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Navigation Memory leak

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评估

难度
5/5
预计耗时
一周以上
新手友好度
15/100
Issue 类型
缺陷
描述清晰度
需要澄清
活跃度
停滞
技术栈
ios, javascript

调研方向

首先,在使用 ns create template 创建的应用中重现该问题,使用 Frame.topmost().navigate 示例以及列出的 iOS、ns-cli、ns-core 和 ios-runtime 版本。在 iPhone 上对所述页面之间的导航进行性能分析,并比较尝试进行 GC() 更改与不进行该更改时的内存行为。导航泄漏得到修复,并且内存不再持续累积直至应用崩溃,即视为完成。

由索引模型根据 Issue 内容生成。

描述

ns-v8ios since version 7 I think have this issue. Where garbage collector is not operating as intended. I think there's a duplicate about this topic in the issue list, but it's easier to create one for myself with all necessary details.

So the leak is happening even on the app that you can install with ns create. If you create one using the template where this code exists

Frame.topmost().navigate({
    moduleName: componentRoute,
    transition: {
      name: 'fade',
    },
})

I've tried to modify it in a way to use util GC(). It helped, by a tiny bit, but it's still not enough. I've made a video where I profile hello world app on iPhone and show on screen what is happening on my device. I'm basically jumping between template heavy pages that have bunch of

<GridLayout class="page__content">
        <Label class="page__content-icon far" text="&#xf1ea;"></Label>
        <Label class="page__content-placeholder" text="<!-- Page content goes here -->"></Label>
</GridLayout>

duplicated. On one page 300 lines, on the second one 6000 lines. And it's clearly visible that memory is being released by accumulates much much more.
Why so much lines is just to display that GC is clearly broken, but even in live app that I have, I have "complex" layouts because we're using NS-Vue and components approach create a lot of templates, even if they are flat. So our app crashing our clients devices quite easily, especially the ones that have only 2-3GB of RAM and the solution to make design more flat might not be a solution for us at all, unfortunately.

Version of xcode: 13.1
Version of ns-cli: 8.1.4
Version of ns-core: 8.1.1
Version of ios-runetime: 8.1.0

We would like to "invest" into this problem, to fix it ASAP, as our product suffers from this.

Here's there link to a video where I show the error https://drive.google.com/file/d/1Qz8jYFE6N4TVvS0G_8rrvmVzUe-KtKFC/view?usp=sharing

主要语言
JavaScript
星标
150
派生
43
平均合并
3 天 10 小时
30 天内合并 PR
22

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