Re: Swappiness in Buster

2020-07-07 Thread Martin Reissner
For the sake of completeness, I seem to have solved it after some more research and it turned out to be systemd, as following bug that was reported for Centos7 seems to be applying to Debian Buster as well: https://github.com/systemd/systemd/issues/9276 Luckily the workaround mentioned in: https

Re: Swappiness in Buster

2020-07-07 Thread Martin Reissner
On 06/07/2020 23:27, deloptes wrote: > May be look deeper in documentation - I recall asking few years ago and was > answered that now it would cache whatever it can and will free on demand. > swap is done only if memory is really insufficient. > > I don't recall when or where I asked read this >

Re: Swappiness in Buster

2020-07-06 Thread Martin Reissner
On 06/07/2020 18:11, songbird wrote: > Martin Reissner wrote: > >> Hello, >> >> ever since upgrading machines to Buster the vm.swappiness sysctl >> parameter doesn't seem to do anything anymore and regardless on how I >> set it via sysctl or directl

Swappiness in Buster

2020-07-06 Thread Martin Reissner
Hello, ever since upgrading machines to Buster the vm.swappiness sysctl parameter doesn't seem to do anything anymore and regardless on how I set it via sysctl or directly in /proc the system behaves as it would have a pretty high swappiness and thus is swapping out quite a bit under load, using t