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        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_UNCONFIRMED "
   title="UNCONFIRMED - High memory usage when using Pivot table"
   href="https://bugs.documentfoundation.org/show_bug.cgi?id=131720">131720</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>High memory usage when using Pivot table
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>LibreOffice
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>7.0.0.0.alpha0+ Master
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>UNCONFIRMED
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Calc
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>libreoffice-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>telesto@surfxs.nl
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Description:
High memory usage when using Pivot table

Steps to Reproduce:
1. Open <span class=""><a href="http://bugs.documentfoundation.org/attachment.cgi?id=159155" name="attach_159155" title="Example file">attachment 159155</a> <a href="http://bugs.documentfoundation.org/attachment.cgi?id=159155&action=edit" title="Example file">[details]</a></span>
2. Select column A-D
3. Press Pivot table button & select current selection & press OK (while
monitoring mem usage)
4. Put a field in Filters & and a field in rows & press OK (while monitoring
mem usage)

Actual Results:
Around 2 GB needed, while 178 MB for showing the file. It seems excessive to me
(but I don't know the details about managing the data)

Expected Results:
Lets say 900 MB


Reproducible: Always


User Profile Reset: No



Additional Info:
Version: 7.0.0.0.alpha0+ (x64)
Build ID: 4501a0ba623ad61c5a4e0b807da2e96f0e4ce82c
CPU threads: 4; OS: Windows 6.3 Build 9600; UI render: Skia/Raster; VCL: win; 
Locale: nl-NL (nl_NL); UI-Language: en-US
Calc: CL</pre>
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