Examples with StorageReceivedDeletedBlocks org.apache.hadoop.hdfs.server.protocol.StorageReceivedDeletedBlocks used on opensource projects

Example 1 with StorageReceivedDeletedBlocks

use of org.apache.hadoop.hdfs.server.protocol.StorageReceivedDeletedBlocks in project hadoop by apache.

the class NameNodeRpcServer method blockReceivedAndDeleted.

// DatanodeProtocol
@Override
public void blockReceivedAndDeleted(final DatanodeRegistration nodeReg, String poolId, StorageReceivedDeletedBlocks[] receivedAndDeletedBlocks) throws IOException {
    checkNNStartup();
    verifyRequest(nodeReg);
    metrics.incrBlockReceivedAndDeletedOps();
    if (blockStateChangeLog.isDebugEnabled()) {
        blockStateChangeLog.debug("*BLOCK* NameNode.blockReceivedAndDeleted: " + "from " + nodeReg + " " + receivedAndDeletedBlocks.length + " blocks.");
    }
    final BlockManager bm = namesystem.getBlockManager();
    for (final StorageReceivedDeletedBlocks r : receivedAndDeletedBlocks) {
        bm.enqueueBlockOp(new Runnable() {

            @Override
            public void run() {
                try {
                    namesystem.processIncrementalBlockReport(nodeReg, r);
                } catch (Exception ex) {
                    // usually because the node is unregistered/dead.  next heartbeat
                    // will correct the problem
                    blockStateChangeLog.error("*BLOCK* NameNode.blockReceivedAndDeleted: " + "failed from " + nodeReg + ": " + ex.getMessage());
                }
            }
        });
    }
}

Example 2 with StorageReceivedDeletedBlocks

use of org.apache.hadoop.hdfs.server.protocol.StorageReceivedDeletedBlocks in project hadoop by apache.

the class TestReplication method testNoExtraReplicationWhenBlockReceivedIsLate.

/**
   * This test makes sure that, when a file is closed before all
   * of the datanodes in the pipeline have reported their replicas,
   * the NameNode doesn't consider the block under-replicated too
   * aggressively. It is a regression test for HDFS-1172.
   */
@Test(timeout = 60000)
public void testNoExtraReplicationWhenBlockReceivedIsLate() throws Exception {
    LOG.info("Test block replication when blockReceived is late");
    final short numDataNodes = 3;
    final short replication = 3;
    final Configuration conf = new Configuration();
    conf.setInt(DFSConfigKeys.DFS_BLOCK_SIZE_KEY, 1024);
    final MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).numDataNodes(numDataNodes).build();
    final String testFile = "/replication-test-file";
    final Path testPath = new Path(testFile);
    final BlockManager bm = cluster.getNameNode().getNamesystem().getBlockManager();
    try {
        cluster.waitActive();
        // Artificially delay IBR from 1 DataNode.
        // this ensures that the client's completeFile() RPC will get to the
        // NN before some of the replicas are reported.
        NameNode nn = cluster.getNameNode();
        DataNode dn = cluster.getDataNodes().get(0);
        DatanodeProtocolClientSideTranslatorPB spy = InternalDataNodeTestUtils.spyOnBposToNN(dn, nn);
        DelayAnswer delayer = new GenericTestUtils.DelayAnswer(LOG);
        Mockito.doAnswer(delayer).when(spy).blockReceivedAndDeleted(Mockito.<DatanodeRegistration>anyObject(), Mockito.anyString(), Mockito.<StorageReceivedDeletedBlocks[]>anyObject());
        FileSystem fs = cluster.getFileSystem();
        // Create and close a small file with two blocks
        DFSTestUtil.createFile(fs, testPath, 1500, replication, 0);
        // schedule replication via BlockManager#computeReplicationWork
        BlockManagerTestUtil.computeAllPendingWork(bm);
        // Initially, should have some pending replication since the close()
        // is earlier than at lease one of the reportReceivedDeletedBlocks calls
        assertTrue(pendingReplicationCount(bm) > 0);
        // release pending IBR.
        delayer.waitForCall();
        delayer.proceed();
        delayer.waitForResult();
        // make sure DataNodes do replication work if exists
        for (DataNode d : cluster.getDataNodes()) {
            DataNodeTestUtils.triggerHeartbeat(d);
        }
        // Wait until there is nothing pending
        try {
            GenericTestUtils.waitFor(new Supplier<Boolean>() {

                @Override
                public Boolean get() {
                    return pendingReplicationCount(bm) == 0;
                }
            }, 100, 3000);
        } catch (TimeoutException e) {
            fail("timed out while waiting for no pending replication.");
        }
        // Check that none of the datanodes have serviced a replication request.
        // i.e. that the NameNode didn't schedule any spurious replication.
        assertNoReplicationWasPerformed(cluster);
    } finally {
        if (cluster != null) {
            cluster.shutdown();
        }
    }
}

Example 3 with StorageReceivedDeletedBlocks

use of org.apache.hadoop.hdfs.server.protocol.StorageReceivedDeletedBlocks in project hadoop by apache.

the class DFSTestUtil method makeReportForReceivedBlock.

public static StorageReceivedDeletedBlocks[] makeReportForReceivedBlock(Block block, BlockStatus blockStatus, DatanodeStorage storage) {
    ReceivedDeletedBlockInfo[] receivedBlocks = new ReceivedDeletedBlockInfo[1];
    receivedBlocks[0] = new ReceivedDeletedBlockInfo(block, blockStatus, null);
    StorageReceivedDeletedBlocks[] reports = new StorageReceivedDeletedBlocks[1];
    reports[0] = new StorageReceivedDeletedBlocks(storage, receivedBlocks);
    return reports;
}

Example 4 with StorageReceivedDeletedBlocks

use of org.apache.hadoop.hdfs.server.protocol.StorageReceivedDeletedBlocks in project hadoop by apache.

the class DFSTestUtil method addBlockToFile.

/**
   * Adds a block or a striped block group to a file.
   * This method only manipulates NameNode
   * states of the file and the block without injecting data to DataNode.
   * It does mimic block reports.
   * You should disable periodical heartbeat before use this.
   * @param isStripedBlock a boolean tell if the block added a striped block
   * @param dataNodes List DataNodes to host the striped block group
   * @param previous Previous block in the file
   * @param numStripes Number of stripes in each block group
   * @param len block size for a non striped block added
   * @return The added block or block group
   */
public static Block addBlockToFile(boolean isStripedBlock, List<DataNode> dataNodes, DistributedFileSystem fs, FSNamesystem ns, String file, INodeFile fileNode, String clientName, ExtendedBlock previous, int numStripes, int len) throws Exception {
    fs.getClient().namenode.addBlock(file, clientName, previous, null, fileNode.getId(), null, null);
    final BlockInfo lastBlock = fileNode.getLastBlock();
    final int groupSize = fileNode.getPreferredBlockReplication();
    assert dataNodes.size() >= groupSize;
    // 1. RECEIVING_BLOCK IBR
    for (int i = 0; i < groupSize; i++) {
        DataNode dn = dataNodes.get(i);
        final Block block = new Block(lastBlock.getBlockId() + i, 0, lastBlock.getGenerationStamp());
        DatanodeStorage storage = new DatanodeStorage(UUID.randomUUID().toString());
        StorageReceivedDeletedBlocks[] reports = DFSTestUtil.makeReportForReceivedBlock(block, ReceivedDeletedBlockInfo.BlockStatus.RECEIVING_BLOCK, storage);
        for (StorageReceivedDeletedBlocks report : reports) {
            ns.processIncrementalBlockReport(dn.getDatanodeId(), report);
        }
    }
    final ErasureCodingPolicy ecPolicy = fs.getErasureCodingPolicy(new Path(file));
    // 2. RECEIVED_BLOCK IBR
    long blockSize = isStripedBlock ? numStripes * ecPolicy.getCellSize() : len;
    for (int i = 0; i < groupSize; i++) {
        DataNode dn = dataNodes.get(i);
        final Block block = new Block(lastBlock.getBlockId() + i, blockSize, lastBlock.getGenerationStamp());
        DatanodeStorage storage = new DatanodeStorage(UUID.randomUUID().toString());
        StorageReceivedDeletedBlocks[] reports = DFSTestUtil.makeReportForReceivedBlock(block, ReceivedDeletedBlockInfo.BlockStatus.RECEIVED_BLOCK, storage);
        for (StorageReceivedDeletedBlocks report : reports) {
            ns.processIncrementalBlockReport(dn.getDatanodeId(), report);
        }
    }
    long bytes = isStripedBlock ? numStripes * ecPolicy.getCellSize() * ecPolicy.getNumDataUnits() : len;
    lastBlock.setNumBytes(bytes);
    return lastBlock;
}

Example 5 with StorageReceivedDeletedBlocks

use of org.apache.hadoop.hdfs.server.protocol.StorageReceivedDeletedBlocks in project hadoop by apache.

the class TestBlockManager method testSafeModeIBRBeforeFirstFullBR.

/**
   * test when NN starts and in same mode, it receives an incremental blockReport
   * firstly. Then receives first full block report.
   */
@Test
public void testSafeModeIBRBeforeFirstFullBR() throws Exception {
    // pretend to be in safemode
    doReturn(true).when(fsn).isInStartupSafeMode();
    DatanodeDescriptor node = nodes.get(0);
    DatanodeStorageInfo ds = node.getStorageInfos()[0];
    node.setAlive(true);
    DatanodeRegistration nodeReg = new DatanodeRegistration(node, null, null, "");
    // register new node
    bm.getDatanodeManager().registerDatanode(nodeReg);
    bm.getDatanodeManager().addDatanode(node);
    assertEquals(node, bm.getDatanodeManager().getDatanode(node));
    assertEquals(0, ds.getBlockReportCount());
    // Build a incremental report
    List<ReceivedDeletedBlockInfo> rdbiList = new ArrayList<>();
    // Build a full report
    BlockListAsLongs.Builder builder = BlockListAsLongs.builder();
    // blk_42 is finalized.
    // arbitrary
    long receivedBlockId = 42;
    BlockInfo receivedBlock = addBlockToBM(receivedBlockId);
    rdbiList.add(new ReceivedDeletedBlockInfo(new Block(receivedBlock), ReceivedDeletedBlockInfo.BlockStatus.RECEIVED_BLOCK, null));
    builder.add(new FinalizedReplica(receivedBlock, null, null));
    // blk_43 is under construction.
    long receivingBlockId = 43;
    BlockInfo receivingBlock = addUcBlockToBM(receivingBlockId);
    rdbiList.add(new ReceivedDeletedBlockInfo(new Block(receivingBlock), ReceivedDeletedBlockInfo.BlockStatus.RECEIVING_BLOCK, null));
    builder.add(new ReplicaBeingWritten(receivingBlock, null, null, null));
    // blk_44 has 2 records in IBR. It's finalized. So full BR has 1 record.
    long receivingReceivedBlockId = 44;
    BlockInfo receivingReceivedBlock = addBlockToBM(receivingReceivedBlockId);
    rdbiList.add(new ReceivedDeletedBlockInfo(new Block(receivingReceivedBlock), ReceivedDeletedBlockInfo.BlockStatus.RECEIVING_BLOCK, null));
    rdbiList.add(new ReceivedDeletedBlockInfo(new Block(receivingReceivedBlock), ReceivedDeletedBlockInfo.BlockStatus.RECEIVED_BLOCK, null));
    builder.add(new FinalizedReplica(receivingReceivedBlock, null, null));
    // blk_45 is not in full BR, because it's deleted.
    long ReceivedDeletedBlockId = 45;
    rdbiList.add(new ReceivedDeletedBlockInfo(new Block(ReceivedDeletedBlockId), ReceivedDeletedBlockInfo.BlockStatus.RECEIVED_BLOCK, null));
    rdbiList.add(new ReceivedDeletedBlockInfo(new Block(ReceivedDeletedBlockId), ReceivedDeletedBlockInfo.BlockStatus.DELETED_BLOCK, null));
    // blk_46 exists in DN for a long time, so it's in full BR, but not in IBR.
    long existedBlockId = 46;
    BlockInfo existedBlock = addBlockToBM(existedBlockId);
    builder.add(new FinalizedReplica(existedBlock, null, null));
    // process IBR and full BR
    StorageReceivedDeletedBlocks srdb = new StorageReceivedDeletedBlocks(new DatanodeStorage(ds.getStorageID()), rdbiList.toArray(new ReceivedDeletedBlockInfo[rdbiList.size()]));
    bm.processIncrementalBlockReport(node, srdb);
    // Make sure it's the first full report
    assertEquals(0, ds.getBlockReportCount());
    bm.processReport(node, new DatanodeStorage(ds.getStorageID()), builder.build(), new BlockReportContext(1, 0, System.nanoTime(), 0, true));
    assertEquals(1, ds.getBlockReportCount());
    // verify the storage info is correct
    assertTrue(bm.getStoredBlock(new Block(receivedBlockId)).findStorageInfo(ds) >= 0);
    assertTrue(bm.getStoredBlock(new Block(receivingBlockId)).getUnderConstructionFeature().getNumExpectedLocations() > 0);
    assertTrue(bm.getStoredBlock(new Block(receivingReceivedBlockId)).findStorageInfo(ds) >= 0);
    assertNull(bm.getStoredBlock(new Block(ReceivedDeletedBlockId)));
    assertTrue(bm.getStoredBlock(new Block(existedBlock)).findStorageInfo(ds) >= 0);
}