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

Example 36 with Block

use of org.apache.hadoop.hdfs.protocol.Block in project hadoop by apache.

the class TestAddStripedBlocks method testAddUCReplica.

/**
   * Test BlockInfoStripedUnderConstruction#addReplicaIfNotPresent in different
   * scenarios.
   */
@Test
public void testAddUCReplica() throws Exception {
    final Path file = new Path("/file1");
    final List<String> storageIDs = new ArrayList<>();
    // create an empty file
    FSDataOutputStream out = null;
    try {
        out = dfs.create(file, (short) 1);
        // 1. create the UC striped block
        FSDirectory fsdir = cluster.getNamesystem().getFSDirectory();
        INodeFile fileNode = fsdir.getINode4Write(file.toString()).asFile();
        cluster.getNamesystem().getAdditionalBlock(file.toString(), fileNode.getId(), dfs.getClient().getClientName(), null, null, null, null);
        BlockInfo lastBlock = fileNode.getLastBlock();
        DatanodeStorageInfo[] locs = lastBlock.getUnderConstructionFeature().getExpectedStorageLocations();
        byte[] indices = lastBlock.getUnderConstructionFeature().getBlockIndices();
        Assert.assertEquals(groupSize, locs.length);
        Assert.assertEquals(groupSize, indices.length);
        // 2. mimic incremental block reports and make sure the uc-replica list in
        // the BlockInfoUCStriped is correct
        int i = 0;
        for (DataNode dn : cluster.getDataNodes()) {
            final Block block = new Block(lastBlock.getBlockId() + i++, 0, lastBlock.getGenerationStamp());
            DatanodeStorage storage = new DatanodeStorage(UUID.randomUUID().toString());
            storageIDs.add(storage.getStorageID());
            StorageReceivedDeletedBlocks[] reports = DFSTestUtil.makeReportForReceivedBlock(block, BlockStatus.RECEIVING_BLOCK, storage);
            for (StorageReceivedDeletedBlocks report : reports) {
                cluster.getNamesystem().processIncrementalBlockReport(dn.getDatanodeId(), report);
            }
        }
        // make sure lastBlock is correct and the storages have been updated
        locs = lastBlock.getUnderConstructionFeature().getExpectedStorageLocations();
        indices = lastBlock.getUnderConstructionFeature().getBlockIndices();
        Assert.assertEquals(groupSize, locs.length);
        Assert.assertEquals(groupSize, indices.length);
        for (DatanodeStorageInfo newstorage : locs) {
            Assert.assertTrue(storageIDs.contains(newstorage.getStorageID()));
        }
    } finally {
        IOUtils.cleanup(null, out);
    }
    // 3. restart the namenode. mimic the full block reports and check the
    // uc-replica list again
    cluster.restartNameNode(true);
    final String bpId = cluster.getNamesystem().getBlockPoolId();
    INodeFile fileNode = cluster.getNamesystem().getFSDirectory().getINode4Write(file.toString()).asFile();
    BlockInfo lastBlock = fileNode.getLastBlock();
    int i = groupSize - 1;
    for (DataNode dn : cluster.getDataNodes()) {
        String storageID = storageIDs.get(i);
        final Block block = new Block(lastBlock.getBlockId() + i--, lastBlock.getGenerationStamp(), 0);
        DatanodeStorage storage = new DatanodeStorage(storageID);
        List<ReplicaBeingWritten> blocks = new ArrayList<>();
        ReplicaBeingWritten replica = new ReplicaBeingWritten(block, null, null, null);
        blocks.add(replica);
        BlockListAsLongs bll = BlockListAsLongs.encode(blocks);
        StorageBlockReport[] reports = { new StorageBlockReport(storage, bll) };
        cluster.getNameNodeRpc().blockReport(dn.getDNRegistrationForBP(bpId), bpId, reports, new BlockReportContext(1, 0, System.nanoTime(), 0, true));
    }
    DatanodeStorageInfo[] locs = lastBlock.getUnderConstructionFeature().getExpectedStorageLocations();
    byte[] indices = lastBlock.getUnderConstructionFeature().getBlockIndices();
    Assert.assertEquals(groupSize, locs.length);
    Assert.assertEquals(groupSize, indices.length);
    for (i = 0; i < groupSize; i++) {
        Assert.assertEquals(storageIDs.get(i), locs[groupSize - 1 - i].getStorageID());
        Assert.assertEquals(groupSize - i - 1, indices[i]);
    }
}

Example 37 with Block

use of org.apache.hadoop.hdfs.protocol.Block in project hadoop by apache.

the class TestQuotaWithStripedBlocks method testUpdatingQuotaCount.

@Test
public void testUpdatingQuotaCount() throws Exception {
    final Path file = new Path(ecDir, "file");
    FSDataOutputStream out = null;
    try {
        out = dfs.create(file, (short) 1);
        INodeFile fileNode = dir.getINode4Write(file.toString()).asFile();
        ExtendedBlock previous = null;
        // Create striped blocks which have a cell in each block.
        Block newBlock = DFSTestUtil.addBlockToFile(true, cluster.getDataNodes(), dfs, cluster.getNamesystem(), file.toString(), fileNode, dfs.getClient().getClientName(), previous, 1, 0);
        previous = new ExtendedBlock(cluster.getNamesystem().getBlockPoolId(), newBlock);
        final INodeDirectory dirNode = dir.getINode4Write(ecDir.toString()).asDirectory();
        final long spaceUsed = dirNode.getDirectoryWithQuotaFeature().getSpaceConsumed().getStorageSpace();
        final long diskUsed = dirNode.getDirectoryWithQuotaFeature().getSpaceConsumed().getTypeSpaces().get(StorageType.DISK);
        // When we add a new block we update the quota using the full block size.
        Assert.assertEquals(BLOCK_SIZE * groupSize, spaceUsed);
        Assert.assertEquals(BLOCK_SIZE * groupSize, diskUsed);
        dfs.getClient().getNamenode().complete(file.toString(), dfs.getClient().getClientName(), previous, fileNode.getId());
        final long actualSpaceUsed = dirNode.getDirectoryWithQuotaFeature().getSpaceConsumed().getStorageSpace();
        final long actualDiskUsed = dirNode.getDirectoryWithQuotaFeature().getSpaceConsumed().getTypeSpaces().get(StorageType.DISK);
        // In this case the file's real size is cell size * block group size.
        Assert.assertEquals(cellSize * groupSize, actualSpaceUsed);
        Assert.assertEquals(cellSize * groupSize, actualDiskUsed);
    } finally {
        IOUtils.cleanup(null, out);
    }
}

Example 38 with Block

use of org.apache.hadoop.hdfs.protocol.Block in project hadoop by apache.

the class TestStripedINodeFile method testBlockStripedLength.

@Test
public void testBlockStripedLength() throws IOException, InterruptedException {
    INodeFile inf = createStripedINodeFile();
    Block blk = new Block(1);
    BlockInfoStriped blockInfoStriped = new BlockInfoStriped(blk, testECPolicy);
    inf.addBlock(blockInfoStriped);
    assertEquals(1, inf.getBlocks().length);
}

Example 39 with Block

use of org.apache.hadoop.hdfs.protocol.Block in project hadoop by apache.

the class TestStripedINodeFile method testBlockStripedConsumedSpace.

@Test
public void testBlockStripedConsumedSpace() throws IOException, InterruptedException {
    INodeFile inf = createStripedINodeFile();
    Block blk = new Block(1);
    BlockInfoStriped blockInfoStriped = new BlockInfoStriped(blk, testECPolicy);
    blockInfoStriped.setNumBytes(1);
    inf.addBlock(blockInfoStriped);
    //   0. Calculate the total bytes per stripes <Num Bytes per Stripes>
    //   1. Calculate the number of stripes in this block group. <Num Stripes>
    //   2. Calculate the last remaining length which does not make a stripe. <Last Stripe Length>
    //   3. Total consumed space is the total of
    //     a. The total of the full cells of data blocks and parity blocks.
    //     b. The remaining of data block which does not make a stripe.
    //     c. The last parity block cells. These size should be same
    //        to the first cell in this stripe.
    // So the total consumed space is the sum of
    //  a. <Cell Size> * (<Num Stripes> - 1) * <Total Block Num> = 0
    //  b. <Num Bytes> % <Num Bytes per Stripes> = 1
    //  c. <Last Stripe Length> * <Parity Block Num> = 1 * 3
    assertEquals(4, inf.storagespaceConsumedStriped().getStorageSpace());
    assertEquals(4, inf.storagespaceConsumed(defaultPolicy).getStorageSpace());
}

Example 40 with Block

use of org.apache.hadoop.hdfs.protocol.Block in project hadoop by apache.

the class TestStripedINodeFile method testBlockStripedComputeQuotaUsage.

@Test
public void testBlockStripedComputeQuotaUsage() throws IOException, InterruptedException {
    INodeFile inf = createStripedINodeFile();
    Block blk = new Block(1);
    BlockInfoStriped blockInfoStriped = new BlockInfoStriped(blk, testECPolicy);
    blockInfoStriped.setNumBytes(100);
    inf.addBlock(blockInfoStriped);
    QuotaCounts counts = inf.computeQuotaUsageWithStriped(defaultPolicy, new QuotaCounts.Builder().build());
    assertEquals(1, counts.getNameSpace());
    // The total consumed space is the sum of
    //  a. <Cell Size> * (<Num Stripes> - 1) * <Total Block Num> = 0
    //  b. <Num Bytes> % <Num Bytes per Stripes> = 100
    //  c. <Last Stripe Length> * <Parity Block Num> = 100 * 3
    assertEquals(400, counts.getStorageSpace());
}