| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.pulsar.broker.stats; |
| |
| import static org.testng.Assert.assertEquals; |
| import static org.testng.Assert.assertTrue; |
| |
| import java.util.Map; |
| |
| import org.apache.bookkeeper.mledger.proto.PendingBookieOpsStats; |
| import org.apache.pulsar.broker.service.BrokerTestBase; |
| import org.apache.pulsar.common.stats.JvmMetrics; |
| import org.testng.annotations.AfterClass; |
| import org.testng.annotations.BeforeClass; |
| import org.testng.annotations.Test; |
| |
| import io.netty.buffer.ByteBuf; |
| import io.netty.buffer.PooledByteBufAllocator; |
| |
| @Test(groups = "broker") |
| public class BookieClientsStatsGeneratorTest extends BrokerTestBase { |
| |
| @BeforeClass |
| @Override |
| protected void setup() throws Exception { |
| super.baseSetup(); |
| } |
| |
| @AfterClass(alwaysRun = true) |
| @Override |
| protected void cleanup() throws Exception { |
| super.internalCleanup(); |
| } |
| |
| @Test |
| public void testBookieClientStatsGenerator() throws Exception { |
| // should not generate any NPE or other exceptions.. |
| Map<String, Map<String, PendingBookieOpsStats>> stats = BookieClientStatsGenerator.generate(super.getPulsar()); |
| assertTrue(stats.isEmpty()); |
| } |
| |
| @Test |
| public void testJvmDirectMemoryUsedMetric() { |
| PooledByteBufAllocator allocator = new PooledByteBufAllocator( // |
| true, // preferDirect |
| 0, // nHeapArenas, |
| 1, // nDirectArena |
| 8192, // pageSize |
| 11, // maxOrder |
| 32, // smallCacheSize |
| 8, // normalCacheSize |
| true // Cache all threads |
| ); |
| int allocateMemory = 17777216; |
| long directMemory1 = JvmMetrics.getJvmDirectMemoryUsed(); |
| ByteBuf buf2 = allocator.directBuffer(allocateMemory, allocateMemory); |
| long directMemory2 = JvmMetrics.getJvmDirectMemoryUsed(); |
| assertEquals(directMemory2, directMemory1 + allocateMemory); |
| ByteBuf buf3 = allocator.directBuffer(allocateMemory, allocateMemory); |
| long directMemory3 = JvmMetrics.getJvmDirectMemoryUsed(); |
| assertEquals(directMemory3, directMemory2 + allocateMemory); |
| buf3.release(); |
| directMemory3 = JvmMetrics.getJvmDirectMemoryUsed(); |
| assertEquals(directMemory3, directMemory2); |
| buf2.release(); |
| directMemory2 = JvmMetrics.getJvmDirectMemoryUsed(); |
| assertEquals(directMemory2, directMemory1); |
| |
| } |
| } |