Re: [Evolution] Evo 3.38.1 composer pauses

[Patrick O'Callaghan <poc usb ve>]

On Tue, 2020-11-17 at 16:09 +0000, Pete Biggs wrote:
> On Tue, 2020-11-17 at 09:00 -0700, Zan Lynx wrote:
> > On 11/17/20 8:51 AM, Pete Biggs wrote:
> > > Does anyone else see this? My system is not overloaded, there's nothing
> > > taking lots of CPU or IO.  However evolution and various WebKit
> > > processes are each taking about 80-100Gb of virtual memory. Is this
> > > normal? (Resident memory is within normal ranges.)
> >
> > Yes I've seen Evolution do that lag thing many times. Whatever goes on 
> > inside the HTML composer is not well done.
>
> So it's not me going mad! But this is plain text composing and I've
> only noticed it since upgrading to F33 and 3.38.1
>
> > The virtual memory use is part of WebKit and is called Gigacages. It 
> > allocates huge zones of memory around compiled Javascript so that even 
> > if some bug allowed direct memory accesses, it isn't mathematically 
> > possible for it to reach sensitive data.
> Err, OK. It just looks odd when I have 5 or 6 processes all taking
> nearly 100Gb of virtual memory:
>
>     PID USER      PR  NI    VIRT    RES    SHR S  %CPU  %MEM     TIME+ COMMAND                              
>                                                        
>   81695 pete      20   0   99.1g 111556  90300 S   0.3   0.7   0:05.12 WebKitWebProces                      
>                                                        
>   77144 pete      20   0   98.0g  45280  38444 S   0.0   0.3   0:00.16 WebKitNetworkPr                      
>                                                        
>   81694 pete      20   0   98.0g  44680  37912 S   0.0   0.3   0:00.06 WebKitNetworkPr                      
>                                                        
>   77146 pete      20   0   85.4g 126724  95132 S   0.0   0.8   0:31.77 WebKitWebProces                      
>                                                        
>   77101 pete      20   0   84.1g 436828 128640 S   6.0   2.7   2:21.81 evolution                

Here's a screenshot of my system:

https://drive.google.com/file/d/1_ryubFSGMiORDiwf2LmNc8MARAsI3HPA/view?usp=sharing

poc