public long sizeInBytes() {
    return super.sizeInBytes() + partitionId.getBytes().length + FILE_NAME_SIZE_IN_BYTES + fileName.length() +
        hostName.length() + snapshotId.length() + Long.BYTES + Long.BYTES + IS_CHUNKED_SIZE_IN_BYTES;
  }
Get the size of the request in bytes
@return long
ambry-protocol/src/main/java/com/github/ambry/protocol/FileCopyGetChunkRequest.java