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.. This work is licensed under a Creative Commons Attribution 4.0 International License.
.. http://creativecommons.org/licenses/by/4.0
==========================
Inspector Design Guideline
==========================
.. NOTE::
This is spec draft of design guideline for inspector component.
JIRA ticket to track the update and collect comments: `DOCTOR-73`_.
This document summarize the best practise in designing a high performance
inspector to meet the requirements in `OPNFV Doctor project`_.
Problem Description
===================
Some pitfalls has be detected during the development of sample inspector, e.g.
we suffered a significant `performance degrading in listing VMs in a host`_.
A `patch set for caching the list`_ has been committed to solve issue. When a
new inspector is integrated, it would be nice to have an evaluation of existing
design and give recommendations for improvements.
This document can be treated as a source of related blueprints in inspector
projects.
Guidelines
==========
Host specific VMs list
----------------------
TBD, see `DOCTOR-76`_.
Parallel execution
------------------
TBD, see `discussion in mailing list`_.
.. _DOCTOR-73: https://jira.opnfv.org/browse/DOCTOR-73
.. _OPNFV Doctor project: https://wiki.opnfv.org/doctor
.. _performance degrading in listing VMs in a host: https://lists.opnfv.org/pipermail/opnfv-tech-discuss/2016-September/012591.html
.. _patch set for caching the list: https://gerrit.opnfv.org/gerrit/#/c/20877/
.. _DOCTOR-76: https://jira.opnfv.org/browse/DOCTOR-76
.. _discussion in mailing list: https://lists.opnfv.org/pipermail/opnfv-tech-discuss/2016-October/013036.html
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