Examples with HTableDescriptor org.apache.hadoop.hbase.HTableDescriptor used on opensource projects

Example 26 with HTableDescriptor

use of org.apache.hadoop.hbase.HTableDescriptor in project hbase by apache.

the class TestAdmin1 method testSplitAndMergeWithReplicaTable.

@Test
public void testSplitAndMergeWithReplicaTable() throws Exception {
    // The test tries to directly split replica regions and directly merge replica regions. These
    // are not allowed. The test validates that. Then the test does a valid split/merge of allowed
    // regions.
    // Set up a table with 3 regions and replication set to 3
    final TableName tableName = TableName.valueOf(name.getMethodName());
    HTableDescriptor desc = new HTableDescriptor(tableName);
    desc.setRegionReplication(3);
    byte[] cf = "f".getBytes();
    HColumnDescriptor hcd = new HColumnDescriptor(cf);
    desc.addFamily(hcd);
    byte[][] splitRows = new byte[2][];
    splitRows[0] = new byte[] { (byte) '4' };
    splitRows[1] = new byte[] { (byte) '7' };
    TEST_UTIL.getAdmin().createTable(desc, splitRows);
    List<HRegion> oldRegions;
    do {
        oldRegions = TEST_UTIL.getHBaseCluster().getRegions(tableName);
        Thread.sleep(10);
    } while (//3 regions * 3 replicas
    oldRegions.size() != 9);
    // write some data to the table
    Table ht = TEST_UTIL.getConnection().getTable(tableName);
    List<Put> puts = new ArrayList<>();
    byte[] qualifier = "c".getBytes();
    Put put = new Put(new byte[] { (byte) '1' });
    put.addColumn(cf, qualifier, "100".getBytes());
    puts.add(put);
    put = new Put(new byte[] { (byte) '6' });
    put.addColumn(cf, qualifier, "100".getBytes());
    puts.add(put);
    put = new Put(new byte[] { (byte) '8' });
    put.addColumn(cf, qualifier, "100".getBytes());
    puts.add(put);
    ht.put(puts);
    ht.close();
    List<Pair<HRegionInfo, ServerName>> regions = MetaTableAccessor.getTableRegionsAndLocations(TEST_UTIL.getConnection(), tableName);
    boolean gotException = false;
    // regions). Try splitting that region via the split API . Should fail
    try {
        TEST_UTIL.getAdmin().splitRegion(regions.get(1).getFirst().getRegionName());
    } catch (IllegalArgumentException ex) {
        gotException = true;
    }
    assertTrue(gotException);
    gotException = false;
    // this API goes direct to the regionserver skipping any checks in the admin). Should fail
    try {
        TEST_UTIL.getHBaseAdmin().split(regions.get(1).getSecond(), regions.get(1).getFirst(), new byte[] { (byte) '1' });
    } catch (IOException ex) {
        gotException = true;
    }
    assertTrue(gotException);
    gotException = false;
    // Try merging a replica with another. Should fail.
    try {
        TEST_UTIL.getHBaseAdmin().mergeRegionsSync(regions.get(1).getFirst().getEncodedNameAsBytes(), regions.get(2).getFirst().getEncodedNameAsBytes(), true);
    } catch (IllegalArgumentException m) {
        gotException = true;
    }
    assertTrue(gotException);
    // Try going to the master directly (that will skip the check in admin)
    try {
        byte[][] nameofRegionsToMerge = new byte[2][];
        nameofRegionsToMerge[0] = regions.get(1).getFirst().getEncodedNameAsBytes();
        nameofRegionsToMerge[1] = regions.get(2).getFirst().getEncodedNameAsBytes();
        MergeTableRegionsRequest request = RequestConverter.buildMergeTableRegionsRequest(nameofRegionsToMerge, true, HConstants.NO_NONCE, HConstants.NO_NONCE);
        ((ClusterConnection) TEST_UTIL.getAdmin().getConnection()).getMaster().mergeTableRegions(null, request);
    } catch (org.apache.hadoop.hbase.shaded.com.google.protobuf.ServiceException m) {
        Throwable t = m.getCause();
        do {
            if (t instanceof MergeRegionException) {
                gotException = true;
                break;
            }
            t = t.getCause();
        } while (t != null);
    }
    assertTrue(gotException);
}

Example 27 with HTableDescriptor

use of org.apache.hadoop.hbase.HTableDescriptor in project hbase by apache.

the class TestAdmin1 method testHFileReplication.

/*
   * Test DFS replication for column families, where one CF has default replication(3) and the other
   * is set to 1.
   */
@Test(timeout = 300000)
public void testHFileReplication() throws Exception {
    final TableName tableName = TableName.valueOf(this.name.getMethodName());
    String fn1 = "rep1";
    HColumnDescriptor hcd1 = new HColumnDescriptor(fn1);
    hcd1.setDFSReplication((short) 1);
    String fn = "defaultRep";
    HColumnDescriptor hcd = new HColumnDescriptor(fn);
    HTableDescriptor htd = new HTableDescriptor(tableName);
    htd.addFamily(hcd);
    htd.addFamily(hcd1);
    Table table = TEST_UTIL.createTable(htd, null);
    TEST_UTIL.waitTableAvailable(tableName);
    Put p = new Put(Bytes.toBytes("defaultRep_rk"));
    byte[] q1 = Bytes.toBytes("q1");
    byte[] v1 = Bytes.toBytes("v1");
    p.addColumn(Bytes.toBytes(fn), q1, v1);
    List<Put> puts = new ArrayList<>(2);
    puts.add(p);
    p = new Put(Bytes.toBytes("rep1_rk"));
    p.addColumn(Bytes.toBytes(fn1), q1, v1);
    puts.add(p);
    try {
        table.put(puts);
        admin.flush(tableName);
        List<HRegion> regions = TEST_UTIL.getMiniHBaseCluster().getRegions(tableName);
        for (HRegion r : regions) {
            Store store = r.getStore(Bytes.toBytes(fn));
            for (StoreFile sf : store.getStorefiles()) {
                assertTrue(sf.toString().contains(fn));
                assertTrue("Column family " + fn + " should have 3 copies", FSUtils.getDefaultReplication(TEST_UTIL.getTestFileSystem(), sf.getPath()) == (sf.getFileInfo().getFileStatus().getReplication()));
            }
            store = r.getStore(Bytes.toBytes(fn1));
            for (StoreFile sf : store.getStorefiles()) {
                assertTrue(sf.toString().contains(fn1));
                assertTrue("Column family " + fn1 + " should have only 1 copy", 1 == sf.getFileInfo().getFileStatus().getReplication());
            }
        }
    } finally {
        if (admin.isTableEnabled(tableName)) {
            this.admin.disableTable(tableName);
            this.admin.deleteTable(tableName);
        }
    }
}

Example 28 with HTableDescriptor

use of org.apache.hadoop.hbase.HTableDescriptor in project hbase by apache.

the class TestAdmin1 method testTableAvailableWithRandomSplitKeys.

@Test(timeout = 300000)
public void testTableAvailableWithRandomSplitKeys() throws Exception {
    final TableName tableName = TableName.valueOf(name.getMethodName());
    HTableDescriptor desc = new HTableDescriptor(tableName);
    desc.addFamily(new HColumnDescriptor("col"));
    byte[][] splitKeys = new byte[1][];
    splitKeys = new byte[][] { new byte[] { 1, 1, 1 }, new byte[] { 2, 2, 2 } };
    admin.createTable(desc);
    boolean tableAvailable = admin.isTableAvailable(tableName, splitKeys);
    assertFalse("Table should be created with 1 row in META", tableAvailable);
}

Example 29 with HTableDescriptor

use of org.apache.hadoop.hbase.HTableDescriptor in project hbase by apache.

the class TestAdmin1 method testOnlineChangeTableSchema.

/**
   * Verify schema modification takes.
   * @throws IOException
   * @throws InterruptedException
   */
@Test(timeout = 300000)
public void testOnlineChangeTableSchema() throws IOException, InterruptedException {
    final TableName tableName = TableName.valueOf(name.getMethodName());
    HTableDescriptor[] tables = admin.listTables();
    int numTables = tables.length;
    TEST_UTIL.createTable(tableName, HConstants.CATALOG_FAMILY).close();
    tables = this.admin.listTables();
    assertEquals(numTables + 1, tables.length);
    // FIRST, do htabledescriptor changes.
    HTableDescriptor htd = this.admin.getTableDescriptor(tableName);
    // Make a copy and assert copy is good.
    HTableDescriptor copy = new HTableDescriptor(htd);
    assertTrue(htd.equals(copy));
    // Now amend the copy. Introduce differences.
    long newFlushSize = htd.getMemStoreFlushSize() / 2;
    if (newFlushSize <= 0) {
        newFlushSize = HTableDescriptor.DEFAULT_MEMSTORE_FLUSH_SIZE / 2;
    }
    copy.setMemStoreFlushSize(newFlushSize);
    final String key = "anyoldkey";
    assertTrue(htd.getValue(key) == null);
    copy.setValue(key, key);
    boolean expectedException = false;
    try {
        admin.modifyTable(tableName, copy);
    } catch (TableNotDisabledException re) {
        expectedException = true;
    }
    assertFalse(expectedException);
    HTableDescriptor modifiedHtd = this.admin.getTableDescriptor(tableName);
    assertFalse(htd.equals(modifiedHtd));
    assertTrue(copy.equals(modifiedHtd));
    assertEquals(newFlushSize, modifiedHtd.getMemStoreFlushSize());
    assertEquals(key, modifiedHtd.getValue(key));
    // Now work on column family changes.
    int countOfFamilies = modifiedHtd.getFamilies().size();
    assertTrue(countOfFamilies > 0);
    HColumnDescriptor hcd = modifiedHtd.getFamilies().iterator().next();
    int maxversions = hcd.getMaxVersions();
    final int newMaxVersions = maxversions + 1;
    hcd.setMaxVersions(newMaxVersions);
    final byte[] hcdName = hcd.getName();
    expectedException = false;
    try {
        this.admin.modifyColumnFamily(tableName, hcd);
    } catch (TableNotDisabledException re) {
        expectedException = true;
    }
    assertFalse(expectedException);
    modifiedHtd = this.admin.getTableDescriptor(tableName);
    HColumnDescriptor modifiedHcd = modifiedHtd.getFamily(hcdName);
    assertEquals(newMaxVersions, modifiedHcd.getMaxVersions());
    // Try adding a column
    assertFalse(this.admin.isTableDisabled(tableName));
    final String xtracolName = "xtracol";
    HColumnDescriptor xtracol = new HColumnDescriptor(xtracolName);
    xtracol.setValue(xtracolName, xtracolName);
    expectedException = false;
    try {
        this.admin.addColumnFamily(tableName, xtracol);
    } catch (TableNotDisabledException re) {
        expectedException = true;
    }
    // Add column should work even if the table is enabled
    assertFalse(expectedException);
    modifiedHtd = this.admin.getTableDescriptor(tableName);
    hcd = modifiedHtd.getFamily(xtracol.getName());
    assertTrue(hcd != null);
    assertTrue(hcd.getValue(xtracolName).equals(xtracolName));
    // Delete the just-added column.
    this.admin.deleteColumnFamily(tableName, xtracol.getName());
    modifiedHtd = this.admin.getTableDescriptor(tableName);
    hcd = modifiedHtd.getFamily(xtracol.getName());
    assertTrue(hcd == null);
    // Delete the table
    this.admin.disableTable(tableName);
    this.admin.deleteTable(tableName);
    this.admin.listTables();
    assertFalse(this.admin.tableExists(tableName));
}

Example 30 with HTableDescriptor

use of org.apache.hadoop.hbase.HTableDescriptor in project hbase by apache.

the class TestAdmin1 method testEnableTableRetainAssignment.

/**
   * Test retain assignment on enableTable.
   *
   * @throws IOException
   */
@Test(timeout = 300000)
public void testEnableTableRetainAssignment() throws IOException {
    final TableName tableName = TableName.valueOf(name.getMethodName());
    byte[][] splitKeys = { new byte[] { 1, 1, 1 }, new byte[] { 2, 2, 2 }, new byte[] { 3, 3, 3 }, new byte[] { 4, 4, 4 }, new byte[] { 5, 5, 5 }, new byte[] { 6, 6, 6 }, new byte[] { 7, 7, 7 }, new byte[] { 8, 8, 8 }, new byte[] { 9, 9, 9 } };
    int expectedRegions = splitKeys.length + 1;
    HTableDescriptor desc = new HTableDescriptor(tableName);
    desc.addFamily(new HColumnDescriptor(HConstants.CATALOG_FAMILY));
    admin.createTable(desc, splitKeys);
    try (RegionLocator l = TEST_UTIL.getConnection().getRegionLocator(tableName)) {
        List<HRegionLocation> regions = l.getAllRegionLocations();
        assertEquals("Tried to create " + expectedRegions + " regions " + "but only found " + regions.size(), expectedRegions, regions.size());
        // Disable table.
        admin.disableTable(tableName);
        // Enable table, use retain assignment to assign regions.
        admin.enableTable(tableName);
        List<HRegionLocation> regions2 = l.getAllRegionLocations();
        // Check the assignment.
        assertEquals(regions.size(), regions2.size());
        assertTrue(regions2.containsAll(regions));
    }
}