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| <h2 title="Class DataRegionMetricsAdapter" class="title">Class DataRegionMetricsAdapter</h2> |
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| <li>org.apache.ignite.DataRegionMetricsAdapter</li> |
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| <dt>All Implemented Interfaces:</dt> |
| <dd><a href="../../../org/apache/ignite/MemoryMetrics.html" title="interface in org.apache.ignite">MemoryMetrics</a></dd> |
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| <br> |
| <pre>public class <span class="typeNameLabel">DataRegionMetricsAdapter</span> |
| extends <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> |
| implements <a href="../../../org/apache/ignite/MemoryMetrics.html" title="interface in org.apache.ignite">MemoryMetrics</a></pre> |
| <div class="block">Converter class from <a href="../../../org/apache/ignite/DataRegionMetrics.html" title="interface in org.apache.ignite"><code>DataRegionMetrics</code></a> to legacy <a href="../../../org/apache/ignite/MemoryMetrics.html" title="interface in org.apache.ignite"><code>MemoryMetrics</code></a>.</div> |
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| <h3>Method Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>static <a href="http://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="../../../org/apache/ignite/MemoryMetrics.html" title="interface in org.apache.ignite">MemoryMetrics</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/ignite/DataRegionMetricsAdapter.html#collectionOf-java.util.Collection-">collectionOf</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="../../../org/apache/ignite/DataRegionMetrics.html" title="interface in org.apache.ignite">DataRegionMetrics</a>> dataRegionMetrics)</code> |
| <div class="block">Converts collection of <a href="../../../org/apache/ignite/DataRegionMetrics.html" title="interface in org.apache.ignite"><code>DataRegionMetrics</code></a> into collection of legacy <a href="../../../org/apache/ignite/MemoryMetrics.html" title="interface in org.apache.ignite"><code>MemoryMetrics</code></a>.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>float</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/ignite/DataRegionMetricsAdapter.html#getAllocationRate--">getAllocationRate</a></span>()</code> |
| <div class="block">Gets pages allocation rate of a memory region.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/ignite/DataRegionMetricsAdapter.html#getDirtyPages--">getDirtyPages</a></span>()</code> |
| <div class="block">Gets the number of dirty pages (pages which contents is different from the current persistent storage state).</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>float</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/ignite/DataRegionMetricsAdapter.html#getEvictionRate--">getEvictionRate</a></span>()</code> |
| <div class="block">Gets eviction rate of a given memory region.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>float</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/ignite/DataRegionMetricsAdapter.html#getLargeEntriesPagesPercentage--">getLargeEntriesPagesPercentage</a></span>()</code> |
| <div class="block">Gets percentage of pages that are fully occupied by large entries that go beyond page size.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code><a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/ignite/DataRegionMetricsAdapter.html#getName--">getName</a></span>()</code> |
| <div class="block">A name of a memory region the metrics are collected for.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>float</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/ignite/DataRegionMetricsAdapter.html#getPagesFillFactor--">getPagesFillFactor</a></span>()</code> |
| <div class="block">Gets the percentage of space that is still free and can be filled in.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>float</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/ignite/DataRegionMetricsAdapter.html#getPagesReplaceRate--">getPagesReplaceRate</a></span>()</code> |
| <div class="block">Gets rate (pages per second) at which pages get replaced with other pages from persistent storage.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/ignite/DataRegionMetricsAdapter.html#getPhysicalMemoryPages--">getPhysicalMemoryPages</a></span>()</code> |
| <div class="block">Gets total number of pages currently loaded to the RAM.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/ignite/DataRegionMetricsAdapter.html#getTotalAllocatedPages--">getTotalAllocatedPages</a></span>()</code> |
| <div class="block">Gets a total number of allocated pages related to the memory policy.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../org/apache/ignite/DataRegionMetricsAdapter.html" title="class in org.apache.ignite">DataRegionMetricsAdapter</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/ignite/DataRegionMetricsAdapter.html#valueOf-org.apache.ignite.DataRegionMetrics-">valueOf</a></span>(<a href="../../../org/apache/ignite/DataRegionMetrics.html" title="interface in org.apache.ignite">DataRegionMetrics</a> delegate)</code> </td> |
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| <h3>Methods inherited from class java.lang.<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3> |
| <code><a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li> |
| </ul> |
| </li> |
| </ul> |
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| <h3>Method Detail</h3> |
| <a name="collectionOf-java.util.Collection-"> |
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| <h4>collectionOf</h4> |
| <pre>public static <a href="http://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="../../../org/apache/ignite/MemoryMetrics.html" title="interface in org.apache.ignite">MemoryMetrics</a>> collectionOf(<a href="http://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="../../../org/apache/ignite/DataRegionMetrics.html" title="interface in org.apache.ignite">DataRegionMetrics</a>> dataRegionMetrics)</pre> |
| <div class="block">Converts collection of <a href="../../../org/apache/ignite/DataRegionMetrics.html" title="interface in org.apache.ignite"><code>DataRegionMetrics</code></a> into collection of legacy <a href="../../../org/apache/ignite/MemoryMetrics.html" title="interface in org.apache.ignite"><code>MemoryMetrics</code></a>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>dataRegionMetrics</code> - Data region metrics collection.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="valueOf-org.apache.ignite.DataRegionMetrics-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>valueOf</h4> |
| <pre>public static <a href="../../../org/apache/ignite/DataRegionMetricsAdapter.html" title="class in org.apache.ignite">DataRegionMetricsAdapter</a> valueOf(<a href="../../../org/apache/ignite/DataRegionMetrics.html" title="interface in org.apache.ignite">DataRegionMetrics</a> delegate)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>delegate</code> - DataRegionMetrics.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Wrapped <a href="../../../org/apache/ignite/DataRegionMetrics.html" title="interface in org.apache.ignite"><code>DataRegionMetrics</code></a> that implements <a href="../../../org/apache/ignite/MemoryMetrics.html" title="interface in org.apache.ignite"><code>MemoryMetrics</code></a>. |
| Null value is not wrapped and returned as is.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getName--"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>getName</h4> |
| <pre>public <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> getName()</pre> |
| <div class="block">A name of a memory region the metrics are collected for.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../org/apache/ignite/MemoryMetrics.html#getName--">getName</a></code> in interface <code><a href="../../../org/apache/ignite/MemoryMetrics.html" title="interface in org.apache.ignite">MemoryMetrics</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Name of the memory region.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getTotalAllocatedPages--"> |
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| </a> |
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| <h4>getTotalAllocatedPages</h4> |
| <pre>public long getTotalAllocatedPages()</pre> |
| <div class="block">Gets a total number of allocated pages related to the memory policy. When persistence is disabled, this |
| metric shows the total number of pages in memory. When persistence is enabled, this metric shows the |
| total number of pages in memory and on disk.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../org/apache/ignite/MemoryMetrics.html#getTotalAllocatedPages--">getTotalAllocatedPages</a></code> in interface <code><a href="../../../org/apache/ignite/MemoryMetrics.html" title="interface in org.apache.ignite">MemoryMetrics</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Total number of allocated pages.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getAllocationRate--"> |
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| <h4>getAllocationRate</h4> |
| <pre>public float getAllocationRate()</pre> |
| <div class="block">Gets pages allocation rate of a memory region.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../org/apache/ignite/MemoryMetrics.html#getAllocationRate--">getAllocationRate</a></code> in interface <code><a href="../../../org/apache/ignite/MemoryMetrics.html" title="interface in org.apache.ignite">MemoryMetrics</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Number of allocated pages per second.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getEvictionRate--"> |
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| </a> |
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| <h4>getEvictionRate</h4> |
| <pre>public float getEvictionRate()</pre> |
| <div class="block">Gets eviction rate of a given memory region.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../org/apache/ignite/MemoryMetrics.html#getEvictionRate--">getEvictionRate</a></code> in interface <code><a href="../../../org/apache/ignite/MemoryMetrics.html" title="interface in org.apache.ignite">MemoryMetrics</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Number of evicted pages per second.</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>getLargeEntriesPagesPercentage</h4> |
| <pre>public float getLargeEntriesPagesPercentage()</pre> |
| <div class="block">Gets percentage of pages that are fully occupied by large entries that go beyond page size. The large entities |
| are split into fragments in a way so that each fragment can fit into a single page.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../org/apache/ignite/MemoryMetrics.html#getLargeEntriesPagesPercentage--">getLargeEntriesPagesPercentage</a></code> in interface <code><a href="../../../org/apache/ignite/MemoryMetrics.html" title="interface in org.apache.ignite">MemoryMetrics</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Percentage of pages fully occupied by large entities.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getPagesFillFactor--"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>getPagesFillFactor</h4> |
| <pre>public float getPagesFillFactor()</pre> |
| <div class="block">Gets the percentage of space that is still free and can be filled in.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../org/apache/ignite/MemoryMetrics.html#getPagesFillFactor--">getPagesFillFactor</a></code> in interface <code><a href="../../../org/apache/ignite/MemoryMetrics.html" title="interface in org.apache.ignite">MemoryMetrics</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The percentage of space that is still free and can be filled in.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getDirtyPages--"> |
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| <h4>getDirtyPages</h4> |
| <pre>public long getDirtyPages()</pre> |
| <div class="block">Gets the number of dirty pages (pages which contents is different from the current persistent storage state). |
| This metric is enabled only for Ignite nodes with enabled persistence.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../org/apache/ignite/MemoryMetrics.html#getDirtyPages--">getDirtyPages</a></code> in interface <code><a href="../../../org/apache/ignite/MemoryMetrics.html" title="interface in org.apache.ignite">MemoryMetrics</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Current number of dirty pages.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getPagesReplaceRate--"> |
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| <h4>getPagesReplaceRate</h4> |
| <pre>public float getPagesReplaceRate()</pre> |
| <div class="block">Gets rate (pages per second) at which pages get replaced with other pages from persistent storage. |
| The rate effectively represents the rate at which pages get 'evicted' in favor of newly needed pages. |
| This metric is enabled only for Ignite nodes with enabled persistence.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../org/apache/ignite/MemoryMetrics.html#getPagesReplaceRate--">getPagesReplaceRate</a></code> in interface <code><a href="../../../org/apache/ignite/MemoryMetrics.html" title="interface in org.apache.ignite">MemoryMetrics</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Pages per second replace rate.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getPhysicalMemoryPages--"> |
| <!-- --> |
| </a> |
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| <h4>getPhysicalMemoryPages</h4> |
| <pre>public long getPhysicalMemoryPages()</pre> |
| <div class="block">Gets total number of pages currently loaded to the RAM. When persistence is disabled, this metric is equal |
| to <a href="../../../org/apache/ignite/MemoryMetrics.html#getTotalAllocatedPages--"><code>MemoryMetrics.getTotalAllocatedPages()</code></a>.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../org/apache/ignite/MemoryMetrics.html#getPhysicalMemoryPages--">getPhysicalMemoryPages</a></code> in interface <code><a href="../../../org/apache/ignite/MemoryMetrics.html" title="interface in org.apache.ignite">MemoryMetrics</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Total number of pages loaded to RAM.</dd> |
| </dl> |
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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>2018 Copyright © 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 Fabric</b> </td> <td>: ver. <strong>2.5.0</strong> </td> </tr> <tr style="padding: 0; margin: 0"> <td> <b>Release Date</b> </td> <td>: May 23 2018 </td> </tr> </tbody> </table> </td> </tr> </table></small></p> |
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