Hi Jerry, 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?
-Sandy 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? > > Thanks, > > Jerry >
