Computer sometimes overheats/freezes, Abrowser implicated
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Sometimes the laptop starts making noisy sounds like it's struggling, everything gets slow to the point that the mouse cursor won't even move, and it stays hot and noisy for a very long time (think over 12 hours, maybe even over 24 hours). Then it sometimes resolves itself and works fine, as though it were processing a heavy load. Normally I've performed a hard shutdown before then.
This seems compatible with some process overrunning, eating up computational resources.
It seems to happen mostly when I have a bunch of aBroswer tabs open.
Is abrowser overrunning somehow? Can I set a limit to stop it doing this?
It sounds like something might be 'overrunning.' I do 'Ctrl -Alt - t' to get up a terminal and try the command 'top' to see what is using much memory and CPU cycles. I recently saw a program 'fcheck' going nuts and it really slowed things done. I could see using 'top' that multiple instances were running.
Older computers with minimal RAM can't handle a lot of open pages in a browser because each page requires reservation of a chunk of RAM, at least I think that's how it works. I saw a guy who didn't seem to know how to close a page and he just kept opening a new one every link he clicked and what do ya know, after a while it behaved a lot like what you describe, basically crashing. When all the memory is used up the OS needs to use the hard drive (swap) and that is extremely slow.
You probably know all this, Sagenor but you provide very little information. I'm using Trisquel-mini 11 and haven't noticed any problem with Abrowser. I have 8GB RAM and no swap.
How long has this been going on? Do you have clamscan running via cron or anything like that? clamscan or file integrity checkers can be somewhat intensive.
Many TOR browser tabs: no problem
One or two Abrowser tabs: takes a full day to process.
So it's something wrong with how Abrowser manages resources.
Can I put a hard limit on Abrowser?
I am a translator!
Both abrowser and tor browser are Firefox with specific settings. One difference though is that abrowser is based on regular Firefox releases, while tor browser is based on Firefox ESR.
However, every web page is different, and if you have add-ons, this can also make a big difference. Did you try loading on tor browser the same pages like you have in abrowser? Do you have add-ons on abrowser? If so, you could make a new abrowser profile without any add-on (run "abrowser -P", then create a new profile) and try loading the same pages to see if you have the same issue.