http://git-wip-us.apache.org/repos/asf/hbase-site/blob/d917c66a/testdevapidocs/src-html/org/apache/hadoop/hbase/client/TestMultiRespectsLimits.html
----------------------------------------------------------------------
diff --git 
a/testdevapidocs/src-html/org/apache/hadoop/hbase/client/TestMultiRespectsLimits.html
 
b/testdevapidocs/src-html/org/apache/hadoop/hbase/client/TestMultiRespectsLimits.html
index 69da9c5..7d573ec 100644
--- 
a/testdevapidocs/src-html/org/apache/hadoop/hbase/client/TestMultiRespectsLimits.html
+++ 
b/testdevapidocs/src-html/org/apache/hadoop/hbase/client/TestMultiRespectsLimits.html
@@ -28,86 +28,161 @@
 <span class="sourceLineNo">020</span><a name="line.20"></a>
 <span class="sourceLineNo">021</span>import 
org.apache.hadoop.hbase.CompatibilityFactory;<a name="line.21"></a>
 <span class="sourceLineNo">022</span>import 
org.apache.hadoop.hbase.HBaseTestingUtility;<a name="line.22"></a>
-<span class="sourceLineNo">023</span>import 
org.apache.hadoop.hbase.HConstants;<a name="line.23"></a>
-<span class="sourceLineNo">024</span>import 
org.apache.hadoop.hbase.TableName;<a name="line.24"></a>
-<span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.Waiter;<a 
name="line.25"></a>
-<span class="sourceLineNo">026</span>import 
org.apache.hadoop.hbase.ipc.RpcServerInterface;<a name="line.26"></a>
-<span class="sourceLineNo">027</span>import 
org.apache.hadoop.hbase.metrics.BaseSource;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import 
org.apache.hadoop.hbase.test.MetricsAssertHelper;<a name="line.28"></a>
-<span class="sourceLineNo">029</span>import 
org.apache.hadoop.hbase.testclassification.ClientTests;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import 
org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import 
org.apache.hadoop.hbase.util.Bytes;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import org.junit.AfterClass;<a 
name="line.32"></a>
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name="line.33"></a>
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name="line.34"></a>
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org.junit.experimental.categories.Category;<a name="line.35"></a>
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-<span class="sourceLineNo">037</span>import java.util.ArrayList;<a 
name="line.37"></a>
-<span class="sourceLineNo">038</span>import java.util.List;<a 
name="line.38"></a>
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-<span class="sourceLineNo">040</span>import static 
junit.framework.TestCase.assertEquals;<a name="line.40"></a>
-<span class="sourceLineNo">041</span><a name="line.41"></a>
-<span class="sourceLineNo">042</span>/**<a name="line.42"></a>
-<span class="sourceLineNo">043</span> * This test sets the multi size WAAAAAY 
low and then checks to make sure that gets will still make<a name="line.43"></a>
-<span class="sourceLineNo">044</span> * progress.<a name="line.44"></a>
-<span class="sourceLineNo">045</span> */<a name="line.45"></a>
-<span class="sourceLineNo">046</span>@Category({MediumTests.class, 
ClientTests.class})<a name="line.46"></a>
-<span class="sourceLineNo">047</span>public class TestMultiRespectsLimits {<a 
name="line.47"></a>
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HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();<a name="line.48"></a>
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MetricsAssertHelper METRICS_ASSERT =<a name="line.49"></a>
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CompatibilityFactory.getInstance(MetricsAssertHelper.class);<a 
name="line.50"></a>
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Bytes.toBytes("D");<a name="line.51"></a>
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500;<a name="line.52"></a>
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throws Exception {<a name="line.55"></a>
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TEST_UTIL.getConfiguration().setLong(<a name="line.56"></a>
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HConstants.HBASE_SERVER_SCANNER_MAX_RESULT_SIZE_KEY,<a name="line.57"></a>
-<span class="sourceLineNo">058</span>        MAX_SIZE);<a name="line.58"></a>
-<span class="sourceLineNo">059</span><a name="line.59"></a>
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all regions are on the same server.<a name="line.60"></a>
-<span class="sourceLineNo">061</span>    TEST_UTIL.startMiniCluster(1);<a 
name="line.61"></a>
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-<span class="sourceLineNo">064</span>  @AfterClass<a name="line.64"></a>
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throws Exception {<a name="line.65"></a>
-<span class="sourceLineNo">066</span>    TEST_UTIL.shutdownMiniCluster();<a 
name="line.66"></a>
+<span class="sourceLineNo">023</span>import 
org.apache.hadoop.hbase.HColumnDescriptor;<a name="line.23"></a>
+<span class="sourceLineNo">024</span>import 
org.apache.hadoop.hbase.HConstants;<a name="line.24"></a>
+<span class="sourceLineNo">025</span>import 
org.apache.hadoop.hbase.HTableDescriptor;<a name="line.25"></a>
+<span class="sourceLineNo">026</span>import 
org.apache.hadoop.hbase.TableName;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.Waiter;<a 
name="line.27"></a>
+<span class="sourceLineNo">028</span>import 
org.apache.hadoop.hbase.io.encoding.DataBlockEncoding;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import 
org.apache.hadoop.hbase.ipc.RpcServerInterface;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import 
org.apache.hadoop.hbase.metrics.BaseSource;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import 
org.apache.hadoop.hbase.regionserver.HRegionServer;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import 
org.apache.hadoop.hbase.test.MetricsAssertHelper;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import 
org.apache.hadoop.hbase.testclassification.ClientTests;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import 
org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import 
org.apache.hadoop.hbase.util.Bytes;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import org.junit.AfterClass;<a 
name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.junit.BeforeClass;<a 
name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.junit.Test;<a 
name="line.38"></a>
+<span class="sourceLineNo">039</span>import 
org.junit.experimental.categories.Category;<a name="line.39"></a>
+<span class="sourceLineNo">040</span><a name="line.40"></a>
+<span class="sourceLineNo">041</span>import java.util.ArrayList;<a 
name="line.41"></a>
+<span class="sourceLineNo">042</span>import java.util.List;<a 
name="line.42"></a>
+<span class="sourceLineNo">043</span>import 
java.util.concurrent.ThreadLocalRandom;<a name="line.43"></a>
+<span class="sourceLineNo">044</span><a name="line.44"></a>
+<span class="sourceLineNo">045</span>import static 
junit.framework.TestCase.assertEquals;<a name="line.45"></a>
+<span class="sourceLineNo">046</span><a name="line.46"></a>
+<span class="sourceLineNo">047</span>/**<a name="line.47"></a>
+<span class="sourceLineNo">048</span> * This test sets the multi size WAAAAAY 
low and then checks to make sure that gets will still make<a name="line.48"></a>
+<span class="sourceLineNo">049</span> * progress.<a name="line.49"></a>
+<span class="sourceLineNo">050</span> */<a name="line.50"></a>
+<span class="sourceLineNo">051</span>@Category({MediumTests.class, 
ClientTests.class})<a name="line.51"></a>
+<span class="sourceLineNo">052</span>public class TestMultiRespectsLimits {<a 
name="line.52"></a>
+<span class="sourceLineNo">053</span>  private final static 
HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();<a name="line.53"></a>
+<span class="sourceLineNo">054</span>  private static final 
MetricsAssertHelper METRICS_ASSERT =<a name="line.54"></a>
+<span class="sourceLineNo">055</span>      
CompatibilityFactory.getInstance(MetricsAssertHelper.class);<a 
name="line.55"></a>
+<span class="sourceLineNo">056</span>  private final static byte[] FAMILY = 
Bytes.toBytes("D");<a name="line.56"></a>
+<span class="sourceLineNo">057</span>  public static final int MAX_SIZE = 
500;<a name="line.57"></a>
+<span class="sourceLineNo">058</span><a name="line.58"></a>
+<span class="sourceLineNo">059</span>  @BeforeClass<a name="line.59"></a>
+<span class="sourceLineNo">060</span>  public static void setUpBeforeClass() 
throws Exception {<a name="line.60"></a>
+<span class="sourceLineNo">061</span>    
TEST_UTIL.getConfiguration().setLong(<a name="line.61"></a>
+<span class="sourceLineNo">062</span>        
HConstants.HBASE_SERVER_SCANNER_MAX_RESULT_SIZE_KEY,<a name="line.62"></a>
+<span class="sourceLineNo">063</span>        MAX_SIZE);<a name="line.63"></a>
+<span class="sourceLineNo">064</span><a name="line.64"></a>
+<span class="sourceLineNo">065</span>    // Only start on regionserver so that 
all regions are on the same server.<a name="line.65"></a>
+<span class="sourceLineNo">066</span>    TEST_UTIL.startMiniCluster(1);<a 
name="line.66"></a>
 <span class="sourceLineNo">067</span>  }<a name="line.67"></a>
 <span class="sourceLineNo">068</span><a name="line.68"></a>
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-<span class="sourceLineNo">070</span>  public void testMultiLimits() throws 
Exception {<a name="line.70"></a>
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TableName.valueOf("testMultiLimits");<a name="line.71"></a>
-<span class="sourceLineNo">072</span>    Table t = TEST_UTIL.createTable(name, 
FAMILY);<a name="line.72"></a>
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false);<a name="line.73"></a>
-<span class="sourceLineNo">074</span><a name="line.74"></a>
-<span class="sourceLineNo">075</span>    // Split the table to make sure that 
the chunking happens accross regions.<a name="line.75"></a>
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TEST_UTIL.getHBaseAdmin()) {<a name="line.76"></a>
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Waiter.Predicate&lt;Exception&gt;() {<a name="line.78"></a>
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Exception {<a name="line.80"></a>
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admin.getTableRegions(name).size() &gt; 1;<a name="line.81"></a>
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ArrayList&lt;&gt;(MAX_SIZE);<a name="line.85"></a>
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-<span class="sourceLineNo">087</span>    for (int i = 0; i &lt; MAX_SIZE; i++) 
{<a name="line.87"></a>
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Get(HBaseTestingUtility.ROWS[i]));<a name="line.88"></a>
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throws Exception {<a name="line.70"></a>
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name="line.71"></a>
+<span class="sourceLineNo">072</span>  }<a name="line.72"></a>
+<span class="sourceLineNo">073</span><a name="line.73"></a>
+<span class="sourceLineNo">074</span>  @Test<a name="line.74"></a>
+<span class="sourceLineNo">075</span>  public void testMultiLimits() throws 
Exception {<a name="line.75"></a>
+<span class="sourceLineNo">076</span>    final TableName name = 
TableName.valueOf("testMultiLimits");<a name="line.76"></a>
+<span class="sourceLineNo">077</span>    Table t = TEST_UTIL.createTable(name, 
FAMILY);<a name="line.77"></a>
+<span class="sourceLineNo">078</span>    TEST_UTIL.loadTable(t, FAMILY, 
false);<a name="line.78"></a>
+<span class="sourceLineNo">079</span><a name="line.79"></a>
+<span class="sourceLineNo">080</span>    // Split the table to make sure that 
the chunking happens accross regions.<a name="line.80"></a>
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TEST_UTIL.getAdmin()) {<a name="line.81"></a>
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results.length);<a name="line.91"></a>
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TEST_UTIL.getHBaseCluster().getRegionServer(0).getRpcServer();<a 
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rpcServer.getMetrics().getMetricsSource();<a name="line.93"></a>
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gives an easy lower bound on size.<a name="line.96"></a>
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being reported as much higher than that.<a name="line.97"></a>
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METRICS_ASSERT.assertCounterGt("exceptions", (MAX_SIZE * 25) / MAX_SIZE, s);<a 
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METRICS_ASSERT.assertCounterGt("exceptions.multiResponseTooLarge",<a 
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name="line.100"></a>
-<span class="sourceLineNo">101</span>  }<a name="line.101"></a>
-<span class="sourceLineNo">102</span>}<a name="line.102"></a>
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ArrayList&lt;&gt;(MAX_SIZE);<a name="line.90"></a>
+<span class="sourceLineNo">091</span><a name="line.91"></a>
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{<a name="line.92"></a>
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TEST_UTIL.getHBaseCluster().getRegionServer(0).getRpcServer();<a 
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rpcServer.getMetrics().getMetricsSource();<a name="line.97"></a>
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METRICS_ASSERT.getCounter("exceptions", s);<a name="line.98"></a>
+<span class="sourceLineNo">099</span>    long startingMultiExceptions = 
METRICS_ASSERT.getCounter("exceptions.multiResponseTooLarge", s);<a 
name="line.99"></a>
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name="line.101"></a>
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results.length);<a name="line.102"></a>
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+<span class="sourceLineNo">104</span>    // Cells from TEST_UTIL.loadTable 
have a length of 27.<a name="line.104"></a>
+<span class="sourceLineNo">105</span>    // Multiplying by less than that 
gives an easy lower bound on size.<a name="line.105"></a>
+<span class="sourceLineNo">106</span>    // However in reality each kv is 
being reported as much higher than that.<a name="line.106"></a>
+<span class="sourceLineNo">107</span>    
METRICS_ASSERT.assertCounterGt("exceptions",<a name="line.107"></a>
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25) / MAX_SIZE), s);<a name="line.108"></a>
+<span class="sourceLineNo">109</span>    
METRICS_ASSERT.assertCounterGt("exceptions.multiResponseTooLarge",<a 
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((MAX_SIZE * 25) / MAX_SIZE), s);<a name="line.110"></a>
+<span class="sourceLineNo">111</span>  }<a name="line.111"></a>
+<span class="sourceLineNo">112</span><a name="line.112"></a>
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+<span class="sourceLineNo">114</span>  public void testBlockMultiLimits() 
throws Exception {<a name="line.114"></a>
+<span class="sourceLineNo">115</span>    final TableName name = 
TableName.valueOf("testBlockMultiLimits");<a name="line.115"></a>
+<span class="sourceLineNo">116</span>    HTableDescriptor desc = new 
HTableDescriptor(name);<a name="line.116"></a>
+<span class="sourceLineNo">117</span>    HColumnDescriptor hcd = new 
HColumnDescriptor(FAMILY);<a name="line.117"></a>
+<span class="sourceLineNo">118</span>    
hcd.setDataBlockEncoding(DataBlockEncoding.FAST_DIFF);<a name="line.118"></a>
+<span class="sourceLineNo">119</span>    desc.addFamily(hcd);<a 
name="line.119"></a>
+<span class="sourceLineNo">120</span>    
TEST_UTIL.getHBaseAdmin().createTable(desc);<a name="line.120"></a>
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TEST_UTIL.getConnection().getTable(name);<a name="line.121"></a>
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TEST_UTIL.getHBaseCluster().getRegionServer(0);<a name="line.123"></a>
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regionServer.getRpcServer();<a name="line.124"></a>
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rpcServer.getMetrics().getMetricsSource();<a name="line.125"></a>
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METRICS_ASSERT.getCounter("exceptions", s);<a name="line.126"></a>
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METRICS_ASSERT.getCounter("exceptions.multiResponseTooLarge", s);<a 
name="line.127"></a>
+<span class="sourceLineNo">128</span><a name="line.128"></a>
+<span class="sourceLineNo">129</span>    byte[] row = Bytes.toBytes("TEST");<a 
name="line.129"></a>
+<span class="sourceLineNo">130</span>    byte[][] cols = new byte[][]{<a 
name="line.130"></a>
+<span class="sourceLineNo">131</span>        Bytes.toBytes("0"), // Get this<a 
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+<span class="sourceLineNo">132</span>        Bytes.toBytes("1"), // Buffer<a 
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+<span class="sourceLineNo">133</span>        Bytes.toBytes("2"), // Buffer<a 
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+<span class="sourceLineNo">134</span>        Bytes.toBytes("3"), // Get This<a 
name="line.134"></a>
+<span class="sourceLineNo">135</span>        Bytes.toBytes("4"), // Buffer<a 
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+<span class="sourceLineNo">136</span>        Bytes.toBytes("5"), // Buffer<a 
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+<span class="sourceLineNo">138</span><a name="line.138"></a>
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result will be less than the MAX_SIE<a name="line.139"></a>
+<span class="sourceLineNo">140</span>    // however the block being reference 
will be larger than MAX_SIZE.<a name="line.140"></a>
+<span class="sourceLineNo">141</span>    // This should cause the regionserver 
to try and send a result immediately.<a name="line.141"></a>
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100];<a name="line.142"></a>
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ThreadLocalRandom.current().nextBytes(value);<a name="line.143"></a>
+<span class="sourceLineNo">144</span><a name="line.144"></a>
+<span class="sourceLineNo">145</span>    for (byte[] col:cols) {<a 
name="line.145"></a>
+<span class="sourceLineNo">146</span>      Put p = new Put(row);<a 
name="line.146"></a>
+<span class="sourceLineNo">147</span>      p.addImmutable(FAMILY, col, 
value);<a name="line.147"></a>
+<span class="sourceLineNo">148</span>      t.put(p);<a name="line.148"></a>
+<span class="sourceLineNo">149</span>    }<a name="line.149"></a>
+<span class="sourceLineNo">150</span><a name="line.150"></a>
+<span class="sourceLineNo">151</span>    // Make sure that a flush happens<a 
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+<span class="sourceLineNo">152</span>    try (final Admin admin = 
TEST_UTIL.getAdmin()) {<a name="line.152"></a>
+<span class="sourceLineNo">153</span>      admin.flush(name);<a 
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+<span class="sourceLineNo">154</span>      TEST_UTIL.waitFor(60000, new 
Waiter.Predicate&lt;Exception&gt;() {<a name="line.154"></a>
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Exception {<a name="line.156"></a>
+<span class="sourceLineNo">157</span>          return 
regionServer.getOnlineRegions(name).get(0).getMaxFlushedSeqId() &gt; 3;<a 
name="line.157"></a>
+<span class="sourceLineNo">158</span>        }<a name="line.158"></a>
+<span class="sourceLineNo">159</span>      });<a name="line.159"></a>
+<span class="sourceLineNo">160</span>    }<a name="line.160"></a>
+<span class="sourceLineNo">161</span><a name="line.161"></a>
+<span class="sourceLineNo">162</span>    List&lt;Get&gt; gets = new 
ArrayList&lt;&gt;(2);<a name="line.162"></a>
+<span class="sourceLineNo">163</span>    Get g0 = new Get(row);<a 
name="line.163"></a>
+<span class="sourceLineNo">164</span>    g0.addColumn(FAMILY, cols[0]);<a 
name="line.164"></a>
+<span class="sourceLineNo">165</span>    gets.add(g0);<a name="line.165"></a>
+<span class="sourceLineNo">166</span><a name="line.166"></a>
+<span class="sourceLineNo">167</span>    Get g2 = new Get(row);<a 
name="line.167"></a>
+<span class="sourceLineNo">168</span>    g2.addColumn(FAMILY, cols[3]);<a 
name="line.168"></a>
+<span class="sourceLineNo">169</span>    gets.add(g2);<a name="line.169"></a>
+<span class="sourceLineNo">170</span><a name="line.170"></a>
+<span class="sourceLineNo">171</span>    Result[] results = t.get(gets);<a 
name="line.171"></a>
+<span class="sourceLineNo">172</span>    assertEquals(2, results.length);<a 
name="line.172"></a>
+<span class="sourceLineNo">173</span>    
METRICS_ASSERT.assertCounterGt("exceptions", startingExceptions, s);<a 
name="line.173"></a>
+<span class="sourceLineNo">174</span>    
METRICS_ASSERT.assertCounterGt("exceptions.multiResponseTooLarge",<a 
name="line.174"></a>
+<span class="sourceLineNo">175</span>        startingMultiExceptions, s);<a 
name="line.175"></a>
+<span class="sourceLineNo">176</span>  }<a name="line.176"></a>
+<span class="sourceLineNo">177</span>}<a name="line.177"></a>
 
 
 

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