Open Bug 1940821 Opened 1 month ago Updated 1 month ago

Firefox stutters and briefly freezes. Main issue is ~4GB of RAM usage.

Categories

(Core :: Performance, enhancement)

Firefox 134
enhancement

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()

UNCONFIRMED

People

(Reporter: 3w7ac8lrf, Unassigned, NeedInfo)

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(1 file)

310.74 KB, application/x-gzip
Details
Attached file memory-report.json.gz

User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:134.0) Gecko/20100101 Firefox/134.0

Steps to reproduce:

I worked with up to two Firefox windows open and up to 8 - 9 tabs open. Memory report has been attached as well.

Actual results:

Main issue is that Firefox is using 4GB of RAM. It's way too much.

I realised this because after four or so hours Firefox started stuttering/freezing for about 0.5ms, never got to a second of waiting I think. Now it's working fine but it's not the first time this happened.

Expected results:

I don't know how much RAM is a modern browser supposed to take, but isn't 4GB way too much?

The Bugbug bot thinks this bug should belong to the 'Core::Performance' component, and is moving the bug to that component. Please correct in case you think the bot is wrong.

Component: Untriaged → Performance
Product: Firefox → Core

The memory report was anonymized but I suspect this was with YouTube open, is that right?

Flags: needinfo?(3w7ac8lrf)
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