[mythtv-users] Howto prevent MythTV flushing/Syncing disk writes (LiveTV/Recordings) [ SOLVED ]

[Frosty]

Allan Stirling wrote:
> cal wrote:
>   
>> Allan Stirling wrote:
>>     
>>> When a slave backend is NFS mounted, as far as I understand
>>> it, a recording won't appear on the server (and thus other
>>> frontends) until it's synced.
>>>
>>> This means that mounted (non-streaming) live TV would not
>>> work very well, which as far as I can tell was the original
>>> intent of this piece of code.
>>>       
>> which is another good reason for a switch setting. Maybe when
>> qt4 lands in trunk ... 
>>     
>
> No, it is not.
>
> Sorry - But myth has _way_ too many user-twiddleables
> already. This confuses new users _and_ makes it harder to
> optimize a system.
>
> The real way to do it could be to only fsync if you're in
> this situation - To test (on startup):
>
> 1. SBE creates a file
> 2. Sends a request to MBE to read file (repeated for a few
> seconds)
> 3. If MBE couldn't read the file, fsync()
> 4. Test read again - If it now succeeds, set a fsyncneeded flag.
>
> If you're all on one box, none of this is required.
>
> Cheers,
>
> Allan.
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>   

I think thats a good reason to have an "Advanced Options" tick-box and 
hide most the tweaks.

Yours,
Frosty