Re: [ovs-discuss] ovs_dpdk: dpdk-socket-mem usage question

2017-09-20 Thread 王志克
Thanks Billy. I will tune it during my test while trying to reading related code to understand the logic. Br, Wang Zhike -Original Message- From: O Mahony, Billy [mailto:billy.o.mah...@intel.com] Sent: Tuesday, September 19, 2017 9:07 PM To: 王志克; ovs-...@openvswitch.org;

Re: [ovs-discuss] ovs_dpdk: dpdk-socket-mem usage question

2017-09-19 Thread O Mahony, Billy
Hi Wang, Typically I reserve between 512M and 1G on each Numa. There is no formula I am aware of for how much memory is actually required. Fundamentally this will be determined by the maximum number and size of packets in-flight at any given time. Which is determined by the ingress packet

[ovs-discuss] ovs_dpdk: dpdk-socket-mem usage question

2017-09-12 Thread 王志克
Hi All, I read below doc, and have one question: http://docs.openvswitch.org/en/latest/intro/install/dpdk/ dpdk-socket-mem Comma separated list of memory to pre-allocate from hugepages on specific sockets. Question: OVS+DPDK can let user to specify the needed memory using dpdk-socket-mem.