On 02-Dec-03, Rayson Ho wrote: > > Sending SIGSTOP is different from swapping the whole process to disk! > > All batch systems (SGE, PBS, LSF) can send SIGSTOP to the job, but > stopping the process still consumes the system resource. Eventually, > the swap partition will be used up by suspended jobs. Sure. OK, I misunderstood the question then, and checkpointing is indeed what's wanted. I have yet to see anyone write a properly checkpointable bioinformatics pipeline. Tim -- Dr Tim Cutts Informatics Systems Group Wellcome Trust Sanger Institute, Hinxton, Cambridge, CB10 1SA, UK