From 0 to 100: Fine-tune all the things!

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From 0 to 100: Fine-tune all the things! Pablo Guardiola Mapbox @Guardiola31337

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Mapbox Navigation SDK

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Mapbox Navigation SDK ● Maps ● Location Services

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Mapbox Navigation SDK ● Maps ● Location Services ● Routing

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Mapbox Navigation SDK ● Maps ● Location Services ● Routing ● Processing

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Track performance over time as changes land in the SDK.

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Which performance areas?

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Which performance areas? ● CPU

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Which performance areas? ● CPU ● RAM

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Which performance areas? ● CPU ● RAM ● Bandwidth

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Which performance areas? ● CPU ● RAM ● Bandwidth ● Battery

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Android Studio Proﬁler How does this help us?

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Android Studio Proﬁler How does this help us? ● Real-time, readable data

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Android Studio Proﬁler How does this help us? ● Real-time, readable data ● Session recording

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Android Studio Proﬁler How does this help us? ● Real-time, readable data ● Session recording ● Detailed analysis

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Android Studio Proﬁler How does this help us? ● Real-time, readable data ● Session recording ● Detailed analysis ● Initial signal

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Android Studio Proﬁler Does it solve our problem?

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Android Studio Proﬁler Does it solve our problem? ● Cannot download or send any recorded data

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Android Studio Proﬁler Does it solve our problem? ● Cannot download or send any recorded data ● Android Studio resource consumption

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Android Studio Proﬁler Does it solve our problem? ● Cannot download or send any recorded data ● Android Studio resource consumption ● API 21+

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Custom Test Rules How does this help us?

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Custom Test Rules How does this help us? ● Reproducible

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Custom Test Rules How does this help us? ● Reproducible ● Record and store data

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Custom Test Rules How does this help us? ● Reproducible ● Record and store data ● Device farm

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Custom Test Rules Does it solve our problem?

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Custom Test Rules Does it solve our problem? ● Needs reliable UI test

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Custom Test Rules Does it solve our problem? ● Needs reliable UI test ● Takes a lot of time

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Custom Test Rules Does it solve our problem? ● Takes a lot of time ● Needs reliable UI test ● dumpsys output isn’t easily parsed

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Custom Test Rules Does it solve our problem? ● Takes a lot of time ● Needs reliable UI test ● dumpsys output isn’t easily parsed ● Output data can be unreliable

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Production Telemetry How does this help us?

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Production Telemetry How does this help us? ● Signal from “real world” usage

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Production Telemetry How does this help us? ● Signal from “real world” usage ● Larger data pool

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Production Telemetry How does this help us? ● Signal from “real world” usage ● Larger data pool ● More devices

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Production Telemetry Does it solve our problem?

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Production Telemetry Does it solve our problem? ● Production environment

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Production Telemetry Does it solve our problem? ● Production environment ● Overhead of metric itself

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Production Telemetry Does it solve our problem? ● Production environment ● Overhead of metric itself ● Data consumption

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Production Telemetry Does it solve our problem? ● Production environment ● Overhead of metric itself ● Data consumption ● Data normalization

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Process

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Process Test suite

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Process Test suite @Rules Controlled routes Data generation

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Process Test suite @Rules Controlled routes Data generation Data processing

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Process Test suite @Rules Controlled routes Data generation Data processing Retrieve data Parse data Send data

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Process Test suite @Rules Controlled routes Data generation Data processing Retrieve data Parse data Send data Data analysis

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Process Test suite @Rules Controlled routes Data generation Data processing Retrieve data Parse data Send data Data analysis Query data Filter out data Present results

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Pipeline

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Pipeline Preparation

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Pipeline Preparation Trigger CI Pull SDK code Build SDK Assemble apps

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Pipeline Preparation Trigger CI Pull SDK code Build SDK AWS Device Farm Assemble apps

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Pipeline Preparation Trigger CI Pull SDK code Build SDK AWS Device Farm Assemble apps Upload apps Run tests Download artifacts Completed check

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Pipeline Preparation Trigger CI Pull SDK code Build SDK AWS Device Farm Assemble apps Upload apps Run tests Download artifacts Completed check Scripts

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Pipeline Preparation Trigger CI Pull SDK code Build SDK AWS Device Farm Assemble apps Upload apps Run tests Download artifacts Parse data Publish data Completed check Scripts

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Pipeline Preparation Trigger CI Pull SDK code Build SDK AWS Device Farm Assemble apps Upload apps Run tests Mode Download artifacts Parse data Publish data Completed check Scripts

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Pipeline Preparation Trigger CI Pull SDK code Build SDK AWS Device Farm Assemble apps Upload apps Run tests Mode Download artifacts Parse data Publish data Completed check SQL (Presto) Build reports Scripts

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What’s next?

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What’s next? ● More automation

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What’s next? ● More automation ● Triggers / Thresholds

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What’s next? ● More automation ● Triggers / Thresholds ● Feature ﬂags

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Performance Takeaways

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Performance Takeaways ● Important

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Performance Takeaways ● Important ● Tricky

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Performance Takeaways ● Important ● Tricky ● On-going eﬀort

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Performance Takeaways ● Important ● Tricky ● On-going eﬀort ● Good amount of data