Re: Setting permissions for slave nodes running mapper

2011-09-09 Thread Joris Poort
Hi Harsh, Thanks for the diagnosis. I'm trying to execute some files already present on the OS. I tried to copy some files into the working directory for the mapred user "/tmp" to use for execution, but don't even have permissions for that. I tried using sudo but get "org.apache.hadoop.util.She

Re: Setting permissions for slave nodes running mapper

2011-09-08 Thread Harsh J
Hello Joris! What types of files are you trying to execute or modify? Distributed cache files? Your own files? Files already present on the OS? If its distributed cache stuff, or your own creations/etc., one thing you can try it to set "keep.failed.task.files" to "true" for your job and fail a ta

Setting permissions for slave nodes running mapper

2011-09-08 Thread Joris Poort
Hi, I'm trying to set permissions for the tasktracker and/or mapred user. Basically I'm trying to execute and modify files from within the mapper, but the code errors out stating that the mapred user on the slave node doesn't have the right permissions to modify/execute files. Any help or tips on