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Posted to commits@hbase.apache.org by gi...@apache.org on 2018/11/09 14:53:28 UTC
[32/47] hbase-site git commit: Published site at
fe2265fa4a1e828b2e68ff8e42639c5942dccb1b.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9592fdb5/devapidocs/src-html/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.CostFunction.html
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diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.CostFunction.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.CostFunction.html
index 9d1542c..ec5f688 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.CostFunction.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.CostFunction.html
@@ -53,502 +53,502 @@
<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.Cluster.LocalityType;<a name="line.45"></a>
<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.Cluster.MoveRegionAction;<a name="line.46"></a>
<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.Cluster.SwapRegionsAction;<a name="line.47"></a>
-<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.48"></a>
-<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.49"></a>
-<span class="sourceLineNo">050</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.50"></a>
-<span class="sourceLineNo">051</span>import org.slf4j.Logger;<a name="line.51"></a>
-<span class="sourceLineNo">052</span>import org.slf4j.LoggerFactory;<a name="line.52"></a>
-<span class="sourceLineNo">053</span><a name="line.53"></a>
-<span class="sourceLineNo">054</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.54"></a>
-<span class="sourceLineNo">055</span>import org.apache.hbase.thirdparty.com.google.common.base.Optional;<a name="line.55"></a>
-<span class="sourceLineNo">056</span>import org.apache.hbase.thirdparty.com.google.common.collect.Lists;<a name="line.56"></a>
+<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.48"></a>
+<span class="sourceLineNo">049</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.49"></a>
+<span class="sourceLineNo">050</span>import org.slf4j.Logger;<a name="line.50"></a>
+<span class="sourceLineNo">051</span>import org.slf4j.LoggerFactory;<a name="line.51"></a>
+<span class="sourceLineNo">052</span><a name="line.52"></a>
+<span class="sourceLineNo">053</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.53"></a>
+<span class="sourceLineNo">054</span>import org.apache.hbase.thirdparty.com.google.common.base.Optional;<a name="line.54"></a>
+<span class="sourceLineNo">055</span>import org.apache.hbase.thirdparty.com.google.common.collect.Lists;<a name="line.55"></a>
+<span class="sourceLineNo">056</span><a name="line.56"></a>
<span class="sourceLineNo">057</span><a name="line.57"></a>
-<span class="sourceLineNo">058</span><a name="line.58"></a>
-<span class="sourceLineNo">059</span>/**<a name="line.59"></a>
-<span class="sourceLineNo">060</span> * <p>This is a best effort load balancer. Given a Cost function F(C) =&gt; x It will<a name="line.60"></a>
-<span class="sourceLineNo">061</span> * randomly try and mutate the cluster to Cprime. If F(Cprime) &lt; F(C) then the<a name="line.61"></a>
-<span class="sourceLineNo">062</span> * new cluster state becomes the plan. It includes costs functions to compute the cost of:</p><a name="line.62"></a>
-<span class="sourceLineNo">063</span> * <ul><a name="line.63"></a>
-<span class="sourceLineNo">064</span> * <li>Region Load</li><a name="line.64"></a>
-<span class="sourceLineNo">065</span> * <li>Table Load</li><a name="line.65"></a>
-<span class="sourceLineNo">066</span> * <li>Data Locality</li><a name="line.66"></a>
-<span class="sourceLineNo">067</span> * <li>Memstore Sizes</li><a name="line.67"></a>
-<span class="sourceLineNo">068</span> * <li>Storefile Sizes</li><a name="line.68"></a>
-<span class="sourceLineNo">069</span> * </ul><a name="line.69"></a>
+<span class="sourceLineNo">058</span>/**<a name="line.58"></a>
+<span class="sourceLineNo">059</span> * <p>This is a best effort load balancer. Given a Cost function F(C) =&gt; x It will<a name="line.59"></a>
+<span class="sourceLineNo">060</span> * randomly try and mutate the cluster to Cprime. If F(Cprime) &lt; F(C) then the<a name="line.60"></a>
+<span class="sourceLineNo">061</span> * new cluster state becomes the plan. It includes costs functions to compute the cost of:</p><a name="line.61"></a>
+<span class="sourceLineNo">062</span> * <ul><a name="line.62"></a>
+<span class="sourceLineNo">063</span> * <li>Region Load</li><a name="line.63"></a>
+<span class="sourceLineNo">064</span> * <li>Table Load</li><a name="line.64"></a>
+<span class="sourceLineNo">065</span> * <li>Data Locality</li><a name="line.65"></a>
+<span class="sourceLineNo">066</span> * <li>Memstore Sizes</li><a name="line.66"></a>
+<span class="sourceLineNo">067</span> * <li>Storefile Sizes</li><a name="line.67"></a>
+<span class="sourceLineNo">068</span> * </ul><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> *<a name="line.71"></a>
-<span class="sourceLineNo">072</span> * <p>Every cost function returns a number between 0 and 1 inclusive; where 0 is the lowest cost<a name="line.72"></a>
-<span class="sourceLineNo">073</span> * best solution, and 1 is the highest possible cost and the worst solution. The computed costs are<a name="line.73"></a>
-<span class="sourceLineNo">074</span> * scaled by their respective multipliers:</p><a name="line.74"></a>
-<span class="sourceLineNo">075</span> *<a name="line.75"></a>
-<span class="sourceLineNo">076</span> * <ul><a name="line.76"></a>
-<span class="sourceLineNo">077</span> * <li>hbase.master.balancer.stochastic.regionLoadCost</li><a name="line.77"></a>
-<span class="sourceLineNo">078</span> * <li>hbase.master.balancer.stochastic.moveCost</li><a name="line.78"></a>
-<span class="sourceLineNo">079</span> * <li>hbase.master.balancer.stochastic.tableLoadCost</li><a name="line.79"></a>
-<span class="sourceLineNo">080</span> * <li>hbase.master.balancer.stochastic.localityCost</li><a name="line.80"></a>
-<span class="sourceLineNo">081</span> * <li>hbase.master.balancer.stochastic.memstoreSizeCost</li><a name="line.81"></a>
-<span class="sourceLineNo">082</span> * <li>hbase.master.balancer.stochastic.storefileSizeCost</li><a name="line.82"></a>
-<span class="sourceLineNo">083</span> * </ul><a name="line.83"></a>
-<span class="sourceLineNo">084</span> *<a name="line.84"></a>
-<span class="sourceLineNo">085</span> * <p>In addition to the above configurations, the balancer can be tuned by the following<a name="line.85"></a>
-<span class="sourceLineNo">086</span> * configuration values:</p><a name="line.86"></a>
-<span class="sourceLineNo">087</span> * <ul><a name="line.87"></a>
-<span class="sourceLineNo">088</span> * <li>hbase.master.balancer.stochastic.maxMoveRegions which<a name="line.88"></a>
-<span class="sourceLineNo">089</span> * controls what the max number of regions that can be moved in a single invocation of this<a name="line.89"></a>
-<span class="sourceLineNo">090</span> * balancer.</li><a name="line.90"></a>
-<span class="sourceLineNo">091</span> * <li>hbase.master.balancer.stochastic.stepsPerRegion is the coefficient by which the number of<a name="line.91"></a>
-<span class="sourceLineNo">092</span> * regions is multiplied to try and get the number of times the balancer will<a name="line.92"></a>
-<span class="sourceLineNo">093</span> * mutate all servers.</li><a name="line.93"></a>
-<span class="sourceLineNo">094</span> * <li>hbase.master.balancer.stochastic.maxSteps which controls the maximum number of times that<a name="line.94"></a>
-<span class="sourceLineNo">095</span> * the balancer will try and mutate all the servers. The balancer will use the minimum of this<a name="line.95"></a>
-<span class="sourceLineNo">096</span> * value and the above computation.</li><a name="line.96"></a>
-<span class="sourceLineNo">097</span> * </ul><a name="line.97"></a>
-<span class="sourceLineNo">098</span> *<a name="line.98"></a>
-<span class="sourceLineNo">099</span> * <p>This balancer is best used with hbase.master.loadbalance.bytable set to false<a name="line.99"></a>
-<span class="sourceLineNo">100</span> * so that the balancer gets the full picture of all loads on the cluster.</p><a name="line.100"></a>
-<span class="sourceLineNo">101</span> */<a name="line.101"></a>
-<span class="sourceLineNo">102</span>@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.CONFIG)<a name="line.102"></a>
-<span class="sourceLineNo">103</span>@edu.umd.cs.findbugs.annotations.SuppressWarnings(value="IS2_INCONSISTENT_SYNC",<a name="line.103"></a>
-<span class="sourceLineNo">104</span> justification="Complaint is about costFunctions not being synchronized; not end of the world")<a name="line.104"></a>
-<span class="sourceLineNo">105</span>public class StochasticLoadBalancer extends BaseLoadBalancer {<a name="line.105"></a>
-<span class="sourceLineNo">106</span><a name="line.106"></a>
-<span class="sourceLineNo">107</span> protected static final String STEPS_PER_REGION_KEY =<a name="line.107"></a>
-<span class="sourceLineNo">108</span> "hbase.master.balancer.stochastic.stepsPerRegion";<a name="line.108"></a>
-<span class="sourceLineNo">109</span> protected static final String MAX_STEPS_KEY =<a name="line.109"></a>
-<span class="sourceLineNo">110</span> "hbase.master.balancer.stochastic.maxSteps";<a name="line.110"></a>
-<span class="sourceLineNo">111</span> protected static final String RUN_MAX_STEPS_KEY =<a name="line.111"></a>
-<span class="sourceLineNo">112</span> "hbase.master.balancer.stochastic.runMaxSteps";<a name="line.112"></a>
-<span class="sourceLineNo">113</span> protected static final String MAX_RUNNING_TIME_KEY =<a name="line.113"></a>
-<span class="sourceLineNo">114</span> "hbase.master.balancer.stochastic.maxRunningTime";<a name="line.114"></a>
-<span class="sourceLineNo">115</span> protected static final String KEEP_REGION_LOADS =<a name="line.115"></a>
-<span class="sourceLineNo">116</span> "hbase.master.balancer.stochastic.numRegionLoadsToRemember";<a name="line.116"></a>
-<span class="sourceLineNo">117</span> private static final String TABLE_FUNCTION_SEP = "_";<a name="line.117"></a>
-<span class="sourceLineNo">118</span> protected static final String MIN_COST_NEED_BALANCE_KEY =<a name="line.118"></a>
-<span class="sourceLineNo">119</span> "hbase.master.balancer.stochastic.minCostNeedBalance";<a name="line.119"></a>
-<span class="sourceLineNo">120</span><a name="line.120"></a>
-<span class="sourceLineNo">121</span> protected static final Random RANDOM = new Random(System.currentTimeMillis());<a name="line.121"></a>
-<span class="sourceLineNo">122</span> private static final Logger LOG = LoggerFactory.getLogger(StochasticLoadBalancer.class);<a name="line.122"></a>
-<span class="sourceLineNo">123</span><a name="line.123"></a>
-<span class="sourceLineNo">124</span> Map<String, Deque<BalancerRegionLoad>> loads = new HashMap<>();<a name="line.124"></a>
-<span class="sourceLineNo">125</span><a name="line.125"></a>
-<span class="sourceLineNo">126</span> // values are defaults<a name="line.126"></a>
-<span class="sourceLineNo">127</span> private int maxSteps = 1000000;<a name="line.127"></a>
-<span class="sourceLineNo">128</span> private boolean runMaxSteps = false;<a name="line.128"></a>
-<span class="sourceLineNo">129</span> private int stepsPerRegion = 800;<a name="line.129"></a>
-<span class="sourceLineNo">130</span> private long maxRunningTime = 30 * 1000 * 1; // 30 seconds.<a name="line.130"></a>
-<span class="sourceLineNo">131</span> private int numRegionLoadsToRemember = 15;<a name="line.131"></a>
-<span class="sourceLineNo">132</span> private float minCostNeedBalance = 0.05f;<a name="line.132"></a>
-<span class="sourceLineNo">133</span><a name="line.133"></a>
-<span class="sourceLineNo">134</span> private List<CandidateGenerator> candidateGenerators;<a name="line.134"></a>
-<span class="sourceLineNo">135</span> private CostFromRegionLoadFunction[] regionLoadFunctions;<a name="line.135"></a>
-<span class="sourceLineNo">136</span> private CostFunction[] costFunctions; // FindBugs: Wants this protected; IS2_INCONSISTENT_SYNC<a name="line.136"></a>
-<span class="sourceLineNo">137</span><a name="line.137"></a>
-<span class="sourceLineNo">138</span> // to save and report costs to JMX<a name="line.138"></a>
-<span class="sourceLineNo">139</span> private Double curOverallCost = 0d;<a name="line.139"></a>
-<span class="sourceLineNo">140</span> private Double[] tempFunctionCosts;<a name="line.140"></a>
-<span class="sourceLineNo">141</span> private Double[] curFunctionCosts;<a name="line.141"></a>
-<span class="sourceLineNo">142</span><a name="line.142"></a>
-<span class="sourceLineNo">143</span> // Keep locality based picker and cost function to alert them<a name="line.143"></a>
-<span class="sourceLineNo">144</span> // when new services are offered<a name="line.144"></a>
-<span class="sourceLineNo">145</span> private LocalityBasedCandidateGenerator localityCandidateGenerator;<a name="line.145"></a>
-<span class="sourceLineNo">146</span> private ServerLocalityCostFunction localityCost;<a name="line.146"></a>
-<span class="sourceLineNo">147</span> private RackLocalityCostFunction rackLocalityCost;<a name="line.147"></a>
-<span class="sourceLineNo">148</span> private RegionReplicaHostCostFunction regionReplicaHostCostFunction;<a name="line.148"></a>
-<span class="sourceLineNo">149</span> private RegionReplicaRackCostFunction regionReplicaRackCostFunction;<a name="line.149"></a>
-<span class="sourceLineNo">150</span> private boolean isByTable = false;<a name="line.150"></a>
-<span class="sourceLineNo">151</span> private TableName tableName = null;<a name="line.151"></a>
-<span class="sourceLineNo">152</span><a name="line.152"></a>
-<span class="sourceLineNo">153</span> /**<a name="line.153"></a>
-<span class="sourceLineNo">154</span> * The constructor that pass a MetricsStochasticBalancer to BaseLoadBalancer to replace its<a name="line.154"></a>
-<span class="sourceLineNo">155</span> * default MetricsBalancer<a name="line.155"></a>
-<span class="sourceLineNo">156</span> */<a name="line.156"></a>
-<span class="sourceLineNo">157</span> public StochasticLoadBalancer() {<a name="line.157"></a>
-<span class="sourceLineNo">158</span> super(new MetricsStochasticBalancer());<a name="line.158"></a>
-<span class="sourceLineNo">159</span> }<a name="line.159"></a>
-<span class="sourceLineNo">160</span><a name="line.160"></a>
-<span class="sourceLineNo">161</span> @Override<a name="line.161"></a>
-<span class="sourceLineNo">162</span> public void onConfigurationChange(Configuration conf) {<a name="line.162"></a>
-<span class="sourceLineNo">163</span> setConf(conf);<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> @Override<a name="line.166"></a>
-<span class="sourceLineNo">167</span> public synchronized void setConf(Configuration conf) {<a name="line.167"></a>
-<span class="sourceLineNo">168</span> super.setConf(conf);<a name="line.168"></a>
-<span class="sourceLineNo">169</span> maxSteps = conf.getInt(MAX_STEPS_KEY, maxSteps);<a name="line.169"></a>
-<span class="sourceLineNo">170</span> stepsPerRegion = conf.getInt(STEPS_PER_REGION_KEY, stepsPerRegion);<a name="line.170"></a>
-<span class="sourceLineNo">171</span> maxRunningTime = conf.getLong(MAX_RUNNING_TIME_KEY, maxRunningTime);<a name="line.171"></a>
-<span class="sourceLineNo">172</span> runMaxSteps = conf.getBoolean(RUN_MAX_STEPS_KEY, runMaxSteps);<a name="line.172"></a>
-<span class="sourceLineNo">173</span><a name="line.173"></a>
-<span class="sourceLineNo">174</span> numRegionLoadsToRemember = conf.getInt(KEEP_REGION_LOADS, numRegionLoadsToRemember);<a name="line.174"></a>
-<span class="sourceLineNo">175</span> isByTable = conf.getBoolean(HConstants.HBASE_MASTER_LOADBALANCE_BYTABLE, isByTable);<a name="line.175"></a>
-<span class="sourceLineNo">176</span> minCostNeedBalance = conf.getFloat(MIN_COST_NEED_BALANCE_KEY, minCostNeedBalance);<a name="line.176"></a>
-<span class="sourceLineNo">177</span> if (localityCandidateGenerator == null) {<a name="line.177"></a>
-<span class="sourceLineNo">178</span> localityCandidateGenerator = new LocalityBasedCandidateGenerator(services);<a name="line.178"></a>
-<span class="sourceLineNo">179</span> }<a name="line.179"></a>
-<span class="sourceLineNo">180</span> localityCost = new ServerLocalityCostFunction(conf, services);<a name="line.180"></a>
-<span class="sourceLineNo">181</span> rackLocalityCost = new RackLocalityCostFunction(conf, services);<a name="line.181"></a>
-<span class="sourceLineNo">182</span><a name="line.182"></a>
-<span class="sourceLineNo">183</span> if (this.candidateGenerators == null) {<a name="line.183"></a>
-<span class="sourceLineNo">184</span> candidateGenerators = Lists.newArrayList();<a name="line.184"></a>
-<span class="sourceLineNo">185</span> candidateGenerators.add(new RandomCandidateGenerator());<a name="line.185"></a>
-<span class="sourceLineNo">186</span> candidateGenerators.add(new LoadCandidateGenerator());<a name="line.186"></a>
-<span class="sourceLineNo">187</span> candidateGenerators.add(localityCandidateGenerator);<a name="line.187"></a>
-<span class="sourceLineNo">188</span> candidateGenerators.add(new RegionReplicaRackCandidateGenerator());<a name="line.188"></a>
-<span class="sourceLineNo">189</span> }<a name="line.189"></a>
-<span class="sourceLineNo">190</span> regionLoadFunctions = new CostFromRegionLoadFunction[] {<a name="line.190"></a>
-<span class="sourceLineNo">191</span> new ReadRequestCostFunction(conf),<a name="line.191"></a>
-<span class="sourceLineNo">192</span> new CPRequestCostFunction(conf),<a name="line.192"></a>
-<span class="sourceLineNo">193</span> new WriteRequestCostFunction(conf),<a name="line.193"></a>
-<span class="sourceLineNo">194</span> new MemStoreSizeCostFunction(conf),<a name="line.194"></a>
-<span class="sourceLineNo">195</span> new StoreFileCostFunction(conf)<a name="line.195"></a>
-<span class="sourceLineNo">196</span> };<a name="line.196"></a>
-<span class="sourceLineNo">197</span> regionReplicaHostCostFunction = new RegionReplicaHostCostFunction(conf);<a name="line.197"></a>
-<span class="sourceLineNo">198</span> regionReplicaRackCostFunction = new RegionReplicaRackCostFunction(conf);<a name="line.198"></a>
-<span class="sourceLineNo">199</span> costFunctions = new CostFunction[]{<a name="line.199"></a>
-<span class="sourceLineNo">200</span> new RegionCountSkewCostFunction(conf),<a name="line.200"></a>
-<span class="sourceLineNo">201</span> new PrimaryRegionCountSkewCostFunction(conf),<a name="line.201"></a>
-<span class="sourceLineNo">202</span> new MoveCostFunction(conf),<a name="line.202"></a>
-<span class="sourceLineNo">203</span> localityCost,<a name="line.203"></a>
-<span class="sourceLineNo">204</span> rackLocalityCost,<a name="line.204"></a>
-<span class="sourceLineNo">205</span> new TableSkewCostFunction(conf),<a name="line.205"></a>
-<span class="sourceLineNo">206</span> regionReplicaHostCostFunction,<a name="line.206"></a>
-<span class="sourceLineNo">207</span> regionReplicaRackCostFunction,<a name="line.207"></a>
-<span class="sourceLineNo">208</span> regionLoadFunctions[0],<a name="line.208"></a>
-<span class="sourceLineNo">209</span> regionLoadFunctions[1],<a name="line.209"></a>
-<span class="sourceLineNo">210</span> regionLoadFunctions[2],<a name="line.210"></a>
-<span class="sourceLineNo">211</span> regionLoadFunctions[3],<a name="line.211"></a>
-<span class="sourceLineNo">212</span> regionLoadFunctions[4]<a name="line.212"></a>
-<span class="sourceLineNo">213</span> };<a name="line.213"></a>
-<span class="sourceLineNo">214</span> curFunctionCosts= new Double[costFunctions.length];<a name="line.214"></a>
-<span class="sourceLineNo">215</span> tempFunctionCosts= new Double[costFunctions.length];<a name="line.215"></a>
-<span class="sourceLineNo">216</span> LOG.info("Loaded config; maxSteps=" + maxSteps + ", stepsPerRegion=" + stepsPerRegion +<a name="line.216"></a>
-<span class="sourceLineNo">217</span> ", maxRunningTime=" + maxRunningTime + ", isByTable=" + isByTable + ", etc.");<a name="line.217"></a>
-<span class="sourceLineNo">218</span> }<a name="line.218"></a>
-<span class="sourceLineNo">219</span><a name="line.219"></a>
-<span class="sourceLineNo">220</span> protected void setCandidateGenerators(List<CandidateGenerator> customCandidateGenerators) {<a name="line.220"></a>
-<span class="sourceLineNo">221</span> this.candidateGenerators = customCandidateGenerators;<a name="line.221"></a>
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-<span class="sourceLineNo">223</span><a name="line.223"></a>
-<span class="sourceLineNo">224</span> @Override<a name="line.224"></a>
-<span class="sourceLineNo">225</span> protected void setSlop(Configuration conf) {<a name="line.225"></a>
-<span class="sourceLineNo">226</span> this.slop = conf.getFloat("hbase.regions.slop", 0.001F);<a name="line.226"></a>
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-<span class="sourceLineNo">228</span><a name="line.228"></a>
-<span class="sourceLineNo">229</span> @Override<a name="line.229"></a>
-<span class="sourceLineNo">230</span> public synchronized void setClusterMetrics(ClusterMetrics st) {<a name="line.230"></a>
-<span class="sourceLineNo">231</span> super.setClusterMetrics(st);<a name="line.231"></a>
-<span class="sourceLineNo">232</span> updateRegionLoad();<a name="line.232"></a>
-<span class="sourceLineNo">233</span> for(CostFromRegionLoadFunction cost : regionLoadFunctions) {<a name="line.233"></a>
-<span class="sourceLineNo">234</span> cost.setClusterMetrics(st);<a name="line.234"></a>
-<span class="sourceLineNo">235</span> }<a name="line.235"></a>
-<span class="sourceLineNo">236</span><a name="line.236"></a>
-<span class="sourceLineNo">237</span> // update metrics size<a name="line.237"></a>
-<span class="sourceLineNo">238</span> try {<a name="line.238"></a>
-<span class="sourceLineNo">239</span> // by-table or ensemble mode<a name="line.239"></a>
-<span class="sourceLineNo">240</span> int tablesCount = isByTable ? services.getTableDescriptors().getAll().size() : 1;<a name="line.240"></a>
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+<span clas
<TRUNCATED>