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Observability.tools.pdf
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Jérôme Vieilledent
December 08, 2022
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Observability.tools.pdf
Jérôme Vieilledent
December 08, 2022
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Transcript
Observability tools: who’s who? Jérôme Vieilledent Product Manager Developer Experience
17 November 2022 // SymfonyCon 2022
Observability? Observability is a measure of how well internal states
of a system can be inferred from knowledge of its external outputs https://en.wikipedia.org/wiki/Observability
Observability is a measure of how well internal states of
a system can be inferred from knowledge of its external outputs https://en.wikipedia.org/wiki/Observability Observability?
A system is a group of interacting or interrelated elements
that act according to a set of rules to form a unified whole https://en.wikipedia.org/wiki/System System
// Internal states https://www.flickr.com/p hotos/scoregasm/81461 20835/
// External output https://www.flickr.com/p hotos/lumachrome/5289 151812
Why observability? Learn from the states of your application //
None
None
Solving issues in production costs a lot more than solving
them in development
You cannot improve what you cannot measure. Web developers don’t
always have the right tools to understand the root cause of their application behavior.
Observability tools Different tools for different purposes //
// The blueprints https://www.flickr.com/ photos/gitarau/448003 7343
// Symfony insight https://insight.symfony.com/
// PHPStan https://phpstan.org/
// The black box https://www.flickr.com/ photos/zayzayem/5823 329618
None
Infrastructure metrics //
None
Application metrics //
// Blackfire metrics collection levels Metrics depth Monitoring Traces Extended
traces Profiling When and where
// Blackfire metrics collection levels Metrics depth Monitoring Traces Extended
traces Profiling Why
// Traces Traffic city scale (live)
// Extended traces Traffic city scale (live)
// Profiles Detailed road picture with advanced insights
// Actionable performance insights
Performance & stability matters Conclusion
Thank you! @jvieilledent @
[email protected]
https://github.com/lolautruche