[weld-issues] [JBoss JIRA] (WELD-2322) BeanmanagerImpl.instance() takes 200 times longer as in Version 2.4

JIRA Thu, 26 Jan 2017 00:23:37 -0800

Title: Message Title

Weld version is 2.4.1.Final

The reason of starting investigation on it, is the impact in an real world application, but it is also measurable with a small unit test.
Bean discovery mode is ALL.

WeldTest.java
package weld.tests;

import org.jboss.weld.environment.se.Weld;
import org.jboss.weld.environment.se.WeldContainer;
import org.jboss.weld.manager.api.WeldManager;
import org.junit.Test;

import com.google.common.base.Stopwatch;

public class WeldTest {

@Test
public void test() {
for (int i = 0; i < 10; i++) {
run();
}
}

private void run() {
try (final WeldContainer container = new Weld().initialize()) {
final WeldManager beanManager = (WeldManager) container.getBeanManager();
final Stopwatch stopwatch = Stopwatch.createStarted();
for (int i = 0; i < 1000; i++) {
beanManager.instance();
}
System.out.println(container.getId() + " " + stopwatch);
}
}
}

Results:

With weld 2.4.1
eb85bab1-a797-425f-9dba-b22072d0248f 5.667 ms
64bee1c8-d991-4e73-a783-278792a9fcc6 1.867 ms
ad657714-e8ed-4618-979c-b15a7b328f52 1.414 ms
5f53def6-935f-4ec9-8816-cf4498bab9d3 1.488 ms
70bd2f45-e4f5-4af7-80c2-ba2a98d184d8 2.161 ms
9114aff3-2d1a-45b3-b43d-a79eb961f661 1.179 ms
a7b3050f-2819-40fa-8146-31cbce6a8cdf 1.264 ms
e5fd92db-d493-4ad3-9d36-11ba32b84074 1.850 ms
a83cb6a3-9532-47ef-9d8d-deaf9a50e528 1.132 ms
63ec5229-2b03-4977-b233-661825bf5b2b 968.1 μs

With Weld 3.0.0 CR
e458fa23-e7db-45ff-8f9e-5855825b5b1a 353.8 ms
a69cf54f-12f5-47da-8873-adff1eee8513 487.2 ms
a98efa6d-bf2d-4d81-baa8-49e373d8009f 427.3 ms
f83ed503-3452-4a4f-b93e-4bc234fbe981 345.1 ms
7b854320-b66d-48ba-9e2a-59389e16ccf4 371.9 ms
fca178ca-50a9-41fb-9e31-5d740fb52677 342.6 ms
47c40545-806f-420e-b77d-98262bdf9355 456.4 ms
1242463b-33f8-48e9-bcc2-7dce44034bfd 328.4 ms
0951b69b-0fcd-4ebe-af29-d41dacaffbf0 337.8 ms
ca1a806a-24cf-4b18-8517-35cc169c6bfc 334.2 ms

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[weld-issues] [JBoss JIRA] (WELD-2322) BeanmanagerImpl.instance() takes 200 times longer as in Version 2.4

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