Changing the world with ZeroVM and Swift
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ZeroVM is a secure execution environment that allows users to run applications in isolation. It is based on Google's Native Client and includes a runtime environment called ZRT that provides a subset of POSIX APIs. ZeroVM has very low overhead and fast startup times compared to traditional VMs and containers. The document discusses how ZeroVM could be embedded in OpenStack Swift to enable distributed computing on Swift storage nodes, such as for video transcoding, log searching, and distributed SQL.
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Changing the world with ZeroVM and Swift
- 1. Bringing the application to the data Changing the world with ZeroVM and Swift
- 2. The Genesis
- 3. RACKSPACE® HOSTING | WWW.RACKSPACE.COM Google Native Client (NaCl) • Created for enabling safe client-side execution of code for Chromium • Combines memory segmentation with run-time disassembly • Near-native run speeds – much faster than inline instruction checking 3
- 5. RACKSPACE® HOSTING | WWW.RACKSPACE.COM The (sort of) Plain English Description ZeroVM creates a secure isolated execution environment that allows users to run a single application or program. Service providers can leverage ZeroVM to allow their users to run applications inside of multi-tenant systems.
- 6. RACKSPACE® HOSTING | WWW.RACKSPACE.COM Some Technical Details • Based on the Chromium Native Client (NaCl) project • Leverages ZeroMQ ZBroker (networked named pipes) • Includes a full compiler toolchain • ZRT provides a subset of the POSIX API • ZRT also includes a port of the CPython interpreter
- 7. RACKSPACE® HOSTING | WWW.RACKSPACE.COM NaCl vs ZeroVM • ZeroVM retains the same restrictions as NaCl • ZeroVM retains the disassembly checking • ZeroVM comes with its own runtime environment: ZRT • Files represent input and output in true UNIX fashion 8
- 8. RACKSPACE® HOSTING | WWW.RACKSPACE.COM ZeroVM Threads Concurrency NICs Filesystems 1 0 0 0
- 9. RACKSPACE® HOSTING | WWW.RACKSPACE.COM ZeroVM Principles Small, Light, Fast Functional Open Source Secure Hyper-Scalable Embeddable
- 11. RACKSPACE® HOSTING | WWW.RACKSPACE.COM The path to abstraction
- 12. RACKSPACE® HOSTING | WWW.RACKSPACE.COM VM vs. Container vs. ZeroVM Traditional VM Shared Hardware Dedicated Kernel/OS High Overhead Slow Startup (minutes) Security model ZeroVM Shared Hardware No Kernel/OS Very Low Overhead Very Fast Startup (microseconds) Security model Container Shared Hardware Shared Kernel/OS Low Overhead Fast Startup (seconds) Security model
- 13. Embedding ZeroVM in Openstack Swift
- 14. RACKSPACE® HOSTING | WWW.RACKSPACE.COM An Artificial Problem Storage Compute
- 15. RACKSPACE® HOSTING | WWW.RACKSPACE.COM Simplified Swift Architecture Proxy Node Proxy Node Proxies… Storage Node Storage Node Storage Node Storage Node Storage Node Storage Node Storage Nodes …
- 16. RACKSPACE® HOSTING | WWW.RACKSPACE.COM Simplified Swift Architecture with ZeroVM Proxy Node Proxy Node Proxies… Storage Node Storage Node Storage Node Storage Node Storage Node Storage Node Storage Nodes … ZVMZVMZVM ZVM ZVMZVM ZVM ZVMZVM ZVM
- 17. RACKSPACE® HOSTING | WWW.RACKSPACE.COM Detailed Architecture Diagram
- 18. RACKSPACE® HOSTING | WWW.RACKSPACE.COM Using Zerocloud 19 $ zpm new $ zpm bundle $ zpm deploy wordcount mrwordcount.zapp $ zpm execute wordcount mrwordcount.zapp execution: groups: - name: "mrwordcount" path: file://python2.7:python args: "mrwordcount.py" connect: ["reducer"] devices: - name: python2.7 - name: stdout - name: input path: "swift://~/shakespeare/*.txt”
- 19. Use Cases
- 20. RACKSPACE® HOSTING | WWW.RACKSPACE.COM Video Transcoding 21RACKSPACE® HOSTING | WWW.RACKSPACE.COM
- 21. RACKSPACE® HOSTING | WWW.RACKSPACE.COM Log searching 22RACKSPACE® HOSTING | WWW.RACKSPACE.COM
- 22. RACKSPACE® HOSTING | WWW.RACKSPACE.COM Distributed SQL 23RACKSPACE® HOSTING | WWW.RACKSPACE.COM
- 23. RACKSPACE® HOSTING | WWW.RACKSPACE.COM Go play http://github.com/zerovm http://zerovm.org http://zebra.zerovm.org
- 24. RACKSPACE® HOSTING | © RACKSPACE US, INC. | RACKSPACE® AND FANATICAL SUPPORT® ARE SERVICE MARKS OF RACKSPACE US, INC. REGISTERED IN TH E UNITED STATES AND OTHER COUNTRIES. | WWW.RACKSPACE.COM RACKSPACE® HOSTING | Level 4, 210 George Street | Sydney, NSW 2000 Phone: 1-800-722577 | www.rackspace.com.au