If you want to write your own parser, you can always use the
SequenceFile.Reader[1] class. That will let you scan through all of
the key, value pairs in the file and perform whatever operation you
need. The SequenceFile.Reader uses the Hadoop APIs for reading files.
For a local file, that means you
Maybe i didn't describe my question clearly, i know the hadoop fs command
can do it
but i need to parse it without hdfs environment,
the file is on my disk(for example: D://test.seq),
and how to write a java class to parse it?
2011/6/27 Joey Echeverria
> If the data is text you can always prin
If the data is text you can always print out the sequence file using
this command:
hadoop fs -text file:///my/directory/file.seq
This will parse the sequence file, convert each key and value to a
string and print it to stdout. Notice the file:// in the path, that
will cause hadoop to access the l
hi
i have a small sequence file (about 1k) which is produced by a hive job, and
i need to parse it in my local filesystem,not in hdfs
is there any easy way to do it ?
Thanks
