Ming Yang, On Sun, Sep 30, 2007 at 01:13:07PM -0400, Ming Yang wrote: >Hi, > >I set up a 2-node Hadoop cluster, whose nodes are all in >the same network and ran the 'grep' example. The map tasks >were distributed among the two machines and ran without any >problem. However, the reduce task, which is running at the slave >node, doesn't seem to finish and stops at 11%. I checked the >reduce task tracker and it shows the following message: > >reduce > copy (5 of 15 at 0.00 MB/s) > > >Can anyone let me know where the problem comes from? >and how to fix it? I really appreciate it! >
Could you provide details on the hadoop version, platform etc.? Were there any failed tasks, lost task-trackers? Arun >Thank you, > >Ming Yang