<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>All,</div><div><br></div><div>I tried telling maven to use all my cores (8 if you count hyper-threaded cores) and I've seen a 33% reduction in build times. Here's my results:</div><div><br></div><div>./build.sh clean install -DskipTests<span class="Apple-tab-span" style="white-space:pre"> </span>3:43</div><div>./build.sh clean install -DskipTests -T 4<span class="Apple-tab-span" style="white-space:pre"> </span>2:57</div><div>./build.sh clean install -DskipTests -T 8<span class="Apple-tab-span" style="white-space:pre"> </span>2:30</div><div><br></div><div>I'm using an SSD, so YMMV.</div><div><br></div><div>However, there are 4 plugins that are not marked as @ThreadSafe, so i'm not sure how safe this is.</div><div><br></div><div>[WARNING] org.apache.maven.plugins:maven-help-plugin:2.2 (Can't find an issue for this yet)</div><div>[WARNING] org.codehaus.mojo:buildnumber-maven-plugin:1.2 (Claims to be fixed in 1.2: <a href="http://jira.codehaus.org/browse/MBUILDNUM-13">http://jira.codehaus.org/browse/MBUILDNUM-13</a>)</div><div>[WARNING] org.codehaus.mojo:xml-maven-plugin:1.0 (Unresolved: <a href="http://jira.codehaus.org/browse/MOJO-1709">http://jira.codehaus.org/browse/MOJO-1709</a>)</div><div>[WARNING] org.kuali.maven.plugins:properties-maven-plugin:1.5.3 (Unresolved: <a href="http://jira.codehaus.org/browse/MOJO-1677">http://jira.codehaus.org/browse/MOJO-1677</a>)</div><div><br></div><div>For more info on parallel maven builds:</div><div><br></div><div><a href="https://cwiki.apache.org/MAVEN/parallel-builds-in-maven-3.html">https://cwiki.apache.org/MAVEN/parallel-builds-in-maven-3.html</a></div><div><br></div><div>Has anyone else experimented with this feature?</div><div><br></div><div>Paul.</div><div><br></div><div apple-content-edited="true">
<span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">-- <br>Paul Robinson<br>Web Service Transactions Lead<br><a href="mailto:paul.robinson@redhat.com">paul.robinson@redhat.com</a><br><br>JBoss, a Division of Red Hat<br>Registered in England and Wales under Company Registration No. 03798903<br>Directors: Michael Cunningham (USA), Brendan Lane (Ireland), Matt Parson<br>(USA), Charlie Peters (USA)</div></span></span>
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