Seems that the slides for each of the 3 Rapleaf talks are posted in the descriptions:
The Collector - A Tool to Have Multi-Writer Appends into HDFS http://docs.google.com/Present?docid=dgz78tv5_10gpjhnvg9 Katta - Distributed Lucene Index in Production http://joa23.files.wordpress.com/2008/10/katta-in-production.pdf Debugging and Tuning http://www.scribd.com/doc/7588384/Debugging-and-Tuning-MapReduce-Applications Norbert On 10/30/08, Alex Loddengaard <[EMAIL PROTECTED]> wrote: > > I don't think so, unfortunately. I couldn't find them. I remember someone > mentioning that the slides would be posted somewhere, though. > > Alex > > > On Thu, Oct 30, 2008 at 1:16 PM, Scott Whitecross <[EMAIL PROTECTED]> > wrote: > > > Is the presentation online as well? (Hard to see some of the slides in > the > > video) > > > > > > On Oct 30, 2008, at 1:34 PM, Alex Loddengaard wrote: > > > > Arun gave a great talk about debugging and tuning at the Rapleaf event. > >> Take a look: > >> <http://www.vimeo.com/2085477> > >> > >> Alex > >> > >> On Thu, Oct 30, 2008 at 6:20 AM, Malcolm Matalka < > >> [EMAIL PROTECTED]> wrote: > >> > >> I'm not sure of the correct way, but when I need to log a job I have it > >>> print out with some unique identifier and then just do: > >>> > >>> for i in list of each box; do ssh $i 'grep -R PREFIX path/to/logs'; > done > >>> > >>>> results > >>>> > >>> > >>> It works well in a pinch > >>> > >>> -----Original Message----- > >>> From: Scott Whitecross [mailto:[EMAIL PROTECTED] > >>> Sent: Wednesday, October 29, 2008 22:14 > >>> To: core-user@hadoop.apache.org > >>> Subject: Debugging / Logging in Hadoop? > >>> > >>> I'm curious to what the best method for debugging and logging in > >>> Hadoop? I put together a small cluster today and a simple application > >>> to process log files. While it worked well, I had trouble trying to > >>> get logging information out. Is there any way to attach a debugger, > >>> or get log4j to write a log file? I tried setting up a Logger in the > >>> class I used for the map/reduce, but I had no luck. > >>> > >>> Thanks. > >>> > >>> > >>> > >>> > > >