Repository: hbase-site Updated Branches: refs/heads/asf-site 0f759c0e7 -> 48b001542
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/48b00154/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerBalanceCluster.html ---------------------------------------------------------------------- diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerBalanceCluster.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerBalanceCluster.html new file mode 100644 index 0000000..615ff1a --- /dev/null +++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerBalanceCluster.html @@ -0,0 +1,139 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd";> +<html lang="en"> +<head> +<title>Source code</title> +<link rel="stylesheet" type="text/css" href="../../../../../../../stylesheet.css" title="Style"> +</head> +<body> +<div class="sourceContainer"> +<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.balancer;<a name="line.18"></a> +<span class="sourceLineNo">019</span><a name="line.19"></a> +<span class="sourceLineNo">020</span>import static org.junit.Assert.assertNull;<a name="line.20"></a> +<span class="sourceLineNo">021</span><a name="line.21"></a> +<span class="sourceLineNo">022</span>import java.util.List;<a name="line.22"></a> +<span class="sourceLineNo">023</span>import java.util.Map;<a name="line.23"></a> +<span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.ServerName;<a name="line.24"></a> +<span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.25"></a> +<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.master.RegionPlan;<a name="line.26"></a> +<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.testclassification.LargeTests;<a name="line.27"></a> +<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.testclassification.MasterTests;<a name="line.28"></a> +<span class="sourceLineNo">029</span>import org.junit.Test;<a name="line.29"></a> +<span class="sourceLineNo">030</span>import org.junit.experimental.categories.Category;<a name="line.30"></a> +<span class="sourceLineNo">031</span>import org.slf4j.Logger;<a name="line.31"></a> +<span class="sourceLineNo">032</span>import org.slf4j.LoggerFactory;<a name="line.32"></a> +<span class="sourceLineNo">033</span><a name="line.33"></a> +<span class="sourceLineNo">034</span>@Category({ MasterTests.class, LargeTests.class })<a name="line.34"></a> +<span class="sourceLineNo">035</span>public class TestStochasticLoadBalancerBalanceCluster extends BalancerTestBase {<a name="line.35"></a> +<span class="sourceLineNo">036</span><a name="line.36"></a> +<span class="sourceLineNo">037</span> private static final Logger LOG =<a name="line.37"></a> +<span class="sourceLineNo">038</span> LoggerFactory.getLogger(TestStochasticLoadBalancerBalanceCluster.class);<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> * Test the load balancing algorithm.<a name="line.41"></a> +<span class="sourceLineNo">042</span> * <p><a name="line.42"></a> +<span class="sourceLineNo">043</span> * Invariant is that all servers should be hosting either floor(average) or ceiling(average)<a name="line.43"></a> +<span class="sourceLineNo">044</span> */<a name="line.44"></a> +<span class="sourceLineNo">045</span> @Test<a name="line.45"></a> +<span class="sourceLineNo">046</span> public void testBalanceCluster() throws Exception {<a name="line.46"></a> +<span class="sourceLineNo">047</span> conf.setLong(StochasticLoadBalancer.MAX_STEPS_KEY, 2000000L);<a name="line.47"></a> +<span class="sourceLineNo">048</span> conf.setLong("hbase.master.balancer.stochastic.maxRunningTime", 90 * 1000); // 90 sec<a name="line.48"></a> +<span class="sourceLineNo">049</span> conf.setFloat("hbase.master.balancer.stochastic.maxMovePercent", 1.0f);<a name="line.49"></a> +<span class="sourceLineNo">050</span> loadBalancer.setConf(conf);<a name="line.50"></a> +<span class="sourceLineNo">051</span> for (int[] mockCluster : clusterStateMocks) {<a name="line.51"></a> +<span class="sourceLineNo">052</span> Map<ServerName, List<RegionInfo>> servers = mockClusterServers(mockCluster);<a name="line.52"></a> +<span class="sourceLineNo">053</span> List<ServerAndLoad> list = convertToList(servers);<a name="line.53"></a> +<span class="sourceLineNo">054</span> LOG.info("Mock Cluster : " + printMock(list) + " " + printStats(list));<a name="line.54"></a> +<span class="sourceLineNo">055</span> List<RegionPlan> plans = loadBalancer.balanceCluster(servers);<a name="line.55"></a> +<span class="sourceLineNo">056</span> List<ServerAndLoad> balancedCluster = reconcile(list, plans, servers);<a name="line.56"></a> +<span class="sourceLineNo">057</span> LOG.info("Mock Balance : " + printMock(balancedCluster));<a name="line.57"></a> +<span class="sourceLineNo">058</span> assertClusterAsBalanced(balancedCluster);<a name="line.58"></a> +<span class="sourceLineNo">059</span> List<RegionPlan> secondPlans = loadBalancer.balanceCluster(servers);<a name="line.59"></a> +<span class="sourceLineNo">060</span> assertNull(secondPlans);<a name="line.60"></a> +<span class="sourceLineNo">061</span> for (Map.Entry<ServerName, List<RegionInfo>> entry : servers.entrySet()) {<a name="line.61"></a> +<span class="sourceLineNo">062</span> returnRegions(entry.getValue());<a name="line.62"></a> +<span class="sourceLineNo">063</span> returnServer(entry.getKey());<a name="line.63"></a> +<span class="sourceLineNo">064</span> }<a name="line.64"></a> +<span class="sourceLineNo">065</span> }<a name="line.65"></a> +<span class="sourceLineNo">066</span> }<a name="line.66"></a> +<span class="sourceLineNo">067</span>}<a name="line.67"></a> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +</pre> +</div> +</body> +</html> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/48b00154/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerLargeCluster.html ---------------------------------------------------------------------- diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerLargeCluster.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerLargeCluster.html new file mode 100644 index 0000000..b094805 --- /dev/null +++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerLargeCluster.html @@ -0,0 +1,109 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd";> +<html lang="en"> +<head> +<title>Source code</title> +<link rel="stylesheet" type="text/css" href="../../../../../../../stylesheet.css" title="Style"> +</head> +<body> +<div class="sourceContainer"> +<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.balancer;<a name="line.18"></a> +<span class="sourceLineNo">019</span><a name="line.19"></a> +<span class="sourceLineNo">020</span>import org.apache.hadoop.hbase.testclassification.MasterTests;<a name="line.20"></a> +<span class="sourceLineNo">021</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.21"></a> +<span class="sourceLineNo">022</span>import org.junit.Test;<a name="line.22"></a> +<span class="sourceLineNo">023</span>import org.junit.experimental.categories.Category;<a name="line.23"></a> +<span class="sourceLineNo">024</span><a name="line.24"></a> +<span class="sourceLineNo">025</span>@Category({ MasterTests.class, MediumTests.class })<a name="line.25"></a> +<span class="sourceLineNo">026</span>public class TestStochasticLoadBalancerLargeCluster extends BalancerTestBase {<a name="line.26"></a> +<span class="sourceLineNo">027</span><a name="line.27"></a> +<span class="sourceLineNo">028</span> @Test<a name="line.28"></a> +<span class="sourceLineNo">029</span> public void testLargeCluster() {<a name="line.29"></a> +<span class="sourceLineNo">030</span> int numNodes = 1000;<a name="line.30"></a> +<span class="sourceLineNo">031</span> int numRegions = 100000; // 100 regions per RS<a name="line.31"></a> +<span class="sourceLineNo">032</span> int numRegionsPerServer = 80; // all servers except one<a name="line.32"></a> +<span class="sourceLineNo">033</span> int numTables = 100;<a name="line.33"></a> +<span class="sourceLineNo">034</span> int replication = 1;<a name="line.34"></a> +<span class="sourceLineNo">035</span> testWithCluster(numNodes, numRegions, numRegionsPerServer, replication, numTables, true, true);<a name="line.35"></a> +<span class="sourceLineNo">036</span> }<a name="line.36"></a> +<span class="sourceLineNo">037</span>}<a name="line.37"></a> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +</pre> +</div> +</body> +</html> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/48b00154/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerMidCluster.html ---------------------------------------------------------------------- diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerMidCluster.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerMidCluster.html new file mode 100644 index 0000000..e3d6c43 --- /dev/null +++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerMidCluster.html @@ -0,0 +1,133 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd";> +<html lang="en"> +<head> +<title>Source code</title> +<link rel="stylesheet" type="text/css" href="../../../../../../../stylesheet.css" title="Style"> +</head> +<body> +<div class="sourceContainer"> +<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.balancer;<a name="line.18"></a> +<span class="sourceLineNo">019</span><a name="line.19"></a> +<span class="sourceLineNo">020</span>import org.apache.hadoop.hbase.testclassification.LargeTests;<a name="line.20"></a> +<span class="sourceLineNo">021</span>import org.apache.hadoop.hbase.testclassification.MasterTests;<a name="line.21"></a> +<span class="sourceLineNo">022</span>import org.junit.Test;<a name="line.22"></a> +<span class="sourceLineNo">023</span>import org.junit.experimental.categories.Category;<a name="line.23"></a> +<span class="sourceLineNo">024</span><a name="line.24"></a> +<span class="sourceLineNo">025</span>@Category({ MasterTests.class, LargeTests.class })<a name="line.25"></a> +<span class="sourceLineNo">026</span>public class TestStochasticLoadBalancerMidCluster extends BalancerTestBase {<a name="line.26"></a> +<span class="sourceLineNo">027</span><a name="line.27"></a> +<span class="sourceLineNo">028</span> @Test<a name="line.28"></a> +<span class="sourceLineNo">029</span> public void testMidCluster() {<a name="line.29"></a> +<span class="sourceLineNo">030</span> int numNodes = 100;<a name="line.30"></a> +<span class="sourceLineNo">031</span> int numRegions = 10000;<a name="line.31"></a> +<span class="sourceLineNo">032</span> int numRegionsPerServer = 60; // all servers except one<a name="line.32"></a> +<span class="sourceLineNo">033</span> int replication = 1;<a name="line.33"></a> +<span class="sourceLineNo">034</span> int numTables = 40;<a name="line.34"></a> +<span class="sourceLineNo">035</span> testWithCluster(numNodes, numRegions, numRegionsPerServer, replication, numTables, true, true);<a name="line.35"></a> +<span class="sourceLineNo">036</span> }<a name="line.36"></a> +<span class="sourceLineNo">037</span><a name="line.37"></a> +<span class="sourceLineNo">038</span> @Test<a name="line.38"></a> +<span class="sourceLineNo">039</span> public void testMidCluster2() {<a name="line.39"></a> +<span class="sourceLineNo">040</span> int numNodes = 200;<a name="line.40"></a> +<span class="sourceLineNo">041</span> int numRegions = 100000;<a name="line.41"></a> +<span class="sourceLineNo">042</span> int numRegionsPerServer = 40; // all servers except one<a name="line.42"></a> +<span class="sourceLineNo">043</span> int replication = 1;<a name="line.43"></a> +<span class="sourceLineNo">044</span> int numTables = 400;<a name="line.44"></a> +<span class="sourceLineNo">045</span> // num large num regions means may not always get to best balance with one run<a name="line.45"></a> +<span class="sourceLineNo">046</span> boolean assertFullyBalanced = false;<a name="line.46"></a> +<span class="sourceLineNo">047</span> testWithCluster(numNodes, numRegions, numRegionsPerServer, replication, numTables,<a name="line.47"></a> +<span class="sourceLineNo">048</span> assertFullyBalanced, false);<a name="line.48"></a> +<span class="sourceLineNo">049</span> }<a name="line.49"></a> +<span class="sourceLineNo">050</span><a name="line.50"></a> +<span class="sourceLineNo">051</span> @Test<a name="line.51"></a> +<span class="sourceLineNo">052</span> public void testMidCluster3() {<a name="line.52"></a> +<span class="sourceLineNo">053</span> int numNodes = 100;<a name="line.53"></a> +<span class="sourceLineNo">054</span> int numRegions = 2000;<a name="line.54"></a> +<span class="sourceLineNo">055</span> int numRegionsPerServer = 9; // all servers except one<a name="line.55"></a> +<span class="sourceLineNo">056</span> int replication = 1;<a name="line.56"></a> +<span class="sourceLineNo">057</span> int numTables = 110;<a name="line.57"></a> +<span class="sourceLineNo">058</span> testWithCluster(numNodes, numRegions, numRegionsPerServer, replication, numTables, true, true);<a name="line.58"></a> +<span class="sourceLineNo">059</span> // TODO(eclark): Make sure that the tables are well distributed.<a name="line.59"></a> +<span class="sourceLineNo">060</span> }<a name="line.60"></a> +<span class="sourceLineNo">061</span>}<a name="line.61"></a> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +</pre> +</div> +</body> +</html> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/48b00154/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerRegionReplica.ForTestRackManagerOne.html ---------------------------------------------------------------------- diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerRegionReplica.ForTestRackManagerOne.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerRegionReplica.ForTestRackManagerOne.html new file mode 100644 index 0000000..5b48412 --- /dev/null +++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerRegionReplica.ForTestRackManagerOne.html @@ -0,0 +1,250 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd";> +<html lang="en"> +<head> +<title>Source code</title> +<link rel="stylesheet" type="text/css" href="../../../../../../../stylesheet.css" title="Style"> +</head> +<body> +<div class="sourceContainer"> +<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.balancer;<a name="line.18"></a> +<span class="sourceLineNo">019</span><a name="line.19"></a> +<span class="sourceLineNo">020</span>import static org.junit.Assert.assertEquals;<a name="line.20"></a> +<span class="sourceLineNo">021</span>import static org.junit.Assert.assertTrue;<a name="line.21"></a> +<span class="sourceLineNo">022</span><a name="line.22"></a> +<span class="sourceLineNo">023</span>import java.util.ArrayList;<a name="line.23"></a> +<span class="sourceLineNo">024</span>import java.util.HashMap;<a name="line.24"></a> +<span class="sourceLineNo">025</span>import java.util.Iterator;<a name="line.25"></a> +<span class="sourceLineNo">026</span>import java.util.List;<a name="line.26"></a> +<span class="sourceLineNo">027</span>import java.util.Map;<a name="line.27"></a> +<span class="sourceLineNo">028</span>import java.util.Map.Entry;<a name="line.28"></a> +<span class="sourceLineNo">029</span>import java.util.TreeMap;<a name="line.29"></a> +<span class="sourceLineNo">030</span>import org.apache.hadoop.conf.Configuration;<a name="line.30"></a> +<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.HBaseConfiguration;<a name="line.31"></a> +<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.ServerName;<a name="line.32"></a> +<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.33"></a> +<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.client.RegionReplicaUtil;<a name="line.34"></a> +<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.master.RackManager;<a name="line.35"></a> +<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.Cluster;<a name="line.36"></a> +<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.testclassification.LargeTests;<a name="line.37"></a> +<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.testclassification.MasterTests;<a name="line.38"></a> +<span class="sourceLineNo">039</span>import org.junit.Test;<a name="line.39"></a> +<span class="sourceLineNo">040</span>import org.junit.experimental.categories.Category;<a name="line.40"></a> +<span class="sourceLineNo">041</span><a name="line.41"></a> +<span class="sourceLineNo">042</span>@Category({ MasterTests.class, LargeTests.class })<a name="line.42"></a> +<span class="sourceLineNo">043</span>public class TestStochasticLoadBalancerRegionReplica extends BalancerTestBase {<a name="line.43"></a> +<span class="sourceLineNo">044</span><a name="line.44"></a> +<span class="sourceLineNo">045</span> @Test<a name="line.45"></a> +<span class="sourceLineNo">046</span> public void testReplicaCost() {<a name="line.46"></a> +<span class="sourceLineNo">047</span> Configuration conf = HBaseConfiguration.create();<a name="line.47"></a> +<span class="sourceLineNo">048</span> StochasticLoadBalancer.CostFunction costFunction =<a name="line.48"></a> +<span class="sourceLineNo">049</span> new StochasticLoadBalancer.RegionReplicaHostCostFunction(conf);<a name="line.49"></a> +<span class="sourceLineNo">050</span> for (int[] mockCluster : clusterStateMocks) {<a name="line.50"></a> +<span class="sourceLineNo">051</span> BaseLoadBalancer.Cluster cluster = mockCluster(mockCluster);<a name="line.51"></a> +<span class="sourceLineNo">052</span> costFunction.init(cluster);<a name="line.52"></a> +<span class="sourceLineNo">053</span> double cost = costFunction.cost();<a name="line.53"></a> +<span class="sourceLineNo">054</span> assertTrue(cost >= 0);<a name="line.54"></a> +<span class="sourceLineNo">055</span> assertTrue(cost <= 1.01);<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> @Test<a name="line.59"></a> +<span class="sourceLineNo">060</span> public void testReplicaCostForReplicas() {<a name="line.60"></a> +<span class="sourceLineNo">061</span> Configuration conf = HBaseConfiguration.create();<a name="line.61"></a> +<span class="sourceLineNo">062</span> StochasticLoadBalancer.CostFunction costFunction =<a name="line.62"></a> +<span class="sourceLineNo">063</span> new StochasticLoadBalancer.RegionReplicaHostCostFunction(conf);<a name="line.63"></a> +<span class="sourceLineNo">064</span><a name="line.64"></a> +<span class="sourceLineNo">065</span> int[] servers = new int[] { 3, 3, 3, 3, 3 };<a name="line.65"></a> +<span class="sourceLineNo">066</span> TreeMap<ServerName, List<RegionInfo>> clusterState = mockClusterServers(servers);<a name="line.66"></a> +<span class="sourceLineNo">067</span><a name="line.67"></a> +<span class="sourceLineNo">068</span> BaseLoadBalancer.Cluster cluster;<a name="line.68"></a> +<span class="sourceLineNo">069</span><a name="line.69"></a> +<span class="sourceLineNo">070</span> cluster = new BaseLoadBalancer.Cluster(clusterState, null, null, null);<a name="line.70"></a> +<span class="sourceLineNo">071</span> costFunction.init(cluster);<a name="line.71"></a> +<span class="sourceLineNo">072</span> double costWithoutReplicas = costFunction.cost();<a name="line.72"></a> +<span class="sourceLineNo">073</span> assertEquals(0, costWithoutReplicas, 0);<a name="line.73"></a> +<span class="sourceLineNo">074</span><a name="line.74"></a> +<span class="sourceLineNo">075</span> // replicate the region from first server to the last server<a name="line.75"></a> +<span class="sourceLineNo">076</span> RegionInfo replica1 =<a name="line.76"></a> +<span class="sourceLineNo">077</span> RegionReplicaUtil.getRegionInfoForReplica(clusterState.firstEntry().getValue().get(0), 1);<a name="line.77"></a> +<span class="sourceLineNo">078</span> clusterState.lastEntry().getValue().add(replica1);<a name="line.78"></a> +<span class="sourceLineNo">079</span><a name="line.79"></a> +<span class="sourceLineNo">080</span> cluster = new BaseLoadBalancer.Cluster(clusterState, null, null, null);<a name="line.80"></a> +<span class="sourceLineNo">081</span> costFunction.init(cluster);<a name="line.81"></a> +<span class="sourceLineNo">082</span> double costWith1ReplicaDifferentServer = costFunction.cost();<a name="line.82"></a> +<span class="sourceLineNo">083</span><a name="line.83"></a> +<span class="sourceLineNo">084</span> assertEquals(0, costWith1ReplicaDifferentServer, 0);<a name="line.84"></a> +<span class="sourceLineNo">085</span><a name="line.85"></a> +<span class="sourceLineNo">086</span> // add a third replica to the last server<a name="line.86"></a> +<span class="sourceLineNo">087</span> RegionInfo replica2 = RegionReplicaUtil.getRegionInfoForReplica(replica1, 2);<a name="line.87"></a> +<span class="sourceLineNo">088</span> clusterState.lastEntry().getValue().add(replica2);<a name="line.88"></a> +<span class="sourceLineNo">089</span><a name="line.89"></a> +<span class="sourceLineNo">090</span> cluster = new BaseLoadBalancer.Cluster(clusterState, null, null, null);<a name="line.90"></a> +<span class="sourceLineNo">091</span> costFunction.init(cluster);<a name="line.91"></a> +<span class="sourceLineNo">092</span> double costWith1ReplicaSameServer = costFunction.cost();<a name="line.92"></a> +<span class="sourceLineNo">093</span><a name="line.93"></a> +<span class="sourceLineNo">094</span> assertTrue(costWith1ReplicaDifferentServer < costWith1ReplicaSameServer);<a name="line.94"></a> +<span class="sourceLineNo">095</span><a name="line.95"></a> +<span class="sourceLineNo">096</span> // test with replication = 4 for following:<a name="line.96"></a> +<span class="sourceLineNo">097</span><a name="line.97"></a> +<span class="sourceLineNo">098</span> RegionInfo replica3;<a name="line.98"></a> +<span class="sourceLineNo">099</span> Iterator<Entry<ServerName, List<RegionInfo>>> it;<a name="line.99"></a> +<span class="sourceLineNo">100</span> Entry<ServerName, List<RegionInfo>> entry;<a name="line.100"></a> +<span class="sourceLineNo">101</span><a name="line.101"></a> +<span class="sourceLineNo">102</span> clusterState = mockClusterServers(servers);<a name="line.102"></a> +<span class="sourceLineNo">103</span> it = clusterState.entrySet().iterator();<a name="line.103"></a> +<span class="sourceLineNo">104</span> entry = it.next(); // first server<a name="line.104"></a> +<span class="sourceLineNo">105</span> RegionInfo hri = entry.getValue().get(0);<a name="line.105"></a> +<span class="sourceLineNo">106</span> replica1 = RegionReplicaUtil.getRegionInfoForReplica(hri, 1);<a name="line.106"></a> +<span class="sourceLineNo">107</span> replica2 = RegionReplicaUtil.getRegionInfoForReplica(hri, 2);<a name="line.107"></a> +<span class="sourceLineNo">108</span> replica3 = RegionReplicaUtil.getRegionInfoForReplica(hri, 3);<a name="line.108"></a> +<span class="sourceLineNo">109</span> entry.getValue().add(replica1);<a name="line.109"></a> +<span class="sourceLineNo">110</span> entry.getValue().add(replica2);<a name="line.110"></a> +<span class="sourceLineNo">111</span> it.next().getValue().add(replica3); // 2nd server<a name="line.111"></a> +<span class="sourceLineNo">112</span><a name="line.112"></a> +<span class="sourceLineNo">113</span> cluster = new BaseLoadBalancer.Cluster(clusterState, null, null, null);<a name="line.113"></a> +<span class="sourceLineNo">114</span> costFunction.init(cluster);<a name="line.114"></a> +<span class="sourceLineNo">115</span> double costWith3ReplicasSameServer = costFunction.cost();<a name="line.115"></a> +<span class="sourceLineNo">116</span><a name="line.116"></a> +<span class="sourceLineNo">117</span> clusterState = mockClusterServers(servers);<a name="line.117"></a> +<span class="sourceLineNo">118</span> hri = clusterState.firstEntry().getValue().get(0);<a name="line.118"></a> +<span class="sourceLineNo">119</span> replica1 = RegionReplicaUtil.getRegionInfoForReplica(hri, 1);<a name="line.119"></a> +<span class="sourceLineNo">120</span> replica2 = RegionReplicaUtil.getRegionInfoForReplica(hri, 2);<a name="line.120"></a> +<span class="sourceLineNo">121</span> replica3 = RegionReplicaUtil.getRegionInfoForReplica(hri, 3);<a name="line.121"></a> +<span class="sourceLineNo">122</span><a name="line.122"></a> +<span class="sourceLineNo">123</span> clusterState.firstEntry().getValue().add(replica1);<a name="line.123"></a> +<span class="sourceLineNo">124</span> clusterState.lastEntry().getValue().add(replica2);<a name="line.124"></a> +<span class="sourceLineNo">125</span> clusterState.lastEntry().getValue().add(replica3);<a name="line.125"></a> +<span class="sourceLineNo">126</span><a name="line.126"></a> +<span class="sourceLineNo">127</span> cluster = new BaseLoadBalancer.Cluster(clusterState, null, null, null);<a name="line.127"></a> +<span class="sourceLineNo">128</span> costFunction.init(cluster);<a name="line.128"></a> +<span class="sourceLineNo">129</span> double costWith2ReplicasOnTwoServers = costFunction.cost();<a name="line.129"></a> +<span class="sourceLineNo">130</span><a name="line.130"></a> +<span class="sourceLineNo">131</span> assertTrue(costWith2ReplicasOnTwoServers < costWith3ReplicasSameServer);<a name="line.131"></a> +<span class="sourceLineNo">132</span> }<a name="line.132"></a> +<span class="sourceLineNo">133</span><a name="line.133"></a> +<span class="sourceLineNo">134</span> @Test<a name="line.134"></a> +<span class="sourceLineNo">135</span> public void testNeedsBalanceForColocatedReplicas() {<a name="line.135"></a> +<span class="sourceLineNo">136</span> // check for the case where there are two hosts and with one rack, and where<a name="line.136"></a> +<span class="sourceLineNo">137</span> // both the replicas are hosted on the same server<a name="line.137"></a> +<span class="sourceLineNo">138</span> List<RegionInfo> regions = randomRegions(1);<a name="line.138"></a> +<span class="sourceLineNo">139</span> ServerName s1 = ServerName.valueOf("host1", 1000, 11111);<a name="line.139"></a> +<span class="sourceLineNo">140</span> ServerName s2 = ServerName.valueOf("host11", 1000, 11111);<a name="line.140"></a> +<span class="sourceLineNo">141</span> Map<ServerName, List<RegionInfo>> map = new HashMap<>();<a name="line.141"></a> +<span class="sourceLineNo">142</span> map.put(s1, regions);<a name="line.142"></a> +<span class="sourceLineNo">143</span> regions.add(RegionReplicaUtil.getRegionInfoForReplica(regions.get(0), 1));<a name="line.143"></a> +<span class="sourceLineNo">144</span> // until the step above s1 holds two replicas of a region<a name="line.144"></a> +<span class="sourceLineNo">145</span> regions = randomRegions(1);<a name="line.145"></a> +<span class="sourceLineNo">146</span> map.put(s2, regions);<a name="line.146"></a> +<span class="sourceLineNo">147</span> assertTrue(loadBalancer.needsBalance(new Cluster(map, null, null, null)));<a name="line.147"></a> +<span class="sourceLineNo">148</span> // check for the case where there are two hosts on the same rack and there are two racks<a name="line.148"></a> +<span class="sourceLineNo">149</span> // and both the replicas are on the same rack<a name="line.149"></a> +<span class="sourceLineNo">150</span> map.clear();<a name="line.150"></a> +<span class="sourceLineNo">151</span> regions = randomRegions(1);<a name="line.151"></a> +<span class="sourceLineNo">152</span> List<RegionInfo> regionsOnS2 = new ArrayList<>(1);<a name="line.152"></a> +<span class="sourceLineNo">153</span> regionsOnS2.add(RegionReplicaUtil.getRegionInfoForReplica(regions.get(0), 1));<a name="line.153"></a> +<span class="sourceLineNo">154</span> map.put(s1, regions);<a name="line.154"></a> +<span class="sourceLineNo">155</span> map.put(s2, regionsOnS2);<a name="line.155"></a> +<span class="sourceLineNo">156</span> // add another server so that the cluster has some host on another rack<a name="line.156"></a> +<span class="sourceLineNo">157</span> map.put(ServerName.valueOf("host2", 1000, 11111), randomRegions(1));<a name="line.157"></a> +<span class="sourceLineNo">158</span> assertTrue(<a name="line.158"></a> +<span class="sourceLineNo">159</span> loadBalancer.needsBalance(new Cluster(map, null, null, new ForTestRackManagerOne())));<a name="line.159"></a> +<span class="sourceLineNo">160</span> }<a name="line.160"></a> +<span class="sourceLineNo">161</span><a name="line.161"></a> +<span class="sourceLineNo">162</span> @Test<a name="line.162"></a> +<span class="sourceLineNo">163</span> public void testRegionReplicasOnSmallCluster() {<a name="line.163"></a> +<span class="sourceLineNo">164</span> int numNodes = 10;<a name="line.164"></a> +<span class="sourceLineNo">165</span> int numRegions = 1000;<a name="line.165"></a> +<span class="sourceLineNo">166</span> int replication = 3; // 3 replicas per region<a name="line.166"></a> +<span class="sourceLineNo">167</span> int numRegionsPerServer = 80; // all regions are mostly balanced<a name="line.167"></a> +<span class="sourceLineNo">168</span> int numTables = 10;<a name="line.168"></a> +<span class="sourceLineNo">169</span> testWithCluster(numNodes, numRegions, numRegionsPerServer, replication, numTables, true, true);<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> +<span class="sourceLineNo">172</span> private static class ForTestRackManagerOne extends RackManager {<a name="line.172"></a> +<span class="sourceLineNo">173</span> @Override<a name="line.173"></a> +<span class="sourceLineNo">174</span> public String getRack(ServerName server) {<a name="line.174"></a> +<span class="sourceLineNo">175</span> return server.getHostname().endsWith("1") ? "rack1" : "rack2";<a name="line.175"></a> +<span class="sourceLineNo">176</span> }<a name="line.176"></a> +<span class="sourceLineNo">177</span> }<a name="line.177"></a> +<span class="sourceLineNo">178</span>}<a name="line.178"></a> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +</pre> +</div> +</body> +</html> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/48b00154/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerRegionReplica.html ---------------------------------------------------------------------- diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerRegionReplica.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerRegionReplica.html new file mode 100644 index 0000000..5b48412 --- /dev/null +++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerRegionReplica.html @@ -0,0 +1,250 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd";> +<html lang="en"> +<head> +<title>Source code</title> +<link rel="stylesheet" type="text/css" href="../../../../../../../stylesheet.css" title="Style"> +</head> +<body> +<div class="sourceContainer"> +<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.balancer;<a name="line.18"></a> +<span class="sourceLineNo">019</span><a name="line.19"></a> +<span class="sourceLineNo">020</span>import static org.junit.Assert.assertEquals;<a name="line.20"></a> +<span class="sourceLineNo">021</span>import static org.junit.Assert.assertTrue;<a name="line.21"></a> +<span class="sourceLineNo">022</span><a name="line.22"></a> +<span class="sourceLineNo">023</span>import java.util.ArrayList;<a name="line.23"></a> +<span class="sourceLineNo">024</span>import java.util.HashMap;<a name="line.24"></a> +<span class="sourceLineNo">025</span>import java.util.Iterator;<a name="line.25"></a> +<span class="sourceLineNo">026</span>import java.util.List;<a name="line.26"></a> +<span class="sourceLineNo">027</span>import java.util.Map;<a name="line.27"></a> +<span class="sourceLineNo">028</span>import java.util.Map.Entry;<a name="line.28"></a> +<span class="sourceLineNo">029</span>import java.util.TreeMap;<a name="line.29"></a> +<span class="sourceLineNo">030</span>import org.apache.hadoop.conf.Configuration;<a name="line.30"></a> +<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.HBaseConfiguration;<a name="line.31"></a> +<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.ServerName;<a name="line.32"></a> +<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.33"></a> +<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.client.RegionReplicaUtil;<a name="line.34"></a> +<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.master.RackManager;<a name="line.35"></a> +<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.Cluster;<a name="line.36"></a> +<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.testclassification.LargeTests;<a name="line.37"></a> +<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.testclassification.MasterTests;<a name="line.38"></a> +<span class="sourceLineNo">039</span>import org.junit.Test;<a name="line.39"></a> +<span class="sourceLineNo">040</span>import org.junit.experimental.categories.Category;<a name="line.40"></a> +<span class="sourceLineNo">041</span><a name="line.41"></a> +<span class="sourceLineNo">042</span>@Category({ MasterTests.class, LargeTests.class })<a name="line.42"></a> +<span class="sourceLineNo">043</span>public class TestStochasticLoadBalancerRegionReplica extends BalancerTestBase {<a name="line.43"></a> +<span class="sourceLineNo">044</span><a name="line.44"></a> +<span class="sourceLineNo">045</span> @Test<a name="line.45"></a> +<span class="sourceLineNo">046</span> public void testReplicaCost() {<a name="line.46"></a> +<span class="sourceLineNo">047</span> Configuration conf = HBaseConfiguration.create();<a name="line.47"></a> +<span class="sourceLineNo">048</span> StochasticLoadBalancer.CostFunction costFunction =<a name="line.48"></a> +<span class="sourceLineNo">049</span> new StochasticLoadBalancer.RegionReplicaHostCostFunction(conf);<a name="line.49"></a> +<span class="sourceLineNo">050</span> for (int[] mockCluster : clusterStateMocks) {<a name="line.50"></a> +<span class="sourceLineNo">051</span> BaseLoadBalancer.Cluster cluster = mockCluster(mockCluster);<a name="line.51"></a> +<span class="sourceLineNo">052</span> costFunction.init(cluster);<a name="line.52"></a> +<span class="sourceLineNo">053</span> double cost = costFunction.cost();<a name="line.53"></a> +<span class="sourceLineNo">054</span> assertTrue(cost >= 0);<a name="line.54"></a> +<span class="sourceLineNo">055</span> assertTrue(cost <= 1.01);<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> @Test<a name="line.59"></a> +<span class="sourceLineNo">060</span> public void testReplicaCostForReplicas() {<a name="line.60"></a> +<span class="sourceLineNo">061</span> Configuration conf = HBaseConfiguration.create();<a name="line.61"></a> +<span class="sourceLineNo">062</span> StochasticLoadBalancer.CostFunction costFunction =<a name="line.62"></a> +<span class="sourceLineNo">063</span> new StochasticLoadBalancer.RegionReplicaHostCostFunction(conf);<a name="line.63"></a> +<span class="sourceLineNo">064</span><a name="line.64"></a> +<span class="sourceLineNo">065</span> int[] servers = new int[] { 3, 3, 3, 3, 3 };<a name="line.65"></a> +<span class="sourceLineNo">066</span> TreeMap<ServerName, List<RegionInfo>> clusterState = mockClusterServers(servers);<a name="line.66"></a> +<span class="sourceLineNo">067</span><a name="line.67"></a> +<span class="sourceLineNo">068</span> BaseLoadBalancer.Cluster cluster;<a name="line.68"></a> +<span class="sourceLineNo">069</span><a name="line.69"></a> +<span class="sourceLineNo">070</span> cluster = new BaseLoadBalancer.Cluster(clusterState, null, null, null);<a name="line.70"></a> +<span class="sourceLineNo">071</span> costFunction.init(cluster);<a name="line.71"></a> +<span class="sourceLineNo">072</span> double costWithoutReplicas = costFunction.cost();<a name="line.72"></a> +<span class="sourceLineNo">073</span> assertEquals(0, costWithoutReplicas, 0);<a name="line.73"></a> +<span class="sourceLineNo">074</span><a name="line.74"></a> +<span class="sourceLineNo">075</span> // replicate the region from first server to the last server<a name="line.75"></a> +<span class="sourceLineNo">076</span> RegionInfo replica1 =<a name="line.76"></a> +<span class="sourceLineNo">077</span> RegionReplicaUtil.getRegionInfoForReplica(clusterState.firstEntry().getValue().get(0), 1);<a name="line.77"></a> +<span class="sourceLineNo">078</span> clusterState.lastEntry().getValue().add(replica1);<a name="line.78"></a> +<span class="sourceLineNo">079</span><a name="line.79"></a> +<span class="sourceLineNo">080</span> cluster = new BaseLoadBalancer.Cluster(clusterState, null, null, null);<a name="line.80"></a> +<span class="sourceLineNo">081</span> costFunction.init(cluster);<a name="line.81"></a> +<span class="sourceLineNo">082</span> double costWith1ReplicaDifferentServer = costFunction.cost();<a name="line.82"></a> +<span class="sourceLineNo">083</span><a name="line.83"></a> +<span class="sourceLineNo">084</span> assertEquals(0, costWith1ReplicaDifferentServer, 0);<a name="line.84"></a> +<span class="sourceLineNo">085</span><a name="line.85"></a> +<span class="sourceLineNo">086</span> // add a third replica to the last server<a name="line.86"></a> +<span class="sourceLineNo">087</span> RegionInfo replica2 = RegionReplicaUtil.getRegionInfoForReplica(replica1, 2);<a name="line.87"></a> +<span class="sourceLineNo">088</span> clusterState.lastEntry().getValue().add(replica2);<a name="line.88"></a> +<span class="sourceLineNo">089</span><a name="line.89"></a> +<span class="sourceLineNo">090</span> cluster = new BaseLoadBalancer.Cluster(clusterState, null, null, null);<a name="line.90"></a> +<span class="sourceLineNo">091</span> costFunction.init(cluster);<a name="line.91"></a> +<span class="sourceLineNo">092</span> double costWith1ReplicaSameServer = costFunction.cost();<a name="line.92"></a> +<span class="sourceLineNo">093</span><a name="line.93"></a> +<span class="sourceLineNo">094</span> assertTrue(costWith1ReplicaDifferentServer < costWith1ReplicaSameServer);<a name="line.94"></a> +<span class="sourceLineNo">095</span><a name="line.95"></a> +<span class="sourceLineNo">096</span> // test with replication = 4 for following:<a name="line.96"></a> +<span class="sourceLineNo">097</span><a name="line.97"></a> +<span class="sourceLineNo">098</span> RegionInfo replica3;<a name="line.98"></a> +<span class="sourceLineNo">099</span> Iterator<Entry<ServerName, List<RegionInfo>>> it;<a name="line.99"></a> +<span class="sourceLineNo">100</span> Entry<ServerName, List<RegionInfo>> entry;<a name="line.100"></a> +<span class="sourceLineNo">101</span><a name="line.101"></a> +<span class="sourceLineNo">102</span> clusterState = mockClusterServers(servers);<a name="line.102"></a> +<span class="sourceLineNo">103</span> it = clusterState.entrySet().iterator();<a name="line.103"></a> +<span class="sourceLineNo">104</span> entry = it.next(); // first server<a name="line.104"></a> +<span class="sourceLineNo">105</span> RegionInfo hri = entry.getValue().get(0);<a name="line.105"></a> +<span class="sourceLineNo">106</span> replica1 = RegionReplicaUtil.getRegionInfoForReplica(hri, 1);<a name="line.106"></a> +<span class="sourceLineNo">107</span> replica2 = RegionReplicaUtil.getRegionInfoForReplica(hri, 2);<a name="line.107"></a> +<span class="sourceLineNo">108</span> replica3 = RegionReplicaUtil.getRegionInfoForReplica(hri, 3);<a name="line.108"></a> +<span class="sourceLineNo">109</span> entry.getValue().add(replica1);<a name="line.109"></a> +<span class="sourceLineNo">110</span> entry.getValue().add(replica2);<a name="line.110"></a> +<span class="sourceLineNo">111</span> it.next().getValue().add(replica3); // 2nd server<a name="line.111"></a> +<span class="sourceLineNo">112</span><a name="line.112"></a> +<span class="sourceLineNo">113</span> cluster = new BaseLoadBalancer.Cluster(clusterState, null, null, null);<a name="line.113"></a> +<span class="sourceLineNo">114</span> costFunction.init(cluster);<a name="line.114"></a> +<span class="sourceLineNo">115</span> double costWith3ReplicasSameServer = costFunction.cost();<a name="line.115"></a> +<span class="sourceLineNo">116</span><a name="line.116"></a> +<span class="sourceLineNo">117</span> clusterState = mockClusterServers(servers);<a name="line.117"></a> +<span class="sourceLineNo">118</span> hri = clusterState.firstEntry().getValue().get(0);<a name="line.118"></a> +<span class="sourceLineNo">119</span> replica1 = RegionReplicaUtil.getRegionInfoForReplica(hri, 1);<a name="line.119"></a> +<span class="sourceLineNo">120</span> replica2 = RegionReplicaUtil.getRegionInfoForReplica(hri, 2);<a name="line.120"></a> +<span class="sourceLineNo">121</span> replica3 = RegionReplicaUtil.getRegionInfoForReplica(hri, 3);<a name="line.121"></a> +<span class="sourceLineNo">122</span><a name="line.122"></a> +<span class="sourceLineNo">123</span> clusterState.firstEntry().getValue().add(replica1);<a name="line.123"></a> +<span class="sourceLineNo">124</span> clusterState.lastEntry().getValue().add(replica2);<a name="line.124"></a> +<span class="sourceLineNo">125</span> clusterState.lastEntry().getValue().add(replica3);<a name="line.125"></a> +<span class="sourceLineNo">126</span><a name="line.126"></a> +<span class="sourceLineNo">127</span> cluster = new BaseLoadBalancer.Cluster(clusterState, null, null, null);<a name="line.127"></a> +<span class="sourceLineNo">128</span> costFunction.init(cluster);<a name="line.128"></a> +<span class="sourceLineNo">129</span> double costWith2ReplicasOnTwoServers = costFunction.cost();<a name="line.129"></a> +<span class="sourceLineNo">130</span><a name="line.130"></a> +<span class="sourceLineNo">131</span> assertTrue(costWith2ReplicasOnTwoServers < costWith3ReplicasSameServer);<a name="line.131"></a> +<span class="sourceLineNo">132</span> }<a name="line.132"></a> +<span class="sourceLineNo">133</span><a name="line.133"></a> +<span class="sourceLineNo">134</span> @Test<a name="line.134"></a> +<span class="sourceLineNo">135</span> public void testNeedsBalanceForColocatedReplicas() {<a name="line.135"></a> +<span class="sourceLineNo">136</span> // check for the case where there are two hosts and with one rack, and where<a name="line.136"></a> +<span class="sourceLineNo">137</span> // both the replicas are hosted on the same server<a name="line.137"></a> +<span class="sourceLineNo">138</span> List<RegionInfo> regions = randomRegions(1);<a name="line.138"></a> +<span class="sourceLineNo">139</span> ServerName s1 = ServerName.valueOf("host1", 1000, 11111);<a name="line.139"></a> +<span class="sourceLineNo">140</span> ServerName s2 = ServerName.valueOf("host11", 1000, 11111);<a name="line.140"></a> +<span class="sourceLineNo">141</span> Map<ServerName, List<RegionInfo>> map = new HashMap<>();<a name="line.141"></a> +<span class="sourceLineNo">142</span> map.put(s1, regions);<a name="line.142"></a> +<span class="sourceLineNo">143</span> regions.add(RegionReplicaUtil.getRegionInfoForReplica(regions.get(0), 1));<a name="line.143"></a> +<span class="sourceLineNo">144</span> // until the step above s1 holds two replicas of a region<a name="line.144"></a> +<span class="sourceLineNo">145</span> regions = randomRegions(1);<a name="line.145"></a> +<span class="sourceLineNo">146</span> map.put(s2, regions);<a name="line.146"></a> +<span class="sourceLineNo">147</span> assertTrue(loadBalancer.needsBalance(new Cluster(map, null, null, null)));<a name="line.147"></a> +<span class="sourceLineNo">148</span> // check for the case where there are two hosts on the same rack and there are two racks<a name="line.148"></a> +<span class="sourceLineNo">149</span> // and both the replicas are on the same rack<a name="line.149"></a> +<span class="sourceLineNo">150</span> map.clear();<a name="line.150"></a> +<span class="sourceLineNo">151</span> regions = randomRegions(1);<a name="line.151"></a> +<span class="sourceLineNo">152</span> List<RegionInfo> regionsOnS2 = new ArrayList<>(1);<a name="line.152"></a> +<span class="sourceLineNo">153</span> regionsOnS2.add(RegionReplicaUtil.getRegionInfoForReplica(regions.get(0), 1));<a name="line.153"></a> +<span class="sourceLineNo">154</span> map.put(s1, regions);<a name="line.154"></a> +<span class="sourceLineNo">155</span> map.put(s2, regionsOnS2);<a name="line.155"></a> +<span class="sourceLineNo">156</span> // add another server so that the cluster has some host on another rack<a name="line.156"></a> +<span class="sourceLineNo">157</span> map.put(ServerName.valueOf("host2", 1000, 11111), randomRegions(1));<a name="line.157"></a> +<span class="sourceLineNo">158</span> assertTrue(<a name="line.158"></a> +<span class="sourceLineNo">159</span> loadBalancer.needsBalance(new Cluster(map, null, null, new ForTestRackManagerOne())));<a name="line.159"></a> +<span class="sourceLineNo">160</span> }<a name="line.160"></a> +<span class="sourceLineNo">161</span><a name="line.161"></a> +<span class="sourceLineNo">162</span> @Test<a name="line.162"></a> +<span class="sourceLineNo">163</span> public void testRegionReplicasOnSmallCluster() {<a name="line.163"></a> +<span class="sourceLineNo">164</span> int numNodes = 10;<a name="line.164"></a> +<span class="sourceLineNo">165</span> int numRegions = 1000;<a name="line.165"></a> +<span class="sourceLineNo">166</span> int replication = 3; // 3 replicas per region<a name="line.166"></a> +<span class="sourceLineNo">167</span> int numRegionsPerServer = 80; // all regions are mostly balanced<a name="line.167"></a> +<span class="sourceLineNo">168</span> int numTables = 10;<a name="line.168"></a> +<span class="sourceLineNo">169</span> testWithCluster(numNodes, numRegions, numRegionsPerServer, replication, numTables, true, true);<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> +<span class="sourceLineNo">172</span> private static class ForTestRackManagerOne extends RackManager {<a name="line.172"></a> +<span class="sourceLineNo">173</span> @Override<a name="line.173"></a> +<span class="sourceLineNo">174</span> public String getRack(ServerName server) {<a name="line.174"></a> +<span class="sourceLineNo">175</span> return server.getHostname().endsWith("1") ? "rack1" : "rack2";<a name="line.175"></a> +<span class="sourceLineNo">176</span> }<a name="line.176"></a> +<span class="sourceLineNo">177</span> }<a name="line.177"></a> +<span class="sourceLineNo">178</span>}<a name="line.178"></a> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +</pre> +</div> +</body> +</html> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/48b00154/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerRegionReplicaSameHosts.html ---------------------------------------------------------------------- diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerRegionReplicaSameHosts.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerRegionReplicaSameHosts.html new file mode 100644 index 0000000..169c203 --- /dev/null +++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerRegionReplicaSameHosts.html @@ -0,0 +1,134 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd";> +<html lang="en"> +<head> +<title>Source code</title> +<link rel="stylesheet" type="text/css" href="../../../../../../../stylesheet.css" title="Style"> +</head> +<body> +<div class="sourceContainer"> +<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.balancer;<a name="line.18"></a> +<span class="sourceLineNo">019</span><a name="line.19"></a> +<span class="sourceLineNo">020</span>import java.util.ArrayList;<a name="line.20"></a> +<span class="sourceLineNo">021</span>import java.util.List;<a name="line.21"></a> +<span class="sourceLineNo">022</span>import java.util.Map;<a name="line.22"></a> +<span class="sourceLineNo">023</span>import java.util.TreeMap;<a name="line.23"></a> +<span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.ServerName;<a name="line.24"></a> +<span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.25"></a> +<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.testclassification.LargeTests;<a name="line.26"></a> +<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.testclassification.MasterTests;<a name="line.27"></a> +<span class="sourceLineNo">028</span>import org.junit.Test;<a name="line.28"></a> +<span class="sourceLineNo">029</span>import org.junit.experimental.categories.Category;<a name="line.29"></a> +<span class="sourceLineNo">030</span><a name="line.30"></a> +<span class="sourceLineNo">031</span>@Category({ MasterTests.class, LargeTests.class })<a name="line.31"></a> +<span class="sourceLineNo">032</span>public class TestStochasticLoadBalancerRegionReplicaSameHosts extends BalancerTestBase {<a name="line.32"></a> +<span class="sourceLineNo">033</span><a name="line.33"></a> +<span class="sourceLineNo">034</span> @Test // Test is flakey. TODO: Fix!<a name="line.34"></a> +<span class="sourceLineNo">035</span> public void testRegionReplicationOnMidClusterSameHosts() {<a name="line.35"></a> +<span class="sourceLineNo">036</span> conf.setLong(StochasticLoadBalancer.MAX_STEPS_KEY, 2000000L);<a name="line.36"></a> +<span class="sourceLineNo">037</span> conf.setLong("hbase.master.balancer.stochastic.maxRunningTime", 90 * 1000); // 90 sec<a name="line.37"></a> +<span class="sourceLineNo">038</span> conf.setFloat("hbase.master.balancer.stochastic.maxMovePercent", 1.0f);<a name="line.38"></a> +<span class="sourceLineNo">039</span> loadBalancer.setConf(conf);<a name="line.39"></a> +<span class="sourceLineNo">040</span> int numHosts = 100;<a name="line.40"></a> +<span class="sourceLineNo">041</span> int numRegions = 100 * 100;<a name="line.41"></a> +<span class="sourceLineNo">042</span> int replication = 3; // 3 replicas per region<a name="line.42"></a> +<span class="sourceLineNo">043</span> int numRegionsPerServer = 5;<a name="line.43"></a> +<span class="sourceLineNo">044</span> int numTables = 10;<a name="line.44"></a> +<span class="sourceLineNo">045</span> Map<ServerName, List<RegionInfo>> serverMap =<a name="line.45"></a> +<span class="sourceLineNo">046</span> createServerMap(numHosts, numRegions, numRegionsPerServer, replication, numTables);<a name="line.46"></a> +<span class="sourceLineNo">047</span> int numNodesPerHost = 4;<a name="line.47"></a> +<span class="sourceLineNo">048</span><a name="line.48"></a> +<span class="sourceLineNo">049</span> // create a new map with 4 RS per host.<a name="line.49"></a> +<span class="sourceLineNo">050</span> Map<ServerName, List<RegionInfo>> newServerMap = new TreeMap<>(serverMap);<a name="line.50"></a> +<span class="sourceLineNo">051</span> for (Map.Entry<ServerName, List<RegionInfo>> entry : serverMap.entrySet()) {<a name="line.51"></a> +<span class="sourceLineNo">052</span> for (int i = 1; i < numNodesPerHost; i++) {<a name="line.52"></a> +<span class="sourceLineNo">053</span> ServerName s1 = entry.getKey();<a name="line.53"></a> +<span class="sourceLineNo">054</span> // create an RS for the same host<a name="line.54"></a> +<span class="sourceLineNo">055</span> ServerName s2 = ServerName.valueOf(s1.getHostname(), s1.getPort() + i, 1);<a name="line.55"></a> +<span class="sourceLineNo">056</span> newServerMap.put(s2, new ArrayList<>());<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> testWithCluster(newServerMap, null, true, true);<a name="line.60"></a> +<span class="sourceLineNo">061</span> }<a name="line.61"></a> +<span class="sourceLineNo">062</span>}<a name="line.62"></a> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +</pre> +</div> +</body> +</html> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/48b00154/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerRegionReplicaWithRacks.ForTestRackManager.html ---------------------------------------------------------------------- diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerRegionReplicaWithRacks.ForTestRackManager.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerRegionReplicaWithRacks.ForTestRackManager.html new file mode 100644 index 0000000..19ffd51 --- /dev/null +++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerRegionReplicaWithRacks.ForTestRackManager.html @@ -0,0 +1,136 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd";> +<html lang="en"> +<head> +<title>Source code</title> +<link rel="stylesheet" type="text/css" href="../../../../../../../stylesheet.css" title="Style"> +</head> +<body> +<div class="sourceContainer"> +<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.balancer;<a name="line.18"></a> +<span class="sourceLineNo">019</span><a name="line.19"></a> +<span class="sourceLineNo">020</span>import java.util.List;<a name="line.20"></a> +<span class="sourceLineNo">021</span>import java.util.Map;<a name="line.21"></a> +<span class="sourceLineNo">022</span>import org.apache.hadoop.hbase.ServerName;<a name="line.22"></a> +<span class="sourceLineNo">023</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.23"></a> +<span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.master.RackManager;<a name="line.24"></a> +<span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.testclassification.LargeTests;<a name="line.25"></a> +<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.testclassification.MasterTests;<a name="line.26"></a> +<span class="sourceLineNo">027</span>import org.junit.Test;<a name="line.27"></a> +<span class="sourceLineNo">028</span>import org.junit.experimental.categories.Category;<a name="line.28"></a> +<span class="sourceLineNo">029</span><a name="line.29"></a> +<span class="sourceLineNo">030</span>@Category({ MasterTests.class, LargeTests.class })<a name="line.30"></a> +<span class="sourceLineNo">031</span>public class TestStochasticLoadBalancerRegionReplicaWithRacks extends BalancerTestBase {<a name="line.31"></a> +<span class="sourceLineNo">032</span><a name="line.32"></a> +<span class="sourceLineNo">033</span> private static class ForTestRackManager extends RackManager {<a name="line.33"></a> +<span class="sourceLineNo">034</span> int numRacks;<a name="line.34"></a> +<span class="sourceLineNo">035</span><a name="line.35"></a> +<span class="sourceLineNo">036</span> public ForTestRackManager(int numRacks) {<a name="line.36"></a> +<span class="sourceLineNo">037</span> this.numRacks = numRacks;<a name="line.37"></a> +<span class="sourceLineNo">038</span> }<a name="line.38"></a> +<span class="sourceLineNo">039</span><a name="line.39"></a> +<span class="sourceLineNo">040</span> @Override<a name="line.40"></a> +<span class="sourceLineNo">041</span> public String getRack(ServerName server) {<a name="line.41"></a> +<span class="sourceLineNo">042</span> return "rack_" + (server.hashCode() % numRacks);<a name="line.42"></a> +<span class="sourceLineNo">043</span> }<a name="line.43"></a> +<span class="sourceLineNo">044</span> }<a name="line.44"></a> +<span class="sourceLineNo">045</span><a name="line.45"></a> +<span class="sourceLineNo">046</span> @Test<a name="line.46"></a> +<span class="sourceLineNo">047</span> public void testRegionReplicationOnMidClusterWithRacks() {<a name="line.47"></a> +<span class="sourceLineNo">048</span> conf.setLong(StochasticLoadBalancer.MAX_STEPS_KEY, 10000000L);<a name="line.48"></a> +<span class="sourceLineNo">049</span> conf.setFloat("hbase.master.balancer.stochastic.maxMovePercent", 1.0f);<a name="line.49"></a> +<span class="sourceLineNo">050</span> conf.setLong("hbase.master.balancer.stochastic.maxRunningTime", 120 * 1000); // 120 sec<a name="line.50"></a> +<span class="sourceLineNo">051</span> loadBalancer.setConf(conf);<a name="line.51"></a> +<span class="sourceLineNo">052</span> int numNodes = 30;<a name="line.52"></a> +<span class="sourceLineNo">053</span> int numRegions = numNodes * 30;<a name="line.53"></a> +<span class="sourceLineNo">054</span> int replication = 3; // 3 replicas per region<a name="line.54"></a> +<span class="sourceLineNo">055</span> int numRegionsPerServer = 28;<a name="line.55"></a> +<span class="sourceLineNo">056</span> int numTables = 10;<a name="line.56"></a> +<span class="sourceLineNo">057</span> int numRacks = 4; // all replicas should be on a different rack<a name="line.57"></a> +<span class="sourceLineNo">058</span> Map<ServerName, List<RegionInfo>> serverMap =<a name="line.58"></a> +<span class="sourceLineNo">059</span> createServerMap(numNodes, numRegions, numRegionsPerServer, replication, numTables);<a name="line.59"></a> +<span class="sourceLineNo">060</span> RackManager rm = new ForTestRackManager(numRacks);<a name="line.60"></a> +<span class="sourceLineNo">061</span><a name="line.61"></a> +<span class="sourceLineNo">062</span> testWithCluster(serverMap, rm, false, true);<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> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +</pre> +</div> +</body> +</html> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/48b00154/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerRegionReplicaWithRacks.html ---------------------------------------------------------------------- diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerRegionReplicaWithRacks.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerRegionReplicaWithRacks.html new file mode 100644 index 0000000..19ffd51 --- /dev/null +++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerRegionReplicaWithRacks.html @@ -0,0 +1,136 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd";> +<html lang="en"> +<head> +<title>Source code</title> +<link rel="stylesheet" type="text/css" href="../../../../../../../stylesheet.css" title="Style"> +</head> +<body> +<div class="sourceContainer"> +<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.balancer;<a name="line.18"></a> +<span class="sourceLineNo">019</span><a name="line.19"></a> +<span class="sourceLineNo">020</span>import java.util.List;<a name="line.20"></a> +<span class="sourceLineNo">021</span>import java.util.Map;<a name="line.21"></a> +<span class="sourceLineNo">022</span>import org.apache.hadoop.hbase.ServerName;<a name="line.22"></a> +<span class="sourceLineNo">023</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.23"></a> +<span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.master.RackManager;<a name="line.24"></a> +<span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.testclassification.LargeTests;<a name="line.25"></a> +<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.testclassification.MasterTests;<a name="line.26"></a> +<span class="sourceLineNo">027</span>import org.junit.Test;<a name="line.27"></a> +<span class="sourceLineNo">028</span>import org.junit.experimental.categories.Category;<a name="line.28"></a> +<span class="sourceLineNo">029</span><a name="line.29"></a> +<span class="sourceLineNo">030</span>@Category({ MasterTests.class, LargeTests.class })<a name="line.30"></a> +<span class="sourceLineNo">031</span>public class TestStochasticLoadBalancerRegionReplicaWithRacks extends BalancerTestBase {<a name="line.31"></a> +<span class="sourceLineNo">032</span><a name="line.32"></a> +<span class="sourceLineNo">033</span> private static class ForTestRackManager extends RackManager {<a name="line.33"></a> +<span class="sourceLineNo">034</span> int numRacks;<a name="line.34"></a> +<span class="sourceLineNo">035</span><a name="line.35"></a> +<span class="sourceLineNo">036</span> public ForTestRackManager(int numRacks) {<a name="line.36"></a> +<span class="sourceLineNo">037</span> this.numRacks = numRacks;<a name="line.37"></a> +<span class="sourceLineNo">038</span> }<a name="line.38"></a> +<span class="sourceLineNo">039</span><a name="line.39"></a> +<span class="sourceLineNo">040</span> @Override<a name="line.40"></a> +<span class="sourceLineNo">041</span> public String getRack(ServerName server) {<a name="line.41"></a> +<span class="sourceLineNo">042</span> return "rack_" + (server.hashCode() % numRacks);<a name="line.42"></a> +<span class="sourceLineNo">043</span> }<a name="line.43"></a> +<span class="sourceLineNo">044</span> }<a name="line.44"></a> +<span class="sourceLineNo">045</span><a name="line.45"></a> +<span class="sourceLineNo">046</span> @Test<a name="line.46"></a> +<span class="sourceLineNo">047</span> public void testRegionReplicationOnMidClusterWithRacks() {<a name="line.47"></a> +<span class="sourceLineNo">048</span> conf.setLong(StochasticLoadBalancer.MAX_STEPS_KEY, 10000000L);<a name="line.48"></a> +<span class="sourceLineNo">049</span> conf.setFloat("hbase.master.balancer.stochastic.maxMovePercent", 1.0f);<a name="line.49"></a> +<span class="sourceLineNo">050</span> conf.setLong("hbase.master.balancer.stochastic.maxRunningTime", 120 * 1000); // 120 sec<a name="line.50"></a> +<span class="sourceLineNo">051</span> loadBalancer.setConf(conf);<a name="line.51"></a> +<span class="sourceLineNo">052</span> int numNodes = 30;<a name="line.52"></a> +<span class="sourceLineNo">053</span> int numRegions = numNodes * 30;<a name="line.53"></a> +<span class="sourceLineNo">054</span> int replication = 3; // 3 replicas per region<a name="line.54"></a> +<span class="sourceLineNo">055</span> int numRegionsPerServer = 28;<a name="line.55"></a> +<span class="sourceLineNo">056</span> int numTables = 10;<a name="line.56"></a> +<span class="sourceLineNo">057</span> int numRacks = 4; // all replicas should be on a different rack<a name="line.57"></a> +<span class="sourceLineNo">058</span> Map<ServerName, List<RegionInfo>> serverMap =<a name="line.58"></a> +<span class="sourceLineNo">059</span> createServerMap(numNodes, numRegions, numRegionsPerServer, replication, numTables);<a name="line.59"></a> +<span class="sourceLineNo">060</span> RackManager rm = new ForTestRackManager(numRacks);<a name="line.60"></a> +<span class="sourceLineNo">061</span><a name="line.61"></a> +<span class="sourceLineNo">062</span> testWithCluster(serverMap, rm, false, true);<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> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +</pre> +</div> +</body> +</html> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/48b00154/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerSmallCluster.html ---------------------------------------------------------------------- diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerSmallCluster.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerSmallCluster.html new file mode 100644 index 0000000..cf3e36b --- /dev/null +++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancerSmallCluster.html @@ -0,0 +1,131 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd";> +<html lang="en"> +<head> +<title>Source code</title> +<link rel="stylesheet" type="text/css" href="../../../../../../../stylesheet.css" title="Style"> +</head> +<body> +<div class="sourceContainer"> +<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.balancer;<a name="line.18"></a> +<span class="sourceLineNo">019</span><a name="line.19"></a> +<span class="sourceLineNo">020</span>import org.apache.hadoop.hbase.testclassification.MasterTests;<a name="line.20"></a> +<span class="sourceLineNo">021</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.21"></a> +<span class="sourceLineNo">022</span>import org.junit.Test;<a name="line.22"></a> +<span class="sourceLineNo">023</span>import org.junit.experimental.categories.Category;<a name="line.23"></a> +<span class="sourceLineNo">024</span><a name="line.24"></a> +<span class="sourceLineNo">025</span>@Category({ MasterTests.class, MediumTests.class })<a name="line.25"></a> +<span class="sourceLineNo">026</span>public class TestStochasticLoadBalancerSmallCluster extends BalancerTestBase {<a name="line.26"></a> +<span class="sourceLineNo">027</span><a name="line.27"></a> +<span class="sourceLineNo">028</span> @Test<a name="line.28"></a> +<span class="sourceLineNo">029</span> public void testSmallCluster() {<a name="line.29"></a> +<span class="sourceLineNo">030</span> int numNodes = 10;<a name="line.30"></a> +<span class="sourceLineNo">031</span> int numRegions = 1000;<a name="line.31"></a> +<span class="sourceLineNo">032</span> int numRegionsPerServer = 40; // all servers except one<a name="line.32"></a> +<span class="sourceLineNo">033</span> int replication = 1;<a name="line.33"></a> +<span class="sourceLineNo">034</span> int numTables = 10;<a name="line.34"></a> +<span class="sourceLineNo">035</span> testWithCluster(numNodes, numRegions, numRegionsPerServer, replication, numTables, true, true);<a name="line.35"></a> +<span class="sourceLineNo">036</span> }<a name="line.36"></a> +<span class="sourceLineNo">037</span><a name="line.37"></a> +<span class="sourceLineNo">038</span> @Test<a name="line.38"></a> +<span class="sourceLineNo">039</span> public void testSmallCluster2() {<a name="line.39"></a> +<span class="sourceLineNo">040</span> int numNodes = 20;<a name="line.40"></a> +<span class="sourceLineNo">041</span> int numRegions = 2000;<a name="line.41"></a> +<span class="sourceLineNo">042</span> int numRegionsPerServer = 40; // all servers except one<a name="line.42"></a> +<span class="sourceLineNo">043</span> int replication = 1;<a name="line.43"></a> +<span class="sourceLineNo">044</span> int numTables = 10;<a name="line.44"></a> +<span class="sourceLineNo">045</span> testWithCluster(numNodes, numRegions, numRegionsPerServer, replication, numTables, true, true);<a name="line.45"></a> +<span class="sourceLineNo">046</span> }<a name="line.46"></a> +<span class="sourceLineNo">047</span><a name="line.47"></a> +<span class="sourceLineNo">048</span> @Test<a name="line.48"></a> +<span class="sourceLineNo">049</span> public void testSmallCluster3() {<a name="line.49"></a> +<span class="sourceLineNo">050</span> int numNodes = 20;<a name="line.50"></a> +<span class="sourceLineNo">051</span> int numRegions = 2000;<a name="line.51"></a> +<span class="sourceLineNo">052</span> int numRegionsPerServer = 1; // all servers except one<a name="line.52"></a> +<span class="sourceLineNo">053</span> int replication = 1;<a name="line.53"></a> +<span class="sourceLineNo">054</span> int numTables = 10;<a name="line.54"></a> +<span class="sourceLineNo">055</span> /* fails because of max moves */<a name="line.55"></a> +<span class="sourceLineNo">056</span> testWithCluster(numNodes, numRegions, numRegionsPerServer, replication, numTables, false,<a name="line.56"></a> +<span class="sourceLineNo">057</span> false);<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> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +</pre> +</div> +</body> +</html>
