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Unit test + jmx to track pending connections
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,115 @@ | ||
| /* | ||
| * Copyright 2008-2009 LinkedIn, Inc | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not | ||
| * use this file except in compliance with the License. You may obtain a copy of | ||
| * the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT | ||
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the | ||
| * License for the specific language governing permissions and limitations under | ||
| * the License. | ||
| */ | ||
|
|
||
| package voldemort.server.socket; | ||
|
|
||
| import java.lang.management.ManagementFactory; | ||
| import java.util.Properties; | ||
| import java.util.Random; | ||
| import java.util.concurrent.TimeUnit; | ||
|
|
||
| import javax.management.MBeanServer; | ||
| import javax.management.ObjectName; | ||
|
|
||
| import junit.framework.TestCase; | ||
|
|
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| import org.junit.After; | ||
| import org.junit.Before; | ||
| import org.junit.Test; | ||
|
|
||
| import voldemort.ServerTestUtils; | ||
| import voldemort.TestUtils; | ||
| import voldemort.client.ClientConfig; | ||
| import voldemort.cluster.Cluster; | ||
| import voldemort.cluster.Node; | ||
| import voldemort.server.VoldemortConfig; | ||
| import voldemort.server.VoldemortServer; | ||
| import voldemort.server.niosocket.NioSocketService; | ||
| import voldemort.store.Store; | ||
| import voldemort.store.socket.SocketStoreFactory; | ||
| import voldemort.store.socket.clientrequest.ClientRequestExecutorPool; | ||
| import voldemort.utils.ByteArray; | ||
| import voldemort.utils.JmxUtils; | ||
| import voldemort.versioning.Versioned; | ||
|
|
||
| /** | ||
| * Unit test for NIO selector connection stats | ||
| * | ||
| */ | ||
| public class NioStatsJmxTest extends TestCase { | ||
|
|
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| private VoldemortServer server; | ||
| private Store<ByteArray, byte[], byte[]> socketStore; | ||
| private static final int MAX_TRAFFIC_TIME_MS = 2000; | ||
|
|
||
| @Override | ||
| @Before | ||
| public void setUp() throws Exception { | ||
| String storeDefinitionFile = "test/common/voldemort/config/single-store.xml"; | ||
| ClientConfig clientConfig = new ClientConfig().setMaxConnectionsPerNode(1).setMaxThreads(1); | ||
| SocketStoreFactory socketStoreFactory = new ClientRequestExecutorPool(clientConfig.getSelectors(), | ||
| clientConfig.getMaxConnectionsPerNode(), | ||
| clientConfig.getConnectionTimeout(TimeUnit.MILLISECONDS), | ||
| clientConfig.getSocketTimeout(TimeUnit.MILLISECONDS), | ||
| clientConfig.getSocketBufferSize(), | ||
| clientConfig.getSocketKeepAlive()); | ||
| Cluster cluster = ServerTestUtils.getLocalCluster(1); | ||
| Properties props = new Properties(); | ||
| props.put("jmx.enable", "true"); | ||
| VoldemortConfig config = ServerTestUtils.createServerConfig(true, | ||
| 0, | ||
| TestUtils.createTempDir() | ||
| .getAbsolutePath(), | ||
| null, | ||
| storeDefinitionFile, | ||
| props); | ||
| server = ServerTestUtils.startVoldemortServer(socketStoreFactory, config, cluster); | ||
| for(Node node: cluster.getNodes()) { | ||
| socketStore = ServerTestUtils.getSocketStore(socketStoreFactory, | ||
| "test", | ||
| node.getSocketPort(), | ||
| clientConfig.getRequestFormatType()); | ||
| } | ||
| } | ||
|
|
||
| @Test | ||
| public void testActiveConnectionCount() throws Exception { | ||
| // generate some traffic, | ||
| Random dataGen = new Random(); | ||
| long start = System.currentTimeMillis(); | ||
| long now = 0; | ||
|
|
||
| byte[] data = new byte[256]; | ||
| while(((now = System.currentTimeMillis()) - start) <= MAX_TRAFFIC_TIME_MS) { | ||
| dataGen.nextBytes(data); | ||
| ByteArray key = new ByteArray(data); | ||
| socketStore.put(key, new Versioned<byte[]>(data), null); | ||
| } | ||
|
|
||
| // has to be 1, since we configure client with 1 connection and do | ||
| // atleast one operation | ||
| MBeanServer beanserver = ManagementFactory.getPlatformMBeanServer(); | ||
| ObjectName name = JmxUtils.createObjectName(JmxUtils.getPackageName(NioSocketService.class), | ||
| "nio-socket-server"); | ||
| assertEquals(1, beanserver.getAttribute(name, "numActiveConnections")); | ||
| } | ||
|
|
||
| @Override | ||
| @After | ||
| public void tearDown() { | ||
| server.stop(); | ||
| } | ||
| } |