On Wednesday 07 October 2020 01:51:49 pm Dr. Nikolaus Klepp wrote: > Anno domini 2020 Wed, 7 Oct 13:40:31 -0500 > > Ah, sure! > > > > - Start KMail > > - Setup ~50 filters. > > - Setup mail checking every ~15 minutes [1] > > - When KMail checks mail the whole program is 'frozen' until it finishes > > checking for mail. [2] > > - You can use any other program on the machine with no ill effects. > > > > [1] I average slightly over 50 downloaded messages per 15 minute check. > > [2] e.g. If you're in the middle of typing a mail, you can no longer type > > anything into KMail. If you try to click on some other folder, nothing > > happens. If you drag some other program’s window over KMail, the KMail > > GUI gets whitened/blanked out until the mail check stops. > > > > This is on my work machine (info below), so it’s not a 10 year old > > laptop, which was why I was thinking it was a multi-thread issue? > > > > Best, > > Michael > > This is strange. Do you get hundreds of mails in 15 minutes? > > Could you run "htop" in a terminal so that you see which program is > blocking? It might be something spawned from kmail or something totally > different. Yeah, due to spikiness of things, I’d guess some mail checks get 200-300 mails, some get 10. The average of ~50+ was over the last 15 day period (75,000 in 15 days if someone wants to check my maths...). htop attached of KMail at idle. I had the main window and 3 messages open (= 4 child processes?). During a mail check it climbs to 100% CPU% for the parent KMail row, the children don’t change at all, sits at 100% until it’s done (1-3 seconds) and then drops back to ~0% CPU%. My graphical skills lack, headers are: PID / USER / PRI / NI / VIRT / RES / SHR / S / CPU% / MEM% / TIME+ / Command / The 0.7 is CPU% 2119M is VIRT I don’t know htop well enough, but it’d seems CPU% has to be for a single CPU? Yeah, gotta be, load average: 0.30, 0.20, 0.14, so it’s not doing anything to even 1 minute load numbers.
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