I use SciDB to execute matrix multiplication between two matrices with dimension 50040million and 40million500, the cluster environment is 20 computing nodes with 64GB memory each other, and each node contains 8 scidb instance. I configure the /dev/shm space as 32GB. However, when I execute the matrix multiplication as above stated,
it throws expection:
SystemException in file: src/mpi/MPILauncher.cpp function: initIpcForWrite line: 1015
Error id: scidb::SCIDB_SE_INTERNAL::SCIDB_LE_OPERATION_FAILED_WITH_ERRNO
Error description: Internal SciDB error. Operation shared_memory_mmap failed with errno 22.
By th way, matrix multiplication between two matrices with dimension 50020million and 20million500 could execute well.
Hope for solution, thanks!