project document improvement

JIRA: BOTTLENECK-88

Change-Id: I963502bb494bfb8773b312f038e9a1ea9902e56e
Signed-off-by: MatthewLi <matthew.lijun@huawei.com>

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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) Huawei Technologies Co.,Ltd and others.
+
+**************************************
+Bottlenecks Rubbos Installation Guide
+**************************************
+
+
+Rubbos Introduction
+====================
+Rubbos is a bulletin board benchmark modeled after an online news forum like Slashdot.
+It is an open source Middleware and an n-tier system model which
+is used to be deployed on multiple physical node
+to measure the whole performacne of OPNFV planform. for release B.
+Rubbos can deploy the Apache, tomcat, and DB.
+Based on the deployment, rubbos gives the pressure to the whole system.
+When the system reaches to the peak, the throughput will not grow more.
+This testcase can help to understand the bottlenecks of OPNFV plantform
+and improve the performance of OPNFV platform.
+
+Preinstall Packages
+====================
+There is a need to install some packages before running the rubbos,
+gcc, gettext, g++, libaio1, libaio-dev, make and git are necessary.
+When the rubbos runs on the OPNFV community continuous integration(CI)
+system, the required packages are installed automately as shown in the
+code repository, which is /utils/infra_setup/vm_dev_setup/packages.conf,
+besides, the packages can be encapsulated in the images initially.
+If someone wants to use rubbos locally, he/she has to install them by
+hand, such as in ubuntu 14.04,
+
+.. code-block:: bash
+
+    apt-get update
+    apt-get install gettext
+
+How does Rubbos Integrate into Installers
+=========================================
+1.Community CI System
+
+Rubbos has been successfully integrated into fuel and compass with NOSDN scenario
+in OPNFV community CI system.
+
+Heat is used to create 9 instances, which is shown in
+/utils/infra_setup/heat_template/HOT_create_instance.sh, the 9 instances are used
+for installing Apache, Tomcat, Mysql, Control, Benchmark and 4 Clients. The tools,
+such as rubbos, sysstat, oprofile, etc, are installed in these instances to perform
+the test, the test results are stored in the Benchmark instance initially, then they
+are copied to the Rubbos_result instance, finally, the test results are transferred to
+the community dashboard.
+
+There's a need to store our pakages as large as M bytes or G bytes size, such as
+the images, jdk, apache-ant, apache-tomcat, etc, the OPNFV community storage system,
+Google Cloud Storage, is used, the pakages can be downloaded from
+https://artifacts.opnfv.org/bottlenecks/rubbos.
+
+2.Local Deployment
+
+If someone wants to run the rubbos in his own environment, he/she can keep to the following steps,
+
+2.1 Start up instances by using heat, nova or libvert. In Openstack Environemnt,
+the heat script can refer /utils/infra_setup/heat_template/HOT_create_instance.sh,
+if the openstack doesn't support heat module,
+the script /utils/infra_setup/create_instance.sh can be used.
+Without Openstack, there's a way to set up instances by using libvert, the scripts are shown under
+the directory /utils/rubbos_dev_env_setup.
+
+The image can be downloaded from the community cloud storage
+
+.. code-block:: bash
+
+    curl --connect-timeout 10 -o bottlenecks-trusty-server.img
+         http://artifacts.opnfv.org/bottlenecks/rubbos/bottlenecks-trusty-server.img
+
+2.2 Ssh into the control node and clone the bottlenecks codes to the root directory.
+
+.. code-block:: bash
+
+    git clone https://git.opnfv.org/bottlenecks /bottlenecks
+
+2.3 Download the packages and decompress them into the proper directory.
+
+.. code-block:: bash
+
+    curl --connect-timeout 10 -o app_tools.tar.gz
+         http://artifacts.opnfv.org/bottlenecks/rubbos/app_tools.tar.gz
+    curl --connect-timeout 10 -o rubbosMulini6.tar.gz
+         http://artifacts.opnfv.org/bottlenecks/rubbos/rubbosMulini6.tar.gz
+
+.. code-block:: bash
+
+    tar zxf app_tools.tar.gz -C /bottlenecks/rubbos
+    tar zxf rubbosMulini6.tar.gz -C /bottlenecks/rubbos/rubbos_scripts
+
+2.4 Ssh into the Control node and run the script
+
+.. code-block:: bash
+
+    source /bottlenecks/rubbos/rubbos_scripts/1-1-1/scripts/run.sh
+
+2.5 Check the test results under the directory /bottlenecks/rubbos/rubbos_results in
+Control node. The results are stored in the format of xml,
+move them to the brower chrome, then you can see the results.
+
+Test Result Description
+=======================
+In OPNFV community, the result is shown in the following format
+
+::
+
+   [{'client': 200, 'throughput': 27},
+    {'client': 700, 'throughput': 102},
+    {'client': 1200, 'throughput': 177},
+    {'client': 1700, 'throughput': 252},
+    {'client': 2200, 'throughput': 323},
+    {'client': 2700, 'throughput': 399},
+    {'client': 3200, 'throughput': 473}]
+
+The results are transferred to the community database and a map is drawed on the dashboard.
+Along with the growth of the number of the client, the throughput grows at first, then meets
+up with a point of inflexion, which is caused by the bottlenecks of the measured system.