[diffoscope] diffoscope - Excessive memory usage?

[Chris Lamb]

Hello Greg,

> Potentially user error here, but hoping for some ideas.

Well, we don't like to assume user error — or putting it another way,
diffoscope should make it easy to do the right or expected thing. :)

> I pulled the latest diffoscope container image to compare two 4.7GB DVD 
> ISOs of the same disc. After starting it, it quickly used all 16GB of 
> RAM on the machine, and then another ~8GB of swap.

ISO images are particularly taxing for diffoscope, but it shouldn't be
hitting memory quite like that. I wonder: is the Docker container
using a tmpfs? That would certainly exhaust your memory very quickly,
as the ISO image needs to be extracted before its contents can be
compared.


Regards,

-- 
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