Move storage-qpi proposal to devguide

Change-Id: I91402f15ac3fafce112c2568e0e3b8b3464ba1d5
Signed-off-by: Yujun Zhang <zhang.yujunz@zte.com.cn>

1 files changed, 0 insertions, 112 deletions

diff --git a/docs/proposal/storage-qpi.rst b/docs/proposal/storage-qpi.rst
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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) 2017 ZTE Corp.
-
-
-***********
-Storage QPI
-***********
-
-The storage QPI gives user an overall score for storage performance.
-
-The measurement is done by `StorPerf`_.
-
-.. _StorPerf: https://wiki.opnfv.org/display/storperf
-
-System Information
-==================
-
-System Information are environmental parameters and factors may affect storage performance:
-
-+--------------------------------+-------------------------------------------------+-----------------------------------------------------------------------------+
-| System Factors                 | Detail                                          | Extraction Method                                                           |
-+--------------------------------+-------------------------------------------------+-----------------------------------------------------------------------------+
-| Ceph Node List                 | List of nodes which has ceph-osd roles.         | Getting from return result of installer node list CLI command.              |
-|                                | For example [node-2, node-3, node-4].           |                                                                             |
-+--------------------------------+-------------------------------------------------+-----------------------------------------------------------------------------+
-| Ceph Client RDB Cache Mode     | Values: "None", "write-through", "write-back".  | Getting from value of "rbd cache" and "rbd cache max dirty" keys            |
-|                                |                                                 | in client section of ceph configuration; To enable write-through mode,      |
-|                                |                                                 | set rbd cache max dirty to 0.                                               |
-+--------------------------------+-------------------------------------------------+-----------------------------------------------------------------------------+
-| Ceph Client RDB Cache Size     | The RBD cache size in bytes. Default is 32 MiB. | Getting from value of "rdb cache size" key in client section                |
-|                                |                                                 | of ceph configuration.                                                      |
-+--------------------------------+-------------------------------------------------+-----------------------------------------------------------------------------+
-| Ceph OSD Tier Cache Mode       | Values: "None", "Write-back", "Readonly".       | Getting from ceph CLI "ceph report" output info.                            |
-+--------------------------------+-------------------------------------------------+-----------------------------------------------------------------------------+
-| Use SSD Backed OSD Cache       | Values: "Yes", "No".                            | Getting from POD description and CEPH CLI "ceph-disk list" output info.     |
-+--------------------------------+-------------------------------------------------+-----------------------------------------------------------------------------+
-| Use SSD For Journal            | Values: "Yes", "No".                            | Getting from POD description and CEPH CLI "ceph-disk list" output info.     |
-+--------------------------------+-------------------------------------------------+-----------------------------------------------------------------------------+
-| Ceph Cluster Network Bandwidth | Values: "1G", "10G", "40G".                     | Getting from physical interface information in POD description,             |
-|                                |                                                 | "ifconfig" output info on ceph osd node,                                    |
-|                                |                                                 | and value of "cluster network" key in global section of ceph configuration. |
-+--------------------------------+-------------------------------------------------+-----------------------------------------------------------------------------+
-
-Test Condition
-==============
-
-+-----------------------------+------------------------------------------+-------------------------------------------------------------+
-| Test Condition              | Detail                                   | Extraction Method                                           |
-+-----------------------------+------------------------------------------+-------------------------------------------------------------+
-| Number of Testing VMs       | Number of VMs which are created,         | It equals the number of Cinder nodes of the SUT.            |
-|                             | during running Storperf test case.       |                                                             |
-+-----------------------------+------------------------------------------+-------------------------------------------------------------+
-| Distribution of Testing VMS | Number of VMs on each computer node,     | Recording the distribution  when runing Storperf test case. |
-|                             | for example [(node-2: 1), (node-3: 2))]. |                                                             |
-+-----------------------------+------------------------------------------+-------------------------------------------------------------+
-
-Baseline
-========
-
-Baseline is established by testing with a set of work loads:
-
-- `Queue depth`_ (1, 2, 8)
-- `Block size`_ (2KB, 8KB, 16KB)
-- `Read write`_
-  - sequential read
-  - sequential write
-  - random read
-  - random write
-  - random mixed read write 70/30
-
-.. _Queue depth: http://fio.readthedocs.io/en/latest/fio_man.html#cmdoption-arg-iodepth
-.. _Block size: http://fio.readthedocs.io/en/latest/fio_man.html#cmdoption-arg-blocksize
-.. _Read write: http://fio.readthedocs.io/en/latest/fio_man.html#cmdoption-arg-readwrite
-
-Metrics
-=======
-
-- Throughput: data transfer rate
-- IOPS: I/O operations per second
-- Latency: response time
-
-Workload Scores
-===============
-
-For each test run, if an equivalent work load in baseline is available, a score will be calculated by comparing the
-result to baseline.
-
-Section Scores
-==============
-
-+-----------------+--------------------------------------------------------+-----------------------------------------+
-| Section         | Detail                                                 | Indication                              |
-+=================+========================================================+=========================================+
-| IOPS            | Read write I/O Operation per second under steady state | Important for frequent storage access   |
-|                 | Workloads : random read/write                          | such as event sinks                     |
-+-----------------+--------------------------------------------------------+-----------------------------------------+
-| Throughput      | Read write data transfer rate under steady state       | Important for high throughput services  |
-|                 | Workloads: sequential read/write, block size 16KB      | such as video server                    |
-+-----------------+--------------------------------------------------------+-----------------------------------------+
-| Latency         | Average response latency under steady state            | Important for real time applications    |
-|                 | Workloads: all                                         |                                         |
-+-----------------+--------------------------------------------------------+-----------------------------------------+
-
-Section score is the `geometric mean <https://en.wikipedia.org/wiki/Geometric_mean>`_ of all
-workload score.
-
-Storage QPI
-===========
-
-Storage QPI is the `weighted arithmetic mean <https://en.wikipedia.org/wiki/Weighted_arithmetic_mean>`_ of all section
-scores.