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Posted to commits@hbase.apache.org by gi...@apache.org on 2018/09/19 14:53:12 UTC
[02/13] hbase-site git commit: Published site at
69431c75c16d8d863932815f0460322153a25dbb.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/007d5b63/devapidocs/src-html/org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.html
index e478f39..dee066e 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.html
@@ -59,1589 +59,1591 @@
<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.master.MasterServices;<a name="line.51"></a>
<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.master.RackManager;<a name="line.52"></a>
<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.master.RegionPlan;<a name="line.53"></a>
-<span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.Cluster.Action.Type;<a name="line.54"></a>
-<span class="sourceLineNo">055</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.55"></a>
-<span class="sourceLineNo">056</span>import org.apache.hbase.thirdparty.com.google.common.base.Joiner;<a name="line.56"></a>
-<span class="sourceLineNo">057</span>import org.apache.hbase.thirdparty.com.google.common.collect.ArrayListMultimap;<a name="line.57"></a>
-<span class="sourceLineNo">058</span>import org.apache.hbase.thirdparty.com.google.common.collect.Lists;<a name="line.58"></a>
-<span class="sourceLineNo">059</span>import org.apache.hbase.thirdparty.com.google.common.collect.Sets;<a name="line.59"></a>
-<span class="sourceLineNo">060</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.60"></a>
-<span class="sourceLineNo">061</span>import org.slf4j.Logger;<a name="line.61"></a>
-<span class="sourceLineNo">062</span>import org.slf4j.LoggerFactory;<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> * The base class for load balancers. It provides the the functions used to by<a name="line.65"></a>
-<span class="sourceLineNo">066</span> * {@link org.apache.hadoop.hbase.master.assignment.AssignmentManager} to assign regions<a name="line.66"></a>
-<span class="sourceLineNo">067</span> * in the edge cases. It doesn't provide an implementation of the<a name="line.67"></a>
-<span class="sourceLineNo">068</span> * actual balancing algorithm.<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>@InterfaceAudience.Private<a name="line.71"></a>
-<span class="sourceLineNo">072</span>public abstract class BaseLoadBalancer implements LoadBalancer {<a name="line.72"></a>
-<span class="sourceLineNo">073</span> protected static final int MIN_SERVER_BALANCE = 2;<a name="line.73"></a>
-<span class="sourceLineNo">074</span> private volatile boolean stopped = false;<a name="line.74"></a>
-<span class="sourceLineNo">075</span><a name="line.75"></a>
-<span class="sourceLineNo">076</span> private static final List<RegionInfo> EMPTY_REGION_LIST = new ArrayList<>(0);<a name="line.76"></a>
-<span class="sourceLineNo">077</span><a name="line.77"></a>
-<span class="sourceLineNo">078</span> static final Predicate<ServerMetrics> IDLE_SERVER_PREDICATOR<a name="line.78"></a>
-<span class="sourceLineNo">079</span> = load -> load.getRegionMetrics().isEmpty();<a name="line.79"></a>
-<span class="sourceLineNo">080</span><a name="line.80"></a>
-<span class="sourceLineNo">081</span> protected RegionLocationFinder regionFinder;<a name="line.81"></a>
-<span class="sourceLineNo">082</span> protected boolean useRegionFinder;<a name="line.82"></a>
-<span class="sourceLineNo">083</span><a name="line.83"></a>
-<span class="sourceLineNo">084</span> private static class DefaultRackManager extends RackManager {<a name="line.84"></a>
-<span class="sourceLineNo">085</span> @Override<a name="line.85"></a>
-<span class="sourceLineNo">086</span> public String getRack(ServerName server) {<a name="line.86"></a>
-<span class="sourceLineNo">087</span> return UNKNOWN_RACK;<a name="line.87"></a>
-<span class="sourceLineNo">088</span> }<a name="line.88"></a>
-<span class="sourceLineNo">089</span> }<a name="line.89"></a>
-<span class="sourceLineNo">090</span><a name="line.90"></a>
-<span class="sourceLineNo">091</span> /**<a name="line.91"></a>
-<span class="sourceLineNo">092</span> * The constructor that uses the basic MetricsBalancer<a name="line.92"></a>
-<span class="sourceLineNo">093</span> */<a name="line.93"></a>
-<span class="sourceLineNo">094</span> protected BaseLoadBalancer() {<a name="line.94"></a>
-<span class="sourceLineNo">095</span> metricsBalancer = new MetricsBalancer();<a name="line.95"></a>
-<span class="sourceLineNo">096</span> createRegionFinder();<a name="line.96"></a>
-<span class="sourceLineNo">097</span> }<a name="line.97"></a>
-<span class="sourceLineNo">098</span><a name="line.98"></a>
-<span class="sourceLineNo">099</span> /**<a name="line.99"></a>
-<span class="sourceLineNo">100</span> * This Constructor accepts an instance of MetricsBalancer,<a name="line.100"></a>
-<span class="sourceLineNo">101</span> * which will be used instead of creating a new one<a name="line.101"></a>
-<span class="sourceLineNo">102</span> */<a name="line.102"></a>
-<span class="sourceLineNo">103</span> protected BaseLoadBalancer(MetricsBalancer metricsBalancer) {<a name="line.103"></a>
-<span class="sourceLineNo">104</span> this.metricsBalancer = (metricsBalancer != null) ? metricsBalancer : new MetricsBalancer();<a name="line.104"></a>
-<span class="sourceLineNo">105</span> createRegionFinder();<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> private void createRegionFinder() {<a name="line.108"></a>
-<span class="sourceLineNo">109</span> useRegionFinder = config.getBoolean("hbase.master.balancer.uselocality", true);<a name="line.109"></a>
-<span class="sourceLineNo">110</span> if (useRegionFinder) {<a name="line.110"></a>
-<span class="sourceLineNo">111</span> regionFinder = new RegionLocationFinder();<a name="line.111"></a>
-<span class="sourceLineNo">112</span> }<a name="line.112"></a>
-<span class="sourceLineNo">113</span> }<a name="line.113"></a>
-<span class="sourceLineNo">114</span><a name="line.114"></a>
-<span class="sourceLineNo">115</span> /**<a name="line.115"></a>
-<span class="sourceLineNo">116</span> * An efficient array based implementation similar to ClusterState for keeping<a name="line.116"></a>
-<span class="sourceLineNo">117</span> * the status of the cluster in terms of region assignment and distribution.<a name="line.117"></a>
-<span class="sourceLineNo">118</span> * LoadBalancers, such as StochasticLoadBalancer uses this Cluster object because of<a name="line.118"></a>
-<span class="sourceLineNo">119</span> * hundreds of thousands of hashmap manipulations are very costly, which is why this<a name="line.119"></a>
-<span class="sourceLineNo">120</span> * class uses mostly indexes and arrays.<a name="line.120"></a>
-<span class="sourceLineNo">121</span> *<a name="line.121"></a>
-<span class="sourceLineNo">122</span> * Cluster tracks a list of unassigned regions, region assignments, and the server<a name="line.122"></a>
-<span class="sourceLineNo">123</span> * topology in terms of server names, hostnames and racks.<a name="line.123"></a>
-<span class="sourceLineNo">124</span> */<a name="line.124"></a>
-<span class="sourceLineNo">125</span> protected static class Cluster {<a name="line.125"></a>
-<span class="sourceLineNo">126</span> ServerName[] servers;<a name="line.126"></a>
-<span class="sourceLineNo">127</span> String[] hosts; // ServerName uniquely identifies a region server. multiple RS can run on the same host<a name="line.127"></a>
-<span class="sourceLineNo">128</span> String[] racks;<a name="line.128"></a>
-<span class="sourceLineNo">129</span> boolean multiServersPerHost = false; // whether or not any host has more than one server<a name="line.129"></a>
-<span class="sourceLineNo">130</span><a name="line.130"></a>
-<span class="sourceLineNo">131</span> ArrayList<String> tables;<a name="line.131"></a>
-<span class="sourceLineNo">132</span> RegionInfo[] regions;<a name="line.132"></a>
-<span class="sourceLineNo">133</span> Deque<BalancerRegionLoad>[] regionLoads;<a name="line.133"></a>
-<span class="sourceLineNo">134</span> private RegionLocationFinder regionFinder;<a name="line.134"></a>
-<span class="sourceLineNo">135</span><a name="line.135"></a>
-<span class="sourceLineNo">136</span> int[][] regionLocations; //regionIndex -> list of serverIndex sorted by locality<a name="line.136"></a>
-<span class="sourceLineNo">137</span><a name="line.137"></a>
-<span class="sourceLineNo">138</span> int[] serverIndexToHostIndex; //serverIndex -> host index<a name="line.138"></a>
-<span class="sourceLineNo">139</span> int[] serverIndexToRackIndex; //serverIndex -> rack index<a name="line.139"></a>
-<span class="sourceLineNo">140</span><a name="line.140"></a>
-<span class="sourceLineNo">141</span> int[][] regionsPerServer; //serverIndex -> region list<a name="line.141"></a>
-<span class="sourceLineNo">142</span> int[][] regionsPerHost; //hostIndex -> list of regions<a name="line.142"></a>
-<span class="sourceLineNo">143</span> int[][] regionsPerRack; //rackIndex -> region list<a name="line.143"></a>
-<span class="sourceLineNo">144</span> int[][] primariesOfRegionsPerServer; //serverIndex -> sorted list of regions by primary region index<a name="line.144"></a>
-<span class="sourceLineNo">145</span> int[][] primariesOfRegionsPerHost; //hostIndex -> sorted list of regions by primary region index<a name="line.145"></a>
-<span class="sourceLineNo">146</span> int[][] primariesOfRegionsPerRack; //rackIndex -> sorted list of regions by primary region index<a name="line.146"></a>
-<span class="sourceLineNo">147</span><a name="line.147"></a>
-<span class="sourceLineNo">148</span> int[][] serversPerHost; //hostIndex -> list of server indexes<a name="line.148"></a>
-<span class="sourceLineNo">149</span> int[][] serversPerRack; //rackIndex -> list of server indexes<a name="line.149"></a>
-<span class="sourceLineNo">150</span> int[] regionIndexToServerIndex; //regionIndex -> serverIndex<a name="line.150"></a>
-<span class="sourceLineNo">151</span> int[] initialRegionIndexToServerIndex; //regionIndex -> serverIndex (initial cluster state)<a name="line.151"></a>
-<span class="sourceLineNo">152</span> int[] regionIndexToTableIndex; //regionIndex -> tableIndex<a name="line.152"></a>
-<span class="sourceLineNo">153</span> int[][] numRegionsPerServerPerTable; //serverIndex -> tableIndex -> # regions<a name="line.153"></a>
-<span class="sourceLineNo">154</span> int[] numMaxRegionsPerTable; //tableIndex -> max number of regions in a single RS<a name="line.154"></a>
-<span class="sourceLineNo">155</span> int[] regionIndexToPrimaryIndex; //regionIndex -> regionIndex of the primary<a name="line.155"></a>
-<span class="sourceLineNo">156</span> boolean hasRegionReplicas = false; //whether there is regions with replicas<a name="line.156"></a>
-<span class="sourceLineNo">157</span><a name="line.157"></a>
-<span class="sourceLineNo">158</span> Integer[] serverIndicesSortedByRegionCount;<a name="line.158"></a>
-<span class="sourceLineNo">159</span> Integer[] serverIndicesSortedByLocality;<a name="line.159"></a>
-<span class="sourceLineNo">160</span><a name="line.160"></a>
-<span class="sourceLineNo">161</span> Map<String, Integer> serversToIndex;<a name="line.161"></a>
-<span class="sourceLineNo">162</span> Map<String, Integer> hostsToIndex;<a name="line.162"></a>
-<span class="sourceLineNo">163</span> Map<String, Integer> racksToIndex;<a name="line.163"></a>
-<span class="sourceLineNo">164</span> Map<String, Integer> tablesToIndex;<a name="line.164"></a>
-<span class="sourceLineNo">165</span> Map<RegionInfo, Integer> regionsToIndex;<a name="line.165"></a>
-<span class="sourceLineNo">166</span> float[] localityPerServer;<a name="line.166"></a>
-<span class="sourceLineNo">167</span><a name="line.167"></a>
-<span class="sourceLineNo">168</span> int numServers;<a name="line.168"></a>
-<span class="sourceLineNo">169</span> int numHosts;<a name="line.169"></a>
-<span class="sourceLineNo">170</span> int numRacks;<a name="line.170"></a>
-<span class="sourceLineNo">171</span> int numTables;<a name="line.171"></a>
-<span class="sourceLineNo">172</span> int numRegions;<a name="line.172"></a>
-<span class="sourceLineNo">173</span><a name="line.173"></a>
-<span class="sourceLineNo">174</span> int numMovedRegions = 0; //num moved regions from the initial configuration<a name="line.174"></a>
-<span class="sourceLineNo">175</span> Map<ServerName, List<RegionInfo>> clusterState;<a name="line.175"></a>
-<span class="sourceLineNo">176</span><a name="line.176"></a>
-<span class="sourceLineNo">177</span> protected final RackManager rackManager;<a name="line.177"></a>
-<span class="sourceLineNo">178</span> // Maps region -> rackIndex -> locality of region on rack<a name="line.178"></a>
-<span class="sourceLineNo">179</span> private float[][] rackLocalities;<a name="line.179"></a>
-<span class="sourceLineNo">180</span> // Maps localityType -> region -> [server|rack]Index with highest locality<a name="line.180"></a>
-<span class="sourceLineNo">181</span> private int[][] regionsToMostLocalEntities;<a name="line.181"></a>
-<span class="sourceLineNo">182</span><a name="line.182"></a>
-<span class="sourceLineNo">183</span> protected Cluster(<a name="line.183"></a>
-<span class="sourceLineNo">184</span> Map<ServerName, List<RegionInfo>> clusterState,<a name="line.184"></a>
-<span class="sourceLineNo">185</span> Map<String, Deque<BalancerRegionLoad>> loads,<a name="line.185"></a>
-<span class="sourceLineNo">186</span> RegionLocationFinder regionFinder,<a name="line.186"></a>
-<span class="sourceLineNo">187</span> RackManager rackManager) {<a name="line.187"></a>
-<span class="sourceLineNo">188</span> this(null, clusterState, loads, regionFinder, rackManager);<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> @SuppressWarnings("unchecked")<a name="line.191"></a>
-<span class="sourceLineNo">192</span> protected Cluster(<a name="line.192"></a>
-<span class="sourceLineNo">193</span> Collection<RegionInfo> unassignedRegions,<a name="line.193"></a>
-<span class="sourceLineNo">194</span> Map<ServerName, List<RegionInfo>> clusterState,<a name="line.194"></a>
-<span class="sourceLineNo">195</span> Map<String, Deque<BalancerRegionLoad>> loads,<a name="line.195"></a>
-<span class="sourceLineNo">196</span> RegionLocationFinder regionFinder,<a name="line.196"></a>
-<span class="sourceLineNo">197</span> RackManager rackManager) {<a name="line.197"></a>
-<span class="sourceLineNo">198</span><a name="line.198"></a>
-<span class="sourceLineNo">199</span> if (unassignedRegions == null) {<a name="line.199"></a>
-<span class="sourceLineNo">200</span> unassignedRegions = EMPTY_REGION_LIST;<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> serversToIndex = new HashMap<>();<a name="line.203"></a>
-<span class="sourceLineNo">204</span> hostsToIndex = new HashMap<>();<a name="line.204"></a>
-<span class="sourceLineNo">205</span> racksToIndex = new HashMap<>();<a name="line.205"></a>
-<span class="sourceLineNo">206</span> tablesToIndex = new HashMap<>();<a name="line.206"></a>
-<span class="sourceLineNo">207</span><a name="line.207"></a>
-<span class="sourceLineNo">208</span> //TODO: We should get the list of tables from master<a name="line.208"></a>
-<span class="sourceLineNo">209</span> tables = new ArrayList<>();<a name="line.209"></a>
-<span class="sourceLineNo">210</span> this.rackManager = rackManager != null ? rackManager : new DefaultRackManager();<a name="line.210"></a>
-<span class="sourceLineNo">211</span><a name="line.211"></a>
-<span class="sourceLineNo">212</span> numRegions = 0;<a name="line.212"></a>
-<span class="sourceLineNo">213</span><a name="line.213"></a>
-<span class="sourceLineNo">214</span> List<List<Integer>> serversPerHostList = new ArrayList<>();<a name="line.214"></a>
-<span class="sourceLineNo">215</span> List<List<Integer>> serversPerRackList = new ArrayList<>();<a name="line.215"></a>
-<span class="sourceLineNo">216</span> this.clusterState = clusterState;<a name="line.216"></a>
-<span class="sourceLineNo">217</span> this.regionFinder = regionFinder;<a name="line.217"></a>
-<span class="sourceLineNo">218</span><a name="line.218"></a>
-<span class="sourceLineNo">219</span> // Use servername and port as there can be dead servers in this list. We want everything with<a name="line.219"></a>
-<span class="sourceLineNo">220</span> // a matching hostname and port to have the same index.<a name="line.220"></a>
-<span class="sourceLineNo">221</span> for (ServerName sn : clusterState.keySet()) {<a name="line.221"></a>
-<span class="sourceLineNo">222</span> if (sn == null) {<a name="line.222"></a>
-<span class="sourceLineNo">223</span> LOG.warn("TODO: Enable TRACE on BaseLoadBalancer. Empty servername); " +<a name="line.223"></a>
-<span class="sourceLineNo">224</span> "skipping; unassigned regions?");<a name="line.224"></a>
-<span class="sourceLineNo">225</span> if (LOG.isTraceEnabled()) {<a name="line.225"></a>
-<span class="sourceLineNo">226</span> LOG.trace("EMPTY SERVERNAME " + clusterState.toString());<a name="line.226"></a>
-<span class="sourceLineNo">227</span> }<a name="line.227"></a>
-<span class="sourceLineNo">228</span> continue;<a name="line.228"></a>
-<span class="sourceLineNo">229</span> }<a name="line.229"></a>
-<span class="sourceLineNo">230</span> if (serversToIndex.get(sn.getAddress().toString()) == null) {<a name="line.230"></a>
-<span class="sourceLineNo">231</span> serversToIndex.put(sn.getHostAndPort(), numServers++);<a name="line.231"></a>
-<span class="sourceLineNo">232</span> }<a name="line.232"></a>
-<span class="sourceLineNo">233</span> if (!hostsToIndex.containsKey(sn.getHostname())) {<a name="line.233"></a>
-<span class="sourceLineNo">234</span> hostsToIndex.put(sn.getHostname(), numHosts++);<a name="line.234"></a>
-<span class="sourceLineNo">235</span> serversPerHostList.add(new ArrayList<>(1));<a name="line.235"></a>
-<span class="sourceLineNo">236</span> }<a name="line.236"></a>
-<span class="sourceLineNo">237</span><a name="line.237"></a>
-<span class="sourceLineNo">238</span> int serverIndex = serversToIndex.get(sn.getHostAndPort());<a name="line.238"></a>
-<span class="sourceLineNo">239</span> int hostIndex = hostsToIndex.get(sn.getHostname());<a name="line.239"></a>
-<span class="sourceLineNo">240</span> serversPerHostList.get(hostIndex).add(serverIndex);<a name="line.240"></a>
-<span class="sourceLineNo">241</span><a name="line.241"></a>
-<span class="sourceLineNo">242</span> String rack = this.rackManager.getRack(sn);<a name="line.242"></a>
-<span class="sourceLineNo">243</span> if (!racksToIndex.containsKey(rack)) {<a name="line.243"></a>
-<span class="sourceLineNo">244</span> racksToIndex.put(rack, numRacks++);<a name="line.244"></a>
-<span class="sourceLineNo">245</span> serversPerRackList.add(new ArrayList<>());<a name="line.245"></a>
-<span class="sourceLineNo">246</span> }<a name="line.246"></a>
-<span class="sourceLineNo">247</span> int rackIndex = racksToIndex.get(rack);<a name="line.247"></a>
-<span class="sourceLineNo">248</span> serversPerRackList.get(rackIndex).add(serverIndex);<a name="line.248"></a>
-<span class="sourceLineNo">249</span> }<a name="line.249"></a>
-<span class="sourceLineNo">250</span><a name="line.250"></a>
-<span class="sourceLineNo">251</span> // Count how many regions there are.<a name="line.251"></a>
-<span class="sourceLineNo">252</span> for (Entry<ServerName, List<RegionInfo>> entry : clusterState.entrySet()) {<a name="line.252"></a>
-<span class="sourceLineNo">253</span> numRegions += entry.getValue().size();<a name="line.253"></a>
-<span class="sourceLineNo">254</span> }<a name="line.254"></a>
-<span class="sourceLineNo">255</span> numRegions += unassignedRegions.size();<a name="line.255"></a>
-<span class="sourceLineNo">256</span><a name="line.256"></a>
-<span class="sourceLineNo">257</span> regionsToIndex = new HashMap<>(numRegions);<a name="line.257"></a>
-<span class="sourceLineNo">258</span> servers = new ServerName[numServers];<a name="line.258"></a>
-<span class="sourceLineNo">259</span> serversPerHost = new int[numHosts][];<a name="line.259"></a>
-<span class="sourceLineNo">260</span> serversPerRack = new int[numRacks][];<a name="line.260"></a>
-<span class="sourceLineNo">261</span> regions = new RegionInfo[numRegions];<a name="line.261"></a>
-<span class="sourceLineNo">262</span> regionIndexToServerIndex = new int[numRegions];<a name="line.262"></a>
-<span class="sourceLineNo">263</span> initialRegionIndexToServerIndex = new int[numRegions];<a name="line.263"></a>
-<span class="sourceLineNo">264</span> regionIndexToTableIndex = new int[numRegions];<a name="line.264"></a>
-<span class="sourceLineNo">265</span> regionIndexToPrimaryIndex = new int[numRegions];<a name="line.265"></a>
-<span class="sourceLineNo">266</span> regionLoads = new Deque[numRegions];<a name="line.266"></a>
-<span class="sourceLineNo">267</span><a name="line.267"></a>
-<span class="sourceLineNo">268</span> regionLocations = new int[numRegions][];<a name="line.268"></a>
-<span class="sourceLineNo">269</span> serverIndicesSortedByRegionCount = new Integer[numServers];<a name="line.269"></a>
-<span class="sourceLineNo">270</span> serverIndicesSortedByLocality = new Integer[numServers];<a name="line.270"></a>
-<span class="sourceLineNo">271</span> localityPerServer = new float[numServers];<a name="line.271"></a>
-<span class="sourceLineNo">272</span><a name="line.272"></a>
-<span class="sourceLineNo">273</span> serverIndexToHostIndex = new int[numServers];<a name="line.273"></a>
-<span class="sourceLineNo">274</span> serverIndexToRackIndex = new int[numServers];<a name="line.274"></a>
-<span class="sourceLineNo">275</span> regionsPerServer = new int[numServers][];<a name="line.275"></a>
-<span class="sourceLineNo">276</span> regionsPerHost = new int[numHosts][];<a name="line.276"></a>
-<span class="sourceLineNo">277</span> regionsPerRack = new int[numRacks][];<a name="line.277"></a>
-<span class="sourceLineNo">278</span> primariesOfRegionsPerServer = new int[numServers][];<a name="line.278"></a>
-<span class="sourceLineNo">279</span> primariesOfRegionsPerHost = new int[numHosts][];<a name="line.279"></a>
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<TRUNCATED>