Here is the situation. I am using a cluster on which you can use MPI to split the processing time on to different processors. I was using PostgreSQL but since the data was on different server than the one I am running the code, it was slowing down the simulation due to connection overhead on PostgreSQL server. Then I switched to on-disk management software and so I chose SQLite. I first ran it without MPI on server, and it ran (compile g++). Then I switched to MPI (mpicc compiler), it is not even running for one node (on which I am using one thread). It gives error "Database or Disk is full". Further debugging revlealed that sqlite3_step() was returning 1 and that means "SQL error or Database missing". It was able to get the number of columns with the same database and SQL querry. I dont understand why I am getting this error.
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