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-rw-r--r--conf/04_vnf.conf6
1 files changed, 5 insertions, 1 deletions
diff --git a/conf/04_vnf.conf b/conf/04_vnf.conf
index dcdf3316..e0c72b10 100644
--- a/conf/04_vnf.conf
+++ b/conf/04_vnf.conf
@@ -150,11 +150,15 @@ GUEST_CORE_BINDING = [('#EVAL(6+2*#VMINDEX)', '#EVAL(7+2*#VMINDEX)')]
# using Vanilla OVS without enabling switch multi-queue.
GUEST_NIC_QUEUES = [0]
+# Disable VHost user guest NIC merge buffers by enabling the below setting. This
+# can improve performance when not using Jumbo Frames.
+GUEST_NIC_MERGE_BUFFERS_DISABLE = [True]
+
# Virtio-Net vhost thread CPU mapping. If using vanilla OVS with virtio-net,
# you can affinitize the vhost-net threads by enabling the below setting. There
# is one vhost-net thread per port per queue so one guest with 2 queues will
# have 4 vhost-net threads. If more threads are present than CPUs given, the
-# affinitize will overlap CPUs.
+# affinitize will overlap CPUs in a round robin fashion.
VSWITCH_VHOST_NET_AFFINITIZATION = False
VSWITCH_VHOST_CPU_MAP = [4,5,8,11]