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authorJing Lu <lvjing5@huawei.com>2017-08-26 06:15:09 +0000
committerGerrit Code Review <gerrit@opnfv.org>2017-08-26 06:15:09 +0000
commit952ccb549c08b620a35f20ae809e0cea88ae4d99 (patch)
tree4c858f7009618d75bbf7f97ae1d304f682fa5d3f /docs/testing/user/userguide/opnfv_yardstick_tc006.rst
parent4db701fdc4da663b0b61d9930777a2201b315f8f (diff)
parent32d76aa37d964580b3251eb2bbf8690a7a936167 (diff)
Merge "Test case: Fio volume benchmark testcase using job file"
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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 TC006
+*************************************
+
+.. _fio: http://bluestop.org/files/fio/HOWTO.txt
+
++-----------------------------------------------------------------------------+
+|Volume storage Performance |
+| |
++--------------+--------------------------------------------------------------+
+|test case id | OPNFV_YARDSTICK_TC006_VOLUME STORAGE PERFORMANCE |
+| | |
++--------------+--------------------------------------------------------------+
+|metric | IOPS (Average IOs performed per second), |
+| | Throughput (Average disk read/write bandwidth rate), |
+| | Latency (Average disk read/write latency) |
+| | |
++--------------+--------------------------------------------------------------+
+|test purpose | The purpose of TC006 is to evaluate the IaaS volume storage |
+| | performance with regards to IOPS, throughput and latency. |
+| | |
+| | The purpose is also to be able to spot the trends. |
+| | Test results, graphs and similar shall be stored for |
+| | comparison reasons and product evolution understanding |
+| | between different OPNFV versions and/or configurations. |
+| | |
++--------------+--------------------------------------------------------------+
+|test tool | fio |
+| | |
+| | fio is an I/O tool meant to be used both for benchmark and |
+| | stress/hardware verification. It has support for 19 |
+| | different types of I/O engines (sync, mmap, libaio, |
+| | posixaio, SG v3, splice, null, network, syslet, guasi, |
+| | solarisaio, and more), I/O priorities (for newer Linux |
+| | kernels), rate I/O, forked or threaded jobs, and much more. |
+| | |
+| | (fio is not always part of a Linux distribution, hence it |
+| | needs to be installed. As an example see the |
+| | /yardstick/tools/ directory for how to generate a Linux |
+| | image with fio included.) |
+| | |
++--------------+--------------------------------------------------------------+
+|test | fio test is invoked in a host VM with a volume attached on a |
+|description | compute blade, a job file as well as parameters are passed |
+| | to fio and fio will start doing what the job file tells it |
+| | to do. |
+| | |
++--------------+--------------------------------------------------------------+
+|configuration | file: opnfv_yardstick_tc006.yaml |
+| | |
+| | Fio job file is provided to define the benchmark process |
+| | Target volume is mounted at /FIO_Test directory |
+| | |
+| | For SLA, minimum read/write iops is set to 100, |
+| | minimum read/write throughput is set to 400 KB/s, |
+| | and maximum read/write latency is set to 20000 usec. |
+| | |
++--------------+--------------------------------------------------------------+
+|applicability | This test case can be configured with different: |
+| | |
+| | * Job file; |
+| | * Volume mount directory. |
+| | |
+| | SLA is optional. The SLA in this test case serves as an |
+| | example. Considerably higher throughput and lower latency |
+| | are expected. However, to cover most configurations, both |
+| | baremetal and fully virtualized ones, this value should be |
+| | possible to achieve and acceptable for black box testing. |
+| | Many heavy IO applications start to suffer badly if the |
+| | read/write bandwidths are lower than this. |
+| | |
++--------------+--------------------------------------------------------------+
+|usability | This test case is one of Yardstick's generic test. Thus it |
+| | is runnable on most of the scenarios. |
+| | |
++--------------+--------------------------------------------------------------+
+|references | fio_ |
+| | |
+| | ETSI-NFV-TST001 |
+| | |
++--------------+--------------------------------------------------------------+
+|pre-test | The test case image needs to be installed into Glance |
+|conditions | with fio included in it. |
+| | |
+| | No POD specific requirements have been identified. |
+| | |
++--------------+--------------------------------------------------------------+
+|test sequence | description and expected result |
+| | |
++--------------+--------------------------------------------------------------+
+|step 1 | A host VM with fio installed is booted. |
+| | A 200G volume is attached to the host VM |
+| | |
++--------------+--------------------------------------------------------------+
+|step 2 | Yardstick is connected with the host VM by using ssh. |
+| | 'job_file.ini' is copyied from Jump Host to the host VM via |
+| | the ssh tunnel. The attached volume is formated and mounted. |
+| | |
++--------------+--------------------------------------------------------------+
+|step 3 | Fio benchmark is invoked. Simulated IO operations are |
+| | started. IOPS, disk read/write bandwidth and latency are |
+| | recorded and checked against the SLA. Logs are produced and |
+| | stored. |
+| | |
+| | Result: Logs are stored. |
+| | |
++--------------+--------------------------------------------------------------+
+|step 4 | The host VM is deleted. |
+| | |
++--------------+--------------------------------------------------------------+
+|test verdict | Fails only if SLA is not passed, or if there is a test case |
+| | execution problem. |
+| | |
++--------------+--------------------------------------------------------------+