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authorKubi <jean.gaoliang@huawei.com>2017-03-09 01:28:07 +0000
committerGerrit Code Review <gerrit@opnfv.org>2017-03-09 01:28:07 +0000
commit270d6092c809e8de039a08efd8c108f865cf860e (patch)
treef3ef32dd0639523a002cf32025d40bbabdcecd4c /docs/testing/user/userguide/opnfv_yardstick_tc071.rst
parent6fd6dd87fe4914b970d13e346194612fbc685e64 (diff)
parentfd54fcc22170aa880fc49730730ad80896e2e608 (diff)
Merge "Yardstick Preliminary Documentation"
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+.. This work is licensed under a Creative Commons Attribution 4.0 International
+.. License.
+.. http://creativecommons.org/licenses/by/4.0
+.. (c) OPNFV, Huawei Technologies Co.,Ltd and others.
+
+*************************************
+Yardstick Test Case Description TC071
+*************************************
+
+.. _cirros: https://download.cirros-cloud.net
+.. _pktgen: https://www.kernel.org/doc/Documentation/networking/pktgen.txt
+.. _cachestat: https://github.com/brendangregg/perf-tools/tree/master/fs
+
++-----------------------------------------------------------------------------+
+|Latency, Cache Utilization, Throughput, Packet Loss |
+| |
++--------------+--------------------------------------------------------------+
+|test case id | OPNFV_YARDSTICK_TC071_Latency, Cache Utilization, |
+| | Throughput,Packet Loss |
+| | |
++--------------+--------------------------------------------------------------+
+|metric | Number of flows, latency, throughput, Cache Utilization, |
+| | packet loss |
+| | |
++--------------+--------------------------------------------------------------+
+|test purpose | To evaluate the IaaS network performance with regards to |
+| | flows and throughput, such as if and how different amounts |
+| | of flows matter for the throughput between hosts on different|
+| | compute blades. Typically e.g. the performance of a vSwitch |
+| | depends on the number of flows running through it. Also |
+| | performance of other equipment or entities can depend |
+| | on the number of flows or the packet sizes used. |
+| | The purpose is also to be able to spot trends. |
+| | Test results, graphs and similar shall be stored for |
+| | comparison reasons and product evolution understanding |
+| | between different OPNFV versions and/or configurations. |
+| | |
++--------------+--------------------------------------------------------------+
+|configuration | file: opnfv_yardstick_tc071.yaml |
+| | |
+| | Packet size: 64 bytes |
+| | Number of ports: 1, 10, 50, 100, 300, 500, 750 and 1000. |
+| | The amount configured ports map from 2 up to 1001000 flows, |
+| | respectively. Each port amount is run two times, for 20 |
+| | seconds each. Then the next port_amount is run, and so on. |
+| | During the test Cache Utilization on both client and server, |
+| | and the network latency between the client and server are |
+| | measured. |
+| | The client and server are distributed on different HW. |
+| | For SLA max_ppm is set to 1000. |
+| | |
++--------------+--------------------------------------------------------------+
+|test tool | pktgen |
+| | |
+| | Pktgen is not always part of a Linux distribution, hence it |
+| | needs to be installed. It is part of the Yardstick Glance |
+| | image. |
+| | (As an example see the /yardstick/tools/ directory for how |
+| | to generate a Linux image with pktgen included.) |
+| | |
+| | ping |
+| | |
+| | Ping is normally part of any Linux distribution, hence it |
+| | doesn't need to be installed. It is also part of the |
+| | Yardstick Glance image. |
+| | (For example also a cirros_ image can be downloaded, it |
+| | includes ping) |
+| | |
+| | cachestat |
+| | |
+| | cachestat is not always part of a Linux distribution, hence |
+| | it needs to be installed. |
+| | |
++--------------+--------------------------------------------------------------+
+|references | Ping man pages |
+| | |
+| | pktgen_ |
+| | |
+| | cachestat_ |
+| | |
+| | ETSI-NFV-TST001 |
+| | |
++--------------+--------------------------------------------------------------+
+|applicability | Test can be configured with different packet sizes, amount |
+| | of flows and test duration. Default values exist. |
+| | |
+| | SLA (optional): max_ppm: The number of packets per million |
+| | packets sent that are acceptable to lose, not received. |
+| | |
++--------------+--------------------------------------------------------------+
+|pre-test | The test case image needs to be installed into Glance |
+|conditions | with pktgen included in it. |
+| | |
+| | No POD specific requirements have been identified. |
+| | |
++--------------+--------------------------------------------------------------+
+|test sequence | description and expected result |
+| | |
++--------------+--------------------------------------------------------------+
+|step 1 | The hosts are installed, as server and client. pktgen is |
+| | invoked and logs are produced and stored. |
+| | |
+| | Result: Logs are stored. |
+| | |
++--------------+--------------------------------------------------------------+
+|test verdict | Fails only if SLA is not passed, or if there is a test case |
+| | execution problem. |
+| | |
++--------------+--------------------------------------------------------------+