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17 package org.apache.hadoop.hbase.io.encoding;
18
19 import java.util.Arrays;
20 import java.util.Collection;
21
22 import org.apache.hadoop.hbase.HColumnDescriptor;
23 import org.apache.hadoop.hbase.MediumTests;
24 import org.apache.hadoop.hbase.client.HBaseAdmin;
25 import org.apache.hadoop.hbase.io.hfile.CacheConfig;
26 import org.apache.hadoop.hbase.io.hfile.Compression;
27 import org.apache.hadoop.hbase.regionserver.HRegionServer;
28 import org.apache.hadoop.hbase.util.TestMiniClusterLoadSequential;
29 import org.apache.hadoop.hbase.util.Threads;
30 import org.junit.Test;
31 import org.junit.experimental.categories.Category;
32 import org.junit.runners.Parameterized.Parameters;
33
34
35
36
37 @Category(MediumTests.class)
38 public class TestLoadAndSwitchEncodeOnDisk extends
39 TestMiniClusterLoadSequential {
40
41
42 private static final boolean USE_MULTI_PUT = true;
43
44
45 @Parameters
46 public static Collection<Object[]> parameters() {
47 return Arrays.asList(new Object[][]{ new Object[0] });
48 }
49
50 public TestLoadAndSwitchEncodeOnDisk() {
51 super(USE_MULTI_PUT, DataBlockEncoding.PREFIX);
52 conf.setBoolean(CacheConfig.CACHE_BLOCKS_ON_WRITE_KEY, true);
53 }
54
55 protected int numKeys() {
56 return 3000;
57 }
58
59 @Test(timeout=TIMEOUT_MS)
60 public void loadTest() throws Exception {
61 HBaseAdmin admin = new HBaseAdmin(conf);
62
63 compression = Compression.Algorithm.GZ;
64 super.loadTest();
65
66 HColumnDescriptor hcd = getColumnDesc(admin);
67 System.err.println("\nDisabling encode-on-disk. Old column descriptor: " +
68 hcd + "\n");
69 admin.disableTable(TABLE);
70 hcd.setEncodeOnDisk(false);
71 admin.modifyColumn(TABLE, hcd);
72
73 System.err.println("\nRe-enabling table\n");
74 admin.enableTable(TABLE);
75
76 System.err.println("\nNew column descriptor: " +
77 getColumnDesc(admin) + "\n");
78
79 System.err.println("\nCompacting the table\n");
80 admin.majorCompact(TABLE);
81
82 Threads.sleepWithoutInterrupt(5000);
83 HRegionServer rs = TEST_UTIL.getMiniHBaseCluster().getRegionServer(0);
84 while (rs.compactSplitThread.getCompactionQueueSize() > 0) {
85 Threads.sleep(50);
86 }
87
88 System.err.println("\nDone with the test, shutting down the cluster\n");
89 }
90
91 }