[mythtv] wanted: developers that use mythfilldatabase

[Peter Bennett]

On 2/8/20 6:34 PM, Hans Dingemans wrote:
> Hi all,
>
> First of all big thanks to all of you for this great software; I have 
> been using Mythtv for years, very happy with it!!! However, as an 
> enthusiastic open-source developer I always seek possibilities to 
> improve and to contribute.
>
> Apart from my production server I now am experimenting with frontend + 
> backend on a Raspberry Pi, trying to get it so far that it can play 
> HLS streams from websites like https://watchnewslive.tv .
> A problem I encountered is that when trying to load the EPG for all 
> those stations, mythfilldatabase uses too much memory and freezes up 
> the (4Gb-version of the) Pi.
> Turns out that the entire xml-file is kept in memory multiple times. I 
> made a patch which reduces memory usage 6 times.
>
> The nice thing about these offline software is you can test it easily; 
> I just backup my sql database, load a test xml file with "production" 
> mythfilldatabase, dump the database, restore it to its old version, 
> reload the same xml file with my patched mythfilldatabase, dump it 
> again, and do a compare against the dumps.
>
> To make sure all the different xmltv-dialects out there are working, I 
> am looking for test xml-files from allover the world; the more 
> diverse, the better.
> Please send them to my gmail address, if it is too large, send me a pm 
> so we can see how to transfer.
>
> Thank you!
>
> Hans.
>
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Did you see the solution that I use? I run 3 days at a time in a script. 
If needed you can reduce it to 1 day at a time. See link below
https://www.mythtv.org/wiki/Mythfilldatabase#Memory_Usage

Peter
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