Examples with Result org.apache.hadoop.hbase.client.Result used on opensource projects

Example 66 with Result

use of org.apache.hadoop.hbase.client.Result in project hbase by apache.

the class TestDistributedLogSplitting method testSameVersionUpdatesRecoveryWithCompaction.

@Ignore("DLR is broken by HBASE-12751")
@Test(timeout = 300000)
public void testSameVersionUpdatesRecoveryWithCompaction() throws Exception {
    LOG.info("testSameVersionUpdatesRecoveryWithWrites");
    conf.setLong("hbase.regionserver.hlog.blocksize", 15 * 1024);
    conf.setBoolean(HConstants.DISTRIBUTED_LOG_REPLAY_KEY, true);
    conf.setInt(HConstants.HREGION_MEMSTORE_FLUSH_SIZE, 30 * 1024);
    conf.setInt("hbase.hstore.compactionThreshold", 3);
    startCluster(NUM_RS);
    final AtomicLong sequenceId = new AtomicLong(100);
    final int NUM_REGIONS_TO_CREATE = 40;
    final int NUM_LOG_LINES = 2000;
    // turn off load balancing to prevent regions from moving around otherwise
    // they will consume recovered.edits
    master.balanceSwitch(false);
    List<RegionServerThread> rsts = cluster.getLiveRegionServerThreads();
    final ZooKeeperWatcher zkw = new ZooKeeperWatcher(conf, "table-creation", null);
    Table ht = installTable(zkw, "table", "family", NUM_REGIONS_TO_CREATE);
    try {
        List<HRegionInfo> regions = null;
        HRegionServer hrs = null;
        for (int i = 0; i < NUM_RS; i++) {
            boolean isCarryingMeta = false;
            hrs = rsts.get(i).getRegionServer();
            regions = ProtobufUtil.getOnlineRegions(hrs.getRSRpcServices());
            for (HRegionInfo region : regions) {
                if (region.isMetaRegion()) {
                    isCarryingMeta = true;
                    break;
                }
            }
            if (isCarryingMeta) {
                continue;
            }
            break;
        }
        LOG.info("#regions = " + regions.size());
        Iterator<HRegionInfo> it = regions.iterator();
        while (it.hasNext()) {
            HRegionInfo region = it.next();
            if (region.isMetaTable() || region.getEncodedName().equals(HRegionInfo.FIRST_META_REGIONINFO.getEncodedName())) {
                it.remove();
            }
        }
        if (regions.isEmpty())
            return;
        HRegionInfo curRegionInfo = regions.get(0);
        byte[] startRow = curRegionInfo.getStartKey();
        if (startRow == null || startRow.length == 0) {
            startRow = new byte[] { 0, 0, 0, 0, 1 };
        }
        byte[] row = Bytes.incrementBytes(startRow, 1);
        // use last 5 bytes because HBaseTestingUtility.createMultiRegions use 5 bytes key
        row = Arrays.copyOfRange(row, 3, 8);
        long value = 0;
        final TableName tableName = TableName.valueOf(name.getMethodName());
        byte[] family = Bytes.toBytes("family");
        byte[] qualifier = Bytes.toBytes("c1");
        long timeStamp = System.currentTimeMillis();
        HTableDescriptor htd = new HTableDescriptor(tableName);
        htd.addFamily(new HColumnDescriptor(family));
        final WAL wal = hrs.getWAL(curRegionInfo);
        for (int i = 0; i < NUM_LOG_LINES; i += 1) {
            WALEdit e = new WALEdit();
            value++;
            e.add(new KeyValue(row, family, qualifier, timeStamp, Bytes.toBytes(value)));
            wal.append(curRegionInfo, new WALKey(curRegionInfo.getEncodedNameAsBytes(), tableName, System.currentTimeMillis()), e, true);
        }
        wal.sync();
        wal.shutdown();
        // wait for abort completes
        this.abortRSAndWaitForRecovery(hrs, zkw, NUM_REGIONS_TO_CREATE);
        // verify we got the last value
        LOG.info("Verification Starts...");
        Get g = new Get(row);
        Result r = ht.get(g);
        long theStoredVal = Bytes.toLong(r.getValue(family, qualifier));
        assertEquals(value, theStoredVal);
        // after flush & compaction
        LOG.info("Verification after flush...");
        TEST_UTIL.getAdmin().flush(tableName);
        TEST_UTIL.getAdmin().compact(tableName);
        // wait for compaction completes
        TEST_UTIL.waitFor(30000, 200, new Waiter.Predicate<Exception>() {

            @Override
            public boolean evaluate() throws Exception {
                return (TEST_UTIL.getAdmin().getCompactionState(tableName) == CompactionState.NONE);
            }
        });
        r = ht.get(g);
        theStoredVal = Bytes.toLong(r.getValue(family, qualifier));
        assertEquals(value, theStoredVal);
    } finally {
        if (ht != null)
            ht.close();
        if (zkw != null)
            zkw.close();
    }
}

Example 67 with Result

use of org.apache.hadoop.hbase.client.Result in project hbase by apache.

the class TestTableSnapshotInputFormat method verifyWithMockedMapReduce.

private void verifyWithMockedMapReduce(Job job, int numRegions, int expectedNumSplits, byte[] startRow, byte[] stopRow) throws IOException, InterruptedException {
    TableSnapshotInputFormat tsif = new TableSnapshotInputFormat();
    List<InputSplit> splits = tsif.getSplits(job);
    Assert.assertEquals(expectedNumSplits, splits.size());
    HBaseTestingUtility.SeenRowTracker rowTracker = new HBaseTestingUtility.SeenRowTracker(startRow, stopRow);
    for (int i = 0; i < splits.size(); i++) {
        // validate input split
        InputSplit split = splits.get(i);
        Assert.assertTrue(split instanceof TableSnapshotRegionSplit);
        // validate record reader
        TaskAttemptContext taskAttemptContext = mock(TaskAttemptContext.class);
        when(taskAttemptContext.getConfiguration()).thenReturn(job.getConfiguration());
        RecordReader<ImmutableBytesWritable, Result> rr = tsif.createRecordReader(split, taskAttemptContext);
        rr.initialize(split, taskAttemptContext);
        // validate we can read all the data back
        while (rr.nextKeyValue()) {
            byte[] row = rr.getCurrentKey().get();
            verifyRowFromMap(rr.getCurrentKey(), rr.getCurrentValue());
            rowTracker.addRow(row);
        }
        rr.close();
    }
    // validate all rows are seen
    rowTracker.validate();
}

Example 68 with Result

use of org.apache.hadoop.hbase.client.Result in project hbase by apache.

the class TestTimeRangeMapRed method verify.

private void verify(final Table table) throws IOException {
    Scan scan = new Scan();
    scan.addColumn(FAMILY_NAME, COLUMN_NAME);
    scan.setMaxVersions(1);
    ResultScanner scanner = table.getScanner(scan);
    for (Result r : scanner) {
        for (Cell kv : r.listCells()) {
            log.debug(Bytes.toString(r.getRow()) + "\t" + Bytes.toString(CellUtil.cloneFamily(kv)) + "\t" + Bytes.toString(CellUtil.cloneQualifier(kv)) + "\t" + kv.getTimestamp() + "\t" + Bytes.toBoolean(CellUtil.cloneValue(kv)));
            org.junit.Assert.assertEquals(TIMESTAMP.get(kv.getTimestamp()), Bytes.toBoolean(CellUtil.cloneValue(kv)));
        }
    }
    scanner.close();
}

Example 69 with Result

use of org.apache.hadoop.hbase.client.Result in project hbase by apache.

the class TestMasterNoCluster method testFailover.

/**
   * Test master failover.
   * Start up three fake regionservers and a master.
   * @throws IOException
   * @throws KeeperException
   * @throws InterruptedException
   * @throws org.apache.hadoop.hbase.shaded.com.google.protobuf.ServiceException 
   */
@Test
public void testFailover() throws Exception {
    final long now = System.currentTimeMillis();
    // Names for our three servers.  Make the port numbers match hostname.
    // Will come in use down in the server when we need to figure how to respond.
    final ServerName sn0 = ServerName.valueOf("0.example.org", 0, now);
    final ServerName sn1 = ServerName.valueOf("1.example.org", 1, now);
    final ServerName sn2 = ServerName.valueOf("2.example.org", 2, now);
    final ServerName[] sns = new ServerName[] { sn0, sn1, sn2 };
    // Put up the mock servers
    final Configuration conf = TESTUTIL.getConfiguration();
    final MockRegionServer rs0 = new MockRegionServer(conf, sn0);
    final MockRegionServer rs1 = new MockRegionServer(conf, sn1);
    final MockRegionServer rs2 = new MockRegionServer(conf, sn2);
    // Put some data into the servers.  Make it look like sn0 has the metaH
    // Put data into sn2 so it looks like it has a few regions for a table named 't'.
    MetaTableLocator.setMetaLocation(rs0.getZooKeeper(), rs0.getServerName(), RegionState.State.OPEN);
    final TableName tableName = TableName.valueOf(name.getMethodName());
    Result[] results = new Result[] { MetaMockingUtil.getMetaTableRowResult(new HRegionInfo(tableName, HConstants.EMPTY_START_ROW, HBaseTestingUtility.KEYS[1]), rs2.getServerName()), MetaMockingUtil.getMetaTableRowResult(new HRegionInfo(tableName, HBaseTestingUtility.KEYS[1], HBaseTestingUtility.KEYS[2]), rs2.getServerName()), MetaMockingUtil.getMetaTableRowResult(new HRegionInfo(tableName, HBaseTestingUtility.KEYS[2], HConstants.EMPTY_END_ROW), rs2.getServerName()) };
    rs1.setNextResults(HRegionInfo.FIRST_META_REGIONINFO.getRegionName(), results);
    // Create master.  Subclass to override a few methods so we can insert mocks
    // and get notification on transitions.  We need to fake out any rpcs the
    // master does opening/closing regions.  Also need to fake out the address
    // of the 'remote' mocked up regionservers.
    CoordinatedStateManager cp = CoordinatedStateManagerFactory.getCoordinatedStateManager(TESTUTIL.getConfiguration());
    // Insert a mock for the connection, use TESTUTIL.getConfiguration rather than
    // the conf from the master; the conf will already have an ClusterConnection
    // associate so the below mocking of a connection will fail.
    final ClusterConnection mockedConnection = HConnectionTestingUtility.getMockedConnectionAndDecorate(TESTUTIL.getConfiguration(), rs0, rs0, rs0.getServerName(), HRegionInfo.FIRST_META_REGIONINFO);
    HMaster master = new HMaster(conf, cp) {

        InetAddress getRemoteInetAddress(final int port, final long serverStartCode) throws UnknownHostException {
            // Return different address dependent on port passed.
            if (port > sns.length) {
                return super.getRemoteInetAddress(port, serverStartCode);
            }
            ServerName sn = sns[port];
            return InetAddress.getByAddress(sn.getHostname(), new byte[] { 10, 0, 0, (byte) sn.getPort() });
        }

        @Override
        void initClusterSchemaService() throws IOException, InterruptedException {
        }

        @Override
        ServerManager createServerManager(MasterServices master) throws IOException {
            ServerManager sm = super.createServerManager(master);
            // Spy on the created servermanager
            ServerManager spy = Mockito.spy(sm);
            // Fake a successful close.
            Mockito.doReturn(true).when(spy).sendRegionClose((ServerName) Mockito.any(), (HRegionInfo) Mockito.any(), (ServerName) Mockito.any());
            return spy;
        }

        @Override
        public ClusterConnection getConnection() {
            return mockedConnection;
        }

        @Override
        public ClusterConnection getClusterConnection() {
            return mockedConnection;
        }
    };
    master.start();
    try {
        // Wait till master is up ready for RPCs.
        while (!master.serviceStarted) Threads.sleep(10);
        // Fake master that there are regionservers out there.  Report in.
        for (int i = 0; i < sns.length; i++) {
            RegionServerReportRequest.Builder request = RegionServerReportRequest.newBuilder();
            ;
            ServerName sn = ServerName.parseVersionedServerName(sns[i].getVersionedBytes());
            request.setServer(ProtobufUtil.toServerName(sn));
            request.setLoad(ServerLoad.EMPTY_SERVERLOAD.obtainServerLoadPB());
            master.getMasterRpcServices().regionServerReport(null, request.build());
        }
        // Master should now come up.
        while (!master.isInitialized()) {
            Threads.sleep(100);
        }
        assertTrue(master.isInitialized());
    } finally {
        rs0.stop("Test is done");
        rs1.stop("Test is done");
        rs2.stop("Test is done");
        master.stopMaster();
        master.join();
    }
}

Example 70 with Result

use of org.apache.hadoop.hbase.client.Result in project hbase by apache.

the class TestWalAndCompactingMemStoreFlush method verifyEdit.

// A helper function to verify edits.
void verifyEdit(int familyNum, int putNum, Table table) throws IOException {
    Result r = table.get(createGet(familyNum, putNum));
    byte[] family = FAMILIES[familyNum - 1];
    byte[] qf = Bytes.toBytes("q" + familyNum);
    byte[] val = Bytes.toBytes("val" + familyNum + "-" + putNum);
    assertNotNull(("Missing Put#" + putNum + " for CF# " + familyNum), r.getFamilyMap(family));
    assertNotNull(("Missing Put#" + putNum + " for CF# " + familyNum), r.getFamilyMap(family).get(qf));
    assertTrue(("Incorrect value for Put#" + putNum + " for CF# " + familyNum), Arrays.equals(r.getFamilyMap(family).get(qf), val));
}