Li, I would suggest pasting your errors. It sounds like a separate issue from Staffan, and I know for sure it works in DPDK (never used SPDK), so I'd be curious to see what the problem is.
On Wed, Nov 17, 2021 at 11:13 PM Staffan Wiklund <staffan...@gmail.com> wrote: > Cliff, > > Many thanks for your help! > Mapping /var/run/dpdk into both containers as you said made it possible to > use the multi-process feature in Docker containers. > > Regards > Staffan > > Den tors 18 nov. 2021 kl 07:47 skrev Li Feng <fen...@smartx.com>: > >> On Thu, Nov 18, 2021 at 2:23 PM Cliff Burdick <shakl...@gmail.com> wrote: >> > >> > I don't remember that being a problem. Are you starting them with two >> different file prefixes and mounting the hugepages directory into both >> containers? >> > >> I'm running the spdk processes, so the hugepage files are created with >> prefix "spdk-<PID>", both containers are mounting the same >> /dev/hugepages. >> >> >> > >> > On Wed, Nov 17, 2021, 22:20 Li Feng <fen...@smartx.com> wrote: >> >> >> >> On Thu, Nov 18, 2021 at 2:11 PM Cliff Burdick <shakl...@gmail.com> >> wrote: >> >> > >> >> > Yes. Try mapping the dpdk metadata directory (/var/run/dpdk) into >> both containers from the host. You should be able to do the normal dual >> process methods. >> >> > >> >> By the way, if I want to run two separate dpdk processes in two >> >> different dockers, what should I do? >> >> e.g. Running two processes: examples/dpdk-mp_server >> >> These two dockers have mapped the same /dev/hugepages directories. >> >> I have tested, the dpdk will crash because the hugepages are mixed. >> >> >> >> Thanks. >> >> > >> >> > On Wed, Nov 17, 2021, 05:58 Staffan Wiklund <staffan...@gmail.com> >> wrote: >> >> >> >> >> >> Hello >> >> >> >> >> >> I wonder if it is possible to use the DPDK multi-process feature in >> Docker containers? >> >> >> >> >> >> That is, can a DPDK application execute in a Docker container and >> share its >> >> >> DPDK memory with another DPDK application executing in another >> Docker container >> >> >> using the DPDK multi-process feature? >> >> >> >> >> >> For example if the DPDK example mp_server executes in one Docker >> container: >> >> >> <build_dir>/examples/dpdk-mp_server -l 1-2 -n 4 -- -p 3 -n 2 >> >> >> >> >> >> and the DPDK example mp_client executes in another Docker container: >> >> >> >> >> >> <build_dir>/examples/dpdk-mp_client -l 3 -n 4 --proc-type=auto -- >> -n 0 >> >> >> >> >> >> Is this possible to implement? >> >> >> >> >> >> Thanks >> >> >> Staffan >> >> >> >> >> >> >> >
