">227</span> env.getProcedureScheduler().wakeEvent(event);<a name="line.227"></a> +<span class="sourceLineNo">227</span> event.wake(env.getProcedureScheduler());<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> @@ -252,8 +252,8 @@ <span class="sourceLineNo">244</span> return null;<a name="line.244"></a> <span class="sourceLineNo">245</span> }<a name="line.245"></a> <span class="sourceLineNo">246</span> synchronized (event) {<a name="line.246"></a> -<span class="sourceLineNo">247</span> env.getProcedureScheduler().suspendEvent(event);<a name="line.247"></a> -<span class="sourceLineNo">248</span> env.getProcedureScheduler().waitEvent(event, this);<a name="line.248"></a> +<span class="sourceLineNo">247</span> event.suspend();<a name="line.247"></a> +<span class="sourceLineNo">248</span> event.suspendIfNotReady(this);<a name="line.248"></a> <span class="sourceLineNo">249</span> setState(ProcedureProtos.ProcedureState.WAITING_TIMEOUT);<a name="line.249"></a> <span class="sourceLineNo">250</span> }<a name="line.250"></a> <span class="sourceLineNo">251</span> throw new ProcedureSuspendedException();<a name="line.251"></a> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/b9722a17/devapidocs/src-html/org/apache/hadoop/hbase/master/locking/LockProcedure.RegionExclusiveLock.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/locking/LockProcedure.RegionExclusiveLock.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/locking/LockProcedure.RegionExclusiveLock.html index a2d00f1..93e9e92 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/master/locking/LockProcedure.RegionExclusiveLock.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/locking/LockProcedure.RegionExclusiveLock.html @@ -217,7 +217,7 @@ <span class="sourceLineNo">209</span> if (!event.isReady()) { // Maybe unlock() awakened the event.<a name="line.209"></a> <span class="sourceLineNo">210</span> setState(ProcedureProtos.ProcedureState.RUNNABLE);<a name="line.210"></a> <span class="sourceLineNo">211</span> if (LOG.isDebugEnabled()) LOG.debug("Calling wake on " + this.event);<a name="line.211"></a> -<span class="sourceLineNo">212</span> env.getProcedureScheduler().wakeEvent(event);<a name="line.212"></a> +<span class="sourceLineNo">212</span> event.wake(env.getProcedureScheduler());<a name="line.212"></a> <span class="sourceLineNo">213</span> }<a name="line.213"></a> <span class="sourceLineNo">214</span> }<a name="line.214"></a> <span class="sourceLineNo">215</span> return false; // false: do not mark the procedure as failed.<a name="line.215"></a> @@ -232,7 +232,7 @@ <span class="sourceLineNo">224</span> synchronized (event) {<a name="line.224"></a> <span class="sourceLineNo">225</span> if (!event.isReady()) {<a name="line.225"></a> <span class="sourceLineNo">226</span> setState(ProcedureProtos.ProcedureState.RUNNABLE);<a name="line.226"></a> -<span class="sourceLineNo">227</span> env.getProcedureScheduler().wakeEvent(event);<a name="line.227"></a> +<span class="sourceLineNo">227</span> event.wake(env.getProcedureScheduler());<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> @@ -252,8 +252,8 @@ <span class="sourceLineNo">244</span> return null;<a name="line.244"></a> <span class="sourceLineNo">245</span> }<a name="line.245"></a> <span class="sourceLineNo">246</span> synchronized (event) {<a name="line.246"></a> -<span class="sourceLineNo">247</span> env.getProcedureScheduler().suspendEvent(event);<a name="line.247"></a> -<span class="sourceLineNo">248</span> env.getProcedureScheduler().waitEvent(event, this);<a name="line.248"></a> +<span class="sourceLineNo">247</span> event.suspend();<a name="line.247"></a> +<span class="sourceLineNo">248</span> event.suspendIfNotReady(this);<a name="line.248"></a> <span class="sourceLineNo">249</span> setState(ProcedureProtos.ProcedureState.WAITING_TIMEOUT);<a name="line.249"></a> <span class="sourceLineNo">250</span> }<a name="line.250"></a> <span class="sourceLineNo">251</span> throw new ProcedureSuspendedException();<a name="line.251"></a> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/b9722a17/devapidocs/src-html/org/apache/hadoop/hbase/master/locking/LockProcedure.TableExclusiveLock.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/locking/LockProcedure.TableExclusiveLock.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/locking/LockProcedure.TableExclusiveLock.html index a2d00f1..93e9e92 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/master/locking/LockProcedure.TableExclusiveLock.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/locking/LockProcedure.TableExclusiveLock.html @@ -217,7 +217,7 @@ <span class="sourceLineNo">209</span> if (!event.isReady()) { // Maybe unlock() awakened the event.<a name="line.209"></a> <span class="sourceLineNo">210</span> setState(ProcedureProtos.ProcedureState.RUNNABLE);<a name="line.210"></a> <span class="sourceLineNo">211</span> if (LOG.isDebugEnabled()) LOG.debug("Calling wake on " + this.event);<a name="line.211"></a> -<span class="sourceLineNo">212</span> env.getProcedureScheduler().wakeEvent(event);<a name="line.212"></a> +<span class="sourceLineNo">212</span> event.wake(env.getProcedureScheduler());<a name="line.212"></a> <span class="sourceLineNo">213</span> }<a name="line.213"></a> <span class="sourceLineNo">214</span> }<a name="line.214"></a> <span class="sourceLineNo">215</span> return false; // false: do not mark the procedure as failed.<a name="line.215"></a> @@ -232,7 +232,7 @@ <span class="sourceLineNo">224</span> synchronized (event) {<a name="line.224"></a> <span class="sourceLineNo">225</span> if (!event.isReady()) {<a name="line.225"></a> <span class="sourceLineNo">226</span> setState(ProcedureProtos.ProcedureState.RUNNABLE);<a name="line.226"></a> -<span class="sourceLineNo">227</span> env.getProcedureScheduler().wakeEvent(event);<a name="line.227"></a> +<span class="sourceLineNo">227</span> event.wake(env.getProcedureScheduler());<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> @@ -252,8 +252,8 @@ <span class="sourceLineNo">244</span> return null;<a name="line.244"></a> <span class="sourceLineNo">245</span> }<a name="line.245"></a> <span class="sourceLineNo">246</span> synchronized (event) {<a name="line.246"></a> -<span class="sourceLineNo">247</span> env.getProcedureScheduler().suspendEvent(event);<a name="line.247"></a> -<span class="sourceLineNo">248</span> env.getProcedureScheduler().waitEvent(event, this);<a name="line.248"></a> +<span class="sourceLineNo">247</span> event.suspend();<a name="line.247"></a> +<span class="sourceLineNo">248</span> event.suspendIfNotReady(this);<a name="line.248"></a> <span class="sourceLineNo">249</span> setState(ProcedureProtos.ProcedureState.WAITING_TIMEOUT);<a name="line.249"></a> <span class="sourceLineNo">250</span> }<a name="line.250"></a> <span class="sourceLineNo">251</span> throw new ProcedureSuspendedException();<a name="line.251"></a> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/b9722a17/devapidocs/src-html/org/apache/hadoop/hbase/master/locking/LockProcedure.TableSharedLock.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/locking/LockProcedure.TableSharedLock.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/locking/LockProcedure.TableSharedLock.html index a2d00f1..93e9e92 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/master/locking/LockProcedure.TableSharedLock.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/locking/LockProcedure.TableSharedLock.html @@ -217,7 +217,7 @@ <span class="sourceLineNo">209</span> if (!event.isReady()) { // Maybe unlock() awakened the event.<a name="line.209"></a> <span class="sourceLineNo">210</span> setState(ProcedureProtos.ProcedureState.RUNNABLE);<a name="line.210"></a> <span class="sourceLineNo">211</span> if (LOG.isDebugEnabled()) LOG.debug("Calling wake on " + this.event);<a name="line.211"></a> -<span class="sourceLineNo">212</span> env.getProcedureScheduler().wakeEvent(event);<a name="line.212"></a> +<span class="sourceLineNo">212</span> event.wake(env.getProcedureScheduler());<a name="line.212"></a> <span class="sourceLineNo">213</span> }<a name="line.213"></a> <span class="sourceLineNo">214</span> }<a name="line.214"></a> <span class="sourceLineNo">215</span> return false; // false: do not mark the procedure as failed.<a name="line.215"></a> @@ -232,7 +232,7 @@ <span class="sourceLineNo">224</span> synchronized (event) {<a name="line.224"></a> <span class="sourceLineNo">225</span> if (!event.isReady()) {<a name="line.225"></a> <span class="sourceLineNo">226</span> setState(ProcedureProtos.ProcedureState.RUNNABLE);<a name="line.226"></a> -<span class="sourceLineNo">227</span> env.getProcedureScheduler().wakeEvent(event);<a name="line.227"></a> +<span class="sourceLineNo">227</span> event.wake(env.getProcedureScheduler());<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> @@ -252,8 +252,8 @@ <span class="sourceLineNo">244</span> return null;<a name="line.244"></a> <span class="sourceLineNo">245</span> }<a name="line.245"></a> <span class="sourceLineNo">246</span> synchronized (event) {<a name="line.246"></a> -<span class="sourceLineNo">247</span> env.getProcedureScheduler().suspendEvent(event);<a name="line.247"></a> -<span class="sourceLineNo">248</span> env.getProcedureScheduler().waitEvent(event, this);<a name="line.248"></a> +<span class="sourceLineNo">247</span> event.suspend();<a name="line.247"></a> +<span class="sourceLineNo">248</span> event.suspendIfNotReady(this);<a name="line.248"></a> <span class="sourceLineNo">249</span> setState(ProcedureProtos.ProcedureState.WAITING_TIMEOUT);<a name="line.249"></a> <span class="sourceLineNo">250</span> }<a name="line.250"></a> <span class="sourceLineNo">251</span> throw new ProcedureSuspendedException();<a name="line.251"></a> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/b9722a17/devapidocs/src-html/org/apache/hadoop/hbase/master/locking/LockProcedure.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/locking/LockProcedure.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/locking/LockProcedure.html index a2d00f1..93e9e92 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/master/locking/LockProcedure.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/locking/LockProcedure.html @@ -217,7 +217,7 @@ <span class="sourceLineNo">209</span> if (!event.isReady()) { // Maybe unlock() awakened the event.<a name="line.209"></a> <span class="sourceLineNo">210</span> setState(ProcedureProtos.ProcedureState.RUNNABLE);<a name="line.210"></a> <span class="sourceLineNo">211</span> if (LOG.isDebugEnabled()) LOG.debug("Calling wake on " + this.event);<a name="line.211"></a> -<span class="sourceLineNo">212</span> env.getProcedureScheduler().wakeEvent(event);<a name="line.212"></a> +<span class="sourceLineNo">212</span> event.wake(env.getProcedureScheduler());<a name="line.212"></a> <span class="sourceLineNo">213</span> }<a name="line.213"></a> <span class="sourceLineNo">214</span> }<a name="line.214"></a> <span class="sourceLineNo">215</span> return false; // false: do not mark the procedure as failed.<a name="line.215"></a> @@ -232,7 +232,7 @@ <span class="sourceLineNo">224</span> synchronized (event) {<a name="line.224"></a> <span class="sourceLineNo">225</span> if (!event.isReady()) {<a name="line.225"></a> <span class="sourceLineNo">226</span> setState(ProcedureProtos.ProcedureState.RUNNABLE);<a name="line.226"></a> -<span class="sourceLineNo">227</span> env.getProcedureScheduler().wakeEvent(event);<a name="line.227"></a> +<span class="sourceLineNo">227</span> event.wake(env.getProcedureScheduler());<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> @@ -252,8 +252,8 @@ <span class="sourceLineNo">244</span> return null;<a name="line.244"></a> <span class="sourceLineNo">245</span> }<a name="line.245"></a> <span class="sourceLineNo">246</span> synchronized (event) {<a name="line.246"></a> -<span class="sourceLineNo">247</span> env.getProcedureScheduler().suspendEvent(event);<a name="line.247"></a> -<span class="sourceLineNo">248</span> env.getProcedureScheduler().waitEvent(event, this);<a name="line.248"></a> +<span class="sourceLineNo">247</span> event.suspend();<a name="line.247"></a> +<span class="sourceLineNo">248</span> event.suspendIfNotReady(this);<a name="line.248"></a> <span class="sourceLineNo">249</span> setState(ProcedureProtos.ProcedureState.WAITING_TIMEOUT);<a name="line.249"></a> <span class="sourceLineNo">250</span> }<a name="line.250"></a> <span class="sourceLineNo">251</span> throw new ProcedureSuspendedException();<a name="line.251"></a> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/b9722a17/devapidocs/src-html/org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.MasterProcedureStoreListener.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.MasterProcedureStoreListener.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.MasterProcedureStoreListener.html index 0b9d890..d852fd0 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.MasterProcedureStoreListener.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.MasterProcedureStoreListener.html @@ -155,25 +155,25 @@ <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> public boolean waitInitialized(Procedure proc) {<a name="line.149"></a> -<span class="sourceLineNo">150</span> return procSched.waitEvent(master.getInitializedEvent(), proc);<a name="line.150"></a> +<span class="sourceLineNo">150</span> return master.getInitializedEvent().suspendIfNotReady(proc);<a name="line.150"></a> <span class="sourceLineNo">151</span> }<a name="line.151"></a> <span class="sourceLineNo">152</span><a name="line.152"></a> <span class="sourceLineNo">153</span> public boolean waitServerCrashProcessingEnabled(Procedure proc) {<a name="line.153"></a> <span class="sourceLineNo">154</span> if (master instanceof HMaster) {<a name="line.154"></a> -<span class="sourceLineNo">155</span> return procSched.waitEvent(((HMaster)master).getServerCrashProcessingEnabledEvent(), proc);<a name="line.155"></a> +<span class="sourceLineNo">155</span> return ((HMaster)master).getServerCrashProcessingEnabledEvent().suspendIfNotReady(proc);<a name="line.155"></a> <span class="sourceLineNo">156</span> }<a name="line.156"></a> <span class="sourceLineNo">157</span> return false;<a name="line.157"></a> <span class="sourceLineNo">158</span> }<a name="line.158"></a> <span class="sourceLineNo">159</span><a name="line.159"></a> <span class="sourceLineNo">160</span> public boolean waitFailoverCleanup(Procedure proc) {<a name="line.160"></a> -<span class="sourceLineNo">161</span> return procSched.waitEvent(master.getAssignmentManager().getFailoverCleanupEvent(), proc);<a name="line.161"></a> +<span class="sourceLineNo">161</span> return master.getAssignmentManager().getFailoverCleanupEvent().suspendIfNotReady(proc);<a name="line.161"></a> <span class="sourceLineNo">162</span> }<a name="line.162"></a> <span class="sourceLineNo">163</span><a name="line.163"></a> <span class="sourceLineNo">164</span> public void setEventReady(ProcedureEvent event, boolean isReady) {<a name="line.164"></a> <span class="sourceLineNo">165</span> if (isReady) {<a name="line.165"></a> -<span class="sourceLineNo">166</span> procSched.wakeEvent(event);<a name="line.166"></a> +<span class="sourceLineNo">166</span> event.wake(procSched);<a name="line.166"></a> <span class="sourceLineNo">167</span> } else {<a name="line.167"></a> -<span class="sourceLineNo">168</span> procSched.suspendEvent(event);<a name="line.168"></a> +<span class="sourceLineNo">168</span> event.suspend();<a name="line.168"></a> <span class="sourceLineNo">169</span> }<a name="line.169"></a> <span class="sourceLineNo">170</span> }<a name="line.170"></a> <span class="sourceLineNo">171</span><a name="line.171"></a>
