Living with Tricky Bugs

A talk given at RUG::B in Berlin about how to live and deal with tricky bugs in complex systems.

Transcript

1. Dealing with Tricky Bugs
5. Personalized Learning on the iPad
6. New Partnerships Overview © eSpark Learning Grade Level 0 1 2 3 4 5 6 7 8 Student ID Reading Math Differentiated Learning Needs This graph displays the diverse learning needs of a real 5th grade classroom in Chicago. Only 6 students are working at grade level. This is a common problem all teachers face.
7. © eSpark Learning Effective 116 167 0 50 100 150 200 Share of Annual Growth Expectation (%) P-value on two sample t-test < 0.001 Fall to Spring Growth Nongoal Areas Goal Areas
15. X
21. Code External Urgent Low Priority Confusing Clear Global Individual Inferred Explicit Intermittent Permanent
22. Urgent, clear code problems?
23. © eSpark Learning Explicit external issues?
26. Low priority, confusing issues?
27. Logging, Data Warehouse, etc.
28. Not an Issue Potential Problem WTF!
29. WTF! Code External
30. © eSpark Learning Inferred external problems? Support Tickets
31. App Deployment Success
32. iTunes Account setup App Licenses Apple Bugs Outdated iOS District Bandwidth Missing App!!! In iOS Setup Assistant Out of Space Out of Battery Can’t Identify iPad Apple Down eSpark Bug
35. And many, many more
36. Thanks! Questions? Alex Koppel - @arsduo
37. © eSpark Learning Photo Credits • Most photos are from Pixabay or Wikipedia in the public domain • Filing cabinet: https://commons.wikimedia.org/wiki/ File:Categorization_system_2.JPG