| /* |
| * 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.cassandra.metrics; |
| |
| import java.io.IOException; |
| |
| import org.junit.AfterClass; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| import com.datastax.driver.core.BatchStatement; |
| import com.datastax.driver.core.BoundStatement; |
| import com.datastax.driver.core.Cluster; |
| import com.datastax.driver.core.PreparedStatement; |
| import com.datastax.driver.core.Session; |
| import org.apache.cassandra.ServerTestUtils; |
| import org.apache.cassandra.config.DatabaseDescriptor; |
| import org.apache.cassandra.exceptions.ConfigurationException; |
| import org.apache.cassandra.service.EmbeddedCassandraService; |
| |
| import static com.datastax.driver.core.Cluster.builder; |
| import static org.junit.Assert.assertEquals; |
| |
| public class ClientRequestMetricsTest |
| { |
| private static Cluster cluster; |
| private static Session session; |
| |
| private static final String KEYSPACE = "junit"; |
| private static final String TABLE = "clientrequestsmetricstest"; |
| |
| private static PreparedStatement writePS; |
| private static PreparedStatement paxosPS; |
| private static PreparedStatement readPS; |
| private static PreparedStatement readRangePS; |
| |
| private static final ClientRequestMetrics readMetrics = ClientRequestsMetricsHolder.readMetrics; |
| private static final ClientWriteRequestMetrics writeMetrics = ClientRequestsMetricsHolder.writeMetrics; |
| |
| private static EmbeddedCassandraService cassandra; |
| |
| @BeforeClass |
| public static void setup() throws ConfigurationException, IOException |
| { |
| cassandra = ServerTestUtils.startEmbeddedCassandraService(); |
| |
| cluster = builder().addContactPoint("127.0.0.1").withPort(DatabaseDescriptor.getNativeTransportPort()).build(); |
| session = cluster.connect(); |
| |
| session.execute("CREATE KEYSPACE IF NOT EXISTS " + KEYSPACE + " WITH replication = { 'class' : 'SimpleStrategy', 'replication_factor' : 1 };"); |
| session.execute("USE " + KEYSPACE); |
| session.execute("CREATE TABLE IF NOT EXISTS " + TABLE + " (id int, ord int, val text, PRIMARY KEY (id, ord));"); |
| |
| writePS = session.prepare("INSERT INTO " + KEYSPACE + '.' + TABLE + " (id, ord, val) VALUES (?, ?, ?);"); |
| paxosPS = session.prepare("INSERT INTO " + KEYSPACE + '.' + TABLE + " (id, ord, val) VALUES (?, ?, ?) IF NOT EXISTS;"); |
| readPS = session.prepare("SELECT * FROM " + KEYSPACE + '.' + TABLE + " WHERE id=?;"); |
| readRangePS = session.prepare("SELECT * FROM " + KEYSPACE + '.' + TABLE + " WHERE id=? AND ord>=? AND ord <= ?;"); |
| } |
| |
| @AfterClass |
| public static void tearDown() |
| { |
| if (cluster != null) |
| cluster.close(); |
| if (cassandra != null) |
| cassandra.stop(); |
| } |
| |
| @Test |
| public void testWriteStatement() |
| { |
| ClientRequestMetricsContainer writeMetricsContainer = new ClientRequestMetricsContainer(writeMetrics); |
| ClientRequestMetricsContainer readMetricsContainer = new ClientRequestMetricsContainer(readMetrics); |
| |
| executeWrite(1, 1, "aaaa"); |
| |
| assertEquals(1, writeMetricsContainer.compareLocalRequest()); |
| assertEquals(0, writeMetricsContainer.compareRemoteRequest()); |
| |
| assertEquals(0, readMetricsContainer.compareLocalRequest()); |
| assertEquals(0, readMetricsContainer.compareRemoteRequest()); |
| } |
| |
| @Test |
| public void testPaxosStatement() |
| { |
| ClientRequestMetricsContainer writeMetricsContainer = new ClientRequestMetricsContainer(writeMetrics); |
| ClientRequestMetricsContainer readMetricsContainer = new ClientRequestMetricsContainer(readMetrics); |
| |
| executePAXOS(2, 2, "aaaa"); |
| |
| assertEquals(1, readMetricsContainer.compareLocalRequest()); |
| assertEquals(0, readMetricsContainer.compareRemoteRequest()); |
| |
| assertEquals(1, writeMetricsContainer.compareLocalRequest()); |
| assertEquals(0, writeMetricsContainer.compareRemoteRequest()); |
| } |
| |
| @Test |
| public void testBatchStatement() |
| { |
| ClientRequestMetricsContainer writeMetricsContainer = new ClientRequestMetricsContainer(writeMetrics); |
| ClientRequestMetricsContainer readMetricsContainer = new ClientRequestMetricsContainer(readMetrics); |
| |
| executeBatch(10, 10); |
| |
| assertEquals(0, readMetricsContainer.compareLocalRequest()); |
| assertEquals(0, readMetricsContainer.compareRemoteRequest()); |
| |
| assertEquals(10, writeMetricsContainer.compareLocalRequest()); |
| assertEquals(0, writeMetricsContainer.compareRemoteRequest()); |
| } |
| |
| @Test |
| public void testReadStatement() |
| { |
| executeWrite(1, 1, "aaaa"); |
| |
| ClientRequestMetricsContainer writeMetricsContainer = new ClientRequestMetricsContainer(writeMetrics); |
| ClientRequestMetricsContainer readMetricsContainer = new ClientRequestMetricsContainer(readMetrics); |
| |
| executeRead(1); |
| |
| assertEquals(1, readMetricsContainer.compareLocalRequest()); |
| assertEquals(0, readMetricsContainer.compareRemoteRequest()); |
| |
| assertEquals(0, writeMetricsContainer.compareLocalRequest()); |
| assertEquals(0, writeMetricsContainer.compareRemoteRequest()); |
| } |
| |
| @Test |
| public void testRangeStatement() |
| { |
| executeBatch(1, 100); |
| |
| ClientRequestMetricsContainer writeMetricsContainer = new ClientRequestMetricsContainer(writeMetrics); |
| ClientRequestMetricsContainer readMetricsContainer = new ClientRequestMetricsContainer(readMetrics); |
| |
| executeSlice(1, 0, 99); |
| |
| assertEquals(1, readMetricsContainer.compareLocalRequest()); |
| assertEquals(0, readMetricsContainer.compareRemoteRequest()); |
| |
| assertEquals(0, writeMetricsContainer.compareLocalRequest()); |
| assertEquals(0, writeMetricsContainer.compareRemoteRequest()); |
| } |
| |
| |
| private static class ClientRequestMetricsContainer |
| { |
| private final ClientRequestMetrics metrics; |
| |
| private final long localRequests; |
| private final long remoteRequests; |
| |
| public ClientRequestMetricsContainer(ClientRequestMetrics clientRequestMetrics) |
| { |
| metrics = clientRequestMetrics; |
| localRequests = metrics.localRequests.getCount(); |
| remoteRequests = metrics.remoteRequests.getCount(); |
| } |
| |
| public long compareLocalRequest() |
| { |
| return metrics.localRequests.getCount() - localRequests; |
| } |
| |
| public long compareRemoteRequest() |
| { |
| return metrics.remoteRequests.getCount() - remoteRequests; |
| } |
| } |
| |
| private void executeWrite(int id, int ord, String val) |
| { |
| BoundStatement bs = writePS.bind(id, ord, val); |
| session.execute(bs); |
| } |
| |
| private void executePAXOS(int id, int ord, String val) |
| { |
| BoundStatement bs = paxosPS.bind(id, ord, val); |
| session.execute(bs); |
| } |
| |
| private void executeBatch(int distinctPartitions, int numClusteringKeys) |
| { |
| BatchStatement batch = new BatchStatement(); |
| |
| for (int i = 0; i < distinctPartitions; i++) |
| { |
| for (int y = 0; y < numClusteringKeys; y++) |
| { |
| batch.add(writePS.bind(i, y, "aaaaaaaa")); |
| } |
| } |
| session.execute(batch); |
| } |
| |
| private void executeRead(int id) |
| { |
| BoundStatement bs = readPS.bind(id); |
| session.execute(bs); |
| } |
| |
| private void executeSlice(int id, int start_range, int end_range) |
| { |
| BoundStatement bs = readRangePS.bind(id, start_range, end_range); |
| session.execute(bs); |
| } |
| } |