[kwlug-disc] Firefox resource usage
Gary Walsh
gwalsh at notw.ca
Mon Jan 31 22:35:59 EST 2022
If you have too many tabs open taking up a lot of memory, try the OneTab extension. It takes all open tabs except pinned ones and turns them into a list in one tab.
--
Gary Walsh
Sent with Tutanota, the secure & ad-free mailbox.
Jan 31, 2022, 21:17 by kb at 2bits.com:
> From another thread ...
>
> On Mon, Jan 31, 2022 at 7:03 PM Chris Frey <> cdfrey at foursquare.net> > wrote:
>
>> On Mon, Jan 31, 2022 at 12:46:43PM -0500, Doug Moen wrote:
>> > Sounds like Debian is too slow and bloated for this hardware. I bet
>> > that Plan 9 would really fly on it. Plan 9 is from the right era and
>> > there's been no large scale effort to make it a thousand times slower
>> > and require a thousand times as much memory, as has happened with
>> > Linux distros.
>>
>> This may have been in jest, but boy howdy, is it real.
>>
>> I'm still running Debian Buster 10, and recently due to security updates
>> and end-of-life requiring the change, Firefox was updated from 78.15esr
>> to 91.5esr. Watching youtube is now a 100% CPU grinding, fan blowing,
>> choppy video, sluggish UI affair on my poor Thinkpad T510.
>>
>> I kinda long for that bygone era.
>>
>
> I am on a Thinkpad 450. No idea when it was made. BIOS date is 2018, but
> that may be an update that the previous owner applied, or I did apply it
> after I bought it.
>
> Model number is 20BUS6150U
> CPU is Intel Core i5-5300U CPU @ 2.30GHz
>
> And I am on Xubuntu 20.04 64bit, with Firefox 96.0.
>
> I definitely had issues with Firefox's memory usage, which was a problem even
> with 12GB of RAM. Turns out the issue was too many Firefox windows opened.
> Once I bookmarked the tabs in several windows and closed them, the laptop
> never goes to swap.
>
> Here is dstat (again)
>
> $ dstat --noupdate -tclpydr 10 | cat
> ----system---- --total-cpu-usage-- ---load-avg--- ---procs--- ---system-- -dsk/total- --io/total-
> time |usr sys idl wai stl| 1m 5m 15m |run blk new| int csw | read writ| read writ
> 31-01 21:09:48| 5 1 94 0 0|0.32 0.93 1.16| 0 0 1.3| 838 1918 | 0 19k| 0 1.00
> 31-01 21:09:58| 12 2 86 0 0|0.42 0.93 1.16| 0 0 0.6|1559 3998 | 0 21k| 0 3.60
> 31-01 21:10:08| 17 3 80 0 0|0.51 0.93 1.16|2.0 0 1.4|1947 4579 | 0 3686B| 0 0.30
> 31-01 21:10:18| 17 3 81 0 0|0.51 0.92 1.15| 0 0 1.4|1816 4434 | 0 20k| 0 0.60
> 31-01 21:10:28| 5 1 94 0 0|0.43 0.89 1.14| 0 0 1.3| 891 2082 | 0 21k| 0 2.80
> 31-01 21:10:38| 7 1 92 0 0|0.36 0.86 1.12|5.0 0 1.1| 940 2489 | 0 186k| 0 7.10
> Then I start Firefox
>
> 31-01 21:10:48| 44 7 49 0 0|1.03 0.98 1.16|1.0 0 3.5|3307 16k| 0 17k| 0 0.60
> 31-01 21:10:58| 31 4 65 0 0|0.87 0.94 1.15|2.0 0 0.8|2382 12k| 0 138k| 0 8.90
> 31-01 21:11:08| 27 4 69 0 0|0.73 0.91 1.14|1.0 0 1.4|2240 12k| 0 46k| 0 4.40
> 31-01 21:11:18| 35 4 61 0 0|0.78 0.91 1.13|3.0 0 1.3|2749 13k| 0 62k| 0 4.50
> 31-01 21:11:28| 34 4 62 0 0|0.82 0.92 1.13| 0 0 1.2|2496 13k| 0 42k| 0 5.90
> 31-01 21:11:38| 34 6 60 0 0|1.01 0.95 1.14|3.0 0 1.2|2762 13k| 0 296k| 0 12.2
> Yes, CPU usage goes up (idle time goes down from 81% to 61%).
> But the fan never kicks in and the laptop remains responsive.
> Some Javascript on some other pages do cause the fan to kick in though.
>
> I do have NoScript, and UBlock Origin. But > google.com <http://google.com>> and > gstatic.com <http://gstatic.com>> are allowed.
> --
> Khalid M. Baheyeldin
> 2bits.com <http://2bits.com>> , Inc.
> Fast Reliable Drupal
> Drupal performance optimization, hosting and consulting.
> "Sooner or later, this combustible mixture of ignorance and power is going to blow up in our faces." -- Dr. Carl Sagan
>
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