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<td class="page-title-pattern-first-line " style="padding: 0px; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; padding-top: 10px"> <a href="https://hibernate.atlassian.net/browse/HHH" style="color: #3b73af; text-decoration: none">Hibernate ORM</a> / <a href="https://hibernate.atlassian.net/browse/HHH-10414" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-581cb218-b889-46f9-84f7-2d18fcfbe956" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-10414" style="color: #3b73af; text-decoration: none">HHH-10414</a> </td>
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<th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Change By:</th>
<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="cmb" id="email_cmb" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=cmb" style="color:#6c797f;; color: #3b73af; text-decoration: none">Chris Boyle</a> </td>
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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0px; border-collapse: collapse; padding: 0 0 10px 0"> <span class="diffcontext">Attached is an example project that simply opens an {{EntityManagerFactory}} and closes it, forever, with no entity classes.<br><br>When this project is built into a single jar, including Hibernate and its dependencies, an increasing amount of memory is used outside of the Java heap, up to several GB, and this does not happen when the project is run as separate jars. As the screenshot shows, the memory appears in {{ps}} as resident, but does not appear in JVisualVM's graph of the heap size. (It's also not in the PermGen, although that's not in the screenshot.)<br><br>Adjust the DB details at the top of {{RunHibernate.java}}, run {{ant dist}} to build, and then run {{run-combined.sh}} or {{run-separate.sh}}, and note the different memory behaviour.</span> <span class="diffaddedchars" style="background-color:#ddfade;"><br><br>We have seen this on both Java 7 and Java 8. Also, the project does not seem to leak on OSX.</span> </td>
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