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

[Paul Archer]

I'm on gig ethernet. But before the upgrade the wait time was typically 2
seconds, and now it's 8, so the problem doesn't lie (just) in the network.

On Wed, Aug 1, 2018 at 12:37 PM, George Poulson <george.poulson at gmail.com>
wrote:

> What speed is the network between your front and backend?
> I recently changed from remote frontend (on 100mb/s ethernet) to local and
> the original 1 or 2 second 'Please Wait' is now barely perceptible.
>
> On Wed, 1 Aug 2018, 17:20 Paul Archer, <paul at paularcher.org> wrote:
>
>> 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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>>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> mythtv-users mailing listmythtv-users at mythtv.orghttp://lists.mythtv.org/mailman/listinfo/mythtv-usershttp://wiki.mythtv.org/Mailing_List_etiquette
>>> MythTV Forums: https://forum.mythtv.org
>>>
>>> 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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>>>
>>>
>> _______________________________________________
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>> http://lists.mythtv.org/mailman/listinfo/mythtv-users
>> http://wiki.mythtv.org/Mailing_List_etiquette
>> MythTV Forums: https://forum.mythtv.org
>>
>
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> http://lists.mythtv.org/mailman/listinfo/mythtv-users
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>
>
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