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From mi...@apache.org
Subject [07/23] hbase-site git commit: Published site at 3a6d683d63089c1986e68e531939df7328e58300.
Date Fri, 18 Mar 2016 19:02:13 GMT
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/07fa263b/testdevapidocs/src-html/org/apache/hadoop/hbase/TestPartialResultsFromClientSide.html
----------------------------------------------------------------------
diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/TestPartialResultsFromClientSide.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/TestPartialResultsFromClientSide.html
index 9166af1..d1d6220 100644
--- a/testdevapidocs/src-html/org/apache/hadoop/hbase/TestPartialResultsFromClientSide.html
+++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/TestPartialResultsFromClientSide.html
@@ -25,819 +25,1030 @@
 <span class="sourceLineNo">017</span> */<a name="line.17"></a>
 <span class="sourceLineNo">018</span>package org.apache.hadoop.hbase;<a name="line.18"></a>
 <span class="sourceLineNo">019</span><a name="line.19"></a>
-<span class="sourceLineNo">020</span>import static org.junit.Assert.assertEquals;<a name="line.20"></a>
-<span class="sourceLineNo">021</span>import static org.junit.Assert.assertFalse;<a name="line.21"></a>
-<span class="sourceLineNo">022</span>import static org.junit.Assert.assertTrue;<a name="line.22"></a>
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-<span class="sourceLineNo">025</span>import java.io.IOException;<a name="line.25"></a>
-<span class="sourceLineNo">026</span>import java.util.ArrayList;<a name="line.26"></a>
-<span class="sourceLineNo">027</span>import java.util.LinkedHashSet;<a name="line.27"></a>
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-<span class="sourceLineNo">030</span><a name="line.30"></a>
-<span class="sourceLineNo">031</span>import org.apache.commons.logging.Log;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import org.apache.commons.logging.LogFactory;<a name="line.32"></a>
-<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.client.ClientScanner;<a name="line.33"></a>
-<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.client.Delete;<a name="line.34"></a>
-<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.client.Put;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.client.Result;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.client.ResultScanner;<a name="line.37"></a>
-<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.client.Scan;<a name="line.38"></a>
-<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.client.Table;<a name="line.39"></a>
-<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.filter.ColumnPrefixFilter;<a name="line.40"></a>
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-<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.filter.RandomRowFilter;<a name="line.45"></a>
-<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.46"></a>
-<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.47"></a>
-<span class="sourceLineNo">048</span>import org.junit.AfterClass;<a name="line.48"></a>
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-<span class="sourceLineNo">053</span>/**<a name="line.53"></a>
-<span class="sourceLineNo">054</span> * These tests are focused on testing how partial results appear to a client. Partial results are<a name="line.54"></a>
-<span class="sourceLineNo">055</span> * {@link Result}s that contain only a portion of a row's complete list of cells. Partial results<a name="line.55"></a>
-<span class="sourceLineNo">056</span> * are formed when the server breaches its maximum result size when trying to service a client's RPC<a name="line.56"></a>
-<span class="sourceLineNo">057</span> * request. It is the responsibility of the scanner on the client side to recognize when partial<a name="line.57"></a>
-<span class="sourceLineNo">058</span> * results have been returned and to take action to form the complete results.<a name="line.58"></a>
-<span class="sourceLineNo">059</span> * &lt;p&gt;<a name="line.59"></a>
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-<span class="sourceLineNo">061</span> * {@link ResultScanner#next()} should never see partial results.<a name="line.61"></a>
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-<span class="sourceLineNo">064</span>public class TestPartialResultsFromClientSide {<a name="line.64"></a>
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-<span class="sourceLineNo">067</span>  private final static HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();<a name="line.67"></a>
+<span class="sourceLineNo">020</span>import static org.junit.Assert.assertArrayEquals;<a name="line.20"></a>
+<span class="sourceLineNo">021</span>import static org.junit.Assert.assertEquals;<a name="line.21"></a>
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+<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.client.ClientScanner;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.client.Delete;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.client.Put;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.client.Result;<a name="line.37"></a>
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+<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.client.Table;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.filter.ColumnPrefixFilter;<a name="line.41"></a>
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+<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.filter.Filter;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.filter.FirstKeyOnlyFilter;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.filter.FirstKeyValueMatchingQualifiersFilter;<a name="line.45"></a>
+<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.filter.RandomRowFilter;<a name="line.46"></a>
+<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.47"></a>
+<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.48"></a>
+<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.49"></a>
+<span class="sourceLineNo">050</span>import org.junit.AfterClass;<a name="line.50"></a>
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+<span class="sourceLineNo">054</span><a name="line.54"></a>
+<span class="sourceLineNo">055</span>/**<a name="line.55"></a>
+<span class="sourceLineNo">056</span> * These tests are focused on testing how partial results appear to a client. Partial results are<a name="line.56"></a>
+<span class="sourceLineNo">057</span> * {@link Result}s that contain only a portion of a row's complete list of cells. Partial results<a name="line.57"></a>
+<span class="sourceLineNo">058</span> * are formed when the server breaches its maximum result size when trying to service a client's RPC<a name="line.58"></a>
+<span class="sourceLineNo">059</span> * request. It is the responsibility of the scanner on the client side to recognize when partial<a name="line.59"></a>
+<span class="sourceLineNo">060</span> * results have been returned and to take action to form the complete results.<a name="line.60"></a>
+<span class="sourceLineNo">061</span> * &lt;p&gt;<a name="line.61"></a>
+<span class="sourceLineNo">062</span> * Unless the flag {@link Scan#setAllowPartialResults(boolean)} has been set to true, the caller of<a name="line.62"></a>
+<span class="sourceLineNo">063</span> * {@link ResultScanner#next()} should never see partial results.<a name="line.63"></a>
+<span class="sourceLineNo">064</span> */<a name="line.64"></a>
+<span class="sourceLineNo">065</span>@Category(MediumTests.class)<a name="line.65"></a>
+<span class="sourceLineNo">066</span>public class TestPartialResultsFromClientSide {<a name="line.66"></a>
+<span class="sourceLineNo">067</span>  private static final Log LOG = LogFactory.getLog(TestPartialResultsFromClientSide.class);<a name="line.67"></a>
 <span class="sourceLineNo">068</span><a name="line.68"></a>
-<span class="sourceLineNo">069</span>  private static Table TABLE = null;<a name="line.69"></a>
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-<span class="sourceLineNo">071</span>  /**<a name="line.71"></a>
-<span class="sourceLineNo">072</span>   * Table configuration<a name="line.72"></a>
-<span class="sourceLineNo">073</span>   */<a name="line.73"></a>
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-<span class="sourceLineNo">075</span><a name="line.75"></a>
-<span class="sourceLineNo">076</span>  private static int NUM_ROWS = 5;<a name="line.76"></a>
-<span class="sourceLineNo">077</span>  private static byte[] ROW = Bytes.toBytes("testRow");<a name="line.77"></a>
-<span class="sourceLineNo">078</span>  private static byte[][] ROWS = HTestConst.makeNAscii(ROW, NUM_ROWS);<a name="line.78"></a>
-<span class="sourceLineNo">079</span><a name="line.79"></a>
-<span class="sourceLineNo">080</span>  // Should keep this value below 10 to keep generation of expected kv's simple. If above 10 then<a name="line.80"></a>
-<span class="sourceLineNo">081</span>  // table/row/cf1/... will be followed by table/row/cf10/... instead of table/row/cf2/... which<a name="line.81"></a>
-<span class="sourceLineNo">082</span>  // breaks the simple generation of expected kv's<a name="line.82"></a>
-<span class="sourceLineNo">083</span>  private static int NUM_FAMILIES = 10;<a name="line.83"></a>
-<span class="sourceLineNo">084</span>  private static byte[] FAMILY = Bytes.toBytes("testFamily");<a name="line.84"></a>
-<span class="sourceLineNo">085</span>  private static byte[][] FAMILIES = HTestConst.makeNAscii(FAMILY, NUM_FAMILIES);<a name="line.85"></a>
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-<span class="sourceLineNo">089</span>  private static byte[][] QUALIFIERS = HTestConst.makeNAscii(QUALIFIER, NUM_QUALIFIERS);<a name="line.89"></a>
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-<span class="sourceLineNo">093</span><a name="line.93"></a>
-<span class="sourceLineNo">094</span>  private static int NUM_COLS = NUM_FAMILIES * NUM_QUALIFIERS;<a name="line.94"></a>
+<span class="sourceLineNo">069</span>  private final static HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();<a name="line.69"></a>
+<span class="sourceLineNo">070</span>  private final static int MINICLUSTER_SIZE = 5;<a name="line.70"></a>
+<span class="sourceLineNo">071</span>  private static Table TABLE = null;<a name="line.71"></a>
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+<span class="sourceLineNo">077</span><a name="line.77"></a>
+<span class="sourceLineNo">078</span>  private static int NUM_ROWS = 5;<a name="line.78"></a>
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+<span class="sourceLineNo">080</span>  private static byte[][] ROWS = HTestConst.makeNAscii(ROW, NUM_ROWS);<a name="line.80"></a>
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+<span class="sourceLineNo">082</span>  // Should keep this value below 10 to keep generation of expected kv's simple. If above 10 then<a name="line.82"></a>
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+<span class="sourceLineNo">084</span>  // breaks the simple generation of expected kv's<a name="line.84"></a>
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+<span class="sourceLineNo">086</span>  private static byte[] FAMILY = Bytes.toBytes("testFamily");<a name="line.86"></a>
+<span class="sourceLineNo">087</span>  private static byte[][] FAMILIES = HTestConst.makeNAscii(FAMILY, NUM_FAMILIES);<a name="line.87"></a>
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+<span class="sourceLineNo">089</span>  private static int NUM_QUALIFIERS = 10;<a name="line.89"></a>
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+<span class="sourceLineNo">091</span>  private static byte[][] QUALIFIERS = HTestConst.makeNAscii(QUALIFIER, NUM_QUALIFIERS);<a name="line.91"></a>
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+<span class="sourceLineNo">093</span>  private static int VALUE_SIZE = 1024;<a name="line.93"></a>
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 <span class="sourceLineNo">095</span><a name="line.95"></a>
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+<span class="sourceLineNo">098</span>  // Approximation of how large the heap size of cells in our table. Should be accessed through<a name="line.98"></a>
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+<span class="sourceLineNo">112</span>    List&lt;Put&gt; puts = createPuts(rows, families, qualifiers, cellValue);<a name="line.112"></a>
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+<span class="sourceLineNo">374</span><a name="line.374"></a>
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+<span class="sourceLineNo">382</span><a name="line.382"></a>
+<span class="sourceLineNo">383</span>  /**<a name="line.383"></a>
+<span class="sourceLineNo">384</span>   * @param numberOfCells<a name="line.384"></a>
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+<span class="sourceLineNo">386</span>   *         the server to return exactly numberOfCells cells<a name="line.386"></a>
+<span class="sourceLineNo">387</span>   * @throws Exception<a name="line.387"></a>
+<span class="sourceLineNo">388</span>   */<a name="line.388"></a>
+<span class="sourceLineNo">389</span>  private long getResultSizeForNumberOfCells(int numberOfCells) throws Exception {<a name="line.389"></a>
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+<span class="sourceLineNo">392</span><a name="line.392"></a>
+<span class="sourceLineNo">393</span>  /**<a name="line.393"></a>
+<span class="sourceLineNo">394</span>   * Test various combinations of batching and partial results for correctness<a name="line.394"></a>
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+<span class="sourceLineNo">397</span>  public void testPartialResultsAndBatch() throws Exception {<a name="line.397"></a>
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+<span class="sourceLineNo">402</span>    }<a name="line.402"></a>
+<span class="sourceLineNo">403</span>  }<a name="line.403"></a>
+<span class="sourceLineNo">404</span><a name="line.404"></a>
+<span class="sourceLineNo">405</span>  public void testPartialResultsAndBatch(final int batch, final int cellsPerPartialResult)<a name="line.405"></a>
+<span class="sourceLineNo">406</span>      throws Exception {<a name="line.406"></a>
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+<span class="sourceLineNo">409</span>    }<a name="line.409"></a>
+<span class="sourceLineNo">410</span><a name="line.410"></a>
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+<span class="sourceLineNo">413</span>    scan.setBatch(batch);<a name="line.413"></a>
+<span class="sourceLineNo">414</span>    ResultScanner scanner = TABLE.getScanner(scan);<a name="line.414"></a>
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-<span class="sourceLineNo">421</span>                + " cellsPerPartialResult:" + cellsPerPartialResult + " rep:" + repCount;<a name="line.421"></a>
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+<span class="sourceLineNo">420</span><a name="line.420"></a>
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+<span class="sourceLineNo">424</span>                + " cellsPerPartialResult:" + cellsPerPartialResult + " rep:" + repCount;<a name="line.424"></a>
+<span class="sourceLineNo">425</span>        assertTrue(error, result.rawCells().length &lt;= Math.min(batch, cellsPerPartialResult));<a name="line.425"></a>
+<span class="sourceLineNo">426</span>      } else {<a name="line.426"></a>
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+<span class="sourceLineNo">428</span>      }<a name="line.428"></a>
+<span class="sourceLineNo">429</span>      repCount++;<a name="line.429"></a>
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-<span class="sourceLineNo">467</span>      oneShotResult = oneShotScanner.next();<a name="line.467"></a>
+<span class="sourceLineNo">432</span>    scanner.close();<a name="line.432"></a>
+<span class="sourceLineNo">433</span>  }<a name="line.433"></a>
+<span class="sourceLineNo">434</span><a name="line.434"></a>
+<span class="sourceLineNo">435</span>  /**<a name="line.435"></a>
+<span class="sourceLineNo">436</span>   * Test the method {@link Result#createCompleteResult(List)}<a name="line.436"></a>
+<span class="sourceLineNo">437</span>   * @throws Exception<a name="line.437"></a>
+<span class="sourceLineNo">438</span>   */<a name="line.438"></a>
+<span class="sourceLineNo">439</span>  @Test<a name="line.439"></a>
+<span class="sourceLineNo">440</span>  public void testPartialResultsReassembly() throws Exception {<a name="line.440"></a>
+<span class="sourceLineNo">441</span>    Scan scan = new Scan();<a name="line.441"></a>
+<span class="sourceLineNo">442</span>    testPartialResultsReassembly(scan);<a name="line.442"></a>
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+<span class="sourceLineNo">445</span>  }<a name="line.445"></a>
+<span class="sourceLineNo">446</span><a name="line.446"></a>
+<span class="sourceLineNo">447</span>  public void testPartialResultsReassembly(Scan scanBase) throws Exception {<a name="line.447"></a>
+<span class="sourceLineNo">448</span>    Scan partialScan = new Scan(scanBase);<a name="line.448"></a>
+<span class="sourceLineNo">449</span>    partialScan.setMaxResultSize(1);<a name="line.449"></a>
+<span class="sourceLineNo">450</span>    partialScan.setAllowPartialResults(true);<a name="line.450"></a>
+<span class="sourceLineNo">451</span>    ResultScanner partialScanner = TABLE.getScanner(partialScan);<a name="line.451"></a>
+<span class="sourceLineNo">452</span><a name="line.452"></a>
+<span class="sourceLineNo">453</span>    Scan oneShotScan = new Scan(scanBase);<a name="line.453"></a>
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+<span class="sourceLineNo">455</span>    ResultScanner oneShotScanner = TABLE.getScanner(oneShotScan);<a name="line.455"></a>
+<span class="sourceLineNo">456</span><a name="line.456"></a>
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+<span class="sourceLineNo">460</span>      Result completeResult = null;<a name="line.460"></a>
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+<span class="sourceLineNo">463</span><a name="line.463"></a>
+<span class="sourceLineNo">464</span>      do {<a name="line.464"></a>
+<span class="sourceLineNo">465</span>        partialResult = partialScanner.next();<a name="line.465"></a>
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+<span class="sourceLineNo">469</span>      completeResult = Result.createCompleteResult(partials);<a name="line.469"></a>
+<span class="sourceLineNo">470</span>      oneShotResult = oneShotScanner.next();<a name="line.470"></a>
 <span class="sourceLineNo">471</span><a name="line.471"></a>
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-<span class="sourceLineNo">473</span>    assertTrue(partialScanner.next() == null);<a name="line.473"></a>
+<span class="sourceLineNo">472</span>      compareResults(completeResult, oneShotResult, null);<a name="line.472"></a>
+<span class="sourceLineNo">473</span>    }<a name="line.473"></a>
 <span class="sourceLineNo">474</span><a name="line.474"></a>
-<span class="sourceLineNo">475</span>    oneShotScanner.close();<a name="line.475"></a>
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-<span class="sourceLineNo">478</span><a name="line.478"></a>
-<span class="sourceLineNo">479</span>  /**<a name="line.479"></a>
-<span class="sourceLineNo">480</span>   * When reconstructing the complete result from its partials we ensure that the row of each<a name="line.480"><

<TRUNCATED>

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