I’ve had my Synology Diskstation ds415+ network attached storage device since late 2015, replacing my custom FreeNAS box. It came with 2GB of RAM, which is fine for basic file serving, but limited when running multiple applications, including Docker containers. Once applications start swapping onto the hard disks, everything starts grinding to a halt. I finally reached the breaking point on this last night when I had to reboot the NAS once more.
If you’re like me and have upwards to 30-50 browser tabs open at the same time, you may notice that your computer becomes sluggish. In my case this was because all the tabs still consume memory even though I might not need them for some period of time. I still like to keep some tabs that I might need to quickly refer back to later. I recently found a Chrome extension called The Great Suspender that automatically replaces the tab with a placeholder page after a certain period of time, optionally with a screenshot of what the page looked like. Continue Reading
If you installed VMware ESXi on a USB stick like I did, the “scratch space” (used for storing logs and debug information) is stored on a RAM disk. This takes up 512MB of memory that could otherwise be provisioned to virtual machines. In addition, it does not persist across reboots, which explains why I was never able to find any logs after a crash. Also I was seeing random “No space left on device” errors when I was trying to run the munin monitoring script for ESXi. The solution to this is to simply create a folder on a disk, and Continue Reading