CSIT Release Notes ================== Changes in CSIT |release| ------------------------- #. Added VPP performance tests - **Container Service Chain Topologies Orchestrated by K8s with VPP Memif** - Added tests with VPP vswitch in container connecting a number of VPP- in-container service chain topologies with L2 Cross-Connect and L2 Bridge-Domain configurations, orchestrated by Kubernetes. Added following forwarding topologies: i) "Parallel" with packets flowing from NIC via VPP to container and back to VPP and NIC; ii) "Chained" (a.k.a. "Snake") with packets flowing via VPP to container, back to VPP, to next container, back to VPP and so on until the last container in a chain, then back to VPP and NIC; iii) "Horizontal" with packets flowing via VPP to container, then via "horizontal" memif to next container, and so on until the last container, then back to VPP and NIC; - **MRR tests** - ; - **SRv6** - Initial SRv6 (Segment Routing IPv6) tests verifying performance of IPv6 and SRH (Segment Routing Header) encapsulation, decapsulation, lookups and rewrites based on configured End and End.DX6 SRv6 egress functions; #. Presentation and Analytics Layer - Added throughput speedup analysis for multi-core and multi-thread VPP tests into Presentation and Analytics Layer (PAL) for automated CSIT test results analysis; #. Other changes - **Framework optimizations** - Performance test duration improvements and stability; Performance Changes ------------------- Relative performance changes in measured packet throughput in CSIT |release| are calculated against the results from CSIT |release-1| report. Listed mean and standard deviation values are computed based on a series of the same tests executed against respective VPP releases to verify test results repeatibility, with percentage change calculated for mean values. Note that the standard deviation is quite high for a small number of packet throughput tests, what indicates poor test results repeatability and makes the relative change of mean throughput value not fully representative for these tests. The root causes behind poor results repeatibility vary between the test cases. NDR Throughput Changes ~~~~~~~~~~~~~~~~~~~~~~ NDR small packet throughput changes between releases are available in a CSV and pretty ASCII formats: - `csv format for 1t1c <../_static/vpp/performance-changes-ndr-1t1c-full.csv>`_, - `csv format for 2t2c <../_static/vpp/performance-changes-ndr-2t2c-full.csv>`_, - `pretty ASCII format for 1t1c <../_static/vpp/performance-changes-ndr-1t1c-full.txt>`_, - `pretty ASCII format for 2t2c <../_static/vpp/performance-changes-ndr-2t2c-full.txt>`_. PDR Throughput Changes ~~~~~~~~~~~~~~~~~~~~~~ NDR small packet throughput changes between releases are available in a CSV and pretty ASCII formats: - `csv format for 1t1c <../_static/vpp/performance-changes-pdr-1t1c-full.csv>`_, - `csv format for 2t2c <../_static/vpp/performance-changes-pdr-2t2c-full.csv>`_, - `pretty ASCII format for 1t1c <../_static/vpp/performance-changes-pdr-1t1c-full.txt>`_, - `pretty ASCII format for 2t2c <../_static/vpp/performance-changes-pdr-2t2c-full.txt>`_. Measured improvements are in line with VPP code optimizations listed in `VPP-18.01 release notes `_. MRR Throughput Changes ~~~~~~~~~~~~~~~~~~~~~~ MRR changes between releases are available in a CSV and pretty ASCII formats: - `csv format for 1t1c <../_static/vpp/performance-changes-mrr-1t1c-full.csv>`_, - `csv format for 2t2c <../_static/vpp/performance-changes-mrr-2t2c-full.csv>`_, - `csv format for 4t4c <../_static/vpp/performance-changes-mrr-4t4c-full.csv>`_, - `pretty ASCII format for 1t1c <../_static/vpp/performance-changes-mrr-1t1c-full.txt>`_, - `pretty ASCII format for 2t2c <../_static/vpp/performance-changes-mrr-2t2c-full.txt>`_, - `pretty ASCII format for 4t4c <../_static/vpp/performance-changes-mrr-4t4c-full.txt>`_. Known Issues ------------ Here is the list of known issues in CSIT |release| for VPP performance tests: +---+-------------------------------------------------+------------+-----------------------------------------------------------------+ | # | Issue | Jira ID | Description | +---+-------------------------------------------------+------------+-----------------------------------------------------------------+ | 1 | Vic1385 and Vic1227 low performance. | VPP-664 | Low NDR performance. | | | | | | +---+-------------------------------------------------+------------+-----------------------------------------------------------------+ | 2 | Sporadic (1 in 200) NDR discovery test failures | CSIT-570 | DPDK reporting rx-errors, indicating L1 issue. Suspected issue | | | on x520. | | with HW combination of X710-X520 in LF testbeds. Not observed | | | | | outside of LF testbeds. | +---+-------------------------------------------------+------------+-----------------------------------------------------------------+ | 3 | Lower than expected NDR throughput with | CSIT-571 | Suspected NIC firmware or DPDK driver issue affecting NDR and | | | xl710 and x710 NICs, compared to x520 NICs. | | PDR throughput. Applies to XL710 and X710 NICs. | +---+-------------------------------------------------+------------+-----------------------------------------------------------------+ | 4 | rls1801 plugin related performance regression | CSIT-925 | With all plugins loaded NDR, PDR and MaxRates vary | | | | | intermittently from 3% to 5% across multiple test executions. | | | | | Requires plugin code bisecting. | +---+-------------------------------------------------+------------+-----------------------------------------------------------------+ | 5 | rls1801 generic small performance regression | CSIT-926 | Generic performance regression of discovered NDR, PDR and | | | ip4base, l2xcbase, l2bdbase | | MaxRates of -3%..-1% vs. rls1710, affects ip4base, l2xcbase, | | | | | l2bdbase test suites. Not detected by CSIT performance trending | | | | | scheme as it was masked out by another issue CSIT-925. | +---+-------------------------------------------------+------------+-----------------------------------------------------------------+ | 6 | rls1801 substantial NDR/PDR regression for | CSIT-928 | NDR regression of -7%..-15%, PDR regression of -3%..-15% | | | IPSec tunnel scale with HW QAT crypto-dev | | compared to rls1710. | +---+-------------------------------------------------+------------+-----------------------------------------------------------------+