int addSomeBlocks(FSDatasetInterface fsdataset, int startingBlockId) throws IOException { int bytesAdded = 0; for (int i = startingBlockId; i < startingBlockId+NUMBLOCKS; ++i) { Block b = new Block(i, 0, 0); // we pass expected len as zero, - fsdataset should use the sizeof actual data written BlockDataFile.Writer dataOut = ((SimulatedFSDataset.SimulatedBlockInlineChecksumFileWriter) fsdataset .writeToBlock(0, b, b, false, false, -1, -1)).getBlockDataFile() .getWriter(0); assertEquals(0, fsdataset.getFinalizedBlockLength(0,b)); for (int j=1; j <= blockIdToLen(i); ++j) { dataOut.write(new byte[] {(byte)j}); assertEquals(j, fsdataset.getFinalizedBlockLength(0,b)); // correct length even as we write bytesAdded++; } dataOut.close(); b.setNumBytes(blockIdToLen(i)); fsdataset.finalizeBlock(0,b); assertEquals(blockIdToLen(i), fsdataset.getFinalizedBlockLength(0,b)); } return bytesAdded; }
void checkBlockDataAndSize(FSDatasetInterface fsdataset, Block b, long expectedLen) throws IOException { ReplicaToRead replica = fsdataset.getReplicaToRead(0, b); InputStream input = replica.getBlockInputStream(null, 0); long lengthRead = 0; int data; int count = 0; while ((data = input.read()) != -1) { if (count++ < BlockInlineChecksumReader.getHeaderSize()) { continue; } assertEquals(SimulatedFSDataset.DEFAULT_DATABYTE, data); lengthRead++; } assertEquals(expectedLen, lengthRead); }
public void testInvalidate() throws IOException { FSDatasetInterface fsdataset = new SimulatedFSDataset(conf); int bytesAdded = addSomeBlocks(fsdataset); Block[] deleteBlocks = new Block[2]; deleteBlocks[0] = new Block(1, 0, 0); deleteBlocks[1] = new Block(2, 0, 0); fsdataset.invalidate(0,deleteBlocks); checkInvalidBlock(deleteBlocks[0]); checkInvalidBlock(deleteBlocks[1]); long sizeDeleted = blockIdToLen(1) + blockIdToLen(2); assertEquals(bytesAdded-sizeDeleted, fsdataset.getDfsUsed()); assertEquals(fsdataset.getCapacity()-bytesAdded+sizeDeleted, fsdataset.getRemaining()); // Now make sure the rest of the blocks are valid for (int i=3; i <= NUMBLOCKS; ++i) { Block b = new Block(i, 0, 0); assertTrue(fsdataset.isValidBlock(0, b, false)); } }
int addSomeBlocks(FSDatasetInterface fsdataset, int startingBlockId) throws IOException { int bytesAdded = 0; for (int i = startingBlockId; i < startingBlockId+NUMBLOCKS; ++i) { Block b = new Block(i, 0, 0); // we pass expected len as zero, - fsdataset should use the sizeof actual data written OutputStream dataOut = fsdataset.writeToBlock(b, false, false).dataOut; assertEquals(0, fsdataset.getLength(b)); for (int j=1; j <= blockIdToLen(i); ++j) { dataOut.write(j); assertEquals(j, fsdataset.getLength(b)); // correct length even as we write bytesAdded++; } dataOut.close(); b.setNumBytes(blockIdToLen(i)); fsdataset.finalizeBlock(b); assertEquals(blockIdToLen(i), fsdataset.getLength(b)); } return bytesAdded; }
public void testGetMetaData() throws IOException { FSDatasetInterface fsdataset = new SimulatedFSDataset(conf); Block b = new Block(1, 5, 0); try { assertFalse(fsdataset.metaFileExists(b)); assertTrue("Expected an IO exception", false); } catch (IOException e) { // ok - as expected } addSomeBlocks(fsdataset); // Only need to add one but .... b = new Block(1, 0, 0); InputStream metaInput = fsdataset.getMetaDataInputStream(b); DataInputStream metaDataInput = new DataInputStream(metaInput); short version = metaDataInput.readShort(); assertEquals(FSDataset.METADATA_VERSION, version); DataChecksum checksum = DataChecksum.newDataChecksum(metaDataInput); assertEquals(DataChecksum.CHECKSUM_NULL, checksum.getChecksumType()); assertEquals(0, checksum.getChecksumSize()); }
public void testInvalidate() throws IOException { FSDatasetInterface fsdataset = new SimulatedFSDataset(conf); int bytesAdded = addSomeBlocks(fsdataset); Block[] deleteBlocks = new Block[2]; deleteBlocks[0] = new Block(1, 0, 0); deleteBlocks[1] = new Block(2, 0, 0); fsdataset.invalidate(deleteBlocks); checkInvalidBlock(deleteBlocks[0]); checkInvalidBlock(deleteBlocks[1]); long sizeDeleted = blockIdToLen(1) + blockIdToLen(2); assertEquals(bytesAdded-sizeDeleted, fsdataset.getDfsUsed()); assertEquals(fsdataset.getCapacity()-bytesAdded+sizeDeleted, fsdataset.getRemaining()); // Now make sure the rest of the blocks are valid for (int i=3; i <= NUMBLOCKS; ++i) { Block b = new Block(i, 0, 0); assertTrue(fsdataset.isValidBlock(b)); } }
int addSomeBlocks(FSDatasetInterface fsdataset, int startingBlockId) throws IOException { int bytesAdded = 0; for (int i = startingBlockId; i < startingBlockId+NUMBLOCKS; ++i) { Block b = new Block(i, 0, 0); // we pass expected len as zero, - fsdataset should use the sizeof actual data written ReplicaInPipelineInterface bInfo = fsdataset.createRbw(b); BlockWriteStreams out = bInfo.createStreams(true, 512, 4); try { OutputStream dataOut = out.dataOut; assertEquals(0, fsdataset.getLength(b)); for (int j=1; j <= blockIdToLen(i); ++j) { dataOut.write(j); assertEquals(j, bInfo.getBytesOnDisk()); // correct length even as we write bytesAdded++; } } finally { out.close(); } b.setNumBytes(blockIdToLen(i)); fsdataset.finalizeBlock(b); assertEquals(blockIdToLen(i), fsdataset.getLength(b)); } return bytesAdded; }
int addSomeBlocks(FSDatasetInterface fsdataset, int startingBlockId) throws IOException { int bytesAdded = 0; for (int i = startingBlockId; i < startingBlockId+NUMBLOCKS; ++i) { Block b = new Block(i, 0, 0); // we pass expected len as zero, - fsdataset should use the sizeof actual data written OutputStream dataOut = fsdataset.writeToBlock(0, b, false, false).dataOut; assertEquals(0, fsdataset.getFinalizedBlockLength(0,b)); for (int j=1; j <= blockIdToLen(i); ++j) { dataOut.write(j); assertEquals(j, fsdataset.getFinalizedBlockLength(0,b)); // correct length even as we write bytesAdded++; } dataOut.close(); b.setNumBytes(blockIdToLen(i)); fsdataset.finalizeBlock(0,b); assertEquals(blockIdToLen(i), fsdataset.getFinalizedBlockLength(0,b)); } return bytesAdded; }
public void testGetMetaData() throws IOException { FSDatasetInterface fsdataset = new SimulatedFSDataset(conf); Block b = new Block(1, 5, 0); try { assertFalse(fsdataset.metaFileExists(0,b)); assertTrue("Expected an IO exception", false); } catch (IOException e) { // ok - as expected } addSomeBlocks(fsdataset); // Only need to add one but .... b = new Block(1, 0, 0); InputStream metaInput = fsdataset.getMetaDataInputStream(0,b); DataInputStream metaDataInput = new DataInputStream(metaInput); short version = metaDataInput.readShort(); assertEquals(FSDataset.METADATA_VERSION, version); DataChecksum checksum = DataChecksum.newDataChecksum(metaDataInput); assertEquals(DataChecksum.CHECKSUM_NULL, checksum.getChecksumType()); assertEquals(0, checksum.getChecksumSize()); }
int addSomeBlocks(FSDatasetInterface fsdataset, int startingBlockId) throws IOException { int bytesAdded = 0; for (int i = startingBlockId; i < startingBlockId+NUMBLOCKS; ++i) { Block b = new Block(i, 0, 0); // we pass expected len as zero, - fsdataset should use the sizeof actual data written OutputStream dataOut = fsdataset.writeToBlock(b, false).dataOut; assertEquals(0, fsdataset.getLength(b)); for (int j=1; j <= blockIdToLen(i); ++j) { dataOut.write(j); assertEquals(j, fsdataset.getLength(b)); // correct length even as we write bytesAdded++; } dataOut.close(); b.setNumBytes(blockIdToLen(i)); fsdataset.finalizeBlock(b); assertEquals(blockIdToLen(i), fsdataset.getLength(b)); } return bytesAdded; }
/** * This method is valid only if the data nodes have simulated data * @param dataNodeIndex - data node i which to inject - the index is same as for getDataNodes() * @param blocksToInject - the blocks * @throws IOException * if not simulatedFSDataset * if any of blocks already exist in the data node * */ public void injectBlocks(int dataNodeIndex, Block[] blocksToInject) throws IOException { if (dataNodeIndex < 0 || dataNodeIndex > dataNodes.size()) { throw new IndexOutOfBoundsException(); } FSDatasetInterface dataSet = dataNodes.get(dataNodeIndex).datanode.getFSDataset(); if (!(dataSet instanceof SimulatedFSDataset)) { throw new IOException("injectBlocks is valid only for SimilatedFSDataset"); } SimulatedFSDataset sdataset = (SimulatedFSDataset) dataSet; sdataset.injectBlocks(getNameNode().getNamespaceID(), blocksToInject); dataNodes.get(dataNodeIndex).datanode.scheduleNSBlockReport(0); }
public void testStorageUsage() throws IOException { FSDatasetInterface fsdataset = new SimulatedFSDataset(conf); assertEquals(fsdataset.getDfsUsed(), 0); assertEquals(fsdataset.getRemaining(), fsdataset.getCapacity()); int bytesAdded = addSomeBlocks(fsdataset); assertEquals(bytesAdded, fsdataset.getDfsUsed()); assertEquals(fsdataset.getCapacity()-bytesAdded, fsdataset.getRemaining()); }
public void testWriteRead() throws IOException { FSDatasetInterface fsdataset = new SimulatedFSDataset(conf); addSomeBlocks(fsdataset); for (int i=1; i <= NUMBLOCKS; ++i) { Block b = new Block(i, 0, 0); assertTrue(fsdataset.isValidBlock(0, b, false)); assertEquals(blockIdToLen(i), fsdataset.getFinalizedBlockLength(0,b)); checkBlockDataAndSize(fsdataset, b, blockIdToLen(i)); } }
public void testGetBlockReport() throws IOException { FSDatasetInterface fsdataset = new SimulatedFSDataset(conf); Block[] blockReport = fsdataset.getBlockReport(0); assertEquals(0, blockReport.length); int bytesAdded = addSomeBlocks(fsdataset); blockReport = fsdataset.getBlockReport(0); assertEquals(NUMBLOCKS, blockReport.length); for (Block b: blockReport) { assertNotNull(b); assertEquals(blockIdToLen(b.getBlockId()), b.getNumBytes()); } }
public void testInValidBlocks() throws IOException { FSDatasetInterface fsdataset = new SimulatedFSDataset(conf); Block b = new Block(1, 5, 0); checkInvalidBlock(b); // Now check invlaid after adding some blocks addSomeBlocks(fsdataset); b = new Block(NUMBLOCKS + 99, 5, 0); checkInvalidBlock(b); }
/** * This method is valid only if the data nodes have simulated data * @param dataNodeIndex - data node i which to inject - the index is same as for getDataNodes() * @param blocksToInject - the blocks * @throws IOException * if not simulatedFSDataset * if any of blocks already exist in the data node * */ public void injectBlocks(int dataNodeIndex, Block[] blocksToInject) throws IOException { if (dataNodeIndex < 0 || dataNodeIndex > dataNodes.size()) { throw new IndexOutOfBoundsException(); } FSDatasetInterface dataSet = dataNodes.get(dataNodeIndex).datanode.getFSDataset(); if (!(dataSet instanceof SimulatedFSDataset)) { throw new IOException("injectBlocks is valid only for SimilatedFSDataset"); } SimulatedFSDataset sdataset = (SimulatedFSDataset) dataSet; sdataset.injectBlocks(blocksToInject); dataNodes.get(dataNodeIndex).datanode.scheduleBlockReport(0); }
void checkBlockDataAndSize(FSDatasetInterface fsdataset, Block b, long expectedLen) throws IOException { InputStream input = fsdataset.getBlockInputStream(b); long lengthRead = 0; int data; while ((data = input.read()) != -1) { assertEquals(SimulatedFSDataset.DEFAULT_DATABYTE, data); lengthRead++; } assertEquals(expectedLen, lengthRead); }
public void testWriteRead() throws IOException { FSDatasetInterface fsdataset = new SimulatedFSDataset(conf); addSomeBlocks(fsdataset); for (int i=1; i <= NUMBLOCKS; ++i) { Block b = new Block(i, 0, 0); assertTrue(fsdataset.isValidBlock(b)); assertEquals(blockIdToLen(i), fsdataset.getLength(b)); checkBlockDataAndSize(fsdataset, b, blockIdToLen(i)); } }
public void testGetBlockReport() throws IOException { FSDatasetInterface fsdataset = new SimulatedFSDataset(conf); Block[] blockReport = fsdataset.getBlockReport(); assertEquals(0, blockReport.length); int bytesAdded = addSomeBlocks(fsdataset); blockReport = fsdataset.getBlockReport(); assertEquals(NUMBLOCKS, blockReport.length); for (Block b: blockReport) { assertNotNull(b); assertEquals(blockIdToLen(b.getBlockId()), b.getNumBytes()); } }
/** * This method is valid only if the data nodes have simulated data * @param dataNodeIndex - data node i which to inject - the index is same as for getDataNodes() * @param blocksToInject - the blocks * @throws IOException * if not simulatedFSDataset * if any of blocks already exist in the data node * */ public void injectBlocks(int dataNodeIndex, Iterable<Block> blocksToInject) throws IOException { if (dataNodeIndex < 0 || dataNodeIndex > dataNodes.size()) { throw new IndexOutOfBoundsException(); } FSDatasetInterface dataSet = dataNodes.get(dataNodeIndex).datanode.getFSDataset(); if (!(dataSet instanceof SimulatedFSDataset)) { throw new IOException("injectBlocks is valid only for SimilatedFSDataset"); } SimulatedFSDataset sdataset = (SimulatedFSDataset) dataSet; sdataset.injectBlocks(blocksToInject); dataNodes.get(dataNodeIndex).datanode.scheduleBlockReport(0); }
