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 <[email protected] > 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" <[email protected]> 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. >
