Github user mikaelstaldal commented on the issue:
https://github.com/apache/logging-log4j2/pull/87
I tried to run:
```
java -jar log4j-perf/target/benchmarks.jar
".*Log4j2AppenderLatencyBenchmark.end2end" -f 1 -wi 1 -i 30 -t 2 -p
loggerType=MMap
```
but got this result:
```
# VM invoker: /opt/jvm/jdk1.8.0_131/jre/bin/java
# VM options: <none>
# Warmup: 1 iterations, 1 s each
# Measurement: 30 iterations, 1 s each
# Timeout: 10 min per iteration
# Threads: 2 threads, will synchronize iterations
# Benchmark mode: Throughput, ops/time
# Benchmark:
org.apache.logging.log4j.perf.jmh.Log4j2AppenderLatencyBenchmark.end2end
# Parameters: (loggerType = MMap)
# Run progress: 0.00% complete, ETA 00:00:31
# Fork: 1 of 1
# Warmup Iteration 1: 818183.651 ops/s
Iteration 1: 677355.347 ops/s
Iteration 2: <failure>
java.lang.ArrayIndexOutOfBoundsException: value outside of histogram
covered range. Caused by: java.lang.IndexOutOfBoundsException: index 21813
at
org.HdrHistogram.AbstractHistogram.handleRecordException(AbstractHistogram.java:492)
at
org.HdrHistogram.AbstractHistogram.recordSingleValue(AbstractHistogram.java:484)
at
org.HdrHistogram.AbstractHistogram.recordValue(AbstractHistogram.java:397)
at
org.apache.logging.log4j.perf.jmh.Log4j2AppenderLatencyBenchmark.end2end(Log4j2AppenderLatencyBenchmark.java:106)
at
org.apache.logging.log4j.perf.jmh.generated.Log4j2AppenderLatencyBenchmark_end2end.end2end_thrpt_jmhStub(Log4j2AppenderLatencyBenchmark_end2end.java:125)
at
org.apache.logging.log4j.perf.jmh.generated.Log4j2AppenderLatencyBenchmark_end2end.end2end_Throughput(Log4j2AppenderLatencyBenchmark_end2end.java:70)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.openjdk.jmh.runner.LoopBenchmarkHandler$BenchmarkTask.call(LoopBenchmarkHandler.java:198)
at
org.openjdk.jmh.runner.LoopBenchmarkHandler$BenchmarkTask.call(LoopBenchmarkHandler.java:180)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:748)
# Run complete. Total time: 00:00:04
Benchmark Mode Samples Score Error Units
```
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