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reduce collection instances while generating metrics (#284)
reduce collection instances while generating metrics
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88
pulsar-broker/src/test/java/com/yahoo/pulsar/broker/stats/ManagedLedgerMetricsTest.java
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| /** | ||
| * Copyright 2016 Yahoo 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 com.yahoo.pulsar.broker.stats; | ||
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| import java.util.List; | ||
| import java.util.Map.Entry; | ||
| import java.util.concurrent.TimeUnit; | ||
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| import org.apache.bookkeeper.mledger.impl.ManagedLedgerFactoryImpl; | ||
| import org.apache.bookkeeper.mledger.impl.ManagedLedgerImpl; | ||
| import org.apache.bookkeeper.mledger.impl.ManagedLedgerMBeanImpl; | ||
| import org.testng.annotations.AfterClass; | ||
| import org.testng.annotations.BeforeClass; | ||
| import org.testng.annotations.Test; | ||
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| import com.yahoo.pulsar.broker.service.BrokerTestBase; | ||
| import com.yahoo.pulsar.broker.stats.metrics.ManagedLedgerMetrics; | ||
| import com.yahoo.pulsar.client.api.Producer; | ||
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| import junit.framework.Assert; | ||
|
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| /** | ||
| */ | ||
| public class ManagedLedgerMetricsTest extends BrokerTestBase { | ||
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| @BeforeClass | ||
| @Override | ||
| protected void setup() throws Exception { | ||
| super.baseSetup(); | ||
| } | ||
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| @AfterClass | ||
| @Override | ||
| protected void cleanup() throws Exception { | ||
| super.internalCleanup(); | ||
| } | ||
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| @Test | ||
| public void testManagedLedgerMetrics() throws Exception { | ||
| ManagedLedgerMetrics metrics = new ManagedLedgerMetrics(pulsar); | ||
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| final String addEntryRateKey = "brk_ml_AddEntryMessagesRate"; | ||
| List<Metrics> list1 = metrics.generate(); | ||
| Assert.assertTrue(list1.isEmpty()); | ||
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| Producer producer = pulsarClient.createProducer("persistent://my-property/use/my-ns/my-topic1"); | ||
| for (int i = 0; i < 10; i++) { | ||
| String message = "my-message-" + i; | ||
| producer.send(message.getBytes()); | ||
| } | ||
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| for (Entry<String, ManagedLedgerImpl> ledger : ((ManagedLedgerFactoryImpl) pulsar.getManagedLedgerFactory()) | ||
| .getManagedLedgers().entrySet()) { | ||
| ManagedLedgerMBeanImpl stats = (ManagedLedgerMBeanImpl) ledger.getValue().getStats(); | ||
| stats.refreshStats(1, TimeUnit.SECONDS); | ||
| } | ||
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| List<Metrics> list2 = metrics.generate(); | ||
| Assert.assertEquals(list2.get(0).getMetrics().get(addEntryRateKey), 10.0D); | ||
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| for (int i = 0; i < 5; i++) { | ||
| String message = "my-message-" + i; | ||
| producer.send(message.getBytes()); | ||
| } | ||
| for (Entry<String, ManagedLedgerImpl> ledger : ((ManagedLedgerFactoryImpl) pulsar.getManagedLedgerFactory()) | ||
| .getManagedLedgers().entrySet()) { | ||
| ManagedLedgerMBeanImpl stats = (ManagedLedgerMBeanImpl) ledger.getValue().getStats(); | ||
| stats.refreshStats(1, TimeUnit.SECONDS); | ||
| } | ||
| List<Metrics> list3 = metrics.generate(); | ||
| Assert.assertEquals(list3.get(0).getMetrics().get(addEntryRateKey), 5.0D); | ||
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| } | ||
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| } |