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| <div class="subTitle">org.apache.hadoop.hbase.io.hfile</div> |
| <h2 title="Class BlockCacheUtil.CachedBlocksByFile" class="title">Class BlockCacheUtil.CachedBlocksByFile</h2> |
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| <li>org.apache.hadoop.hbase.io.hfile.BlockCacheUtil.CachedBlocksByFile</li> |
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| </li> |
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| <dt>Enclosing class:</dt> |
| <dd><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.html" title="class in org.apache.hadoop.hbase.io.hfile">BlockCacheUtil</a></dd> |
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| <br> |
| <pre>public static class <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.html#line.263">BlockCacheUtil.CachedBlocksByFile</a> |
| 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">Use one of these to keep a running account of cached blocks by file. Throw it away when done. |
| This is different than metrics in that it is stats on current state of a cache. |
| See getLoadedCachedBlocksByFile</div> |
| </li> |
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| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Field and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/util/NavigableMap.html?is-external=true" title="class or interface in java.util">NavigableMap</a><<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>,<a href="https://docs.oracle.com/javase/8/docs/api/java/util/NavigableSet.html?is-external=true" title="class or interface in java.util">NavigableSet</a><<a href="../../../../../../org/apache/hadoop/hbase/io/hfile/CachedBlock.html" title="interface in org.apache.hadoop.hbase.io.hfile">CachedBlock</a>>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.CachedBlocksByFile.html#cachedBlockByFile">cachedBlockByFile</a></span></code> |
| <div class="block">Map by filename.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.CachedBlocksByFile.html#count">count</a></span></code> </td> |
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| <tr class="altColor"> |
| <td class="colFirst"><code>private int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.CachedBlocksByFile.html#dataBlockCount">dataBlockCount</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.CachedBlocksByFile.html#dataSize">dataSize</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.CachedBlocksByFile.html#DEFAULT_MAX">DEFAULT_MAX</a></span></code> </td> |
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| <tr class="rowColor"> |
| <td class="colFirst"><code>(package private) <a href="../../../../../../org/apache/hadoop/hbase/metrics/impl/FastLongHistogram.html" title="class in org.apache.hadoop.hbase.metrics.impl">FastLongHistogram</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.CachedBlocksByFile.html#hist">hist</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.CachedBlocksByFile.html#max">max</a></span></code> |
| <div class="block">How many blocks to look at before we give up.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.CachedBlocksByFile.html#now">now</a></span></code> </td> |
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| <tr class="altColor"> |
| <td class="colFirst"><code>private long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.CachedBlocksByFile.html#size">size</a></span></code> </td> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.CachedBlocksByFile.html#CachedBlocksByFile--">CachedBlocksByFile</a></span>()</code> </td> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.CachedBlocksByFile.html#CachedBlocksByFile-org.apache.hadoop.conf.Configuration-">CachedBlocksByFile</a></span>(org.apache.hadoop.conf.Configuration c)</code> </td> |
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| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
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| <td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/AgeSnapshot.html" title="class in org.apache.hadoop.hbase.io.hfile">AgeSnapshot</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.CachedBlocksByFile.html#getAgeInCacheSnapshot--">getAgeInCacheSnapshot</a></span>()</code> </td> |
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| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/NavigableMap.html?is-external=true" title="class or interface in java.util">NavigableMap</a><<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>,<a href="https://docs.oracle.com/javase/8/docs/api/java/util/NavigableSet.html?is-external=true" title="class or interface in java.util">NavigableSet</a><<a href="../../../../../../org/apache/hadoop/hbase/io/hfile/CachedBlock.html" title="interface in org.apache.hadoop.hbase.io.hfile">CachedBlock</a>>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.CachedBlocksByFile.html#getCachedBlockStatsByFile--">getCachedBlockStatsByFile</a></span>()</code> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.CachedBlocksByFile.html#getCount--">getCount</a></span>()</code> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.CachedBlocksByFile.html#getDataCount--">getDataCount</a></span>()</code> </td> |
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| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.CachedBlocksByFile.html#getDataSize--">getDataSize</a></span>()</code> </td> |
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| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.CachedBlocksByFile.html#getSize--">getSize</a></span>()</code> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.CachedBlocksByFile.html#isFull--">isFull</a></span>()</code> </td> |
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| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code><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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.CachedBlocksByFile.html#toString--">toString</a></span>()</code> </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.CachedBlocksByFile.html#update-org.apache.hadoop.hbase.io.hfile.CachedBlock-">update</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/io/hfile/CachedBlock.html" title="interface in org.apache.hadoop.hbase.io.hfile">CachedBlock</a> cb)</code> </td> |
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| <h3>Field Detail</h3> |
| <a name="count"> |
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| <h4>count</h4> |
| <pre>private int <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.CachedBlocksByFile.html#line.264">count</a></pre> |
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| <h4>size</h4> |
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| <h4>dataSize</h4> |
| <pre>private long <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.CachedBlocksByFile.html#line.267">dataSize</a></pre> |
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| <pre>private final long <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.CachedBlocksByFile.html#line.268">now</a></pre> |
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| <pre>private final int <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.CachedBlocksByFile.html#line.276">max</a></pre> |
| <div class="block">How many blocks to look at before we give up. |
| There could be many millions of blocks. We don't want the |
| ui to freeze while we run through 1B blocks... users will |
| think hbase dead. UI displays warning in red when stats |
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| <h4>DEFAULT_MAX</h4> |
| <pre>public static final int <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.CachedBlocksByFile.html#line.277">DEFAULT_MAX</a></pre> |
| <dl> |
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| <dd><a href="../../../../../../constant-values.html#org.apache.hadoop.hbase.io.hfile.BlockCacheUtil.CachedBlocksByFile.DEFAULT_MAX">Constant Field Values</a></dd> |
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| <h4>cachedBlockByFile</h4> |
| <pre>private transient <a href="https://docs.oracle.com/javase/8/docs/api/java/util/NavigableMap.html?is-external=true" title="class or interface in java.util">NavigableMap</a><<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>,<a href="https://docs.oracle.com/javase/8/docs/api/java/util/NavigableSet.html?is-external=true" title="class or interface in java.util">NavigableSet</a><<a href="../../../../../../org/apache/hadoop/hbase/io/hfile/CachedBlock.html" title="interface in org.apache.hadoop.hbase.io.hfile">CachedBlock</a>>> <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.CachedBlocksByFile.html#line.290">cachedBlockByFile</a></pre> |
| <div class="block">Map by filename. use concurent utils because we want our Map and contained blocks sorted.</div> |
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| <h4>hist</h4> |
| <pre><a href="../../../../../../org/apache/hadoop/hbase/metrics/impl/FastLongHistogram.html" title="class in org.apache.hadoop.hbase.metrics.impl">FastLongHistogram</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.CachedBlocksByFile.html#line.292">hist</a></pre> |
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| <pre><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.CachedBlocksByFile.html#line.279">CachedBlocksByFile</a>()</pre> |
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| <h4>CachedBlocksByFile</h4> |
| <pre><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.CachedBlocksByFile.html#line.283">CachedBlocksByFile</a>(org.apache.hadoop.conf.Configuration c)</pre> |
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| <h3>Method Detail</h3> |
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| <h4>update</h4> |
| <pre>public boolean <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.CachedBlocksByFile.html#line.298">update</a>(<a href="../../../../../../org/apache/hadoop/hbase/io/hfile/CachedBlock.html" title="interface in org.apache.hadoop.hbase.io.hfile">CachedBlock</a> cb)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>cb</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>True if full.... if we won't be adding any more.</dd> |
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| <h4>isFull</h4> |
| <pre>public boolean <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.CachedBlocksByFile.html#line.323">isFull</a>()</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>True if full; i.e. there are more items in the cache but we only loaded up |
| the maximum set in configuration <code>hbase.ui.blockcache.by.file.max</code> |
| (Default: DEFAULT_MAX).</dd> |
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| <h4>getCachedBlockStatsByFile</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/NavigableMap.html?is-external=true" title="class or interface in java.util">NavigableMap</a><<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>,<a href="https://docs.oracle.com/javase/8/docs/api/java/util/NavigableSet.html?is-external=true" title="class or interface in java.util">NavigableSet</a><<a href="../../../../../../org/apache/hadoop/hbase/io/hfile/CachedBlock.html" title="interface in org.apache.hadoop.hbase.io.hfile">CachedBlock</a>>> <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.CachedBlocksByFile.html#line.327">getCachedBlockStatsByFile</a>()</pre> |
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| <h4>getCount</h4> |
| <pre>public int <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.CachedBlocksByFile.html#line.334">getCount</a>()</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>count of blocks in the cache</dd> |
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| <h4>getDataCount</h4> |
| <pre>public int <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.CachedBlocksByFile.html#line.338">getDataCount</a>()</pre> |
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| <h4>getSize</h4> |
| <pre>public long <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.CachedBlocksByFile.html#line.345">getSize</a>()</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>size of blocks in the cache</dd> |
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| <h4>getDataSize</h4> |
| <pre>public long <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.CachedBlocksByFile.html#line.352">getDataSize</a>()</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Size of data.</dd> |
| </dl> |
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| <a name="getAgeInCacheSnapshot--"> |
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| <h4>getAgeInCacheSnapshot</h4> |
| <pre>public <a href="../../../../../../org/apache/hadoop/hbase/io/hfile/AgeSnapshot.html" title="class in org.apache.hadoop.hbase.io.hfile">AgeSnapshot</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.CachedBlocksByFile.html#line.356">getAgeInCacheSnapshot</a>()</pre> |
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| <h4>toString</h4> |
| <pre>public <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> <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/BlockCacheUtil.CachedBlocksByFile.html#line.361">toString</a>()</pre> |
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