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21 package org.apache.hadoop.hbase;
22
23 import static org.junit.Assert.assertEquals;
24
25 import org.apache.hadoop.conf.Configuration;
26 import org.apache.hadoop.hbase.client.HTable;
27 import org.apache.hadoop.hbase.client.Result;
28 import org.apache.hadoop.hbase.client.ResultScanner;
29 import org.apache.hadoop.hbase.client.Scan;
30 import org.apache.hadoop.hbase.util.Bytes;
31 import org.junit.After;
32 import org.junit.AfterClass;
33 import org.junit.Before;
34 import org.junit.BeforeClass;
35 import org.junit.Test;
36
37 public class TestFullLogReconstruction {
38
39 private final static HBaseTestingUtility
40 TEST_UTIL = new HBaseTestingUtility();
41
42 private final static byte[] TABLE_NAME = Bytes.toBytes("tabletest");
43 private final static byte[] FAMILY = Bytes.toBytes("family");
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45
46
47
48 @BeforeClass
49 public static void setUpBeforeClass() throws Exception {
50 Configuration c = TEST_UTIL.getConfiguration();
51 c.setBoolean("dfs.support.append", true);
52
53 c.setInt("heartbeat.recheck.interval", 5000);
54 c.setInt("dfs.heartbeat.interval", 1);
55 c.setInt("dfs.socket.timeout", 5000);
56
57 c.setInt("ipc.client.connect.max.retries", 1);
58 c.setInt("dfs.client.block.recovery.retries", 1);
59 TEST_UTIL.startMiniCluster(2);
60 }
61
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64
65 @AfterClass
66 public static void tearDownAfterClass() throws Exception {
67 TEST_UTIL.shutdownMiniCluster();
68 }
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70
71
72
73 @Before
74 public void setUp() throws Exception {
75 }
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80 @After
81 public void tearDown() throws Exception {
82 }
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91 @Test
92 public void testReconstruction() throws Exception {
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94 HTable table = TEST_UTIL.createTable(TABLE_NAME, FAMILY);
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96 TEST_UTIL.createMultiRegions(table, Bytes.toBytes("family"));
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99 int initialCount = TEST_UTIL.loadTable(table, FAMILY);
100 Scan scan = new Scan();
101 ResultScanner results = table.getScanner(scan);
102 int count = 0;
103 for (Result res : results) {
104 count++;
105 }
106 results.close();
107
108 assertEquals(initialCount, count);
109
110 for(int i = 0; i < 4; i++) {
111 TEST_UTIL.loadTable(table, FAMILY);
112 }
113
114 TEST_UTIL.expireRegionServerSession(0);
115 scan = new Scan();
116 results = table.getScanner(scan);
117 int newCount = 0;
118 for (Result res : results) {
119 newCount++;
120 }
121 assertEquals(count, newCount);
122 }
123 }