As a good platform citizen, the app should purge all cached memory objects when going to the background
Closed, ResolvedPublic3 Estimated Story Points
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	• BGerstle-WMF
	Jan 28 2016, 10:22 PM

Description

Similar to memory warnings:

Article object memory
Images in memory
Section controllers in memory

Currently not valid with the latest changes:

WebView cache

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		Status	Subtype	Assigned	Task
		Resolved		None	T124236 EPIC: Investigate 5.0 app performance
		Resolved		JoeWalsh	T125156 As a good platform citizen, the app should purge all cached memory objects when going to the background

Event Timeline

• BGerstle-WMF created this task.Jan 28 2016, 10:22 PM

• BGerstle-WMF raised the priority of this task from to Needs Triage.

• BGerstle-WMF updated the task description. (Show Details)

• BGerstle-WMF added a project: Wikipedia-iOS-App-Backlog.

• BGerstle-WMF moved this task to Engineering Backlog on the Wikipedia-iOS-App-Backlog board.

• BGerstle-WMF subscribed.

Restricted Application added subscribers: StudiesWorld, Aklapper. · View Herald TranscriptJan 28 2016, 10:22 PM

• BGerstle-WMF triaged this task as High priority.Jan 28 2016, 10:22 PM

• BGerstle-WMF added a project: iOS-app-v5-production.

• BGerstle-WMF set Security to None.

MBinder_WMF moved this task from Backlog to Investigate 5.0 App Performance Epic on the iOS-app-v5-production board.Feb 16 2016, 11:22 PM

MBinder_WMF added a parent task: T124236: EPIC: Investigate 5.0 app performance.Feb 18 2016, 11:20 PM

MBinder_WMF edited projects, added iOS-app-v5.0.1-Kiwi; removed iOS-app-v5-production.Mar 1 2016, 9:42 PM

• JMinor edited projects, added iOS-app-v5.1.0-Saturn; removed iOS-app-v5.0.1-Kiwi.Mar 10 2016, 10:48 PM

• JMinor moved this task from Backlog to Needs Estimation on the iOS-app-v5.1.0-Saturn board.May 9 2016, 9:25 PM

• JMinor updated the task description. (Show Details)Jun 9 2016, 5:27 PM

• JMinor set the point value for this task to 3.Jun 9 2016, 5:33 PM

• JMinor moved this task from Needs Estimation to Ready for Development on the iOS-app-v5.1.0-Saturn board.

JoeWalsh claimed this task.Jun 13 2016, 7:45 PM

JoeWalsh moved this task from Ready for Development to Doing on the iOS-app-v5.1.0-Saturn board.

@Fjalapeno or @Mhurd [EDIT] nevermind - tracked it down

JoeWalsh mentioned this in rAPIOS2d88155511e2: Merge branch 'T125156' of github.com:wikimedia/wikipedia-ios into T125156.Jun 14 2016, 3:37 PM

https://github.com/wikimedia/wikipedia-ios/pull/716

JoeWalsh moved this task from Doing to Needs Code Review on the iOS-app-v5.1.0-Saturn board.Jun 14 2016, 4:14 PM

Diffusion mentioned this in rAPIOS3f9240ad1cec: Merge branch 'develop' into memory_optimization/T125156.Jun 14 2016, 5:14 PM

JoeWalsh removed JoeWalsh as the assignee of this task.Jun 14 2016, 6:24 PM

JoeWalsh subscribed.

• Fjalapeno updated the task description. (Show Details)Jun 15 2016, 8:53 PM

• Fjalapeno mentioned this in rAPIOS359560e5e1d6: Merge pull request #716 from wikimedia/memory_optimization/T125156.Jun 15 2016, 8:56 PM

@JoeWalsh wrote this on github too… but then I closed the pr…

Did you see what the memory savings were with this change… just curious on how much we are saving - and what the total looks like right now

So after tapping about 20 images in the Obama article and simulating a memory warning, we were stuck at 177MB before and are now at 106MB. This is simulating the worst case- entering and leaving the gallery for every image.

JoeWalsh claimed this task.Jun 16 2016, 2:10 PM

• Fjalapeno moved this task from Needs Code Review to Needs Testing Criteria on the iOS-app-v5.1.0-Saturn board.Jun 16 2016, 5:08 PM

• Fjalapeno moved this task from Needs Testing Criteria to Ready for PM Signoff on the iOS-app-v5.1.0-Saturn board.Jun 21 2016, 2:18 PM

JoeWalsh edited projects, added iOS-app-v5.0.5-Fever; removed iOS-app-v5.1.0-Saturn.Jun 28 2016, 6:21 PM

• JMinor moved this task from Tasks from Product Backlog to Ready for Development on the iOS-app-v5.0.5-Fever board.Jun 30 2016, 6:26 PM

JoeWalsh moved this task from Ready for Development to Needs Code Review on the iOS-app-v5.0.5-Fever board.Jul 5 2016, 6:06 PM

• Fjalapeno moved this task from Needs Code Review to Needs Testing Criteria on the iOS-app-v5.0.5-Fever board.Jul 6 2016, 7:02 PM