Re: [jetty-users] Embedded Jetty 9 handle one request at a time [expect

[Bhuvan Gupta <bhuvangu@xxxxxxxxx>]

yep it was problem with the browser.. when i used jmeter to test it worked fine

On Fri, Jan 9, 2015 at 7:55 PM, Jan Bartel <janb@xxxxxxxxxxx> wrote:

Browsers have a simultaneous connection limit for each destination.
Older browsers had 2, more modern ones have 6 or more. Eg your code
executes on my system (firefox 34.0) in batches of 6 (ie 6
simultaneous connections).

Jan

On 9 January 2015 at 13:09, Bhuvan Gupta <bhuvangu@xxxxxxxxx> wrote:
> I am using jetty 9 in embedded mode and even though i have given a
> threadpool of 500 the server still just handle one request at a time.
>
> What am i missing ?
>
>
> JAVA CODE:
> // here i expect all thread name log to print instantaneously but they print
> one by one
>
>
> public class Main {
>
>         public static void main(String[] arg) throws Exception {
>
>                 ExecutorThreadPool executorThreadPool = new
> ExecutorThreadPool(Executors.newFixedThreadPool(500));
>                 final Server server = new Server(executorThreadPool);
>
>                 final ServerConnector connector0 = new
> ServerConnector(server);
>                 connector0.addBean(executorThreadPool);
>                 connector0.setPort(8080);
>             server.setHandler(new HelloHandler());
>         server.setConnectors(new Connector[] {connector0});
>             server.setDumpAfterStart(true);
>             server.start();
>             server.join();
>         }
> }
>
> class HelloHandler extends AbstractHandler
> {
>     public void handle(String target,Request baseRequest,HttpServletRequest
> request,HttpServletResponse response)
>         throws IOException, ServletException
>     {
>         try {
>
>                 System.out.println("Thread Name+" +
> Thread.currentThread().getName());
>                         Thread.sleep(3000l);
>                 } catch (InterruptedException e) {
>                         // TODO Auto-generated catch block
>                         e.printStackTrace();
>                 }
>         response.setContentType("text/html;charset=utf-8");
>         response.setStatus(HttpServletResponse.SC_OK);
>         baseRequest.setHandled(true);
>         response.getWriter().println("<h1>Hello World</h1>");
>     }
> }
>
> POM.XML
>
> <project xmlns="http://maven.apache.org/POM/4.0.0"
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
>         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
> http://maven.apache.org/xsd/maven-4.0.0.xsd">
>         <modelVersion>4.0.0</modelVersion>
>         <groupId>Test</groupId>
>         <artifactId>test</artifactId>
>         <version>0.0.1-SNAPSHOT</version>
>
>         <dependencies>
>                 <dependency>
>                         <groupId>org.eclipse.jetty</groupId>
>                         <artifactId>jetty-server</artifactId>
>                         <version>9.2.6.v20141205</version>
>                 </dependency>
>         </dependencies>
> </project>
>
> _javascript_ script i fired from my browser to test"
>
> function httpGet(theUrl)
> {
>     var xmlHttp = null;
>
>     xmlHttp = new XMLHttpRequest();
>     xmlHttp.open( "GET", theUrl, true );
>     xmlHttp.send( null );
>     return xmlHttp.responseText;
> }
> for(i=0;i<20;i++) {console.log(i);httpGet("http://localhost:8080");}
>
>

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--
Jan Bartel <janb@xxxxxxxxxxx>
www.webtide.com
'Expert Jetty/CometD developer,production,operations advice'
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