MemoryPerformance4 min read
Is that a memory leak, or just a cache?
Reading a memory trend on a real device — sawtooth versus staircase, what jetsam looks like from the outside, and why a crash with no exception is a memory bug.
Sharing articles on iOS device management, app debugging, performance monitoring, file management, power analysis, and the latest industry news, helping developers and operators master practical skills easily.
MemoryPerformance4 min read
Reading a memory trend on a real device — sawtooth versus staircase, what jetsam looks like from the outside, and why a crash with no exception is a memory bug.
Documents, Library, Caches and tmp — what iOS backs up, what it deletes without asking, and why "the cache will not clear" is usually a directory choice.
DistributionDevices3 min read
Signature, profile, UDID, storage, version numbers and trust — the reasons an iOS build fails to install on a test device, and how to tell them apart.
What to capture while a bug is happening, so that the ticket contains evidence instead of a description — logs, timings, device state and screenshots.
PerformanceApp data3 min read
A mini-program runs inside somebody else's app. What that does to your measurements, and how to attribute cost to the right process.
12 articles in total