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| <div class="subTitle">org.apache.ignite</div> |
| <h2 title="Interface IgniteSnapshot" class="title">Interface IgniteSnapshot</h2> |
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| <pre>public interface <span class="typeNameLabel">IgniteSnapshot</span></pre> |
| <div class="block">This interface provides functionality for creating cluster-wide cache data snapshots. |
| <p> |
| Current limitations: |
| <ul> |
| <li>Snapshot will trigger PME (partition map exchange) to run itself.</li> |
| <li>Snapshot will be taken from all registered persistence caches to |
| grantee data consistency between them.</li> |
| <li>Snapshot must be resorted manually on the switched off cluster by copying data |
| to the working directory on each cluster node.</li> |
| </ul></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="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract 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><a href="../../../org/apache/ignite/lang/IgniteFuture.html" title="interface in org.apache.ignite.lang">IgniteFuture</a><span class='angle_bracket'><</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a><span class='angle_bracket'>></span></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/ignite/IgniteSnapshot.html#cancelSnapshot-java.lang.String-">cancelSnapshot</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> name)</code> |
| <div class="block">Cancel running snapshot operation.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../org/apache/ignite/lang/IgniteFuture.html" title="interface in org.apache.ignite.lang">IgniteFuture</a><span class='angle_bracket'><</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</a><span class='angle_bracket'>></span></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/ignite/IgniteSnapshot.html#cancelSnapshotRestore-java.lang.String-">cancelSnapshotRestore</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> name)</code> |
| <div class="block">Cancel snapshot restore operation.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="../../../org/apache/ignite/lang/IgniteFuture.html" title="interface in org.apache.ignite.lang">IgniteFuture</a><span class='angle_bracket'><</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a><span class='angle_bracket'>></span></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/ignite/IgniteSnapshot.html#createSnapshot-java.lang.String-">createSnapshot</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> name)</code> |
| <div class="block">Create a consistent copy of all persistence cache groups from the whole cluster.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../org/apache/ignite/lang/IgniteFuture.html" title="interface in org.apache.ignite.lang">IgniteFuture</a><span class='angle_bracket'><</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a><span class='angle_bracket'>></span></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/ignite/IgniteSnapshot.html#restoreSnapshot-java.lang.String-java.util.Collection-">restoreSnapshot</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> name, |
| @Nullable <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><span class='angle_bracket'><</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a><span class='angle_bracket'>></span> cacheGroupNames)</code> |
| <div class="block">Restore cache group(s) from the snapshot.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </li> |
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| <h3>Method Detail</h3> |
| <a name="createSnapshot-java.lang.String-"> |
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| <h4>createSnapshot</h4> |
| <pre><a href="../../../org/apache/ignite/lang/IgniteFuture.html" title="interface in org.apache.ignite.lang">IgniteFuture</a><span class='angle_bracket'><</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a><span class='angle_bracket'>></span> createSnapshot(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> name)</pre> |
| <div class="block">Create a consistent copy of all persistence cache groups from the whole cluster.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>name</code> - Snapshot unique name which satisfies the following name pattern [a-zA-Z0-9_].</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Future which will be completed when a process ends.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="cancelSnapshot-java.lang.String-"> |
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| <h4>cancelSnapshot</h4> |
| <pre><a href="../../../org/apache/ignite/lang/IgniteFuture.html" title="interface in org.apache.ignite.lang">IgniteFuture</a><span class='angle_bracket'><</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a><span class='angle_bracket'>></span> cancelSnapshot(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> name)</pre> |
| <div class="block">Cancel running snapshot operation. All intermediate results of cancelled snapshot operation will be deleted. |
| If snapshot already created this command will have no effect.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>name</code> - Snapshot name to cancel.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Future which will be completed when cancel operation finished.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="restoreSnapshot-java.lang.String-java.util.Collection-"> |
| <!-- --> |
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| <h4>restoreSnapshot</h4> |
| <pre><a href="../../../org/apache/ignite/lang/IgniteFuture.html" title="interface in org.apache.ignite.lang">IgniteFuture</a><span class='angle_bracket'><</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a><span class='angle_bracket'>></span> restoreSnapshot(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> name, |
| @Nullable |
| @Nullable <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><span class='angle_bracket'><</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a><span class='angle_bracket'>></span> cacheGroupNames)</pre> |
| <div class="block">Restore cache group(s) from the snapshot. |
| <p> |
| <b>NOTE:</b> Cache groups to be restored from the snapshot must not present in the cluster, if they present, |
| they must be destroyed by the user (eg with <a href="../../../org/apache/ignite/IgniteCache.html#destroy--"><code>IgniteCache.destroy()</code></a>) before starting this operation.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>name</code> - Snapshot name.</dd> |
| <dd><code>cacheGroupNames</code> - Cache groups to be restored or <code>null</code> to restore all cache groups from the snapshot.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Future which will be completed when restore operation finished.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="cancelSnapshotRestore-java.lang.String-"> |
| <!-- --> |
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| <h4>cancelSnapshotRestore</h4> |
| <pre><a href="../../../org/apache/ignite/lang/IgniteFuture.html" title="interface in org.apache.ignite.lang">IgniteFuture</a><span class='angle_bracket'><</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</a><span class='angle_bracket'>></span> cancelSnapshotRestore(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> name)</pre> |
| <div class="block">Cancel snapshot restore operation.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>name</code> - Snapshot name.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Future that will be finished when the process is complete on all nodes. The result of this |
| future will be <code>false</code> if the restore process with the specified snapshot name is not running at all.</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>2021 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 Database and Caching Platform</b> </td> <td>: ver. <strong>2.11.1</strong> </td> </tr> <tr style="padding: 0; margin: 0"> <td> <b>Release Date</b> </td> <td>: December 20 2021 </td> </tr> </tbody> </table> </td> </tr> </table></small></p> |
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