Hadoop
Hadoop copied to clipboard
matteobertozzi
Hadoop (Utilities, Patches and Examples)
I have a sequence file with LzoCodec, that I am unable to read through the module . from hadoop.io import SequenceFile fh='/home/ekta/my_file' reader = SequenceFile.Reader(fh) # first few lines in...
Hi, I'm having trouble installing the contents of the python-hadoop subfolder as a Python module. Here is what I tried: - Clone the repository - Add the python-hadoop folder to...
hi, Recently I use pyspark to write image to sequence file. I Use scikit-image and numpy to convert/restore image data to bytearray, but failed to restore the image from the...
Hi Matteo, I am wondering if there is a workaround for appending to a previously closed, already existing SequenceFile. The current implementation of the writer does not seem to support...
The check for EOF appears here. https://github.com/matteobertozzi/Hadoop/blob/master/python-hadoop/hadoop/io/SequenceFile.py#L346 If that check reports that we are not at EOF, then it attempts to read any sync. Then it proceeds to read records...
Serialized HDFS files can be tricky to read, because sometimes they are - Compressed - Encoded in a non Writable Sequence file format (thrift, avro,...) I wonder if I can...
