| /* |
| * 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 |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * 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.hadoop.ozone.freon; |
| |
| import com.codahale.metrics.Timer; |
| import com.google.common.base.Preconditions; |
| import org.apache.commons.lang3.RandomUtils; |
| import org.apache.hadoop.hdds.cli.HddsVersionProvider; |
| import org.apache.hadoop.hdds.conf.OzoneConfiguration; |
| import org.apache.hadoop.ozone.om.protocolPB.OzoneManagerProtocolClientSideTranslatorPB; |
| import java.util.concurrent.Callable; |
| import picocli.CommandLine.Command; |
| import picocli.CommandLine.Option; |
| |
| /** |
| * Utility to generate RPC request to OM with or without payload. |
| */ |
| @Command(name = "om-echo", |
| aliases = "ome", |
| description = |
| "Generate echo RPC request to the OM " + |
| "with or without layload. " + |
| "Max payload size is 2097151 KB", |
| versionProvider = HddsVersionProvider.class, |
| mixinStandardHelpOptions = true, |
| showDefaultValues = true) |
| public class OmRPCLoadGenerator extends BaseFreonGenerator |
| implements Callable<Void> { |
| |
| private static final int RPC_PAYLOAD_MULTIPLICATION_FACTOR = 1024; |
| private static final int MAX_SIZE_KB = 2097151; |
| private Timer timer; |
| private OzoneConfiguration configuration; |
| private OzoneManagerProtocolClientSideTranslatorPB[] clients; |
| private byte[] payloadReqBytes = new byte[0]; |
| private int payloadRespSize; |
| @Option(names = {"--payload-req"}, |
| description = |
| "Specifies the size of payload in KB in RPC request. " + |
| "Max size is 2097151 KB", |
| defaultValue = "0") |
| private int payloadReqSizeKB = 0; |
| |
| @Option(names = {"--clients"}, |
| description = |
| "Number of clients, defaults 1.", |
| defaultValue = "1") |
| private int clientsCount = 1; |
| |
| @Option(names = {"--payload-resp"}, |
| description = |
| "Specifies the size of payload in KB in RPC response. " + |
| "Max size is 2097151 KB", |
| defaultValue = "0") |
| private int payloadRespSizeKB = 0; |
| @Override |
| public Void call() throws Exception { |
| Preconditions.checkArgument(payloadReqSizeKB >= 0, |
| "OM echo request payload size should be positive value or zero."); |
| Preconditions.checkArgument(payloadRespSizeKB >= 0, |
| "OM echo response payload size should be positive value or zero."); |
| |
| configuration = createOzoneConfiguration(); |
| clients = new OzoneManagerProtocolClientSideTranslatorPB[clientsCount]; |
| for (int i = 0; i < clientsCount; i++) { |
| clients[i] = createOmClient(configuration, null); |
| } |
| |
| init(); |
| payloadReqBytes = RandomUtils.nextBytes( |
| calculateMaxPayloadSize(payloadReqSizeKB)); |
| payloadRespSize = calculateMaxPayloadSize(payloadRespSizeKB); |
| timer = getMetrics().timer("rpc-payload"); |
| try { |
| runTests(this::sendRPCReq); |
| } finally { |
| for (int i = 0; i < clientsCount; i++) { |
| if (clients[i] != null) { |
| clients[i].close(); |
| } |
| } |
| } |
| return null; |
| } |
| |
| private int calculateMaxPayloadSize(int payloadSizeKB) { |
| if (payloadSizeKB > 0) { |
| return Math.min( |
| Math.toIntExact((long)payloadSizeKB * |
| RPC_PAYLOAD_MULTIPLICATION_FACTOR), |
| MAX_SIZE_KB); |
| } |
| return 0; |
| } |
| |
| private void sendRPCReq(long l) throws Exception { |
| timer.time(() -> { |
| clients[(int) (l % clientsCount)].echoRPCReq(payloadReqBytes, |
| payloadRespSize); |
| return null; |
| }); |
| } |
| } |
| |
| |