/**
* 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.HystrixCommand;
import com.netflix.hystrix.HystrixCommandGroupKey;
import com.netflix.hystrix.HystrixCommandMetrics;
import com.netflix.hystrix.HystrixCommandProperties;
import com.netflix.hystrix.HystrixEventType;
import com.netflix.hystrix.HystrixThreadPoolProperties;
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.Param;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.Setup;
import org.openjdk.jmh.annotations.State;
import java.util.concurrent.TimeUnit;
public class CommandExecutionAndConcurrentMetricsReadPerfTest {
@State(Scope.Thread)
public static class CommandState {
HystrixCommand<Integer> command;
@Param({"THREAD", "SEMAPHORE"})
public HystrixCommandProperties.ExecutionIsolationStrategy isolationStrategy;
@Setup(Level.Invocation)
public void setUp() {
command = new HystrixCommand<Integer>(
HystrixCommand.Setter.withGroupKey(HystrixCommandGroupKey.Factory.asKey("PERF"))
.andCommandPropertiesDefaults(
HystrixCommandProperties.Setter()
.withExecutionIsolationStrategy(isolationStrategy)
.withRequestCacheEnabled(true)
.withRequestLogEnabled(true)
.withCircuitBreakerEnabled(true)
.withCircuitBreakerForceOpen(false)
)
.andThreadPoolPropertiesDefaults(
HystrixThreadPoolProperties.Setter()
.withCoreSize(100)
)
) {
@Override
protected Integer run() throws Exception {
return 1;
}
@Override
protected Integer getFallback() {
return 2;
}
};
}
}
@Benchmark
@Group("writeHeavy")
@GroupThreads(7)
@BenchmarkMode({Mode.Throughput})
@OutputTimeUnit(TimeUnit.MILLISECONDS)
public Integer writeHeavyCommandExecution(CommandState state) {
return state.command.observe().toBlocking().first();
}
@Benchmark
@Group("writeHeavy")
@GroupThreads(1)
@BenchmarkMode({Mode.Throughput})
@OutputTimeUnit(TimeUnit.MILLISECONDS)
public long writeHeavyReadMetrics(CommandState state) {
HystrixCommandMetrics metrics = state.command.getMetrics();
return metrics.getExecutionTimeMean()
+ metrics.getExecutionTimePercentile(50)
+ metrics.getExecutionTimePercentile(75)
+ metrics.getExecutionTimePercentile(99)
+ metrics.getCumulativeCount(HystrixEventType.SUCCESS)
+ metrics.getRollingCount(HystrixEventType.FAILURE)
+ metrics.getRollingMaxConcurrentExecutions();
}
@Benchmark
@Group("evenSplit")
@GroupThreads(4)
@BenchmarkMode({Mode.Throughput})
@OutputTimeUnit(TimeUnit.MILLISECONDS)
public Integer evenSplitOfWritesAndReadsCommandExecution(CommandState state) {
return state.command.observe().toBlocking().first();
}
@Benchmark
@Group("evenSplit")
@GroupThreads(4)
@BenchmarkMode({Mode.Throughput})
@OutputTimeUnit(TimeUnit.MILLISECONDS)
public long evenSplitOfWritesAndReadsReadMetrics(CommandState state) {
HystrixCommandMetrics metrics = state.command.getMetrics();
return metrics.getExecutionTimeMean()
+ metrics.getExecutionTimePercentile(50)
+ metrics.getExecutionTimePercentile(75)
+ metrics.getExecutionTimePercentile(99)
+ metrics.getCumulativeCount(HystrixEventType.SUCCESS)
+ metrics.getRollingCount(HystrixEventType.FAILURE)
+ metrics.getRollingMaxConcurrentExecutions();
}
@Benchmark
@Group("readHeavy")
@GroupThreads(1)
@BenchmarkMode({Mode.Throughput})
@OutputTimeUnit(TimeUnit.MILLISECONDS)
public Integer readHeavyCommandExecution(CommandState state) {
return state.command.observe().toBlocking().first();
}
@Benchmark
@Group("readHeavy")
@GroupThreads(7)
@BenchmarkMode({Mode.Throughput})
@OutputTimeUnit(TimeUnit.MILLISECONDS)
public Long readHeavyReadMetrics(CommandState state) {
HystrixCommandMetrics metrics = state.command.getMetrics();
return metrics.getExecutionTimeMean()
+ metrics.getExecutionTimePercentile(50)
+ metrics.getExecutionTimePercentile(75)
+ metrics.getExecutionTimePercentile(99)
+ metrics.getCumulativeCount(HystrixEventType.SUCCESS)
+ metrics.getRollingCount(HystrixEventType.FAILURE)
+ metrics.getRollingMaxConcurrentExecutions();
}
}