Java tutorial
/* * Copyright 2013 Jive Software, 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.jivesoftware.os.amza.service; import com.fasterxml.jackson.databind.JsonNode; import com.fasterxml.jackson.databind.ObjectMapper; import com.fasterxml.jackson.databind.node.ArrayNode; import com.google.common.base.Charsets; import com.google.common.collect.Sets; import com.google.common.io.BaseEncoding; import de.svenjacobs.loremipsum.LoremIpsum; import java.io.IOException; import java.util.Random; import java.util.Set; import org.apache.http.HttpResponse; import org.apache.http.StatusLine; import org.apache.http.client.methods.HttpGet; import org.apache.http.impl.client.HttpClients; import org.apache.http.util.EntityUtils; public class AmzaGetStress { private static final Random rand = new Random(); private static final LoremIpsum loremIpsum = new LoremIpsum(); private static final ObjectMapper mapper = new ObjectMapper(); public static void main(String[] args) throws IOException { args = new String[] { "soa-integ-data11.phx1.jivehosted.com", "1185", "1", "10000" }; final String hostName = args[0]; final int port = Integer.parseInt(args[1]); final int firstDocId = Integer.parseInt(args[2]); final int count = Integer.parseInt(args[3]); final int batchSize = 100; String partitionName = "lorem"; for (int i = 0; i < 1024; i++) { final String rname = partitionName + i; final org.apache.http.client.HttpClient httpClient = HttpClients.createDefault(); Thread t = new Thread() { @Override public void run() { try { get(httpClient, hostName, port, rname, 0, count, batchSize); } catch (Exception x) { x.printStackTrace(); } } }; t.start(); } } private static void get(org.apache.http.client.HttpClient httpClient, String hostName, int port, String partitionName, int firstDocId, int count, int batchSize) throws IOException, InterruptedException { long start = System.currentTimeMillis(); for (int key = firstDocId; key < count; key++) { StringBuilder url = new StringBuilder(); url.append("http://"); url.append(hostName).append(":").append(port); url.append("/amza/get"); url.append("?partition=").append(partitionName); url.append("&key="); Set<String> expectedValues = Sets.newHashSet(); for (int b = 0; b < batchSize; b++) { if (b > 0) { url.append(','); } url.append(b).append('k').append(key); expectedValues.add(b + "v" + key); } while (true) { HttpGet method = new HttpGet(url.toString()); StatusLine statusLine; try { try { HttpResponse response = httpClient.execute(method); statusLine = response.getStatusLine(); if (statusLine.getStatusCode() == 200) { //System.out.println("Got:" + new String(method.getResponseBody())); ArrayNode node = mapper.readValue(EntityUtils.toString(response.getEntity()), ArrayNode.class); for (JsonNode value : node) { if (!value.isNull()) { expectedValues.remove(new String( BaseEncoding.base64().decode(value.textValue()), Charsets.UTF_8)); } } if (!expectedValues.isEmpty()) { System.out.println("Missing values in " + partitionName + " for key " + key + ": " + expectedValues); } break; } } catch (Exception x) { x.printStackTrace(); } Thread.sleep(1000); } finally { method.releaseConnection(); } } if (key % 100 == 0) { long elapse = System.currentTimeMillis() - start; double millisPerAdd = ((double) elapse / (double) key); System.out.println(partitionName + " millisPerGet:" + millisPerAdd + " getsPerSec:" + (1000d / millisPerAdd) + " key:" + key); } } } }