Would WritableFactories not allow me to open one outputstream and continue to write() and sync() ?
Maybe I'm reading into that wrong. Although UUID would be nice, it would still leave me in the problem of having lots of little files instead of a few large files. -sd On Sat, May 9, 2009 at 8:37 AM, jason hadoop <jason.had...@gmail.com> wrote: > You must create unique file names, I don't believe (but I do not know) that > the append could will allow multiple writers. > > Are you writing from within a task, or as an external application writing > into hadoop. > > You may try using UUID, > http://java.sun.com/j2se/1.5.0/docs/api/java/util/UUID.html, as part of > your > filename. > Without knowing more about your goals, environment and constraints it is > hard to offer any more detailed suggestions. > You could also have an application aggregate the streams and write out > chunks, with one or more writers, one per output file. > >