> VTDecodedXPCservice takes 147% of the processor cores on one of my boxes.
That is to be expected if you are playing any video or audio, and is
not new to High Sierra. There are tons of reports online about it taking alot
of CPU.
I am not hitting these issues and I use APFS on all my partitions. I don’t
have any third party system mods installed on my machine. Maybe its not the
file system, but some app you have installed that is effecting the OS?
Wouldn’t be the first time that has happened.
Have any of you filed bug reports about the issues you are seeing, including
but not limited to a sysdiagnose, spindump, Instruments System Trace taken
_while_ the slowness was occurring. If your issue is related to being connected
to an SMB share, you should include info about the server you are connecting to
(e.g. OS on the Server, WiFi or Ethernet, large or small network etc etc)? If
your issue is I/O bound, then an lsof run taken during the slow I/O session is
also useful. Without that kind of info there isn’t any way they can possibly
fix it. Just sayin’… Maybe reply to this thread with the bug numbers you’ve
filed in case an Apple Engineer sees this thread.
—Rob
> On Apr 22, 2018, at 11:26 PM, Richard Charles <rcharles...@gmail.com> wrote:
>
>> On Apr 22, 2018, at 8:48 PM, Steve Mills <sjmi...@mac.com> wrote:
>>
>> There’s definitely something rotten in 10.13. After a few days of using
>> Safari, closing windows or doing new searches will take around 30 seconds.
>> Quicklooking jpgs in Finder will become sluggish. Only a robot seems to fix
>> it for a few days, then everything starts slowing down again, getting worse
>> and worse as the days go on.
>
> It looks like others are also experiencing slow issues with High Sierra.
>
> https://discussions.apple.com/thread/8155686
>
>> On Nov 10, 2017 thadwald wrote:
>>
>> imac unusably slow after high sierra upgrade
>>
>> i have a 2014 27" i7 retina imac. it has slowed to the point of being
>> unusable after upgrading to high sierra. simply opening finder takes more
>> than 5 minutes before the files are done displaying and the beachball stops.
>
> This sounds exactly like what happened to my High Sierra machine on Friday (2
> days ago). This was a clean machine. Very little had been done on the machine
> since a clean install of High Sierra about one month ago. It happened all of
> a sudden when I was messing around with file sharing. It was so bad that the
> only thing I could think of doing was another clean install.
>
> --Richard Charles
>
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