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crash fast - square's approach to android crashes

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Crash Fast Square’s approach to Android crashes Pierre-Yves Ricau / @Piwai

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Page 1: Crash Fast - Square's approach to Android crashes

Crash Fast Square’s approach to

Android crashes

Pierre-Yves Ricau / @Piwai

Page 2: Crash Fast - Square's approach to Android crashes
Page 3: Crash Fast - Square's approach to Android crashes
Page 4: Crash Fast - Square's approach to Android crashes
Page 5: Crash Fast - Square's approach to Android crashes
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Page 8: Crash Fast - Square's approach to Android crashes
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Fixing requires reproducing

Page 13: Crash Fast - Square's approach to Android crashes

Support

Static info

Page 14: Crash Fast - Square's approach to Android crashes

History: high level log

Page 15: Crash Fast - Square's approach to Android crashes

Current state

Page 16: Crash Fast - Square's approach to Android crashes
Page 17: Crash Fast - Square's approach to Android crashes
Page 18: Crash Fast - Square's approach to Android crashes
Page 19: Crash Fast - Square's approach to Android crashes

Heap

Bitmap

Page 20: Crash Fast - Square's approach to Android crashes

Heapdump

Page 21: Crash Fast - Square's approach to Android crashes

Dev crash handler

Page 22: Crash Fast - Square's approach to Android crashes
Page 23: Crash Fast - Square's approach to Android crashes

WIP: detecting leaks

Page 24: Crash Fast - Square's approach to Android crashes
Page 25: Crash Fast - Square's approach to Android crashes

Exception =

something unexpected happened

Page 26: Crash Fast - Square's approach to Android crashes

Defensive programming

Page 27: Crash Fast - Square's approach to Android crashes

Offensive programming

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Crash fast

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Page 30: Crash Fast - Square's approach to Android crashes

• Integration tests • Manual tests • Internal release • Beta • Progressive Rollout

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• Reproducing => fixing • Static info + history + state • Crash Fast • Progressive rollout

Page 34: Crash Fast - Square's approach to Android crashes

Questions?

cash.me/$hit !

@Piwai

http://cash.me/$hit

SECTION 2. CRASHES & PERSONS IN CRASHES...Crash Injury Severity & Number of Vehicles Involved Number of Vehicles Injury Severity Fatal Incapacitating Non-incapacitating Possible None

Traffic Crash Statistics Report 2007lic.abateflorida.com/Library/Library/2007-DMVreport.pdf · Crash Rates for Florida Resident Drivers in Crashes by Age Groups 16 ... County Data

Teen Driving and Motor Vehicle Crashes. Crash Statistics 2006 – Over 43,000 Killed In Crashes Nationwide 2006 – Over 43,000 Killed In Crashes Nationwide

SECTION 2. CRASHES & PERSONS IN CRASHES...crash report form, every driver in a crash is assigned a contributing factor for the crash. If a driver is not at fault, ^No Improper Action

Density Map of All Crashes in Farmington, 2017 · 2018-12-13 · Density Map of All Crashes in Farmington, 2017 B U T L E R Legend ± Crash Density Areas Crash Locations, 2017 0 0.7

2001 FLORIDA TRAFFIC CRASH STATISTICS · 2018-05-29 · 2001 FLORIDA TRAFFIC CRASH STATISTICS Traffic crashes 256,169 Drivers Involved 381,799 Average crashes per day 704 Mileage

MDOT MI Transportation Plan, Highway Safety Technical Report …€¦ · to motor vehicle crashes. Crash statistics for fatalities, injuries, crashes, and fatality rates during 1996

Road Departure Crashes & High Crash Corridors/High Crash Locations · 2013-10-28 · High-Crash Corridors/High Crash Locations 18 HC-3: High Crash Corridor Sign Evaluation (On-going)

Michigan Traffic Crash Profilepublications.michigantrafficcrashfacts.org/2013/... · 2015. 5. 13. · Prosperity Region 5 (continued) 2013 - Crashes by Day of Week All Crashes Fatal

2009: Historic Truck Crash Declines...Sep 29, 2010  · Crashes, 2007–2009 ♦Single vehicle large truck crashes* dropped 33% (from 450 to 301). ♦Multiple vehicle large truck crashes

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post-crash response - WHO · post-crash response 1 Supporting those affected by road traffic crashes post-crash response. ... Collision investigation Duty to Assist and Good Samaritan

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Square's many suitors

Crash Fast - Square’s approach to Android crashes - Devoxx Be 2014

2011 Florida Traffic Crash Statistics2010 2011 % Change Traffic crashes 227,998235,461 -3.17% Drivers involved 334,809338,112 -0.98% Average crashes per day 645 625 -3.17%

Link Crash Analysis Crash Analysis • 43 crashes ... KFC 4 Starbucks 4 Sinclair 3 ... Potential concerns for snow plow operation.

PEDESTRIAN & BICYCLIST CRASH FACTS Regional Overview · PEDESTRIAN & BICYCLIST CRASH FACTS Regional Overview 1,256Between January 2012 and March of 2018, there were 1,256 crashes

Revised Costs of Large Truck- and Bus-Involved Crashes...had the lowest cost – $32,548 per crash. • The costs per crash with injuries averaged $164,730 for large truck crashes

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Pershing Square's Latest Presentation on General Growth Properties

ROAD TRAFFIC CRASHES IN NEW SOUTH WALES · Table 13 Crashes, object hit in first impact, degree of crash 47 . Table 14 Single motor vehicle crashes, vehicle type, degree of crash

Road Traffic Crashes in Queensland 2000/media/Safety/Transport and road statistics... · Page vi Road Traffic Crashes in Queensland: 2000 Road Crash Database Road crash data plays

mn Dps 2015 Crash Facts - Pages · MINNESOTA MOTOR VEHICLE CRASH FACTS 2015 A summary of crashes occurring on Minnesota roadways based on crash reports submitted to the Minnesota

Crash Analysis and Coding Manual Crash Analysis and Reporting Unit compiles data for reported motor vehicle traffic crashes ... Crash Date ... Avoiding

Shiny-side Up: Advanced Crash Avoidance Technologies That ......Heavy truck crashes 3,800 fatal crashes annually. 3,900 deaths annually; 100,000 injuries. Truck crashes account for

Appendix A - Crash Analysis - Sterling Highway...crashes, four were head-on crashes and one was a fixed-object crash. • Causes of theFatal Head-On Crashes: Two of the head-on crashes

Analyzing Server Crashes Hangs. Crashes Versus Hang. All about Server crash. All about Server hangs-Analyzing Thread dumps Analysis of thread dump samples

Teen driver crashes potentially preventable by crash

Crash Factors in Intersection-Related Crashes: An On-Scene

Idaho Traffic Crashes 2015 · Idaho Traffic Crashes 2015 provides an annual description of motor vehicle crash characteristics for crashes that have occurred on public roads within

Investigating and Reconstructing Rollover Crashes J-Toresan … · Rollover Crashes IPTM Symposium on Traffic Safety Special Problems in Crash Reconstruction May 21-24, 2018 Orlando,

Road Safety Audit Enfield, New Hampshire US Route …...x91% of crashes during daylight x7 crashes right angle crashes x2 crashes involve rear-end collisions x1 crash involving a bicyclist