On Fri, Jun 5, 2009 at 1:41 PM, Thushara Wijeratna<thu...@gmail.com> wrote: > i fixed this on my system - Text.append degraded for large buffers (225M > line could not be processed for over 20 min). > the fix was to substitute a ByteArrayOutputStream and now the map/reduce > runs in under 30s. > > should i submit a patch for this? what is the process?
Please do contribute patches! The instructions are at http://wiki.apache.org/hadoop/HowToContribute . You'll end up submitting a JIRA, writing a patch, including some tests (and, for performance issues, some performance numbers and steps to reproduce). -- Philip
