DPDK: Low TCP throughput when non-DPDK VM running on DPDK compute
Bug #1618595 reported by
amit surana
This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | ||
---|---|---|---|---|---|---|
Juniper Openstack | Status tracked in Trunk | |||||
R3.1 |
Won't Fix
|
Medium
|
Raja Sivaramakrishnan | |||
R3.2 |
Won't Fix
|
High
|
Raja Sivaramakrishnan | |||
Trunk |
Fix Committed
|
High
|
amit surana |
Bug Description
TCP throughput from guest VM: 11Gbps (corresponding kernel mod: 20Gbps)
TCP throughput via VNF (service-chain): 3Gbps (corresponding kernel mod: 7Gbps)
TX errors are seen incrementing on tap interfaces.
tags: | added: performance |
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This should be fixed in 4.0 with the GRO/GSO changes. Can you please verify?