[kwlug-disc] Firefox resource usage

[Gary Walsh]

-- 
Gary Walsh
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One Tab is like a web page with a list of links organized by the date you saved a set of tabs. Another useful addon is Tab Manager Plus. It helps to find tabs if you have a lot open, but it doesn't close them like One Tab does, so it doesn't help much with memory problems.
Feb 1, 2022, 10:14 by kwlug-disc at kwlug.org:

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>> 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.
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> How does this OneTab works internally?
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> If it brings all processes into one process, is there the same      separation level between them, that acts as an additional hurdle      when one of pages is trying to escape or collect external info.
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>> 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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