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| <div class="subTitle">org.apache.hadoop.hbase.regionserver</div> |
| <h2 title="Class TestMultiColumnScanner" class="title">Class TestMultiColumnScanner</h2> |
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| <ul class="inheritance"> |
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| <li>org.apache.hadoop.hbase.regionserver.TestMultiColumnScanner</li> |
| </ul> |
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| <dd><a href="../../../../../org/apache/hadoop/hbase/regionserver/TestMultiColumnScannerWithAlgoGZAndNoDataEncoding.html" title="class in org.apache.hadoop.hbase.regionserver">TestMultiColumnScannerWithAlgoGZAndNoDataEncoding</a>, <a href="../../../../../org/apache/hadoop/hbase/regionserver/TestMultiColumnScannerWithAlgoGZAndUseDataEncoding.html" title="class in org.apache.hadoop.hbase.regionserver">TestMultiColumnScannerWithAlgoGZAndUseDataEncoding</a>, <a href="../../../../../org/apache/hadoop/hbase/regionserver/TestMultiColumnScannerWithNoneAndNoDataEncoding.html" title="class in org.apache.hadoop.hbase.regionserver">TestMultiColumnScannerWithNoneAndNoDataEncoding</a>, <a href="../../../../../org/apache/hadoop/hbase/regionserver/TestMultiColumnScannerWithNoneAndUseDataEncoding.html" title="class in org.apache.hadoop.hbase.regionserver">TestMultiColumnScannerWithNoneAndUseDataEncoding</a></dd> |
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| <br> |
| <pre>public abstract class <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/TestMultiColumnScanner.html#line.69">TestMultiColumnScanner</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">Tests optimized scanning of multiple columns. <br> |
| We separated the big test into several sub-class UT, because When in ROWCOL bloom type, we will |
| test the row-col bloom filter frequently for saving HDFS seek once we switch from one column to |
| another in our UT. It's cpu time consuming (~45s for each case), so moved the ROWCOL case into a |
| separated LargeTests to avoid timeout failure. <br> |
| <br> |
| To be clear: In TestMultiColumnScanner, we will flush 10 (NUM_FLUSHES=10) HFiles here, and the |
| table will put ~1000 cells (rows=20, ts=6, qualifiers=8, total=20*6*8 ~ 1000) . Each full table |
| scan will check the ROWCOL bloom filter 20 (rows)* 8 (column) * 10 (hfiles)= 1600 times, beside |
| it will scan the full table 6*2^8=1536 times, so finally will have 1600*1536=2457600 bloom filter |
| testing. (See HBASE-21520)</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 static long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/TestMultiColumnScanner.html#BIG_LONG">BIG_LONG</a></span></code> |
| <div class="block">A large value of type long for use as a timestamp</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>org.apache.hadoop.hbase.regionserver.BloomType</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/TestMultiColumnScanner.html#bloomType">bloomType</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private static double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/TestMultiColumnScanner.html#COLUMN_SKIP_IN_STORE_FILE_PROB">COLUMN_SKIP_IN_STORE_FILE_PROB</a></span></code> |
| <div class="block">The probability that a column is skipped in a store file.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>org.apache.hadoop.hbase.io.compress.Compression.Algorithm</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/TestMultiColumnScanner.html#comprAlgo">comprAlgo</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>org.apache.hadoop.hbase.io.encoding.DataBlockEncoding</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/TestMultiColumnScanner.html#dataBlockEncoding">dataBlockEncoding</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private static double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/TestMultiColumnScanner.html#DELETE_PROBABILITY">DELETE_PROBABILITY</a></span></code> |
| <div class="block">The probability to delete a row/column pair</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private static <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/regionserver/TestMultiColumnScanner.html#FAMILY">FAMILY</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private static byte[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/TestMultiColumnScanner.html#FAMILY_BYTES">FAMILY_BYTES</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <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/TestMultiColumnScanner.html#LOG">LOG</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/TestMultiColumnScanner.html#MAX_COLUMN_BIT_MASK">MAX_COLUMN_BIT_MASK</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>(package private) static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/TestMultiColumnScanner.html#MAX_VERSIONS">MAX_VERSIONS</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/TestMultiColumnScanner.html#NUM_COLUMNS">NUM_COLUMNS</a></span></code> |
| <div class="block">The size of the column qualifier set used.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/TestMultiColumnScanner.html#NUM_FLUSHES">NUM_FLUSHES</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/TestMultiColumnScanner.html#NUM_ROWS">NUM_ROWS</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private static <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/regionserver/TestMultiColumnScanner.html#TABLE_NAME">TABLE_NAME</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private static <a href="../../../../../org/apache/hadoop/hbase/HBaseTestingUtil.html" title="class in org.apache.hadoop.hbase">HBaseTestingUtil</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/TestMultiColumnScanner.html#TEST_UTIL">TEST_UTIL</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private static long[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/TestMultiColumnScanner.html#TIMESTAMPS">TIMESTAMPS</a></span></code> |
| <div class="block">Timestamps to test with.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
| <ul class="blockList"> |
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| <h3>Constructor Summary</h3> |
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| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/TestMultiColumnScanner.html#TestMultiColumnScanner--">TestMultiColumnScanner</a></span>()</code> </td> |
| </tr> |
| </table> |
| </li> |
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| <!-- ========== METHOD SUMMARY =========== --> |
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| <h3>Method Summary</h3> |
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| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></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="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete 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>(package private) static <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/regionserver/TestMultiColumnScanner.html#createValue-java.lang.String-java.lang.String-long-">createValue</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> row, |
| <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> qual, |
| long ts)</code> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static <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><<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>[]></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/TestMultiColumnScanner.html#generateParams-org.apache.hadoop.hbase.io.compress.Compression.Algorithm-boolean-">generateParams</a></span>(org.apache.hadoop.hbase.io.compress.Compression.Algorithm algo, |
| boolean useDataBlockEncoding)</code> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>private static <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/regionserver/TestMultiColumnScanner.html#getRowQualStr-org.apache.hadoop.hbase.Cell-">getRowQualStr</a></span>(org.apache.hadoop.hbase.Cell kv)</code> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>private static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/TestMultiColumnScanner.html#matchesQuery-org.apache.hadoop.hbase.KeyValue-java.util.Set-int-java.util.Map-">matchesQuery</a></span>(org.apache.hadoop.hbase.KeyValue kv, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</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>> qualSet, |
| int maxVersions, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</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/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>> lastDelTimeMap)</code> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>private static <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/regionserver/TestMultiColumnScanner.html#qualStr-org.apache.hadoop.hbase.KeyValue-">qualStr</a></span>(org.apache.hadoop.hbase.KeyValue kv)</code> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</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>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/TestMultiColumnScanner.html#sequentialStrings-java.lang.String-int-">sequentialStrings</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> prefix, |
| int n)</code> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/TestMultiColumnScanner.html#testMultiColumnScanner--">testMultiColumnScanner</a></span>()</code> </td> |
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| <h3>Methods inherited from class java.lang.<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></h3> |
| <code><a href="https://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="https://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="https://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="https://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="https://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="https://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="https://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="https://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="https://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="https://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="https://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> |
| </ul> |
| </li> |
| </ul> |
| </li> |
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| </div> |
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| <h3>Field Detail</h3> |
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| <h4>LOG</h4> |
| <pre>private static final org.slf4j.Logger <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/TestMultiColumnScanner.html#line.71">LOG</a></pre> |
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| <h4>TABLE_NAME</h4> |
| <pre>private static final <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/regionserver/TestMultiColumnScanner.html#line.73">TABLE_NAME</a></pre> |
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| <div class="block">The size of the column qualifier set used. Increasing this parameter |
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| <div class="block">A large value of type long for use as a timestamp</div> |
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| <div class="block">Timestamps to test with. Cannot use <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true#MAX_VALUE" title="class or interface in java.lang"><code>Long.MAX_VALUE</code></a> here, because |
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| <div class="block">The probability that a column is skipped in a store file.</div> |
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