[mythtv-users] Load goes through the roof at times since installing 29

[Ian Evans]

On Mon, Nov 6, 2017 at 3:56 AM, Mark Perkins <perkins1724 at hotmail.com>
wrote:

> On 6 November 2017 6:08:42 pm Ian Evans <dheianevans at gmail.com> wrote:
>
> > On Sun, Nov 5, 2017 at 12:17 PM, David Brieck Jr. <dbrieck at gmail.com>
> wrote:
> >
> >>
> >>
> >> On Nov 3, 2017 1:09 AM, "Ian Evans" <dheianevans at gmail.com> wrote:
> >>
> >> Okay, latest mythtv 29 on Xubuntu 16.04. Upgraded a few weeks ago via a
> >> clean install from .27 on Mythbuntu 12.04.
> >>
> >> Same hardware I've been running MythTV on since 2011. 2 Gig of RAM. 2
> >> recording drives. 1 OS/DB drive.
> >>
> >> Since installing 29 I get frequent load spikes that make the system
> >> unusable. As I type I have three recording going and my system is going
> >> over 20 in top's load. Under .27 it wouldn't break a sweat. It's a two
> core
> >> system and I only allow one job at a time. Only job running right now
> is a
> >> commflag on one of the recordings.
> >>
> >> Even when it's not spiking this high, entering and exiting a recording
> can
> >> take 30+ seconds. I've included a snap of top. But where should I be
> >> looking? Or what info should I post here? Again I've been running since
> >> April 2011 and have never seen this load issue.
> >>
> >> Thanks!
> >>
> >>
> >> It's the front end that's causing the load. I would check to make sure
> >> you're using the correct video drivers and rendering engine. Could be
> the
> >> osd as well.
> >>
> >
> >
> > Using Standard decoding and VDPAU rendering. The driver is 304.135. When
> I
> > did that top, no video was playing at the time. Running 64 bit Xubuntu.
> >
> >
> >
> > ----------
> > ______________________________________
>
> As was already mentioned that swapping should be checked. I don't know
> what your top showed from 0.27 times but 20% CPU load for three recordings
> plus a commflag job on 2011 hardware sounded fine to me. I couldn't see the
> problem there. But swapping - particularly 500+ MiB - that sounds awful and
> sounds like the symptoms you are seeing.
>
> Try shift + m while in top to sort by % memory used and post that.
>
> Do you accidentally have multiple FE processes running?
>
>
Of course when I NEED a spike I don't get one. Here's a top with one
recording and commflag. Load is over 1 though. Will try again if I see a 20+
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