[mythtv-users] hangups/slowdowns after upgrade to Ubuntu 18.04/mythtv 29

[Paul Archer]

That made some difference, although not a huge amount.
I'm seeing variations from one frontend to another, so I'm suspecting it is
on the frontend side rather than the backend.

On Wed, Aug 1, 2018 at 10:30 AM, Jay Foster <jayf0ster at roadrunner.com>
wrote:

> On 8/1/2018 5:20 AM, Paul Archer wrote:
>
> No, my drives are active. I get the 8 seconds even after starting a
> recording, immediately backing out, and starting it again.
>
> On Tue, Jul 31, 2018 at 8:57 PM, Stephen Worthington <
> stephen_agent at jsw.gen.nz> wrote:
>
>> On Tue, 31 Jul 2018 19:41:15 -0500, you wrote:
>>
>> >My backend system recently died, and as part of the replacement, I
>> decided
>> >to upgrade from Ubuntu 16.04 and mythtv 0.28 to Ubuntu 18.04 and mythtv
>> 29.
>> >Since then I've had several issues. I ironed most of them out, but two
>> >linger:
>> >1) The time between starting playback of a recording and that recording
>> >actually playing (when it says "Please Wait") is about 8 seconds. It used
>> >to be about 2 or so.
>> >2) When exiting the "Watch Recordings" screen, the frontend will hang for
>> >about two minutes or so, sometimes longer (it has taken over 5 minutes,
>> at
>> >which time the WAF got so low I had to restart the frontend rather than
>> >wait it out).
>> >
>> >I've enabled debug-level logging on the front end, but I get literally
>> >nothing while it waits. I've checked the backend logs as well, but I've
>> >seen nothing useful there. I've done some searches in the mailing list
>> >archive, but haven't come up with anything there either.
>> >
>> >Any ideas? Logs to look at, settings to check?
>> >
>> >Thanks,
>> >
>> >Paul
>>
>> The start playing time could be a hard drive that has to spin up.  You
>> can use hdparm to see the state of a drive:
>>
>> root at mypvr:~# hdparm -C /dev/disk/by-label/rec1
>>
>> /dev/disk/by-label/rec1:
>>  drive state is:  active/idle
>> root at mypvr:~# hdparm -C /dev/disk/by-label/vid3
>>
>> /dev/disk/by-label/vid3:
>>  drive state is:  standby
>>
>> I have never met your long timeout to exit "Watch Recordings", but I
>> am still using 16.04 with v29.
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>
>
>
> _______________________________________________
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>
> I don't know about the long delay when exiting Watch Recordings, but I
> have experienced long delays in starting a recording playback.  Over time,
> this delay would get longer and longer.  What I found that seems to help is
> the optimize_mythdb.pl script (https://www.mythtv.org/wiki/
> Optimize_mythdb.pl).
> Jay
>
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