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BlockReceiver.shouldVerifyChecksum
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How to use
shouldVerifyChecksum
method
in
org.apache.hadoop.hdfs.server.datanode.BlockReceiver

Best Java code snippets using org.apache.hadoop.hdfs.server.datanode.BlockReceiver.shouldVerifyChecksum (Showing top 3 results out of 315)

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}
origin: org.apache.hadoop/hadoop-hdfs

if (responder != null && !syncBlock && !shouldVerifyChecksum()) {
 ((PacketResponder) responder.getRunnable()).enqueue(seqno,
   lastPacketInBlock, offsetInBlock, Status.SUCCESS);
 if (checksumReceivedLen > 0 && shouldVerifyChecksum()) {
  try {
   verifyChunks(dataBuf, checksumBuf);
if (responder != null && (syncBlock || shouldVerifyChecksum())) {
 ((PacketResponder) responder.getRunnable()).enqueue(seqno,
   lastPacketInBlock, offsetInBlock, Status.SUCCESS);
origin: ch.cern.hadoop/hadoop-hdfs

if (responder != null && !syncBlock && !shouldVerifyChecksum()) {
 ((PacketResponder) responder.getRunnable()).enqueue(seqno,
   lastPacketInBlock, offsetInBlock, Status.SUCCESS);
 if (checksumReceivedLen > 0 && shouldVerifyChecksum()) {
  try {
   verifyChunks(dataBuf, checksumBuf);
if (responder != null && (syncBlock || shouldVerifyChecksum())) {
 ((PacketResponder) responder.getRunnable()).enqueue(seqno,
   lastPacketInBlock, offsetInBlock, Status.SUCCESS);
origin: io.prestosql.hadoop/hadoop-apache

if (responder != null && !syncBlock && !shouldVerifyChecksum()) {
 ((PacketResponder) responder.getRunnable()).enqueue(seqno,
   lastPacketInBlock, offsetInBlock, Status.SUCCESS);
 if (checksumReceivedLen > 0 && shouldVerifyChecksum()) {
  try {
   verifyChunks(dataBuf, checksumBuf);
if (responder != null && (syncBlock || shouldVerifyChecksum())) {
 ((PacketResponder) responder.getRunnable()).enqueue(seqno,
   lastPacketInBlock, offsetInBlock, Status.SUCCESS);
org.apache.hadoop.hdfs.server.datanodeBlockReceivershouldVerifyChecksum

Javadoc

Check whether checksum needs to be verified. Skip verifying checksum iff this is not the last one in the pipeline and clientName is non-null. i.e. Checksum is verified on all the datanodes when the data is being written by a datanode rather than a client. Whe client is writing the data, protocol includes acks and only the last datanode needs to verify checksum.

Popular methods of BlockReceiver

  • <init>
  • cleanupBlock
    Cleanup a partial block if this write is for a replication request (and not from a client)
  • close
    close files and release volume reference.
  • computePartialChunkCrc
    reads in the partial crc chunk and computes checksum of pre-existing data in partial chunk.
  • handleMirrorOutError
    While writing to mirrorOut, failure to write to mirror should not affect this datanode unless it is
  • receiveBlock
  • receivePacket
    Receives and processes a packet. It can contain many chunks. returns the number of data bytes that t
  • verifyChunks
    Verify multiple CRC chunks.
  • adjustCrcFilePosition
    Adjust the file pointer in the local meta file so that the last checksum will be overwritten.
  • checksum2long
    Convert a checksum byte array to a long
  • claimReplicaHandler
    The caller claims the ownership of the replica handler.
  • copyLastChunkChecksum
  • claimReplicaHandler,
  • copyLastChunkChecksum,
  • flushOrSync,
  • getReplica,
  • manageWriterOsCache,
  • packetSentInTime,
  • sendOOB,
  • setLastSentTime,
  • translateChunks

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