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2023-03-02 04:13 PM
I have a Lenovo laptop from 2021, this is an 11th Gen Intel(R) Core(TM) i7-1185G7 @ 3.00GHz. With 16G of RAM.
However, when I run zoom it can BARELY function. When I go to screen share Zoom consumes over 1.5GB of memory, and is killed by the OOM killer on Ubuntu 22.10. This is version 5.13.4 (711).
I have performance analyzed Zoom, and it seems to unnecessarily consume a lot of resources --
1. RAM utilization , 9.8% ( ~1.5G )
2. CPU utilization ( ~9%) at idle.
3. Threads - 74(!!)
I attempted to attach as a TXT file (but the extension .txt is not supported) - here are the open filehandles fo the main thread.
Additionaly startup of the app, and doing a screen-share results in this flame chart -- notice the numbeer of concurrent threads firing near instantaneously. Apply the "perf.svg?x=1136.7&y=2069" to a browser to walk through the flame chart. ( this is attached below, this box does not permit .svg files for some reason, so, please rename the extension when you grab it ).
Additionally, I see a CRAZY amount of polling on filehandles when using strace to track. This is likely the culprit in pushing up the CPU utilization so high ! Please, stop POLLING !
Please see "furtherdetails.thisisa.txt.png" Rename the file to be a TXT file to get the contents.
here -- https://file.io/3Uc3vRJO7Jt6
Can developers please take a look at this and optimize performance ?