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    <title>Magnolia - Issue tracker</title>
    <link>https://jira.magnolia-cms.com</link>
    <description>This file is an XML representation of an issue</description>
    <language>en-uk</language>    <build-info>
        <version>9.4.2</version>
        <build-number>940002</build-number>
        <build-date>19-01-2023</build-date>
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<item>
            <title>[MGNLETK-43] Imaging causes high CPU usage</title>
                <link>https://jira.magnolia-cms.com/browse/MGNLETK-43</link>
                <project id="10290" key="MGNLETK">Extended Templating Kit (closed)</project>
                    <description>&lt;p&gt;It seems that certain conditions may cause imaging to go haywire.&lt;/p&gt;

&lt;p&gt;To reproduce this:&lt;/p&gt;
&lt;ul class=&quot;alternate&quot; type=&quot;square&quot;&gt;
	&lt;li&gt;installed the EE 4.3.7 bundle (me, with Postgres PM)&lt;/li&gt;
	&lt;li&gt;surfed the demo site, go to &quot;Multimedia&quot;-&amp;gt;&quot;Image Gallery&quot;&lt;/li&gt;
	&lt;li&gt;click on a magnifying glass&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;Activity monitor under OS X shows that the org.apache.catalina.startup.Bootstrap process starts eating up CPU (see first attachment). If you click on one of the magnifying glasses on the page in order to get the high resolution images, the lightbox-like overlay does show up and works, but shows no images (see second attachment).&lt;br/&gt;
Leaving the page doesn&apos;t help.&lt;/p&gt;

&lt;p&gt;Please refer to third attachment for a thread dump.&lt;/p&gt;</description>
                <environment>Mac OS X 10.6.4, built-in Java version 1.6.0_20</environment>
        <key id="19124">MGNLETK-43</key>
            <summary>Imaging causes high CPU usage</summary>
                <type id="1" iconUrl="https://jira.magnolia-cms.com/secure/viewavatar?size=xsmall&amp;avatarId=10883&amp;avatarType=issuetype">Bug</type>
                                            <priority id="1" iconUrl="https://jira.magnolia-cms.com/images/icons/priorities/blocker.svg">Blocker</priority>
                        <status id="6" iconUrl="https://jira.magnolia-cms.com/images/icons/statuses/closed.png" description="The issue is considered finished, the resolution is correct. Issues which are not closed can be reopened.">Closed</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="1">Fixed</resolution>
                                        <assignee username="pbaerfuss">Philipp B&#228;rfuss</assignee>
                                    <reporter username="weder">Andreas Weder</reporter>
                        <labels>
                    </labels>
                <created>Thu, 14 Oct 2010 15:42:35 +0200</created>
                <updated>Mon, 5 Nov 2012 10:44:29 +0100</updated>
                            <resolved>Fri, 26 Nov 2010 08:25:15 +0100</resolved>
                                    <version>1.3.5</version>
                                    <fixVersion>1.4</fixVersion>
                                        <due></due>
                            <votes>0</votes>
                                    <watches>0</watches>
                                                                                                                <comments>
                            <comment id="30405" author="had" created="Thu, 14 Oct 2010 16:04:49 +0200"  >&lt;p&gt;Might be related to &lt;a href=&quot;https://jira.magnolia-cms.com/browse/MGNLETK-36&quot; title=&quot;STK/ETK integration and transparent images&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MGNLETK-36&quot;&gt;&lt;del&gt;MGNLETK-36&lt;/del&gt;&lt;/a&gt; the resizer used now is definitively more costly, but any quick and dirty solutions produce visual artifacts ...&lt;/p&gt;</comment>
                            <comment id="30406" author="weder" created="Thu, 14 Oct 2010 16:41:01 +0200"  >&lt;p&gt;Just for the record, as I don&apos;t think this matters here: also checked with latest available Java 5 version (1.5.0_24) on Snow Leopard with the same result. My impression was that the process consumes between 30-50% less CPU, though, but take that with a grain of salt.&lt;/p&gt;</comment>
                            <comment id="30408" author="weder" created="Thu, 14 Oct 2010 17:47:10 +0200"  >&lt;p&gt;Found another occurrence of the seemingly same problem:&lt;/p&gt;
&lt;ul class=&quot;alternate&quot; type=&quot;square&quot;&gt;
	&lt;li&gt;install EE 4.3.7&lt;/li&gt;
	&lt;li&gt;go to Demo Features site, Aggregation Paragraphs-&amp;gt;Contact address&lt;br/&gt;
-&amp;gt; bootstrap process starts eating CPU cycles again&lt;/li&gt;
&lt;/ul&gt;
</comment>
                            <comment id="30409" author="weder" created="Thu, 14 Oct 2010 17:48:50 +0200"  >&lt;p&gt;Two more thread dumps, this time from Demo features site.&lt;/p&gt;</comment>
                            <comment id="30410" author="pbaerfuss" created="Thu, 14 Oct 2010 18:06:20 +0200"  >&lt;p&gt;This is caused by &lt;a href=&quot;https://jira.magnolia-cms.com/browse/MGNLIMG-72&quot; title=&quot;MultiStepResizer: processes infinitely if the target size is bigger than the input image&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MGNLIMG-72&quot;&gt;&lt;del&gt;MGNLIMG-72&lt;/del&gt;&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="52946" author="weder" created="Mon, 5 Nov 2012 10:44:29 +0100"  >&lt;p&gt;The root cause of this was in issue &lt;a href=&quot;https://jira.magnolia-cms.com/browse/MGNLIMG-72&quot; title=&quot;MultiStepResizer: processes infinitely if the target size is bigger than the input image&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MGNLIMG-72&quot;&gt;&lt;del&gt;MGNLIMG-72&lt;/del&gt;&lt;/a&gt;, which has been fixed.&lt;/p&gt;</comment>
                    </comments>
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                                        <issuelink>
            <issuekey id="19126">MGNLIMG-72</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="17510">MGNLETK-36</issuekey>
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                <attachments>
                            <attachment id="13821" name="activity monitor.png" size="52360" author="weder" created="Thu, 14 Oct 2010 15:42:35 +0200"/>
                            <attachment id="13822" name="overlay.png" size="155216" author="weder" created="Thu, 14 Oct 2010 15:42:35 +0200"/>
                            <attachment id="13827" name="thread dump 2.txt" size="90061" author="weder" created="Thu, 14 Oct 2010 17:48:50 +0200"/>
                            <attachment id="13826" name="thread dump.txt" size="89675" author="weder" created="Thu, 14 Oct 2010 17:48:50 +0200"/>
                            <attachment id="13823" name="thread dump.txt" size="120263" author="weder" created="Thu, 14 Oct 2010 15:42:35 +0200"/>
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