"create interface rdma" CLI has an num-rx-queues config
VLIB_CLI_COMMAND (rdma_create_command, static) = {
.path = "create interface rdma",
.short_help = "create interface rdma <host-if ifname> [name <name>]"
" [rx-queue-size <size>] [tx-queue-size <size>]"
" [num-rx-queues <size>]",
.function = rdma_create_command_fn,
};is that were you are setting it? DPDK config will not apply when you are using the native driver. Thanks, Chris. > On Oct 3, 2019, at 7:08 AM, Elias Rudberg <elias.rudb...@bahnhof.net> wrote: > > More info after investigating further: the issue seems related to the > fact that the RDMA plugin is available in 19.08, which did not exist in > 19.01. As a result, we no longer need the "make dpdk-install-dev > DPDK_MLX5_PMD=y DPDK_MLX5_PMD_DLOPEN_DEPS=n" complication when > building. The release notes for VPP 19.04 say "RDMA (ibverb) driver > plugin - MLX5 with multiqueue". > > For 19.01 we had configured "num-rx-queues" for each of the two > interfaces used, in the dpdk dev part of the startup.conf file. After > testing different choices for that it turns out that if we set "num-rx- > queues 1" for each interface, then 19.01 gets the same performance > problem that we see for 19.08 (i.e. only threads 0 and 1 can be used > efficiently for NAT). So it appears that the reason why our 19.01 > installation can use more NAT threads is that we have set larger "num- > rx-queues" values. For 19.08 however, the "num-rx-queues" values seem > to be ignored, presumably because the RDMA plugin is used. > > Is it correct that the dpdk dev num-rx-queues option is ignored when > the RDMA plugin is used? > > How can we add more queues or polling threads to RDMA interfaces so > that we can use more NAT workers? > > Best regards, > Elias > > > On Thu, 2019-10-03 at 07:28 +0000, Elias Rudberg wrote: >> As we are about to switch from VPP 19.01 to 19.08 we encountered a >> problem with NAT performance. We try to use the same settings (as far >> as possible) for 19.08 as we did for 19.01, on the same computer. >> >> [...] > > -=-=-=-=-=-=-=-=-=-=-=- > Links: You receive all messages sent to this group. > > View/Reply Online (#14105): https://lists.fd.io/g/vpp-dev/message/14105 > Mute This Topic: https://lists.fd.io/mt/34379814/1826170 > Group Owner: vpp-dev+ow...@lists.fd.io > Unsubscribe: https://lists.fd.io/g/vpp-dev/unsub [cho...@chopps.org] > -=-=-=-=-=-=-=-=-=-=-=-
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