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<h2 title="Interface DataRegionMetricsProvider" class="title">Interface DataRegionMetricsProvider</h2>
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<pre>public interface <span class="typeNameLabel">DataRegionMetricsProvider</span></pre>
<div class="block">This interface provides calculated metrics for data region.</div>
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<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/ignite/DataRegionMetricsProvider.html#emptyDataPages--">emptyDataPages</a></span>()</code>
<div class="block">Calculates empty data pages count for region.</div>
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<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/ignite/DataRegionMetricsProvider.html#partiallyFilledPagesFreeSpace--">partiallyFilledPagesFreeSpace</a></span>()</code>
<div class="block">Calculates free space of partially filled pages for this data region.</div>
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<h4>partiallyFilledPagesFreeSpace</h4>
<pre>long&nbsp;partiallyFilledPagesFreeSpace()</pre>
<div class="block">Calculates free space of partially filled pages for this data region. It does not include
empty data pages.</div>
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<h4>emptyDataPages</h4>
<pre>long&nbsp;emptyDataPages()</pre>
<div class="block">Calculates empty data pages count for region. It counts only totally free pages that
can be reused (e. g. pages that are contained in reuse bucket of free list).</div>
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<p class="legalCopy"><small><table width="100%" border="0" cellspacing=0 cellpadding=0 style="padding: 5px"> <tr> <td> <table style="padding-left: 0; margin: 0"> <tbody style="padding: 0; margin: 0"> <tr style="padding: 0; margin: 0"> <td> <a target=_blank href="https://ignite.apache.org"><nobr>2022 Copyright &#169; Apache Software Foundation</nobr></a> </td> </tr> </tbody> </table> </td> <td width="100%" align="right" valign="center"> <a href="https://twitter.com/ApacheIgnite" class="twitter-follow-button" data-show-count="false" data-size="large">Follow @ApacheIgnite</a> </td> </tr> <tr> <td colspan="2" valign="top" align="left"> <table style="padding-left: 0; margin: 0"> <tbody style="padding: 0; margin: 0"> <tr style="padding: 0; margin: 0"> <td> <b>Ignite Database and Caching Platform</b> </td> <td>:&nbsp;&nbsp; ver. <strong>2.12.0</strong> </td> </tr> <tr style="padding: 0; margin: 0"> <td> <b>Release Date</b> </td> <td>:&nbsp;&nbsp; January 10 2022 </td> </tr> </tbody> </table> </td> </tr> </table></small></p>
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