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<div class="subTitle">org.apache.hadoop.hdfs.server.balancer</div>
<h2 title="Class MovedBlocks" class="title">Class MovedBlocks&lt;L&gt;</h2>
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<li>org.apache.hadoop.hdfs.server.balancer.MovedBlocks&lt;L&gt;</li>
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<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>L</code> - Location type</dd>
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<pre>public class <span class="typeNameLabel">MovedBlocks&lt;L&gt;</span>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
<div class="block">This window makes sure to keep blocks that have been moved within a fixed
time interval (default is 1.5 hour). Old window has blocks that are older;
Current window has blocks that are more recent; Cleanup method triggers the
check if blocks in the old window are more than the fixed time interval. If
yes, purge the old window and then move blocks in current window to old
window.</div>
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<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/balancer/MovedBlocks.Locations.html" title="class in org.apache.hadoop.hdfs.server.balancer">MovedBlocks.Locations</a>&lt;<a href="../../../../../../org/apache/hadoop/hdfs/server/balancer/MovedBlocks.Locations.html" title="type parameter in MovedBlocks.Locations">L</a>&gt;</span></code>
<div class="block">A class for keeping track of a block and its locations</div>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/balancer/MovedBlocks.html#MovedBlocks-long-">MovedBlocks</a></span>(long&nbsp;winTimeInterval)</code>
<div class="block">initialize the moved blocks collection</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/balancer/MovedBlocks.html#cleanup--">cleanup</a></span>()</code>
<div class="block">remove old blocks</div>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/balancer/MovedBlocks.html#contains-org.apache.hadoop.hdfs.protocol.Block-">contains</a></span>(org.apache.hadoop.hdfs.protocol.Block&nbsp;block)</code>&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/balancer/MovedBlocks.html#put-org.apache.hadoop.hdfs.server.balancer.MovedBlocks.Locations-">put</a></span>(<a href="../../../../../../org/apache/hadoop/hdfs/server/balancer/MovedBlocks.Locations.html" title="class in org.apache.hadoop.hdfs.server.balancer">MovedBlocks.Locations</a>&lt;<a href="../../../../../../org/apache/hadoop/hdfs/server/balancer/MovedBlocks.html" title="type parameter in MovedBlocks">L</a>&gt;&nbsp;block)</code>
<div class="block">add a block thus marking a block to be moved</div>
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<h4>MovedBlocks</h4>
<pre>public&nbsp;MovedBlocks(long&nbsp;winTimeInterval)</pre>
<div class="block">initialize the moved blocks collection</div>
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<h4>put</h4>
<pre>public&nbsp;void&nbsp;put(<a href="../../../../../../org/apache/hadoop/hdfs/server/balancer/MovedBlocks.Locations.html" title="class in org.apache.hadoop.hdfs.server.balancer">MovedBlocks.Locations</a>&lt;<a href="../../../../../../org/apache/hadoop/hdfs/server/balancer/MovedBlocks.html" title="type parameter in MovedBlocks">L</a>&gt;&nbsp;block)</pre>
<div class="block">add a block thus marking a block to be moved</div>
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<h4>contains</h4>
<pre>public&nbsp;boolean&nbsp;contains(org.apache.hadoop.hdfs.protocol.Block&nbsp;block)</pre>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>if a block is marked as moved</dd>
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<h4>cleanup</h4>
<pre>public&nbsp;void&nbsp;cleanup()</pre>
<div class="block">remove old blocks</div>
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