-Re: Streaming value of (200MB) from a SequenceFile
Sandy Ryza 2013-03-31, 18:10
I assume you're providing your own Writable implementation? The Writable
readFields method is given a stream. Are you able to perform you able to
perform your processing while reading the it there?
On Sat, Mar 30, 2013 at 10:52 AM, Jerry Lam <[EMAIL PROTECTED]> wrote:
> Hi everyone,
> I'm having a problem to stream individual key-value pair of 200MB to 1GB
> from a MapFile.
> I need to stream the large value to an outputstream instead of reading the
> entire value before processing because it potentially uses too much memory.
> I read the API for MapFile, the next(WritableComparable key, Writable val)
> does not return an input stream.
> How can I accomplish this?