package experiments;
import backtype.storm.Config;
import backtype.storm.LocalCluster;
import backtype.storm.StormSubmitter;
import backtype.storm.spout.SpoutOutputCollector;
import backtype.storm.task.OutputCollector;
import backtype.storm.task.TopologyContext;
import backtype.storm.topology.IRichBolt;
import backtype.storm.topology.OutputFieldsDeclarer;
import backtype.storm.topology.TopologyBuilder;
import backtype.storm.topology.base.BaseRichSpout;
import backtype.storm.tuple.Fields;
import backtype.storm.tuple.Tuple;
import backtype.storm.tuple.Values;
import com.github.projectflink.generators.Utils;
import org.apache.flink.api.java.utils.ParameterTool;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.List;
import java.util.Map;
import java.util.Random;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* Args for local:
*
* --para 4 --sourceParallelism 2 --sinkParallelism 2 --logfreq 100000 --words 2000 --delay 0 --sleepFreq 0 --latencyFreq 100000 --local
*/
public class ForwardThroughput {
public static Logger LOG = LoggerFactory.getLogger(ForwardThroughput.class);
public static Fields FIELDS = new Fields("string", "time");
public static class Generator extends BaseRichSpout {
private final int delay;
private final boolean withFt;
private final int latFreq;
private final ParameterTool pt;
private SpoutOutputCollector spoutOutputCollector;
private long id = 0;
private long time = 0;
private int sleepFreq;
private String[] texts;
private int i = 0;
public Generator(ParameterTool pt) {
this.delay = pt.getInt("delay");
this.withFt = pt.has("ft");
this.latFreq = pt.getInt("latencyFreq");
this.sleepFreq = pt.getInt("sleepFreq");
this.pt = pt;
}
@Override
public void declareOutputFields(OutputFieldsDeclarer outputFieldsDeclarer) {
outputFieldsDeclarer.declare(FIELDS);
}
@Override
public void open(Map map, TopologyContext topologyContext, SpoutOutputCollector spoutOutputCollector) {
this.spoutOutputCollector = spoutOutputCollector;
Random rnd = new Random(1337);
texts = new String[pt.getInt("words")];
int totLength = 0;
for (int i = 0; i < pt.getInt("words"); i++) {
String str = "";
int sentenceLength = rnd.nextInt(25); // up to 16 words per sentence
for (int s = 0; s < sentenceLength; s++) {
str += Utils.getFastZipfRandomWord();
str += " ";
}
totLength += str.length();
texts[i] = str;
}
LOG.info("Average string length "+(totLength/(double)pt.getInt("words")));
}
@Override
public void nextTuple() {
if(delay > 0) {
if(id % sleepFreq == 0) {
try { Thread.sleep(delay); } catch (InterruptedException e) { e.printStackTrace();}
}
}
if(id % latFreq == 0) {
time = System.currentTimeMillis();
}
if(withFt) {
spoutOutputCollector.emit(new Values(texts[i], this.time), i);
} else {
spoutOutputCollector.emit(new Values(texts[i], this.time));
}
if(++i == texts.length) {
i = 0;
}
time = 0;
this.id++;
}
@Override
public void ack(Object msgId) {
// LOG.info("Acked msg "+msgId);
}
/**
* Resend failed tuple
*
*/
@Override
public void fail(Object msgId) {
Integer id = (Integer)msgId;
LOG.info("Failed message " + msgId);
spoutOutputCollector.emit(new Values(texts[id], 0L), id);
}
}
public static class Sink implements IRichBolt {
private final boolean withFT;
long received = 0;
long start = 0;
ParameterTool pt;
private OutputCollector collector;
private long logfreq;
private long lastLog = -1;
private long lastElements;
private long matches = 0;
private final Pattern threeDigitAbbr = Pattern.compile("[A-Z]{3}\\.");
public Sink(ParameterTool pt) throws UnknownHostException {
this.pt = pt;
this.withFT = pt.has("ft");
this.logfreq = pt.getInt("logfreq");
}
@Override
public void execute(Tuple input) {
Matcher m = threeDigitAbbr.matcher(input.getString(0));
if (m.matches()) {
matches++;
}
if(start == 0) {
start = System.currentTimeMillis();
}
received++;
if(received % logfreq == 0) {
long now = System.currentTimeMillis();
// throughput for the last "logfreq" elements
if(lastLog == -1) {
// init (the first)
lastLog = now;
lastElements = received;
} else {
long timeDiff = now - lastLog;
long elementDiff = received - lastElements;
double ex = (1000/(double)timeDiff);
LOG.info("During the last {} ms, we received {} elements. That's {} elements/second/core", timeDiff, elementDiff, elementDiff*ex);
// reinit
lastLog = now;
lastElements = received;
}
}
if(input.getLong(1) != 0) {
long lat = System.currentTimeMillis() - input.getLong(1);
LOG.info("Latency {} ms from same machine", lat);
}
if(withFT) {
collector.ack(input);
}
}
@Override
public void declareOutputFields(OutputFieldsDeclarer declarer) {
}
@Override
public Map<String, Object> getComponentConfiguration() {
return null;
}
@Override
public void prepare(Map stormConf, TopologyContext context, OutputCollector collector) {
this.collector = collector;
}
@Override
public void cleanup() {
}
}
public static void main(String[] args) throws Exception {
ParameterTool pt = ParameterTool.fromArgs(args);
int par = pt.getInt("para");
TopologyBuilder builder = new TopologyBuilder();
builder.setSpout("source0", new Generator(pt), pt.getInt("sourceParallelism"));
//builder.setBolt("sink", new Sink(pt), pt.getInt("sinkParallelism")).noneGrouping("source0");
builder.setBolt("sink", new Sink(pt), pt.getInt("sinkParallelism")).localOrShuffleGrouping("source0");
Config conf = new Config();
conf.setDebug(false);
conf.setMaxSpoutPending(pt.getInt("maxPending", 1000));
//System.exit(1);
if (!pt.has("local")) {
conf.setNumWorkers(par);
StormSubmitter.submitTopologyWithProgressBar("forward-throughput-"+pt.get("name", "no_name"), conf, builder.createTopology());
}
else {
conf.setMaxTaskParallelism(par);
LocalCluster cluster = new LocalCluster();
cluster.submitTopology("forward-throughput", conf, builder.createTopology());
Thread.sleep(300000);
cluster.shutdown();
}
}
}