[Bug 1764180] Re: System slows down to almost freeze

2018-04-17 Thread Guus Ellenkamp
I changed the scheduler to from 'cfq' to 'deadline' and I increased to commit times. That seems to have solved the problem for me as today the system did not slow down to almost freeze anymore with the same load. To me it somehow still is a bug as I think an OS is not supposed to slow down that mu

Re: [Bug 1764180] Re: System slows down to almost freeze

2018-04-16 Thread Guus Ellenkamp
Hi Theodore, Thanks for your reply. As far as I know the system is not swapping, at least not a lot, but as indicated, very hard to figure out what is going on without being able to use a terminal screen. I also set the swap space to another disk than the disk that seems to be causing the issu

[Bug 1764180] Re: System slows down to almost freeze

2018-04-16 Thread Theodore Ts'o
Your system sounds like its thrashing due your processes wanting to you more memory than is available in your system. (BTW, this has nothing to do with e2fsprogs). Some links to pages that might be helpful: http://blog.scoutapp.com/articles/2015/04/10/understanding-page-faults-and-memory-swap-in