Andre Luiz Silva [https://community.jboss.org/people/andrens] created the discussion "Re: Strange behavior and Performance" To view the discussion, visit: https://community.jboss.org/message/730344#730344 -------------------------------------------------------------- We started several threads calling the webservice to start the process. Here's the code: package timeconsuming; import java.io.File; import java.io.FileWriter; import java.io.IOException; import java.util.ArrayList; import java.util.Date; import java.util.List; import java.util.concurrent.ExecutorService; import java.util.concurrent.Executors; import java.util.concurrent.TimeUnit; import javax.ws.rs.core.MultivaluedMap; import com.sun.jersey.api.client.ClientResponse; import com.sun.jersey.api.client.UniformInterfaceException; import com.sun.jersey.api.client.WebResource; import com.sun.jersey.api.client.config.ClientConfig; import com.sun.jersey.client.apache.ApacheHttpClient; import com.sun.jersey.client.apache.config.DefaultApacheHttpClientConfig; import com.sun.jersey.core.util.MultivaluedMapImpl; public class JbpmProcessTest {           private static final int MAX_TIME = 3; //test maximum time in hours           private static final int THREADS = 50;  //test threads count           private static final String USER = "krisv";           private static final String PASSWORD = "krisv";           private static final String PROCESS_URL = "http://CPQD037542:8080/gwt-console-server/rs/process/definition/%s/new_instance";           public static void main(String[] args) {                     try {                               new JbpmProcessTest().instantiateProcess(1000, "Looping", true, "TesteScript");                     } catch (Exception ex) {                               ex.printStackTrace();                     }           }           public void instantiateProcess(int amount, String title, boolean isThread, final String processId) throws IOException {                     ExecutorService executor = null;                     if (isThread) {                               executor = Executors.newFixedThreadPool(THREADS);                     } else {                               executor = Executors.newSingleThreadExecutor();                     }                     File file = new File("C:\\JBPM" + title + "Test-" + THREADS + ".txt");                     if (!file.exists() && !file.createNewFile()) {                               System.out.println("Error to create file!");                               return;                     }                     final FileWriter writer = new FileWriter(file);                     writer.write("JBPM" + title + "Test\n");                     final List<Long> requestDelays = new ArrayList<Long>();                     Date initialDate = new Date();                     System.out.println("Initiated: " + initialDate);                     writer.write("Initiated: " + initialDate + "\n");                     for (int i = 0; i < amount; i++) {                               final int idx = i;                               executor.execute(                                         new Runnable () {                                                   public void run() {                                                             DefaultApacheHttpClientConfig apcc = new DefaultApacheHttpClientConfig();                                                             apcc.getProperties().put(DefaultApacheHttpClientConfig.PROPERTY_HANDLE_COOKIES, true);                                                             apcc.getProperties().put(ClientConfig.PROPERTY_FOLLOW_REDIRECTS, false);                                                       ApacheHttpClient client = ApacheHttpClient.create(apcc);                                                             WebResource webResource = client.resource(String.format(PROCESS_URL, processId));                                                             // Just to authenticate                                                             try {                                                                       webResource.post(ClientResponse.class);                                                                       MultivaluedMap<String, String> formData = new MultivaluedMapImpl();                                                                       formData.add("j_username", USER);                                                                       formData.add("j_password", PASSWORD);                                                                       webResource.path("/j_security_check").type("application/x-www-form-urlencoded").post(String.class, formData);                                                             } catch (UniformInterfaceException ex) {                                                                       // DO NOTHING                                                             }                                                             long initialDelay = new Date().getTime();                                                             ClientResponse response = webResource.post(ClientResponse.class);                                                             long endDelay = new Date().getTime() - initialDelay;                                                             System.out.println("response " + idx + " : " + response.getStatus() + " Delayed: " + endDelay / 1000);                                                             try {                                                                       writer.write("response " + idx + " : " + response.getStatus() + " Delayed: " + endDelay / 1000 + "\n");                                                                       writer.flush();                                                                       requestDelays.add(endDelay);                                                             } catch (IOException ex) {                                                                       // ex.printStackTrace();                                                             }                                                             client.destroy();                                                   }                                         }                               );                     }                     try {                               executor.shutdown();                               executor.awaitTermination(MAX_TIME, TimeUnit.HOURS);                     } catch (InterruptedException ex) {                               ex.printStackTrace();                     }                     Date endDate = new Date();                     Long delay = endDate.getTime() - initialDate.getTime();                     System.out.println("Finalized: " + endDate);                     writer.write("Finalized: " + endDate + "\n");                     System.out.println("Total Execution Time: " + delay / 1000);                     writer.write("Total Execution Time: " + delay / 1000 + "\n");                     Long totalDelay = 0L;                     for (Long requestDelay : requestDelays) {                               totalDelay += requestDelay;                     }                     System.out.println("Request Delay Average: " + (totalDelay / 1000) / requestDelays.size());                     writer.write("Request Delay Average: " + (totalDelay / 1000)                                         / requestDelays.size() + "\n");                     writer.write("Total Request Amount: " + amount + "\n");                     writer.close();           } } -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/730344#730344] Start a new discussion in jBPM at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]