[mythtv-users] Mythbackend recording glitches

[Allen Edwards]

Jay,

Does it take a i7-4770 CPU to run Myth these days?  Do you use it for
anything else or just went to that power point just for Myth. I was
thinking of an i3-8100 but I have very limited knowledge of the differences
or how important they are.  I mean, what led you to pick that CPU.  I would
hate to buy something that was underpowered and regret it. But not happy
about the extra money and power if it doesn't provide a benefit.

I see 14% CPU usage with my AMD-5400 when I am recording a show and am
wondering why I would need more CPU power to run Myth. I wish I knew what
the limitation/ problem was.

Allen

On Wed, Oct 17, 2018 at 9:43 AM Jay Foster <jayf0ster at roadrunner.com> wrote:

> On 10/17/2018 9:04 AM, Allen Edwards wrote:
>
>
>
> On Wed, Oct 17, 2018 at 8:50 AM Jay Foster <jayf0ster at roadrunner.com>
> wrote:
>
>> On 10/17/2018 7:41 AM, Allen Edwards wrote:
>>
>> <SNIP>
>>
>> Yesterday I found a loose connector on tuner 0. HDHomerun config showed
>> yellow signal quality that went away when it was tightened.  Fixed it.
>> Still glitches, no improvement this morning.
>>
>> Small screen shots in Mytyweb sometimes there, sometimes not.  Progress
>> bar still missing. The missing screenshots are in the Recordings folder but
>> the link to them on Mythweb is to a different folder and file name.
>>
>> Is there a way to reinstall myth without losing my programs?  I wish I
>> could go back to Mythbuntu 8.
>>
>> Allen
>>
>>
>> I haven't followed this thread much.  I am running mythbuntu 14.04 (3.13
>> kernel) with 0.28.  My system started out life as mythbuntu 8.10 with
>> 0.21.  Back then, I followed the (then) recommendations of using a separate
>> disk drive (spindle) for the recordings and OS/database.  Is your system
>> configured that way?  I also used the XFS file system for the recording
>> drive.  Which FS are you using.  EXT4 may take a bit more for journal
>> updates (I am out of my depth here).  I also configured the backend to not
>> do any comm flagging or transcoding jobs during my primetime recording
>> hours (7:00PM -> 3:00AM).  I also have slow deletes turned on (might be the
>> default).  I can reliably record 4 to 5 shows (OTA) at the same time while
>> watching another, using three HDHR tuners on a separate dedicated gigabit
>> NIC.
>>
>> Jay
>>
>
> What hardware are you running? Mine is AMD 5400 and I installed the i386
> version of Mythbuntu 14.  I used the default setup and only one disk.  The
> old system had two disks but both had recordings on them. Not sure of the
> file system on the old system but I will see if I can get it running long
> enough to check. Looks like everything is on ext4 single partition except
> for the swap partition.
>
> That is a good lead, thanks.
>
> Allen
>
>
>
>
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>
> The original hardware was an Intel Core2 Duo.  This was upgraded with the
> mythbuntu 14.04 to an Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz system.  The
> video card was also upgraded at the same time to an Nvidia GeForce GT 630
> Rev. 2.  Both running the 64-bit flavor of linux with 8GB RAM.
> Jay
>
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