I can also confirm that previous versions of Firefox used to eat up a huge amount of memory for me. I think this is related to early implementations of Electrolysis (multiprocess firefox). Latest versions of Firefox do not have this issue (I am currently running Nightly) On Wed, Oct 4, 2017 at 10:19 AM, Vlastimil Babka wrote:

On 10/04/2017 09:29 AM, Frans de Boer wrote:

...

Dear all,

I notice the last few days that firefox has developed an appetite for memory. Starting FF with one page uses between 650-750 MB, with three pages It is using already 1.7+GB!! Yesterday I had around 5-6 pages with a memory consumption of 3.5 GB!!

Could be some extension that recently updated itself? The firefox version in TW is still 52.X ESR so I would be surprised if there was some minor security update that suddenly started to eat memory that much.

...

This is of course ridiculous and starts me thinking of using another, more modest, browser.

Consider switching to version 56 from the mozilla factory repo. I did that just few days ago (because of CPU usage and general sluggishness, not RAM), and it's really a big difference. Upcoming 57 should be even better. Yeah there is the downside with "legacy extensions" which still work in 56 but will stop working in 57, so depends if you use any and sacrifice this. And IIUC starting the 56 version will convert your profile so you can't go back to 52, so consider a backup first.

In any case I hope that TW will switch to 56+ soon, it's a shame that rolling distro is stuck on year old version...

Vlastimil

...

So, what is going on?

Regards, Frans.

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On 2017-10-04T17:12:26, Frans de Boer wrote:

So, it was not Firefox, but SiteDelta who can't work properly with No-Script.

https://addons.mozilla.org/en-US/firefox/addon/sitedelta/ -> "SiteDelta does not reliably work with newer versions of Firefox (especially with multi-process enabled). Try SiteDelta Highlight and SiteDelta Watch instead." -- Architect SDS, Distinguished Engineer SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg) "Experience is the name everyone gives to their mistakes." -- Oscar Wilde -- To unsubscribe, e-mail: opensuse-factory+unsubscribe@opensuse.org To contact the owner, e-mail: opensuse-factory+owner@opensuse.org

On Wed, 4 Oct 2017 21:34:16 +0200 "Carlos E. R." wrote:

Another one that makes memory usage go high is addblockplus, and possibly all similar addons.

This was documented and widely-discussed a few years ago. https://lifehacker.com/adblock-plus-once-again-found-to-dramatically-increas... This Just In: AdBlock Plus Still Uses a Lot of Memory 5/14/14 1:30pm Around that time, I switched to uBlock Origin. After a short experimental period, I switched all my machines and those of many friends and clients. https://github.com/gorhill/uBlock Beware -- *not* uBlock, an old, unmaintained fork. https://www.ublock.org/ The other alternative is to install Privoxy and configure your system proxy to go through it. It does not do such a thorough job but it takes little in the way of resources. It's in the TW repos. https://www.privoxy.org/ Set your proxy server to localhost:8118 and you're done. To test, access privoxy.org/config -- it intercepts this URL and displays a locally-generated status page. -- Liam Proven - Technical Writer, SUSE Linux s.r.o. Corso II, Křižíkova 148/34, 186-00 Praha 8 - Karlín, Czechia Email: lproven@suse.com - Office telephone: +420 284 241 084