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Major performance issues occur while and after downloading multiple files at a time or one after another #3240

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Softvision-RemusDranca opened this issue Apr 24, 2020 · 1 comment · Fixed by #3242
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Major performance issues occur while and after downloading multiple files at a time or one after another #3240

Softvision-RemusDranca opened this issue Apr 24, 2020 · 1 comment · Fixed by #3242
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@keianhzo
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in progress [QA]:Major issue Label for QA to mark major issues logged [QA]:Verified fixed Label for QA to mark verified fixed issues
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#10 features

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@Softvision-RemusDranca
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[Affected Versions]:

  • Firefox Reality version 10 RC1 (6db2f60).

[Affected Platforms]:

  • Oculus Quest - Android 7.1.1
  • HTC Vive Focus - Android 7.1.2
  • Pico Neo2 - Android 8.1.0

[Prerequisites]:

  • The Firefox Reality browser is open.

[Steps to reproduce]:

  1. Navigate to a website with available files for download (ex:https://www.thinkbroadband.com/download).
  2. Download multiple files at the same time or one after another (I downloaded 5 files of 10MB).
  3. Navigate the browser and observe the behaviour.

[Expected results]:

  • The browser is easily navigated and no performance issues are encountered.

[Actual results]:

  • The browser is hardly navigated during and after the downloads are finished.

[Notes]:

  • The issue is reproducible even if the files are downloaded having pause between downloads (6-7 downloads).
  • The performance of the browser is still affected even after restarting the device.
  • The performance issues were observed even when exiting the app, affecting the device performance and heating up.
  • The performance issues seemed to disappear after I managed to delete the downloaded files.
  • Attached are screen recordings of the issue in different situations:
    • Multiple files at a time (small files): link.
    • One after another (medium files): link.
    • Large files: link.
@Softvision-RemusDranca Softvision-RemusDranca added the [QA]:Major issue Label for QA to mark major issues logged label Apr 24, 2020
@keianhzo keianhzo self-assigned this Apr 24, 2020
@keianhzo keianhzo added this to the #10 features milestone Apr 24, 2020
@keianhzo keianhzo mentioned this issue Apr 24, 2020
Merged
bluemarvin pushed a commit that referenced this issue Apr 24, 2020
@keianhzo
Fixes #3241 Fixes #3240 Download fixes (#3242)
17a313b 
* Remove unnecessary cursor loop

* Fixed typo

* Report all pending downloads number and arithmetic exceptions

* Fix deleting the downloaded file

* Only show Tray notifications if tray is visible

* Remove unused string parameter

* Switch to empty list instantly when removing all downloads

* Better diff handling
@Softvision-RemusDranca
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I have verified this issue and it's no longer reproducible with the Firefox Reality version 10 RC2 (17a313b). No major performance issues can be observed when downloading multiple files at a time or one after another.

Tested on HTC Vive Focus (Android 7.1.2), Oculus Quest (Android 7.1.1) and Pico Neo 2 (Android - 8.1.0) devices.

@Softvision-RemusDranca Softvision-RemusDranca added the [QA]:Verified fixed Label for QA to mark verified fixed issues label Apr 27, 2020
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Fixes #3241 Fixes #3240 Download fixes MozillaReality/FirefoxReality
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@keianhzo @Softvision-RemusDranca