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https://issues.apache.org/jira/browse/FLINK-2853?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14964383#comment-14964383
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ASF GitHub Bot commented on FLINK-2853:
---------------------------------------
Github user gallenvara commented on a diff in the pull request:
https://github.com/apache/flink/pull/1267#discussion_r42448095
--- Diff:
flink-benchmark/src/test/java/org/apache/flink/runtime/operators/hash/MutableHashTablePerformanceBenchmark.java
---
@@ -0,0 +1,360 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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
+ * <p/>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p/>
+ * 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 org.apache.flink.runtime.operators.hash;
+
+import java.io.IOException;
+import java.util.List;
+import java.util.concurrent.TimeUnit;
+
+import org.apache.flink.api.common.typeutils.TypeComparator;
+import org.apache.flink.api.common.typeutils.TypePairComparator;
+import org.apache.flink.api.common.typeutils.TypeSerializer;
+import org.apache.flink.core.memory.MemorySegment;
+import org.apache.flink.runtime.io.disk.iomanager.IOManager;
+import org.apache.flink.runtime.io.disk.iomanager.IOManagerAsync;
+import org.apache.flink.runtime.jobgraph.tasks.AbstractInvokable;
+import org.apache.flink.runtime.memory.MemoryAllocationException;
+import org.apache.flink.runtime.memory.MemoryManager;
+import org.apache.flink.runtime.operators.testutils.DummyInvokable;
+import org.apache.flink.runtime.operators.testutils.types.StringPair;
+import
org.apache.flink.runtime.operators.testutils.types.StringPairComparator;
+import
org.apache.flink.runtime.operators.testutils.types.StringPairPairComparator;
+import
org.apache.flink.runtime.operators.testutils.types.StringPairSerializer;
+import org.apache.flink.util.MutableObjectIterator;
+
+import org.junit.Assert;
+import org.openjdk.jmh.annotations.*;
+import org.openjdk.jmh.runner.Runner;
+import org.openjdk.jmh.runner.options.Options;
+import org.openjdk.jmh.runner.options.OptionsBuilder;
+
+import static org.junit.Assert.fail;
+
+@State(Scope.Thread)
+@BenchmarkMode(Mode.AverageTime)
+@OutputTimeUnit(TimeUnit.MILLISECONDS)
+public class MutableHashTablePerformanceBenchmark {
--- End diff --
This class is already under the `flink-benchmark` module.The package name
is confused(same as `flink-runtime` module in order to keep the structure), i
will change the package name.
> Apply JMH on MutableHashTablePerformanceBenchmark class.
> --------------------------------------------------------
>
> Key: FLINK-2853
> URL: https://issues.apache.org/jira/browse/FLINK-2853
> Project: Flink
> Issue Type: Sub-task
> Components: Tests
> Reporter: GaoLun
> Assignee: GaoLun
> Priority: Minor
> Labels: easyfix
>
> JMH is a Java harness for building, running, and analysing
> nano/micro/milli/macro benchmarks.Use JMH to replace the old micro benchmarks
> method in order to get much more accurate results.
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