Random foolishness about Firefox.

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Random foolishness about Firefox.

Postby Deb-fan » 2019-10-30 06:13

Well really only one thing I wanted to say about it. Couldn't touch the topic of FF without a friggin book post and not going there. Anyway ... was time for me to get a minimal Debian 10/Buster install setup and so during the process, one step was downloading and setting up Firefox from Mozilla on this puppy. For me this is a joyous ( Debian is evolving and progressing )and also a tedious/hectic time( as in it took me like 30 friggin hours to get the Buster install config'ed the way I prefer and am still not done, arghhhh.) Back to topic, while going through the FF settings to change them as I like, noticed it comes with 8 Content processes now out-of-box. Wth ?!?!?!

I have 2 cores on this old dinosaur and need 8 CP's ??! Personally tend to 1 CP per/cpu-core on system, so lowered it to 2 and got on with life. It's also set to 8 in the firefox-esr Debian provided. Noticed the thing/FF was being unusually RAM hoggy before I'd gotten around to re-setting this and other junk in about:config etc. So anyone have any thoughts, comments etc to share on this, please do.
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Re: Random foolishness about Firefox.

Postby CwF » 2019-10-30 13:21

What about:config line specifically?
I have a list I've been watching, the debian team does good with it if you stick to official.

I added zram_tools now available in buster to help my browser vm's, each similar to under powered jalopies many may use, Dual core with 2+ GB. Testing is incomplete but solid, it helps.
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Re: Random foolishness about Firefox.

Postby Deb-fan » 2019-10-30 13:53

Really don't dork with changes in about:config much anymore. Getting rid of max_total_viewers, number of tabs kept for back/forward, number of windows someone can undo, how often it stores the session, it's 15secs out-of-box, generally set it to 60 = 60000, change the backspace action to 0 so that hitting backspace goes to the last webpg, as it does in window$, get rid of this pocket thing, some other basic junk.

Point of this pointless thread is just that I'm surprised at the 8 content processes FF now apparently comes with. It tells you right by the relevant control in settings, content processes may improve performance when using many tabs but add to memory etc blahblah. I have the RAM to spare anyway, I just don't want to waste it on something I don't feel is worthwhile to me. I mean there are extensions that will "suspend" tabs which aren't being used but believe that basically means they get dropped and reloaded mostly when someone clicks back to them. Though whatever is kept in FF's cache should come into play and not have to be re-downloaded, could depend on the expires headers on the site involved ... shrugs.

Anyway, have dorked with adjusting # of content processes on FF, don't remember the findings I came to on it though. Whatever ... still think having 8 of the suckers on a dual-core lappy is overkill.
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Re: Random foolishness about Firefox.

Postby Head_on_a_Stick » 2019-10-30 16:16

e10s is a useful improvement to FF's security. Still not as good as Chrom{e,ium}'s sandbox though.
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Re: Random foolishness about Firefox.

Postby Deb-fan » 2019-10-30 16:48

^ So question, that means having 8 of them sucking up my RAM on a dual-core = x8 the security of just 2 of em or wait, that'd just be x4 (2 x 4 = 8 ) ? Messing around Hoas, though ye continued fanaticism with security, security and more security wears thin with me at times fellow nixer. Sheesh, only ever got infected 1 time in the 30 or so years and that was on windows and got it sorted out. Sheesh ya might want to hire some armed guards to stand watch over your computer, even you have to sleep. What are people doing to your computer while you're in da dreamland fellow nixer ? :D

Also ... BOO!!! :twisted:
Last edited by Deb-fan on 2019-10-30 16:51, edited 1 time in total.
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Re: Random foolishness about Firefox.

Postby Head_on_a_Stick » 2019-10-30 16:51

Deb-fan wrote:ye continued fanaticism with security, security and more security wears thin with me at times fellow nixer

Strange but true: I keep nothing important on my laptop, security is irrelevant to me.
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Re: Random foolishness about Firefox.

Postby Deb-fan » 2019-10-30 16:55

I'm watching you drink that tea through your webcam right now Hoas. BOO !!! Ok ... will quit razzing ya, mentioned definitely have much respect for you in terms of tech knowledge/experience. We just don't agree on various junk. Honestly still kinda think you're some kind of AI (artificial intel) thingy. 10k posts on 3 or 4 forums that I know of. I spent day and night for months dorking around on the #! forum and never even came anywhere close. Maybe 3k worth. CONFESS, you're a cyborg !!!?
Last edited by Deb-fan on 2019-10-30 16:56, edited 1 time in total.
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Re: Random foolishness about Firefox.

Postby Head_on_a_Stick » 2019-10-30 16:56

Deb-fan wrote:Sheesh, only ever noticed that I got infected 1 time in the 30 or so years

Fixed that for you ;)
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Re: Random foolishness about Firefox.

Postby Deb-fan » 2019-10-30 16:59

^Lol ...

Turn about tis fair play. Nah for real, even when was a windowite, spent so much time on the comp, could actually feel if something was amiss with the thing. :D I would feel a disturbance in the source. Use the source Luke !!! Kinda deal ...
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Re: Random foolishness about Firefox.

Postby Deb-fan » 2019-11-01 02:21

Random things related to Firefox. Is anyone else getting incomplete downloads of webpgs while running the Noscript extension ? I consider it a must have extension, though may explore alternatives to it. I'm using a neighbors wifi, so it's an inherently crappy/lossy setup but noticed some webpgs wouldn't download completely and the images etc would be missing still got the text but the formatting of the pages are messed up. Was also getting failed to download for some of them. Disabled Noscript and they download as expected and no failures. This is annoying !

Next up, if your browser is displaying a webpg, it's already downloaded everything needed for it and to display it properly. This is all browser devs in general ... why then if someone downloads the webpg must it completely be down'ed again ? It's a waste of bandwidth. I get that the webpg may have changed but still majority of the sucker is clearly already accounted for and re-downloading it is a waste of time and resources ! Pointless observation but just saying folks. :)
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Re: Random foolishness about Firefox.

Postby Deb-fan » 2019-11-06 15:21

Couple of other about:config tweaks I use and to whatever degree endorse.

Disable prefetch but leave prefetch dns alone. I also jack up the number of persistent connections allowed for a given server. In FF v 70, it's 6 default. A competent server admin can limit or modify what's allowed on their end anyway. DO NOT get carried away with this, as in my view trying anything more than 8 or 10 makes a person a craphead. :D

Relevant lines in about:config
Code: Select all
network.http.max-persistent-connections-per-server
network.prefetch-next


Random babbling about prefetch. Grabbing whatever links and their contents from a URL or whatever you're on, in the possibility that someone may click on them. Never gotten into the specifics of how Mozilla implements this in FF but I don't want my browser prefetching things, downloading them and holding them in RAM, on the assumption that I may click on whatever. Overall seems wasteful and silly to me and while could certainly work. In my view an almost all/everything approach would be needed and that's much bandwidth, RAM and wasted cpu cycles. Happy when FF renders/displays (only)stuff I click on or ask it to do, quickly is good too of course. :)

PS, This one gets an honorable mention for me to dork with it later.
network.http.spdy.persistent-settings Spdy is a google Inc thingy and in ways sets much TCP'ness on it's head. Would not advise fiddling unless someone knows what they're doing and regardless of what someone sets in FF, almost certainly won't override the config's in Debian gnu/Linux itself w/o those being likewise adjusted to utilize this thingamajig.
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Re: Random foolishness about Firefox.

Postby Head_on_a_Stick » 2019-11-06 18:55

Remember to set beacon.enabled to false. Bastard Mozilla tracking bullshit :x

More here: https://gist.github.com/MrYar/751e0e5f3 ... c8aa237b72
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Re: Random foolishness about Firefox.

Postby Deb-fan » 2019-11-06 19:32

^ Hey cool beans, thanks Head_on will look it over. :D Briefly skimming it, kinda looks a bit more involved than I'm willing to devote to it. After going on 18yrs of dorking with FF to tell the truth am to the point where am burnt out on screwing with the thing overmuch. Still do some tweakage to it, TCP tuning etc n plenty tweakage on my install(s) too of course. Just don't care as much as I once did. On everything gnu/Linux (all Debian) FF blazes along great.

Never put the FF profile into RAM or tmpfs, ala the blessed Archwiki style etc etc. Even on this craptastic shared wifi connect, thing blazes along fine when there's not too much congestion. Sheesh, sorry ... too much coffee and thanks for the add Hoas. If you find it valid am certain there's something good to it fellow nixer. :D

Have you ever played with the BBR congestion control algo ? Or that SPDY thingy ? Would definitely be interested in your take on such if so ....
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Re: Random foolishness about Firefox.

Postby Head_on_a_Stick » 2019-11-07 18:22

Deb-fan wrote:Have you ever played with the BBR congestion control algo ? Or that SPDY thingy ?

I think we've been through this before — those are for servers rather than desktops.
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Re: Random foolishness about Firefox.

Postby Deb-fan » 2019-11-08 01:25

Kind of hazy on the topic, been a few years, plenty of tcp stack tweaks on my 2-dork list just haven't gotten around to messing with. Came across it again in the Archwiki while messing with sysctl config's. Do vaguely recall BBR having a use on desktop, though are other relevant config's involved. Anyway just checking, you tend to check a lot of interesting and more obscure stuff out so couldn't hurt to ask. :)
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