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| <div class="subTitle">org.apache.hadoop.hbase.regionserver</div> |
| <h2 title="Class IncreasingToUpperBoundRegionSplitPolicy" class="title">Class IncreasingToUpperBoundRegionSplitPolicy</h2> |
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| <li>org.apache.hadoop.conf.Configured</li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="../../../../../org/apache/hadoop/hbase/regionserver/RegionSplitPolicy.html" title="class in org.apache.hadoop.hbase.regionserver">org.apache.hadoop.hbase.regionserver.RegionSplitPolicy</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="../../../../../org/apache/hadoop/hbase/regionserver/ConstantSizeRegionSplitPolicy.html" title="class in org.apache.hadoop.hbase.regionserver">org.apache.hadoop.hbase.regionserver.ConstantSizeRegionSplitPolicy</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.hadoop.hbase.regionserver.IncreasingToUpperBoundRegionSplitPolicy</li> |
| </ul> |
| </li> |
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| <dd>org.apache.hadoop.conf.Configurable</dd> |
| </dl> |
| <dl> |
| <dt>Direct Known Subclasses:</dt> |
| <dd><a href="../../../../../org/apache/hadoop/hbase/regionserver/BusyRegionSplitPolicy.html" title="class in org.apache.hadoop.hbase.regionserver">BusyRegionSplitPolicy</a>, <a href="../../../../../org/apache/hadoop/hbase/regionserver/DelimitedKeyPrefixRegionSplitPolicy.html" title="class in org.apache.hadoop.hbase.regionserver">DelimitedKeyPrefixRegionSplitPolicy</a>, <a href="../../../../../org/apache/hadoop/hbase/regionserver/KeyPrefixRegionSplitPolicy.html" title="class in org.apache.hadoop.hbase.regionserver">KeyPrefixRegionSplitPolicy</a>, <a href="../../../../../org/apache/hadoop/hbase/regionserver/SteppingSplitPolicy.html" title="class in org.apache.hadoop.hbase.regionserver">SteppingSplitPolicy</a></dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>@InterfaceAudience.Private |
| public class <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/IncreasingToUpperBoundRegionSplitPolicy.html#line.46">IncreasingToUpperBoundRegionSplitPolicy</a> |
| extends <a href="../../../../../org/apache/hadoop/hbase/regionserver/ConstantSizeRegionSplitPolicy.html" title="class in org.apache.hadoop.hbase.regionserver">ConstantSizeRegionSplitPolicy</a></pre> |
| <div class="block">Split size is the number of regions that are on this server that all are |
| of the same table, cubed, times 2x the region flush size OR the maximum |
| region split size, whichever is smaller. |
| <p> |
| For example, if the flush size is 128MB, then after two flushes (256MB) we |
| will split which will make two regions that will split when their size is |
| <code>2^3 * 128MB*2 = 2048MB</code>. |
| <p> |
| If one of these regions splits, then there are three regions and now the |
| split size is <code>3^3 * 128MB*2 = 6912MB</code>, and so on until we reach the configured |
| maximum file size and then from there on out, we'll use that.</div> |
| </li> |
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| <td class="colFirst"><code>protected long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/IncreasingToUpperBoundRegionSplitPolicy.html#initialSize">initialSize</a></span></code> </td> |
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| <td class="colFirst"><code>private static org.slf4j.Logger</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/IncreasingToUpperBoundRegionSplitPolicy.html#LOG">LOG</a></span></code> </td> |
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| <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/ConstantSizeRegionSplitPolicy.html#overallHRegionFiles">overallHRegionFiles</a></code></li> |
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| <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/RegionSplitPolicy.html#region">region</a></code></li> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/IncreasingToUpperBoundRegionSplitPolicy.html#IncreasingToUpperBoundRegionSplitPolicy--">IncreasingToUpperBoundRegionSplitPolicy</a></span>()</code> </td> |
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| <td class="colFirst"><code>protected void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/IncreasingToUpperBoundRegionSplitPolicy.html#configureForRegion-org.apache.hadoop.hbase.regionserver.HRegion-">configureForRegion</a></span>(<a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.html" title="class in org.apache.hadoop.hbase.regionserver">HRegion</a> region)</code> |
| <div class="block">Upon construction, this method will be called with the region |
| to be governed.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>private int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/IncreasingToUpperBoundRegionSplitPolicy.html#getCountOfCommonTableRegions--">getCountOfCommonTableRegions</a></span>()</code> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>protected long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/IncreasingToUpperBoundRegionSplitPolicy.html#getSizeToCheck-int-">getSizeToCheck</a></span>(int tableRegionsCount)</code> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>protected boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/IncreasingToUpperBoundRegionSplitPolicy.html#shouldSplit--">shouldSplit</a></span>()</code> </td> |
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| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/IncreasingToUpperBoundRegionSplitPolicy.html#toString--">toString</a></span>()</code> </td> |
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| <h4>LOG</h4> |
| <pre>private static final org.slf4j.Logger <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/IncreasingToUpperBoundRegionSplitPolicy.html#line.47">LOG</a></pre> |
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| <h4>IncreasingToUpperBoundRegionSplitPolicy</h4> |
| <pre>public <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/IncreasingToUpperBoundRegionSplitPolicy.html#line.46">IncreasingToUpperBoundRegionSplitPolicy</a>()</pre> |
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| <dl> |
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| <dd><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/ConstantSizeRegionSplitPolicy.html#toString--">toString</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/ConstantSizeRegionSplitPolicy.html" title="class in org.apache.hadoop.hbase.regionserver">ConstantSizeRegionSplitPolicy</a></code></dd> |
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| <pre>protected void <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/IncreasingToUpperBoundRegionSplitPolicy.html#line.59">configureForRegion</a>(<a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.html" title="class in org.apache.hadoop.hbase.regionserver">HRegion</a> region)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/RegionSplitPolicy.html#configureForRegion-org.apache.hadoop.hbase.regionserver.HRegion-">RegionSplitPolicy</a></code></span></div> |
| <div class="block">Upon construction, this method will be called with the region |
| to be governed. It will be called once and only once.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/ConstantSizeRegionSplitPolicy.html#configureForRegion-org.apache.hadoop.hbase.regionserver.HRegion-">configureForRegion</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/ConstantSizeRegionSplitPolicy.html" title="class in org.apache.hadoop.hbase.regionserver">ConstantSizeRegionSplitPolicy</a></code></dd> |
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| <h4>shouldSplit</h4> |
| <pre>protected boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/IncreasingToUpperBoundRegionSplitPolicy.html#line.77">shouldSplit</a>()</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/ConstantSizeRegionSplitPolicy.html#shouldSplit--">shouldSplit</a></code> in class <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/ConstantSizeRegionSplitPolicy.html" title="class in org.apache.hadoop.hbase.regionserver">ConstantSizeRegionSplitPolicy</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if the specified region should be split.</dd> |
| </dl> |
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| <pre>private int <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/IncreasingToUpperBoundRegionSplitPolicy.html#line.96">getCountOfCommonTableRegions</a>()</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Count of regions on this server that share the table this.region |
| belongs to</dd> |
| </dl> |
| </li> |
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| <h4>getSizeToCheck</h4> |
| <pre>protected long <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/IncreasingToUpperBoundRegionSplitPolicy.html#line.117">getSizeToCheck</a>(int tableRegionsCount)</pre> |
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| <dd>Region max size or <code>count of regions cubed * 2 * flushsize</code>, |
| which ever is smaller; guard against there being zero regions on this server.</dd> |
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