Thank you so much， Mathias Herberts This really helps
On Thu, Dec 9, 2010 at 4:17 PM, He Chen <airb...@gmail.com> wrote: > I am still in the test stage. I mean I only start one JobTracker and one > TaskTracker. > I copied all jcuda.*.jar into HADOOP_HOME/lib/ > > from the ps aux|grep java > > I can confirm the JT and TT processes all contain the jcuda.*.jar files > > > On Thu, Dec 9, 2010 at 4:05 PM, Mathias Herberts < > mathias.herbe...@gmail.com> wrote: > >> You need to have the native libs on all tasktrackers and have >> java.library.path correctly set. >> On Dec 9, 2010 11:01 PM, "He Chen" <airb...@gmail.com> wrote: >> > Hello everyone, I 've got a problem when I write some Jcuda program >> based >> on >> > Hadoop MapReduce. I use the jcudaUtill. The KernelLauncherSample can be >> > successfully executed on my worker node. However, When I submit a >> program >> > containing jcuda to Hadoop MapReduce. I got following errors. Any reply >> will >> > be appreciated! 10/12/09 15:41:39 INFO mapred.JobClient: Running job: >> > job_201012091523_0002 10/12/09 15:41:40 INFO mapred.JobClient: map 0% >> reduce >> > 0% 10/12/09 15:41:53 INFO mapred.JobClient: Task Id : >> > attempt_201012091523_0002_m_000000_0, Status : FAILED Error: Could not >> load >> > native library attempt_201012091523_0002_m_000000_0: [GC >> > 7402K->1594K(12096K), 0.0045650 secs] >> attempt_201012091523_0002_m_000000_0: >> > [GC 108666K->104610K(116800K), 0.0106860 secs] >> > attempt_201012091523_0002_m_000000_0: [Full GC >> 104610K->104276K(129856K), >> > 0.0482530 secs] attempt_201012091523_0002_m_000000_0: Error while >> loading >> > native library with base name "JCudaDriver" >> > attempt_201012091523_0002_m_000000_0: Operating system name: Linux >> > attempt_201012091523_0002_m_000000_0: Architecture : amd64 >> > attempt_201012091523_0002_m_000000_0: Architecture bit size: 64 10/12/09 >> > 15:42:00 INFO mapred.JobClient: Task Id : >> > attempt_201012091523_0002_m_000000_1, Status : FAILED Error: Could not >> load >> > native library attempt_201012091523_0002_m_000000_1: [GC >> > 7373K->1573K(18368K), 0.0045230 secs] >> attempt_201012091523_0002_m_000000_1: >> > Error while loading native library with base name "JCudaDriver" >> > attempt_201012091523_0002_m_000000_1: Operating system name: Linux >> > attempt_201012091523_0002_m_000000_1: Architecture : amd64 >> > attempt_201012091523_0002_m_000000_1: Architecture bit size: 64 It looks >> > like The jcuda library file can not be sucessfully loaded. Actually, I >> tried >> > many combinations. 1) I include all the jcuda library files in my >> > TaskTracker's classpath, and also include jcuda library file into my >> > mapreduce program. 2) TaskTracker's classpath w/o jcuda library, but my >> > program contains them 3) TaskTracker's classpath w/ jcuda librara, but >> my >> > program w/o them All of them report the same error above. >> > >
