parallel code execution on MATLAB cluster

As I run a code on a cluster using spmd, sometimes a worker gets disconnected and the execution stops. In another instance, the job became 'queued' after running for multiple hours and then eventually the execution stopped. What could be potential reasons for these?

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Are you using Linux? Could you cofirm the maximum process is sufficient?
ulimit -a

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Asked:

on 10 Jan 2018

Commented:

on 11 Jan 2018

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