Aprile Matteo's Page

Hear from the experts on how High Performance Computing can improve your business on a day-to-day basis.Attend this webinar to understand-- Whether you really need HPC- What data or compute intensive problems can HPC solve for you- How can contemporary HPC offer an optimal solution- How companies are realizing huge RoI benefits- How can you best leverage HPC best practices for your businessRegister at…See More

Hi guys,We're some students of University of Fisciano(SA-Italy).  We're wrinting a MapReduce program for a chemistry problem and we need to launch a shell command in our reduce method. This is the code:*Process p = Runtime.getRuntime().exec("hadoop fs -cp /source/* /dest");try{p.waitFor();}catch (Exception e) {e.getMessage();}Thi is another mode to call a shell command but we have the same negative result....Shell.execCommand("hadoop fs -cp /projects/* /" + name_dir);and when we launch the…See More