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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespasummarybenchmark;
import com.yahoo.compress.CompressionType;
import com.yahoo.document.GlobalId;
import com.yahoo.document.idstring.IdString;
import com.yahoo.document.serialization.DeserializationException;
import com.yahoo.jrt.DataValue;
import com.yahoo.jrt.Int32Value;
import com.yahoo.jrt.Int8Value;
import com.yahoo.jrt.Request;
import com.yahoo.jrt.RequestWaiter;
import com.yahoo.jrt.Spec;
import com.yahoo.jrt.Supervisor;
import com.yahoo.jrt.Target;
import com.yahoo.jrt.Transport;
import com.yahoo.jrt.Values;
import com.yahoo.log.LogSetup;
import com.yahoo.slime.BinaryFormat;
import com.yahoo.slime.Cursor;
import com.yahoo.slime.JsonFormat;
import com.yahoo.slime.Slime;
import net.jpountz.lz4.LZ4Factory;
import net.jpountz.lz4.LZ4FastDecompressor;
import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.time.Duration;
import java.util.ArrayList;
import java.util.List;
/**
*
* This is used for testing and benchmarking rpc docsum interface.
* time vespa-summary-benchmark file-containing-docids connectionspec summary-class repetitions threads
* fx ' time vespa-summary-benchmark feed.xml tcp/localhost:19115 keyvaluesummary 10000 32'
*
* @author baldersheim
*/
public class VespaSummaryBenchmark {
private final Supervisor supervisor = new Supervisor(new Transport("client"));
private static final LZ4Factory lz4Factory = LZ4Factory.fastestInstance();
private VespaSummaryBenchmark() { }
private static List<String> getDocIds(String fileName) {
try {
FileInputStream fstream = new FileInputStream(fileName);
DataInputStream in = new DataInputStream(fstream);
BufferedReader br = new BufferedReader(new InputStreamReader(in));
String strLine;
List<String> docIds = new ArrayList<>();
while ((strLine = br.readLine()) != null) {
docIds.add(strLine);
}
in.close();
return docIds;
} catch (IOException e) {
throw new RuntimeException(e);
}
}
private List<Target> getTargets(String connectionSpec, int numTargets) {
List<Target> targets = new ArrayList<>(numTargets);
for ( int i=0; i < numTargets; i++) {
targets.add(supervisor.connect(new Spec(connectionSpec)));
}
return targets;
}
private static Slime createDocsumRequest(String summaryClass, List<GlobalId> gids) {
Slime docsumRequest = new Slime();
Cursor root = docsumRequest.setObject();
root.setString("class", summaryClass);
Cursor gidCursor = root.setArray("gids");
for (GlobalId gid : gids) {
gidCursor.addData(gid.getRawId());
}
return docsumRequest;
}
private static class Waiter implements RequestWaiter {
int waitingFor;
boolean dump;
Waiter(int expect, boolean dump) {
waitingFor = expect;
this.dump = dump;
}
private void print(Request request) {
Values ret = request.returnValues();
CompressionType type = CompressionType.valueOf(ret.get(0).asInt8());
int uncompressedSize = ret.get(1).asInt32();
byte [] blob = ret.get(2).asData();
if (type == CompressionType.LZ4) {
LZ4FastDecompressor decompressor = lz4Factory.fastDecompressor();
byte [] uncompressed = new byte [uncompressedSize];
int compressedLength = decompressor.decompress(blob, 0, uncompressed, 0, uncompressedSize);
if (compressedLength != blob.length) {
throw new DeserializationException("LZ4 decompression failed. compressed size does not match. Expected " + blob.length + ". Got " + compressedLength);
}
blob = uncompressed;
}
Slime slime = BinaryFormat.decode(blob);
try {
new JsonFormat(true).encode(System.out, slime);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
@Override
public void handleRequestDone(Request request) {
synchronized (this) {
if (dump) {
print(request);
dump = false;
}
waitingFor--;
if (waitingFor == 0) {
this.notifyAll();
}
}
}
void waitForReplies() throws InterruptedException {
synchronized (this) {
while (waitingFor > 0) {
this.wait();
}
}
}
}
private static void fetchDocIds(String summaryClass, List<Target> targets, List<GlobalId> gids, boolean dump) {
Slime docsumRequest = createDocsumRequest(summaryClass, gids);
byte [] blob = BinaryFormat.encode(docsumRequest);
Waiter waiter = new Waiter(targets.size(), dump);
for (Target target : targets) {
Request r = new Request("proton.getDocsums");
r.parameters().add(new Int8Value(CompressionType.NONE.getCode()));
r.parameters().add(new Int32Value(blob.length));
r.parameters().add(new DataValue(blob));
target.invokeAsync(r, Duration.ofSeconds(100), waiter);
}
try {
waiter.waitForReplies();
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
}
public static void main(String[] args) {
LogSetup.initVespaLogging("vespasummarybenchmark");
String docidFileName = args[0];
String connectionSpec = args[1];
String summaryClass = args[2];
int numRuns = Integer.parseInt(args[3]);
int numTargets = Integer.parseInt(args[4]);
VespaSummaryBenchmark benchmark = new VespaSummaryBenchmark();
List<String> docIds = getDocIds(docidFileName);
List<GlobalId> gids = new ArrayList<>(docIds.size());
for (String docid : docIds) {
GlobalId gid = new GlobalId(IdString.createIdString(docid));
gids.add(gid);
}
List<Target> targets = benchmark.getTargets(connectionSpec, numTargets);
for (int i = 0; i < numRuns; i++) {
fetchDocIds(summaryClass, targets, gids, i==0);
}
}
}
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