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| <pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> */<a name="line.17"></a> |
| <span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.master.janitor;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import java.io.IOException;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import org.apache.hadoop.hbase.CatalogFamilyFormat;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import org.apache.hadoop.hbase.ClientMetaTableAccessor;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.apache.hadoop.hbase.HConstants;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.HRegionLocation;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.RegionLocations;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.ServerName;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.client.RegionInfoBuilder;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.client.Result;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.client.TableState;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.master.MasterServices;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.master.RegionState;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.master.ServerManager;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.slf4j.Logger;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.slf4j.LoggerFactory;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span><a name="line.39"></a> |
| <span class="sourceLineNo">040</span>/**<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> * Visitor we use in here in CatalogJanitor to go against hbase:meta table. Generates a Report made<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> * of a collection of split parents and counts of rows in the hbase:meta table. Also runs hbase:meta<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> * consistency checks to generate more report. Report is NOT ready until after this visitor has been<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> * {@link #close()}'d.<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> */<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>@InterfaceAudience.Private<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>class ReportMakingVisitor implements ClientMetaTableAccessor.CloseableVisitor {<a name="line.47"></a> |
| <span class="sourceLineNo">048</span><a name="line.48"></a> |
| <span class="sourceLineNo">049</span> private static final Logger LOG = LoggerFactory.getLogger(ReportMakingVisitor.class);<a name="line.49"></a> |
| <span class="sourceLineNo">050</span><a name="line.50"></a> |
| <span class="sourceLineNo">051</span> private final MasterServices services;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> private volatile boolean closed;<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> * Report is not done until after the close has been called.<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> */<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> private Report report = new Report();<a name="line.57"></a> |
| <span class="sourceLineNo">058</span><a name="line.58"></a> |
| <span class="sourceLineNo">059</span> /**<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> * RegionInfo from previous row.<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> */<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> private RegionInfo previous = null;<a name="line.62"></a> |
| <span class="sourceLineNo">063</span><a name="line.63"></a> |
| <span class="sourceLineNo">064</span> /**<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> * Keep account of the highest end key seen as we move through hbase:meta. Usually, the current<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> * RegionInfo has the highest end key but if an overlap, this may no longer hold. An overlap may<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> * be a region with startkey 'd' and endkey 'g'. The next region in meta may be 'e' to 'f' and<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> * then 'f' to 'g'. Looking at previous and current meta row, we won't know about the 'd' to 'g'<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> * overlap unless we keep a running 'highest-endpoint-seen'.<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> */<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> private RegionInfo highestEndKeyRegionInfo = null;<a name="line.71"></a> |
| <span class="sourceLineNo">072</span><a name="line.72"></a> |
| <span class="sourceLineNo">073</span> ReportMakingVisitor(MasterServices services) {<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> this.services = services;<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> }<a name="line.75"></a> |
| <span class="sourceLineNo">076</span><a name="line.76"></a> |
| <span class="sourceLineNo">077</span> /**<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> * Do not call until after {@link #close()}. Will throw a {@link RuntimeException} if you do.<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> */<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> Report getReport() {<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> if (!this.closed) {<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> throw new RuntimeException("Report not ready until after close()");<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> }<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> return this.report;<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> @Override<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> public boolean visit(Result r) {<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> if (r == null || r.isEmpty()) {<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> return true;<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> }<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> this.report.count++;<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> RegionInfo regionInfo = null;<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> try {<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> regionInfo = metaTableConsistencyCheck(r);<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> } catch (Throwable t) {<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> LOG.warn("Failed consistency check on {}", Bytes.toStringBinary(r.getRow()), t);<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> }<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> if (regionInfo != null) {<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> LOG.trace(regionInfo.toString());<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> if (regionInfo.isSplitParent()) { // splitParent means split and offline.<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> this.report.splitParents.put(regionInfo, r);<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> }<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> if (CatalogFamilyFormat.hasMergeRegions(r.rawCells())) {<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> this.report.mergedRegions.put(regionInfo, r);<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> // Returning true means "keep scanning"<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> return true;<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> }<a name="line.110"></a> |
| <span class="sourceLineNo">111</span><a name="line.111"></a> |
| <span class="sourceLineNo">112</span> /**<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> * Check row.<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> * @param metaTableRow Row from hbase:meta table.<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> * @return Returns default regioninfo found in row parse as a convenience to save on having to do<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> * a double-parse of Result.<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> */<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> private RegionInfo metaTableConsistencyCheck(Result metaTableRow) {<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> RegionInfo ri;<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> // Locations comes back null if the RegionInfo field is empty.<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> // If locations is null, ensure the regioninfo is for sure empty before progressing.<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> // If really empty, report as missing regioninfo! Otherwise, can run server check<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> // and get RegionInfo from locations.<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> RegionLocations locations = CatalogFamilyFormat.getRegionLocations(metaTableRow);<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> if (locations == null) {<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> ri = CatalogFamilyFormat.getRegionInfo(metaTableRow, HConstants.REGIONINFO_QUALIFIER);<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> } else {<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> ri = locations.getDefaultRegionLocation().getRegion();<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> checkServer(locations);<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> }<a name="line.130"></a> |
| <span class="sourceLineNo">131</span><a name="line.131"></a> |
| <span class="sourceLineNo">132</span> if (ri == null) {<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> this.report.emptyRegionInfo.add(metaTableRow.getRow());<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> return ri;<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> }<a name="line.135"></a> |
| <span class="sourceLineNo">136</span><a name="line.136"></a> |
| <span class="sourceLineNo">137</span> if (!Bytes.equals(metaTableRow.getRow(), ri.getRegionName())) {<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> LOG.warn(<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> "INCONSISTENCY: Row name is not equal to serialized info:regioninfo content; " +<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> "row={} {}; See if RegionInfo is referenced in another hbase:meta row? Delete?",<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> Bytes.toStringBinary(metaTableRow.getRow()), ri.getRegionNameAsString());<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> return null;<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> }<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> // Skip split parent region<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> if (ri.isSplitParent()) {<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> return ri;<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> }<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> // If table is disabled, skip integrity check.<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> if (!isTableDisabled(ri)) {<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> if (isTableTransition(ri)) {<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> // HBCK1 used to have a special category for missing start or end keys.<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> // We'll just lump them in as 'holes'.<a name="line.152"></a> |
| <span class="sourceLineNo">153</span><a name="line.153"></a> |
| <span class="sourceLineNo">154</span> // This is a table transition. If this region is not first region, report a hole.<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> if (!ri.isFirst()) {<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> addHole(RegionInfoBuilder.UNDEFINED, ri);<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> }<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> // This is a table transition. If last region was not last region of previous table,<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> // report a hole<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> if (this.previous != null && !this.previous.isLast()) {<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> addHole(this.previous, RegionInfoBuilder.UNDEFINED);<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> }<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> } else {<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> if (!this.previous.isNext(ri)) {<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> if (this.previous.isOverlap(ri)) {<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> addOverlap(this.previous, ri);<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> } else if (ri.isOverlap(this.highestEndKeyRegionInfo)) {<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> // We may have seen a region a few rows back that overlaps this one.<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> addOverlap(this.highestEndKeyRegionInfo, ri);<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> } else if (!this.highestEndKeyRegionInfo.isNext(ri)) {<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> // Need to check the case if this.highestEndKeyRegionInfo.isNext(ri). If no,<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> // report a hole, otherwise, it is ok. For an example,<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> // previous: [aa, bb), ri: [cc, dd), highestEndKeyRegionInfo: [a, cc)<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> // In this case, it should not report a hole, as highestEndKeyRegionInfo covers<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> // the hole between previous and ri.<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> addHole(this.previous, ri);<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> }<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> } else if (ri.isOverlap(this.highestEndKeyRegionInfo)) {<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> // We may have seen a region a few rows back that overlaps this one<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> // even though it properly 'follows' the region just before.<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> addOverlap(this.highestEndKeyRegionInfo, ri);<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> }<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> }<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> }<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> this.previous = ri;<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> this.highestEndKeyRegionInfo =<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> MetaFixer.getRegionInfoWithLargestEndKey(this.highestEndKeyRegionInfo, ri);<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> return ri;<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> private void addOverlap(RegionInfo a, RegionInfo b) {<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> this.report.overlaps.add(new Pair<>(a, b));<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> }<a name="line.193"></a> |
| <span class="sourceLineNo">194</span><a name="line.194"></a> |
| <span class="sourceLineNo">195</span> private void addHole(RegionInfo a, RegionInfo b) {<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> this.report.holes.add(new Pair<>(a, b));<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> }<a name="line.197"></a> |
| <span class="sourceLineNo">198</span><a name="line.198"></a> |
| <span class="sourceLineNo">199</span> /**<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> * @return True if table is disabled or disabling; defaults false!<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> */<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> boolean isTableDisabled(RegionInfo ri) {<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> if (ri == null) {<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> return false;<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> }<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> if (this.services == null) {<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> return false;<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> }<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> if (this.services.getTableStateManager() == null) {<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> return false;<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> }<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> TableState state = null;<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> try {<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> state = this.services.getTableStateManager().getTableState(ri.getTable());<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> } catch (IOException e) {<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> LOG.warn("Failed getting table state", e);<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> }<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> return state != null && state.isDisabledOrDisabling();<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> }<a name="line.219"></a> |
| <span class="sourceLineNo">220</span><a name="line.220"></a> |
| <span class="sourceLineNo">221</span> /**<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> * Run through referenced servers and save off unknown and the dead.<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> */<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> private void checkServer(RegionLocations locations) {<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> if (this.services == null) {<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> // Can't do this test if no services.<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> return;<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> }<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> if (locations == null) {<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> return;<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> }<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> if (locations.getRegionLocations() == null) {<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> return;<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> }<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> // Check referenced servers are known/online. Here we are looking<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> // at both the default replica -- the main replica -- and then replica<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> // locations too.<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> for (HRegionLocation location : locations.getRegionLocations()) {<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> if (location == null) {<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> continue;<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> }<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> ServerName sn = location.getServerName();<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> if (sn == null) {<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> continue;<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> }<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> if (location.getRegion() == null) {<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> LOG.warn("Empty RegionInfo in {}", location);<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> // This should never happen but if it does, will mess up below.<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> continue;<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> }<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> RegionInfo ri = location.getRegion();<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> // Skip split parent region<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> if (ri.isSplitParent()) {<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> continue;<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> }<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> // skip the offline regions which belong to disabled table.<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> if (isTableDisabled(ri)) {<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> continue;<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> }<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> RegionState rs = this.services.getAssignmentManager().getRegionStates().getRegionState(ri);<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> if (rs == null || rs.isClosedOrAbnormallyClosed()) {<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> // If closed against an 'Unknown Server', that is should be fine.<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> continue;<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> }<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> ServerManager.ServerLiveState state =<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> this.services.getServerManager().isServerKnownAndOnline(sn);<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> switch (state) {<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> case UNKNOWN:<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> this.report.unknownServers.add(new Pair<>(ri, sn));<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> break;<a name="line.270"></a> |
| <span class="sourceLineNo">271</span><a name="line.271"></a> |
| <span class="sourceLineNo">272</span> default:<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> break;<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><a name="line.277"></a> |
| <span class="sourceLineNo">278</span> /**<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> * @return True iff first row in hbase:meta or if we've broached a new table in hbase:meta<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> */<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> private boolean isTableTransition(RegionInfo ri) {<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> return this.previous == null || !this.previous.getTable().equals(ri.getTable());<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> }<a name="line.283"></a> |
| <span class="sourceLineNo">284</span><a name="line.284"></a> |
| <span class="sourceLineNo">285</span> @Override<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> public void close() throws IOException {<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> // This is a table transition... after the last region. Check previous.<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> // Should be last region. If not, its a hole on end of laster table.<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> if (this.previous != null && !this.previous.isLast()) {<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> addHole(this.previous, RegionInfoBuilder.UNDEFINED);<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> }<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> this.closed = true;<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> }<a name="line.293"></a> |
| <span class="sourceLineNo">294</span>}<a name="line.294"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
