[VPP-1659] [CSIT] VPP stops CLI and traffic when socket-per-numa is increased from default [DPDK]

[vvalderrv]

Description

VPP stops CLI and traffic when socket-per-numa is increased from default (16383). Sockets-per-numa must be increased with larger amount of interfaces and/or RXQs.

- The issue is happening only with DPDK base drivers not AVF. - With CSIT testbed we found the limit of 285,000 buffers before VPP stops processing traffic. - With CSIT testbed we found that changing limit causes CLI to stops working during traffic.

Attachments:

buffers_low.txt -> traffic working, cli working, but mbuf is too low for 8t4c and 4 interfaces, so lot of trashing (can be seen in sh buf).

buffers_high.txt -> traffic not working, cli not working during traffic.

Both tests, VPP is not crashing nor restarting, it is just silently ignoring traffic and preventing CLI during traffic in case of higher buffer count.

Assignee

Unassigned

Reporter

Peter Mikus

Comments

No comments.

Original issue: https://jira.fd.io/browse/VPP-1659