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authorliang gao <jean.gaoliang@huawei.com>2016-08-09 09:40:58 +0000
committerGerrit Code Review <gerrit@172.30.200.206>2016-08-09 09:40:58 +0000
commit9cc0b04973636e85b1d5a618dee4264cec62084c (patch)
tree9a06d0824448de0fa0caf5684030b8e790e04828 /docs/userguide/opnfv_yardstick_tc004.rst
parent4b4b0d41040fbd66be92a4aa4d53c6e7692f0c77 (diff)
parenta1e399c6e9b2a4fa998be08a1161ba1cd6e8e637 (diff)
Merge "Add test case description and modify task file for TC004"
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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 TC004
+*************************************
+
+.. _cachestat: https://github.com/brendangregg/perf-tools/tree/master/fs
+
++-----------------------------------------------------------------------------+
+|Cache Utilization |
+| |
++--------------+--------------------------------------------------------------+
+|test case id | OPNFV_YARDSTICK_TC004_Cache Utilization |
+| | |
++--------------+--------------------------------------------------------------+
+|metric | Cache Utilization |
+| | |
++--------------+--------------------------------------------------------------+
+|test purpose | To evaluate the IaaS compute capability with regards to |
+| | cache utilization.This test case should be run in parallel |
+| | to other Yardstick test cases and not run as a stand-alone |
+| | test case. |
+| | Measure the cache usage statistics including cache hit, |
+| | cache miss, hit ratio, page cache size and page cache size. |
+| | Both average and maximun values are obtained. |
+| | 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: cachestat.yaml (in the 'samples' directory) |
+| | |
+| | * interval: 1 - repeat, pausing every 1 seconds in-between. |
+| | |
++--------------+--------------------------------------------------------------+
+|test tool | cachestat |
+| | |
+| | cachestat is not always part of a Linux distribution, hence |
+| | it needs to be installed. |
+| | |
++--------------+--------------------------------------------------------------+
+|references | cachestat_ |
+| | |
+| | ETSI-NFV-TST001 |
+| | |
++--------------+--------------------------------------------------------------+
+|applicability | Test can be configured with different: |
+| | |
+| | * interval; |
+| | * runner Duration. |
+| | |
+| | There are default values for each above-mentioned option. |
+| | Run in background with other test cases. |
+| | |
++--------------+--------------------------------------------------------------+
+|pre-test | The test case image needs to be installed into Glance |
+|conditions | with cachestat included in the image. |
+| | |
+| | No POD specific requirements have been identified. |
+| | |
++--------------+--------------------------------------------------------------+
+|test sequence | description and expected result |
+| | |
++--------------+--------------------------------------------------------------+
+|step 1 | The host is installed as client. The related TC, or TCs, is |
+| | invoked and cachestat logs are produced and stored. |
+| | |
+| | Result: logs are stored. |
+| | |
++--------------+--------------------------------------------------------------+
+|test verdict | None. Cache utilization results are fetched and stored. |
+| | |
++--------------+--------------------------------------------------------------+