| /** |
| * 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.apex.malhar.flume.storage; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.datatorrent.netlet.util.Slice; |
| |
| /** |
| * |
| */ |
| public class HDFSStoragePerformance |
| { |
| |
| public static void main(String[] args) |
| { |
| HDFSStorage storage = new HDFSStorage(); |
| storage.setBaseDir("."); |
| storage.setId("gaurav_flume_1"); |
| storage.setRestore(true); |
| storage.setup(null); |
| int count = 1000000; |
| |
| logger.debug(" start time {}", System.currentTimeMillis()); |
| int index = 10000; |
| byte[] b = new byte[1024]; |
| for (int i = 0; i < count; i++) { |
| storage.store(new Slice(b, 0, b.length)); |
| } |
| storage.flush(); |
| for (int i = 0; i < count; i++) { |
| storage.store(new Slice(b, 0, b.length)); |
| } |
| storage.flush(); |
| for (int i = 0; i < count; i++) { |
| storage.store(new Slice(b, 0, b.length)); |
| } |
| storage.flush(); |
| logger.debug(" end time {}", System.currentTimeMillis()); |
| logger.debug(" start time for retrieve {}", System.currentTimeMillis()); |
| storage.retrieve(new byte[8]); |
| String inputData = new String(b); |
| index = 1; |
| while (true) { |
| b = storage.retrieveNext(); |
| if (b == null) { |
| logger.debug(" end time for retrieve {}", System.currentTimeMillis()); |
| return; |
| } else { |
| if (!match(b, inputData)) { |
| throw new RuntimeException("failed : " + index); |
| } |
| } |
| |
| index++; |
| } |
| |
| } |
| |
| public static boolean match(byte[] data, String match) |
| { |
| byte[] tempData = new byte[data.length - 8]; |
| System.arraycopy(data, 8, tempData, 0, tempData.length); |
| // logger.debug("input: {}, output: {}",match,new String(tempData)); |
| return (match.equals(new String(tempData))); |
| } |
| |
| private static final Logger logger = LoggerFactory.getLogger(HDFSStoragePerformance.class); |
| } |
| |