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<div class="subTitle">org.apache.ignite</div>
<h2 title="Class DataStorageMetricsAdapter" class="title">Class DataStorageMetricsAdapter</h2>
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<li>org.apache.ignite.DataStorageMetricsAdapter</li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../org/apache/ignite/PersistenceMetrics.html" title="interface in org.apache.ignite">PersistenceMetrics</a></dd>
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<pre>public class <span class="typeNameLabel">DataStorageMetricsAdapter</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/PersistenceMetrics.html" title="interface in org.apache.ignite">PersistenceMetrics</a></pre>
<div class="block">Converter class from <a href="../../../org/apache/ignite/DataStorageMetrics.html" title="interface in org.apache.ignite"><code>DataStorageMetrics</code></a> to legacy <a href="../../../org/apache/ignite/PersistenceMetrics.html" title="interface in org.apache.ignite"><code>PersistenceMetrics</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">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</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>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/ignite/DataStorageMetricsAdapter.html#getLastCheckpointCopiedOnWritePagesNumber--">getLastCheckpointCopiedOnWritePagesNumber</a></span>()</code>
<div class="block">Gets the number of pages copied to a temporary checkpoint buffer during the last checkpoint.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/ignite/DataStorageMetricsAdapter.html#getLastCheckpointDataPagesNumber--">getLastCheckpointDataPagesNumber</a></span>()</code>
<div class="block">Gets the number of data pages written during the last checkpoint.</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/DataStorageMetricsAdapter.html#getLastCheckpointFsyncDuration--">getLastCheckpointFsyncDuration</a></span>()</code>
<div class="block">Gets the duration of the sync phase of the last checkpoint in milliseconds.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/ignite/DataStorageMetricsAdapter.html#getLastCheckpointingDuration--">getLastCheckpointingDuration</a></span>()</code>
<div class="block">Gets the duration of the last checkpoint in milliseconds.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/ignite/DataStorageMetricsAdapter.html#getLastCheckpointLockWaitDuration--">getLastCheckpointLockWaitDuration</a></span>()</code>
<div class="block">Gets the duration of last checkpoint lock wait in milliseconds.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/ignite/DataStorageMetricsAdapter.html#getLastCheckpointMarkDuration--">getLastCheckpointMarkDuration</a></span>()</code>
<div class="block">Gets the duration of last checkpoint mark phase in milliseconds.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/ignite/DataStorageMetricsAdapter.html#getLastCheckpointPagesWriteDuration--">getLastCheckpointPagesWriteDuration</a></span>()</code>
<div class="block">Gets the duration of last checkpoint pages write phase in milliseconds.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/ignite/DataStorageMetricsAdapter.html#getLastCheckpointTotalPagesNumber--">getLastCheckpointTotalPagesNumber</a></span>()</code>
<div class="block">Gets the total number of pages written during the last checkpoint.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/ignite/DataStorageMetricsAdapter.html#getWalArchiveSegments--">getWalArchiveSegments</a></span>()</code>
<div class="block">Gets the current number of WAL segments in the WAL archive.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/ignite/DataStorageMetricsAdapter.html#getWalFsyncTimeAverage--">getWalFsyncTimeAverage</a></span>()</code>
<div class="block">Gets the average WAL fsync duration in microseconds over the last time interval.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/ignite/DataStorageMetricsAdapter.html#getWalLoggingRate--">getWalLoggingRate</a></span>()</code>
<div class="block">Gets the average number of WAL records per second written during the last time interval.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/ignite/DataStorageMetricsAdapter.html#getWalWritingRate--">getWalWritingRate</a></span>()</code>
<div class="block">Gets the average number of bytes per second written during the last time interval.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>static <a href="../../../org/apache/ignite/DataStorageMetricsAdapter.html" title="class in org.apache.ignite">DataStorageMetricsAdapter</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/ignite/DataStorageMetricsAdapter.html#valueOf-org.apache.ignite.DataStorageMetrics-">valueOf</a></span>(<a href="../../../org/apache/ignite/DataStorageMetrics.html" title="interface in org.apache.ignite">DataStorageMetrics</a>&nbsp;delegate)</code>&nbsp;</td>
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<h3>Methods inherited from class&nbsp;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>
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<a name="valueOf-org.apache.ignite.DataStorageMetrics-">
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<h4>valueOf</h4>
<pre>public static&nbsp;<a href="../../../org/apache/ignite/DataStorageMetricsAdapter.html" title="class in org.apache.ignite">DataStorageMetricsAdapter</a>&nbsp;valueOf(<a href="../../../org/apache/ignite/DataStorageMetrics.html" title="interface in org.apache.ignite">DataStorageMetrics</a>&nbsp;delegate)</pre>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>delegate</code> - DataStorageMetrics.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Wrapped <a href="../../../org/apache/ignite/DataStorageMetrics.html" title="interface in org.apache.ignite"><code>DataStorageMetrics</code></a> that implements <a href="../../../org/apache/ignite/PersistenceMetrics.html" title="interface in org.apache.ignite"><code>PersistenceMetrics</code></a>.
Null value is not wrapped and returned as is.</dd>
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<h4>getWalLoggingRate</h4>
<pre>public&nbsp;float&nbsp;getWalLoggingRate()</pre>
<div class="block">Gets the average number of WAL records per second written during the last time interval.
<p>
The length of time interval is configured via <a href="../../../org/apache/ignite/configuration/PersistentStoreConfiguration.html#setRateTimeInterval-long-"><code>PersistentStoreConfiguration.setRateTimeInterval(long)</code></a>
configurartion property.
The number of subintervals is configured via <a href="../../../org/apache/ignite/configuration/PersistentStoreConfiguration.html#setSubIntervals-int-"><code>PersistentStoreConfiguration.setSubIntervals(int)</code></a>
configuration property.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../org/apache/ignite/PersistenceMetrics.html#getWalLoggingRate--">getWalLoggingRate</a></code>&nbsp;in interface&nbsp;<code><a href="../../../org/apache/ignite/PersistenceMetrics.html" title="interface in org.apache.ignite">PersistenceMetrics</a></code></dd>
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<h4>getWalWritingRate</h4>
<pre>public&nbsp;float&nbsp;getWalWritingRate()</pre>
<div class="block">Gets the average number of bytes per second written during the last time interval.
The length of time interval is configured via <a href="../../../org/apache/ignite/configuration/PersistentStoreConfiguration.html#setRateTimeInterval-long-"><code>PersistentStoreConfiguration.setRateTimeInterval(long)</code></a>
configurartion property.
The number of subintervals is configured via <a href="../../../org/apache/ignite/configuration/PersistentStoreConfiguration.html#setSubIntervals-int-"><code>PersistentStoreConfiguration.setSubIntervals(int)</code></a>
configuration property.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../org/apache/ignite/PersistenceMetrics.html#getWalWritingRate--">getWalWritingRate</a></code>&nbsp;in interface&nbsp;<code><a href="../../../org/apache/ignite/PersistenceMetrics.html" title="interface in org.apache.ignite">PersistenceMetrics</a></code></dd>
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<h4>getWalArchiveSegments</h4>
<pre>public&nbsp;int&nbsp;getWalArchiveSegments()</pre>
<div class="block">Gets the current number of WAL segments in the WAL archive.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../org/apache/ignite/PersistenceMetrics.html#getWalArchiveSegments--">getWalArchiveSegments</a></code>&nbsp;in interface&nbsp;<code><a href="../../../org/apache/ignite/PersistenceMetrics.html" title="interface in org.apache.ignite">PersistenceMetrics</a></code></dd>
</dl>
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<h4>getWalFsyncTimeAverage</h4>
<pre>public&nbsp;float&nbsp;getWalFsyncTimeAverage()</pre>
<div class="block">Gets the average WAL fsync duration in microseconds over the last time interval.
<p>
The length of time interval is configured via <a href="../../../org/apache/ignite/configuration/PersistentStoreConfiguration.html#setRateTimeInterval-long-"><code>PersistentStoreConfiguration.setRateTimeInterval(long)</code></a>
configurartion property.
The number of subintervals is configured via <a href="../../../org/apache/ignite/configuration/PersistentStoreConfiguration.html#setSubIntervals-int-"><code>PersistentStoreConfiguration.setSubIntervals(int)</code></a>
configuration property.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../org/apache/ignite/PersistenceMetrics.html#getWalFsyncTimeAverage--">getWalFsyncTimeAverage</a></code>&nbsp;in interface&nbsp;<code><a href="../../../org/apache/ignite/PersistenceMetrics.html" title="interface in org.apache.ignite">PersistenceMetrics</a></code></dd>
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<h4>getLastCheckpointingDuration</h4>
<pre>public&nbsp;long&nbsp;getLastCheckpointingDuration()</pre>
<div class="block">Gets the duration of the last checkpoint in milliseconds.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../org/apache/ignite/PersistenceMetrics.html#getLastCheckpointingDuration--">getLastCheckpointingDuration</a></code>&nbsp;in interface&nbsp;<code><a href="../../../org/apache/ignite/PersistenceMetrics.html" title="interface in org.apache.ignite">PersistenceMetrics</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Total checkpoint duration in milliseconds.</dd>
</dl>
</li>
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<h4>getLastCheckpointLockWaitDuration</h4>
<pre>public&nbsp;long&nbsp;getLastCheckpointLockWaitDuration()</pre>
<div class="block">Gets the duration of last checkpoint lock wait in milliseconds.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../org/apache/ignite/PersistenceMetrics.html#getLastCheckpointLockWaitDuration--">getLastCheckpointLockWaitDuration</a></code>&nbsp;in interface&nbsp;<code><a href="../../../org/apache/ignite/PersistenceMetrics.html" title="interface in org.apache.ignite">PersistenceMetrics</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Checkpoint lock wait time in milliseconds.</dd>
</dl>
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<h4>getLastCheckpointMarkDuration</h4>
<pre>public&nbsp;long&nbsp;getLastCheckpointMarkDuration()</pre>
<div class="block">Gets the duration of last checkpoint mark phase in milliseconds.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../org/apache/ignite/PersistenceMetrics.html#getLastCheckpointMarkDuration--">getLastCheckpointMarkDuration</a></code>&nbsp;in interface&nbsp;<code><a href="../../../org/apache/ignite/PersistenceMetrics.html" title="interface in org.apache.ignite">PersistenceMetrics</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Checkpoint mark duration in milliseconds.</dd>
</dl>
</li>
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<h4>getLastCheckpointPagesWriteDuration</h4>
<pre>public&nbsp;long&nbsp;getLastCheckpointPagesWriteDuration()</pre>
<div class="block">Gets the duration of last checkpoint pages write phase in milliseconds.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../org/apache/ignite/PersistenceMetrics.html#getLastCheckpointPagesWriteDuration--">getLastCheckpointPagesWriteDuration</a></code>&nbsp;in interface&nbsp;<code><a href="../../../org/apache/ignite/PersistenceMetrics.html" title="interface in org.apache.ignite">PersistenceMetrics</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Checkpoint pages write phase in milliseconds.</dd>
</dl>
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<h4>getLastCheckpointFsyncDuration</h4>
<pre>public&nbsp;long&nbsp;getLastCheckpointFsyncDuration()</pre>
<div class="block">Gets the duration of the sync phase of the last checkpoint in milliseconds.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../org/apache/ignite/PersistenceMetrics.html#getLastCheckpointFsyncDuration--">getLastCheckpointFsyncDuration</a></code>&nbsp;in interface&nbsp;<code><a href="../../../org/apache/ignite/PersistenceMetrics.html" title="interface in org.apache.ignite">PersistenceMetrics</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Checkpoint fsync time in milliseconds.</dd>
</dl>
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<h4>getLastCheckpointTotalPagesNumber</h4>
<pre>public&nbsp;long&nbsp;getLastCheckpointTotalPagesNumber()</pre>
<div class="block">Gets the total number of pages written during the last checkpoint.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../org/apache/ignite/PersistenceMetrics.html#getLastCheckpointTotalPagesNumber--">getLastCheckpointTotalPagesNumber</a></code>&nbsp;in interface&nbsp;<code><a href="../../../org/apache/ignite/PersistenceMetrics.html" title="interface in org.apache.ignite">PersistenceMetrics</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Total number of pages written during the last checkpoint.</dd>
</dl>
</li>
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<h4>getLastCheckpointDataPagesNumber</h4>
<pre>public&nbsp;long&nbsp;getLastCheckpointDataPagesNumber()</pre>
<div class="block">Gets the number of data pages written during the last checkpoint.</div>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../org/apache/ignite/PersistenceMetrics.html#getLastCheckpointDataPagesNumber--">getLastCheckpointDataPagesNumber</a></code>&nbsp;in interface&nbsp;<code><a href="../../../org/apache/ignite/PersistenceMetrics.html" title="interface in org.apache.ignite">PersistenceMetrics</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Total number of data pages written during the last checkpoint.</dd>
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<h4>getLastCheckpointCopiedOnWritePagesNumber</h4>
<pre>public&nbsp;long&nbsp;getLastCheckpointCopiedOnWritePagesNumber()</pre>
<div class="block">Gets the number of pages copied to a temporary checkpoint buffer during the last checkpoint.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../org/apache/ignite/PersistenceMetrics.html#getLastCheckpointCopiedOnWritePagesNumber--">getLastCheckpointCopiedOnWritePagesNumber</a></code>&nbsp;in interface&nbsp;<code><a href="../../../org/apache/ignite/PersistenceMetrics.html" title="interface in org.apache.ignite">PersistenceMetrics</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Total number of pages copied to a temporary checkpoint buffer during the last checkpoint.</dd>
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