Hi,
I am writing a Hadoop Streaming job in Python. I know that I can
increment counters by writing a special format to sys.stderr. Is it
possible to *read* the values of counters from my Python program? I am
using the global counter as the denominator of a probability, and must
have this value
Hi,
I am having problems running Hadoop Streaming both 0.21.0 as well as
0.20.203.0. When I run the job using the following command, the job
hangs at Map 0% Reduce 0% for about a minute and then fails with the
status Killed : Could not initialize class
org.apache.log4j.LogManager. This then seems
Hi,
I am trying to set up a Hadoop cluster so that any of our users can
access HDFS and submit jobs and I am having trouble with this.
I added a HDFS path for mapred.system.dir in mapred-site.xml as
suggested in an FAQ.
I start/stop the cluster with system user _hadoop.
I would like to be able
/value
/property
Abhishek
On Sat, Apr 3, 2010 at 5:36 PM, Ryan Rosario uclamath...@gmail.com wrote:
Hi,
I am trying to set up a Hadoop cluster so that any of our users can
access HDFS and submit jobs and I am having trouble with this.
I added a HDFS path for mapred.system.dir in mapred
In Streaming tasks, how can I output a separate file with the key as
the filename, for each line of output, instead of collecting it in a
big file?
Thanks,
Ryan
26, 2009 at 8:03 AM, Koji Noguchi knogu...@yahoo-inc.com wrote:
This doesn't solve your stderr/stdout problem, but you can always set the
timeout to be a bigger value if necessary.
-Dmapred.task.timeout=__ (in milliseconds)
Koji
On 10/25/09 12:00 PM, Ryan Rosario uclamath...@gmail.com
I am using a Python script as a mapper for a Hadoop Streaming (hadoop
0.20.0) job, with reducer NONE. My jobs keep getting killed with task
failed to respond after 600 seconds. I tried sending a heartbeat
every minute to stderr using sys.stderr.write in my mapper, but
nothing is being output to
