Re: How to debug

2012-08-26 Thread Manoj Babu
No problem in it Harsh, I dint find it and so I have asked. On 26 Aug 2012 17:39, "Harsh J" wrote:

Re: How to debug

2012-08-26 Thread Harsh J
ication" run configuration in eclipse. >> The "Conection Type" should be Standard (Socket Listen), and the port >> should be 9987. >> >> Happy debugging! >> Yaron >> >> >> >> >> On Sat, Aug 25, 2012 at 10:48 AM, Manoj Babu wrote: >>> >>> Hi All, >>> >>> how to debug mapreduce programs in pseudo mode? >>> >>> Thanks in Advance. >> >> > -- Harsh J

Re: How to debug

2012-08-26 Thread Manoj Babu
suspend=y > > Now. add a "Remote Java Application" run configuration in eclipse. > The "Conection Type" should be Standard (Socket Listen), and the port > should be 9987. > > Happy debugging! > Yaron > > > > > On Sat, Aug 25, 2012 at 10:48 AM

Re: How to debug

2012-08-26 Thread Yaron Gonen
isten), and the port should be 9987. Happy debugging! Yaron On Sat, Aug 25, 2012 at 10:48 AM, Manoj Babu wrote: > Hi All, > > how to debug mapreduce programs in pseudo mode? > > Thanks in Advance. >

How to debug

2012-08-25 Thread Manoj Babu
Hi All, how to debug mapreduce programs in pseudo mode? Thanks in Advance.

Re: How to debug ReduceTask?

2010-08-28 Thread Ted Yu
Have you tried http://www.karmasphere.com/ ? On Sat, Aug 28, 2010 at 6:24 PM, Pedro Costa wrote: > Hi, I would like to debug the shuffle phase from a Reducer, but I > can't because the Reducer starts as a new process. I've tried all the > options that some pages says, but it doesn't work in the

How to debug ReduceTask?

2010-08-28 Thread Pedro Costa
Hi, I would like to debug the shuffle phase from a Reducer, but I can't because the Reducer starts as a new process. I've tried all the options that some pages says, but it doesn't work in the way that I want. I've tried the IsolationRunner class and the LocaJobRunner, but I couldn't put them to w

Re: How to debug reducer thread?

2010-05-01 Thread psdc1978
I've other idea that I don't know how to do it. Is it possible to set Xdebug parameter to the ReduceTask that is instanced by a JVM of the MapRed? If it's possible, I could connect the debugger to that thread, right? On Sat, May 1, 2010 at 4:43 PM, psdc1978 wrote: > Hi, > > I really need to debu

Re: How to debug reducer thread?

2010-05-01 Thread psdc1978
Hi, I really need to debug the threads the ReduceTask will launch, and not using unit tests. The reason is that I'm seeing what's happening in the ReduceTask to do some changes to the code for myself. So, I was trying to debug the ReduceTask setting the following in mapred-site.xml mapred.job.

Re: How to debug reducer thread?

2010-04-27 Thread Eric Sammer
If you want to step through a full map / reduce job, the easiest way to do this is to run a job using the local job runner in your IDE. The local job runner will run the MR job in a single thread making it very easy to debug. You will want to use the local file system and a small amount of data dur

How to debug reducer thread?

2010-04-27 Thread psdc1978
Hi, The reduce tasks are threads that are launched by the Reducer. The print below shows the stacktrace of one reduce task. at org.apache.hadoop.mapred.ReduceTask$ReduceCopier.fetchHashesOutputs(ReduceTask.java:2582) at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:395) at org.apache.ha