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https://issues.apache.org/jira/browse/SUREFIRE-1179?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14802961#comment-14802961
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Tibor Digana commented on SUREFIRE-1179:
----------------------------------------
I run your project, used delay of 200 ms and printed size of ConcurrentHashMap
which is concurrency.
I guess this is TestNG issue.
Try to run the test in a console application with TestNG class and configure it
right there with 30 parallel threads.
{code}
TestNG testng = new TestNG();
testng.setTestClasses(new Class[] { ParallelTest.class });
testng.addListener(tla);
testng.run();
{code}
You can see class TestNGMapConfigurator in our code with configuring
parallelism.
http://testng.org/doc/documentation-main.html#parallel-running
> TestNG parallel options seem to not be honored
> ----------------------------------------------
>
> Key: SUREFIRE-1179
> URL: https://issues.apache.org/jira/browse/SUREFIRE-1179
> Project: Maven Surefire
> Issue Type: Bug
> Components: TestNG support
> Affects Versions: 2.18.1
> Environment: Windows 7 x64, Java 8 (1.8.0_60), TestNG v6.9.6, Maven
> Surefire version 2.18.1
> Reporter: Jeff Vincent
> Assignee: Tibor Digana
> Attachments: testng-test.zip
>
>
> I have some simple tests I'm trying to configure to run in parallel using
> Maven 3.3.3 and the latest versions of TestNG. I've set my POM file to the
> following:
> <plugin>
> <groupId>org.apache.maven.plugins</groupId>
> <artifactId>maven-surefire-plugin</artifactId>
> <version>2.18.1</version>
> <configuration>
> <parallel>methods</parallel>
> <threadCount>50</threadCount>
> </configuration>
> </plugin>
> When I run in parallel, I only get 10 threads no matter the setting and I can
> not change it. I've tried adding the annotation parameter to the method as
> well:
> @Test(dataProvider = "dataProvider", threadPoolSize = 50)
> Nothing seems to help. I have a simple project that illustrates what I'm
> seeing.
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