/**
* Copyright 2015 Netflix, 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.netflix.hystrix.perf;
import com.netflix.hystrix.util.HystrixRollingNumber;
import com.netflix.hystrix.util.HystrixRollingNumberEvent;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Group;
import org.openjdk.jmh.annotations.GroupThreads;
import org.openjdk.jmh.annotations.Level;
import org.openjdk.jmh.annotations.Mode;
import org.openjdk.jmh.annotations.OutputTimeUnit;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.Setup;
import org.openjdk.jmh.annotations.State;
import java.util.Random;
import java.util.concurrent.TimeUnit;
public class RollingNumberPerfTest {
@State(Scope.Thread)
public static class CounterState {
HystrixRollingNumber counter;
@Setup(Level.Iteration)
public void setUp() {
counter = new HystrixRollingNumber(100, 10);
}
}
@State(Scope.Thread)
public static class ValueState {
final Random r = new Random();
int value;
HystrixRollingNumberEvent type;
@Setup(Level.Invocation)
public void setUp() {
value = r.nextInt(100);
int typeInt = r.nextInt(3);
switch(typeInt) {
case 0:
type = HystrixRollingNumberEvent.SUCCESS;
break;
case 1:
type = HystrixRollingNumberEvent.FAILURE;
break;
case 2:
type = HystrixRollingNumberEvent.TIMEOUT;
break;
default: throw new RuntimeException("Unexpected : " + typeInt);
}
}
}
@Benchmark
@BenchmarkMode({Mode.Throughput})
@OutputTimeUnit(TimeUnit.MILLISECONDS)
public HystrixRollingNumber writeOnly(CounterState counterState, ValueState valueState) {
counterState.counter.add(valueState.type, valueState.value);
return counterState.counter;
}
@Benchmark
@BenchmarkMode({Mode.Throughput})
@OutputTimeUnit(TimeUnit.MILLISECONDS)
public long readOnly(CounterState counterState) {
HystrixRollingNumber counter = counterState.counter;
return counter.getCumulativeSum(HystrixRollingNumberEvent.SUCCESS) +
counter.getCumulativeSum(HystrixRollingNumberEvent.FAILURE) +
counter.getCumulativeSum(HystrixRollingNumberEvent.TIMEOUT) +
counter.getRollingSum(HystrixRollingNumberEvent.SUCCESS) +
counter.getRollingSum(HystrixRollingNumberEvent.FAILURE) +
counter.getRollingSum(HystrixRollingNumberEvent.TIMEOUT);
}
@Benchmark
@Group("writeHeavy")
@GroupThreads(7)
@BenchmarkMode({Mode.Throughput})
@OutputTimeUnit(TimeUnit.MILLISECONDS)
public HystrixRollingNumber writeHeavyCounterAdd(CounterState counterState, ValueState valueState) {
counterState.counter.add(valueState.type, valueState.value);
return counterState.counter;
}
@Benchmark
@Group("writeHeavy")
@GroupThreads(1)
@BenchmarkMode({Mode.Throughput})
@OutputTimeUnit(TimeUnit.MILLISECONDS)
public long writeHeavyReadMetrics(CounterState counterState) {
HystrixRollingNumber counter = counterState.counter;
return counter.getCumulativeSum(HystrixRollingNumberEvent.SUCCESS) +
counter.getCumulativeSum(HystrixRollingNumberEvent.FAILURE) +
counter.getCumulativeSum(HystrixRollingNumberEvent.TIMEOUT) +
counter.getRollingSum(HystrixRollingNumberEvent.SUCCESS) +
counter.getRollingSum(HystrixRollingNumberEvent.FAILURE) +
counter.getRollingSum(HystrixRollingNumberEvent.TIMEOUT);
}
@Benchmark
@Group("evenSplit")
@GroupThreads(4)
@BenchmarkMode({Mode.Throughput})
@OutputTimeUnit(TimeUnit.MILLISECONDS)
public HystrixRollingNumber evenSplitCounterAdd(CounterState counterState, ValueState valueState) {
counterState.counter.add(valueState.type, valueState.value);
return counterState.counter;
}
@Benchmark
@Group("evenSplit")
@GroupThreads(4)
@BenchmarkMode({Mode.Throughput})
@OutputTimeUnit(TimeUnit.MILLISECONDS)
public long evenSplitReadMetrics(CounterState counterState) {
HystrixRollingNumber counter = counterState.counter;
return counter.getCumulativeSum(HystrixRollingNumberEvent.SUCCESS) +
counter.getCumulativeSum(HystrixRollingNumberEvent.FAILURE) +
counter.getCumulativeSum(HystrixRollingNumberEvent.TIMEOUT) +
counter.getRollingSum(HystrixRollingNumberEvent.SUCCESS) +
counter.getRollingSum(HystrixRollingNumberEvent.FAILURE) +
counter.getRollingSum(HystrixRollingNumberEvent.TIMEOUT);
}
@Benchmark
@Group("readHeavy")
@GroupThreads(1)
@BenchmarkMode({Mode.Throughput})
@OutputTimeUnit(TimeUnit.MILLISECONDS)
public HystrixRollingNumber readHeavyCounterAdd(CounterState counterState, ValueState valueState) {
counterState.counter.add(valueState.type, valueState.value);
return counterState.counter;
}
@Benchmark
@Group("readHeavy")
@GroupThreads(7)
@BenchmarkMode({Mode.Throughput})
@OutputTimeUnit(TimeUnit.MILLISECONDS)
public long readHeavyReadMetrics(CounterState counterState) {
HystrixRollingNumber counter = counterState.counter;
return counter.getCumulativeSum(HystrixRollingNumberEvent.SUCCESS) +
counter.getCumulativeSum(HystrixRollingNumberEvent.FAILURE) +
counter.getCumulativeSum(HystrixRollingNumberEvent.TIMEOUT) +
counter.getRollingSum(HystrixRollingNumberEvent.SUCCESS) +
counter.getRollingSum(HystrixRollingNumberEvent.FAILURE) +
counter.getRollingSum(HystrixRollingNumberEvent.TIMEOUT);
}
}