I think this is https://github.com/JuliaLang/julia/issues/10390

On Wed, 2016-10-12 at 21:15, li...@ualberta.ca wrote:
> Hello,
>
> I am a problem when I use pmap function to do parallel computing on a 48
> cores workstation. The workstation has Linux system. I am using a recent
> updated julia-0.4.5. I downloaded the binary version and set up path to bin
> file to call Julia.
>
> It is fine to do
>
> julia abc.jl
>
> However, when I did following,
>
> julia -p 16 abc.jl
>
> Error: Could not allocate pools
>
> Then I type,
>
> ulimit -a
>
> [linan@pd-srv-msa-01 ~]$ ulimit -a
> core file size          (blocks, -c) 0
> data seg size           (kbytes, -d) unlimited
> scheduling priority             (-e) 0
> file size               (blocks, -f) unlimited
> pending signals                 (-i) 1390380
> max locked memory       (kbytes, -l) 64
> max memory size         (kbytes, -m) unlimited
> open files                      (-n) 1024
> pipe size            (512 bytes, -p) 8
> POSIX message queues     (bytes, -q) 819200
> real-time priority              (-r) 0
> stack size              (kbytes, -s) 10240
> cpu time               (seconds, -t) unlimited
> max user processes              (-u) 1024
> virtual memory          (kbytes, -v) unlimited
> file locks                      (-x) unlimited
>
> Could you please let me know where this problem come from and how to solve
> this problem?
>
> Thanks very much.
>
> Linan

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