48 lines
1.3 KiB
ReStructuredText
48 lines
1.3 KiB
ReStructuredText
Scalpels
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========
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Scalpels is distributed tracing or digging system for OpenStack.
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Background
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==========
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OpenStack is made of multiple Python-based projects. Each project has similiar but different architecture. Scalpels gathers useful scripts or 3rd tools to help operator find what happen in your cloud.
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Contribute
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==========
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This project is prototype now and under development. If you have interests in this work, please contact @kun_huang, at #openstack-chinese channel.
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Mission
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=======
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Scalpels is kind of "debugfs" for OpenStack. It gathers data from number of tracers like proc or systemtap which could be used to quantize preformance under workloads.
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Single Node Architecture
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========================
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This type of deployment is used as POC in OpenStack community CI.
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.. image:: doc/source/images/allinone.png
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:alt: All-in-One deployment
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Multiple Node Architecture
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==========================
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This is under Designing:
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.. image:: doc/source/images/multiple.png
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:alt: Multiple deployment
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Agent-Tracer-Worker
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===================
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The relationship is:
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.. image:: doc/source/images/agent-tracer-worker.png
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:alt: agent-tracer-worker.png
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Ideas
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=====
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Each project will have scripts working:
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* on python calls
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* on sql queries
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* on filesystem I/O
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* on RPC calls if need
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* on necessary system calls
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* on common system statistics
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