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POHow to increase Jetty threadpool size with jetty-runner on Heroku?
 

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  1. POHow to increase Jetty threadpool size with jetty-runner on Heroku?
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    <p>I have a Java (Spring MVC) webapp running on Heroku. It uses the setup described in this article: <a href="https://devcenter.heroku.com/articles/spring-mvc-hibernate" rel="nofollow noreferrer">Getting Started with Spring MVC Hibernate on Heroku</a></p> <p>It looks like Jetty by default uses just one thread. Given this Heroku &amp; jetty-runner setup, <strong>what is the simplest way to increase the threadpool size</strong>? </p> <p>NB: I do not have any custom Jetty related code (so it's unclear how I'd apply the advice e.g. at: <a href="https://stackoverflow.com/questions/7444800/how-to-use-setthreadpool-in-jetty">How to use setThreadPool() in Jetty</a>). If possible, I'd prefer to keep it that way. Everything Jetty-related is now in Procfile and pom.xml (see below).</p> <p>Can I set the threadpool size with some jetty-runner parameter or config option? If I need to create a Jetty config file, how do I make Heroku/jetty-runner use it?</p> <p>Procfile:</p> <pre class="lang-none prettyprint-override"><code>web: java $JAVA_OPTS -jar target/dependency/jetty-runner.jar --port $PORT target/*.war </code></pre> <p>pom.xml:</p> <pre class="lang-xml prettyprint-override"><code>&lt;plugin&gt; &lt;groupId&gt;org.apache.maven.plugins&lt;/groupId&gt; &lt;artifactId&gt;maven-dependency-plugin&lt;/artifactId&gt; &lt;version&gt;2.7&lt;/version&gt; &lt;executions&gt; &lt;execution&gt; &lt;phase&gt;package&lt;/phase&gt; &lt;goals&gt; &lt;goal&gt;copy&lt;/goal&gt; &lt;/goals&gt; &lt;configuration&gt; &lt;artifactItems&gt; &lt;artifactItem&gt; &lt;groupId&gt;org.mortbay.jetty&lt;/groupId&gt; &lt;artifactId&gt;jetty-runner&lt;/artifactId&gt; &lt;version&gt;8.1.10.v20130312&lt;/version&gt; &lt;destFileName&gt;jetty-runner.jar&lt;/destFileName&gt; &lt;/artifactItem&gt; &lt;/artifactItems&gt; &lt;/configuration&gt; &lt;/execution&gt; &lt;/executions&gt; &lt;/plugin&gt; </code></pre>
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      1. POHow to increase Jetty threadpool size with jetty-runner on Heroku?
      1. USThiago Ganzarolli
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    1. CO(I've looked at http://stackoverflow.com/questions/13097557/how-to-multithread-jetty-restful-service-on-heroku?rq=1 but it just points to http://stackoverflow.com/questions/7444800/how-to-use-setthreadpool-in-jetty, which, as mentioned, doesn't directly answer my question.)
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