Thanks for your response,I tried the patch of GIRAPH-666 and it worked for me Best Regards
Date: Fri, 11 Apr 2014 19:24:15 +0800 Subject: Re: Child processes still running after successful job From: luyi0...@gmail.com To: user@giraph.apache.org HI Chadi, I also have this problem, my solution is to write a python script to kill the process on each slave machine which consumes lots of memory.:) I hope there is a better solution.