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#1 2021-01-01 03:09:16

RobinLikesToCode
Member
Registered: 2016-10-04
Posts: 44

[SOLVED] Firefox creates CPU spikes

Whenever I have firefox running, it will spike one of the cpu cores at regular intervals.
The culprit is one of its child processes called "RDD Content".
Does anyone else get this behavior or know if it's normal?

Last edited by RobinLikesToCode (2021-01-01 03:19:30)

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#2 2021-01-01 03:19:12

RobinLikesToCode
Member
Registered: 2016-10-04
Posts: 44

Re: [SOLVED] Firefox creates CPU spikes

I answered my own question.
It's a sandbox process called Remote Data Decoding and it does have a reputation of being greedy with cycles.
Any media being played gets funnelled through the RDD process.
I went to about:config and enabled the advanced media.rdd settings for all the supported codecs and it cut the cpu usage by two thirds.

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#3 2021-01-04 21:59:04

Orbital_sFear
Member
Registered: 2014-10-13
Posts: 41

Re: [SOLVED] Firefox creates CPU spikes

Thanks! I have the same issue but never looked into it. Nice find

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