RPI3 swap experiments ["was killed: out of swap space" with: "v_free_count: 5439, v_inactive_count: 1"]

[Jamie Landeg-Jones]

Mark Millard <marklmi at yahoo.com> wrote:

> If Inact+Laundry+Buf(?)+Free was not enough to provide sufficient
> additional RAM, I'd would have guessed that some Active Real Memory
> should then have been paged/swapped out and so RAM would be made
> available. (This requires the system to have left itself sufficient
> room in RAM for that guessed activity.)
>
> But I'm no expert at the intent or actual operation.
>
> Bob P.'s reports (for having sufficient swap space)
> also indicate the likes of:
>
> v_free_count: 5439, v_inactive_count: 1
>
>
> So all the examples have: "v_inactive_count: 1".
> (So: vmd->vmd_pagequeues[PQ_INACTIVE].pq_cnt==1 )

Thanks for the feedback. I'll do a few more runs and other stress tests
to see if that result is consistent. I'm open to any other idea too!

Cheers, J