Regular out of memory problems

I am suddenly getting regular out of memory issues on my server. This has not been a problem until the last week or so and it is now happening every day or two as reported by Fix Common Problems. I have 16GB of RAM and the Dashboard shows 45% used but Dynamix System Stats plugin shows <1GB free and 4GB cached so I don't know why they don't agree. I don't have any VMs running but I do have a handful of docker containers (the biggest one being Crashplan using ~4GB RAM a

By yippy3000, July 19, 2017
32 replies

I had this problem a few months back. I fixed by installing the "Tips and Tweaks" plugin and on the 'Tweaks' tab making the following two changes. Disk Cache 'vm.dirty_background_ratio' (%): to 2% Disk Cache 'vm.dirty_ratio' (%): to 4% I have not had the problem since then. (These two variables determine the amount of RAM that the OS uses as a cache because the OS delays writes to the disk(s) to improve the responsiveness to interactiv