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

Example 81 with HRegionInfo

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

the class TestHRegionInfo method testPb.

@Test
public void testPb() throws DeserializationException {
    HRegionInfo hri = HRegionInfo.FIRST_META_REGIONINFO;
    byte[] bytes = hri.toByteArray();
    HRegionInfo pbhri = HRegionInfo.parseFrom(bytes);
    assertTrue(hri.equals(pbhri));
}

Example 82 with HRegionInfo

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

the class TestHRegionInfo method testConvert.

@Test
public void testConvert() {
    final TableName tableName = TableName.valueOf("ns1:" + name.getMethodName());
    byte[] startKey = Bytes.toBytes("startKey");
    byte[] endKey = Bytes.toBytes("endKey");
    boolean split = false;
    long regionId = System.currentTimeMillis();
    int replicaId = 42;
    HRegionInfo hri = new HRegionInfo(tableName, startKey, endKey, split, regionId, replicaId);
    // convert two times, compare
    HRegionInfo convertedHri = HRegionInfo.convert(HRegionInfo.convert(hri));
    assertEquals(hri, convertedHri);
    // test convert RegionInfo without replicaId
    RegionInfo info = RegionInfo.newBuilder().setTableName(HBaseProtos.TableName.newBuilder().setQualifier(UnsafeByteOperations.unsafeWrap(tableName.getQualifier())).setNamespace(UnsafeByteOperations.unsafeWrap(tableName.getNamespace())).build()).setStartKey(UnsafeByteOperations.unsafeWrap(startKey)).setEndKey(UnsafeByteOperations.unsafeWrap(endKey)).setSplit(split).setRegionId(regionId).build();
    convertedHri = HRegionInfo.convert(info);
    HRegionInfo expectedHri = new HRegionInfo(tableName, startKey, endKey, split, regionId, // expecting default replicaId
    0);
    assertEquals(expectedHri, convertedHri);
}

Example 83 with HRegionInfo

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

the class TestRegionReplicaReplicationEndpointNoMaster method beforeClass.

@BeforeClass
public static void beforeClass() throws Exception {
    Configuration conf = HTU.getConfiguration();
    conf.setBoolean(ServerRegionReplicaUtil.REGION_REPLICA_REPLICATION_CONF_KEY, true);
    conf.setBoolean(ServerRegionReplicaUtil.REGION_REPLICA_WAIT_FOR_PRIMARY_FLUSH_CONF_KEY, false);
    // install WALObserver coprocessor for tests
    String walCoprocs = HTU.getConfiguration().get(CoprocessorHost.WAL_COPROCESSOR_CONF_KEY);
    if (walCoprocs == null) {
        walCoprocs = WALEditCopro.class.getName();
    } else {
        walCoprocs += "," + WALEditCopro.class.getName();
    }
    HTU.getConfiguration().set(CoprocessorHost.WAL_COPROCESSOR_CONF_KEY, walCoprocs);
    HTU.startMiniCluster(NB_SERVERS);
    // Create table then get the single region for our new table.
    HTableDescriptor htd = HTU.createTableDescriptor(tableName.getNameAsString());
    table = HTU.createTable(htd, new byte[][] { f }, null);
    try (RegionLocator locator = HTU.getConnection().getRegionLocator(tableName)) {
        hriPrimary = locator.getRegionLocation(row, false).getRegionInfo();
    }
    // mock a secondary region info to open
    hriSecondary = new HRegionInfo(hriPrimary.getTable(), hriPrimary.getStartKey(), hriPrimary.getEndKey(), hriPrimary.isSplit(), hriPrimary.getRegionId(), 1);
    // No master
    TestRegionServerNoMaster.stopMasterAndAssignMeta(HTU);
    rs0 = HTU.getMiniHBaseCluster().getRegionServer(0);
    rs1 = HTU.getMiniHBaseCluster().getRegionServer(1);
}

Example 84 with HRegionInfo

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

the class OfflineMetaRebuildTestCore method deleteRegion.

protected void deleteRegion(Configuration conf, final Table tbl, byte[] startKey, byte[] endKey) throws IOException {
    LOG.info("Before delete:");
    HTableDescriptor htd = tbl.getTableDescriptor();
    dumpMeta(htd);
    List<HRegionLocation> regions;
    try (RegionLocator rl = connection.getRegionLocator(tbl.getName())) {
        regions = rl.getAllRegionLocations();
    }
    for (HRegionLocation e : regions) {
        HRegionInfo hri = e.getRegionInfo();
        ServerName hsa = e.getServerName();
        if (Bytes.compareTo(hri.getStartKey(), startKey) == 0 && Bytes.compareTo(hri.getEndKey(), endKey) == 0) {
            LOG.info("RegionName: " + hri.getRegionNameAsString());
            byte[] deleteRow = hri.getRegionName();
            TEST_UTIL.getAdmin().unassign(deleteRow, true);
            LOG.info("deleting hdfs data: " + hri.toString() + hsa.toString());
            Path rootDir = FSUtils.getRootDir(conf);
            FileSystem fs = rootDir.getFileSystem(conf);
            Path p = new Path(FSUtils.getTableDir(rootDir, htd.getTableName()), hri.getEncodedName());
            fs.delete(p, true);
            try (Table meta = this.connection.getTable(TableName.META_TABLE_NAME)) {
                Delete delete = new Delete(deleteRow);
                meta.delete(delete);
            }
        }
        LOG.info(hri.toString() + hsa.toString());
    }
    TEST_UTIL.getMetaTableRows(htd.getTableName());
    LOG.info("After delete:");
    dumpMeta(htd);
}

Example 85 with HRegionInfo

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

the class OfflineMetaRebuildTestCore method createRegion.

protected HRegionInfo createRegion(Configuration conf, final Table htbl, byte[] startKey, byte[] endKey) throws IOException {
    Table meta = TEST_UTIL.getConnection().getTable(TableName.META_TABLE_NAME);
    HTableDescriptor htd = htbl.getTableDescriptor();
    HRegionInfo hri = new HRegionInfo(htbl.getName(), startKey, endKey);
    LOG.info("manually adding regioninfo and hdfs data: " + hri.toString());
    Path rootDir = FSUtils.getRootDir(conf);
    FileSystem fs = rootDir.getFileSystem(conf);
    Path p = new Path(FSUtils.getTableDir(rootDir, htbl.getName()), hri.getEncodedName());
    fs.mkdirs(p);
    Path riPath = new Path(p, HRegionFileSystem.REGION_INFO_FILE);
    FSDataOutputStream out = fs.create(riPath);
    out.write(hri.toDelimitedByteArray());
    out.close();
    // add to meta.
    MetaTableAccessor.addRegionToMeta(meta, hri);
    meta.close();
    return hri;
}