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A tool to load OpenStack clouds end to end in both control plane and data plane.
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Yichen Wang 00ca0da14e Feature commit to support storage testing on ephemeral disk 
1. Feature commit to support storage testing on ephemeral disk;
2. Default the disk size to 0;
3. Update to fio-2.8 in KloudBuster image;

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2016-03-21 17:39:59 -07:00
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README.rst

Overview

How good is your OpenStack data or storage plane under real heavy load?

KloudBuster is a tool that can load the data or storage plane of any OpenStack cloud at massive scale and can measure how well the cloud behaves under load.

Anybody with very basic knowledge of OpenStack, data plane and storage performance concepts can use the tool and get scale numbers for any OpenStack cloud straight off the box wth pre-defined default workloads.

Features

  • Neutron configuration agnostic (any encapsulation, any overlay, any plugin)
  • OpenStack Storage backend agnostic
  • User can specify any number of tenants, routers, networks, VM instances (only limited by cloud capacity) and KloudBuster will stage all these resources in a way that makes sense for operational usage
  • Real VM-level performance and scale numbers (not bare metal)
  • Punishing scale (thousands of VMs and enough load to fill even the fastest NIC cards or load any storage cluster with ease - if your cloud can even support that much)
  • Data plane with HTTP traffic load:
    • Can load the data plane with one OpenStack cloud (single-cloud operations for L3 East-West scale) or 2 OpenStack clouds (dual-cloud operations with one cloud hosting the HTTP servers and the other loading HTTP traffic for L3 North-South scale testing)
    • Real HTTP servers (Nginx) running in real Linux images (Ubuntu 14.04)
    • Can specify any number of HTTP servers per tenant (as many as your cloud can handle)
    • High performance and highly scalable HTTP traffic generators to simulate huge number of HTTP users and TCP connections (hundreds of thousands to millions of concurrent and active connections)
    • Overall throughput aggegation and loss-less latency aggregation for every single HTTP request (typically millions per run) using the open source HdrHistogram library
    • Traffic shaping to specify on which links traffic should flow
    • Can support periodic reporting and aggregation of results
  • Storage load:
    • VM-level Cinder volume file I/O using FIO running inside VMs (not bare metal)
    • Supports random amd sequential file access mode
    • Supports read, write and read/write mix
    • IOPs, bandwitdh and loss-less latency aggregation
    • User configurable storage workload profiles
  • Supports automated scale progressions (VM count series in any multiple increment)
  • Highly efficient and scalable metric aggregation
  • Automatic cleanup upon termination (can be disabled)
  • Manual cleanup script
  • KloudBuster Web Server with Web UI to drive scale test from your browser
  • KloudBuster REST Server allows external programs to drive scale automation using REST
  • Aggregated results provide an easy to understand way to assess the scale of the cloud under test
  • KloudBuster VM image pre-built and available from the OpenStack Community App Catalog (https://apps.openstack.org/)

Limitations

  • Requires Neutron networking (does not support Nova networking)
  • Only supports HTTP and storage traffic in this version

Contributions and Feedbacks

If you are interested in OpenStack Performance and Scale, contributions and feedbacks are welcome!

If you have any feedbacks or would like to make small or large contributions, simply send an email to openstack-dev@lists.openstack.org with a '[kloudbuster]' tag in the subject.

Licensing

KloudBuster is licensed under the Apache License, Version 2.0 (the "License"). You may not use this tool except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

KloudBuster VM images contain multiple open source license components:

Although the VM image includes a binary copy of the FIO code, it does not include the source code used to build it. In accordance to the GPL V2 license related to the inclusion of binary copies of FIO, the source code used to build the binary copy was not modified and can be found directly at https://github.com/axboe/fio.

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