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<base href="https://bugs.documentfoundation.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_UNCONFIRMED "
title="UNCONFIRMED - High CPU usage when large document open"
href="https://bugs.documentfoundation.org/show_bug.cgi?id=124346">124346</a>
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<th>Summary</th>
<td>High CPU usage when large document open
</td>
</tr>
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<th>Product</th>
<td>LibreOffice
</td>
</tr>
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<th>Version</th>
<td>6.2.2.2 release
</td>
</tr>
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<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
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<th>OS</th>
<td>Linux (All)
</td>
</tr>
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<th>Status</th>
<td>UNCONFIRMED
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>medium
</td>
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<th>Component</th>
<td>Writer
</td>
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<th>Assignee</th>
<td>libreoffice-bugs@lists.freedesktop.org
</td>
</tr>
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<th>Reporter</th>
<td>hamilton.tim@gmail.com
</td>
</tr></table>
<p>
<div>
<pre>Description:
CPU usage spikes to 110-130% (across 4 cores) when a large document (~260
pages, mainly text) is opened.
Steps to reproduce:
Open large document
Observe CPU spike and fan spin up
Close file
Observe CPU drop and fan spin down
Expected result:
Small spike in CPU usage while opening, overall slight increase in CPU usage,
total to remain >10%
Reproducible:
Always
User Profile Reset:
No, relatively new install upgraded from 6.1.x.
Operating System
Ubuntu 18.10
Install method
Ubuntu LibreOffice PPA
<a href="https://launchpad.net/~libreoffice">https://launchpad.net/~libreoffice</a>
Additional Info:
Version: 6.2.2.2
Build ID: 1:6.2.2-0ubuntu0.18.10.1~lo1
CPU threads: 4; OS: Linux 4.18; UI render: default; VCL: gtk3;
Locale: en-AU (en_AU.UTF-8); UI-Language: en-US
Calc: threaded</pre>
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