Docker performance terrible

Apps and Virtualization
1

Finally got tired of my *arr docker apps, either working well one day and terrible the next. Moved all of them over to a mini pc and all the issues went away, No more speed issues, or hanging issues. On scale I found that if radarr or sonarr were updating info from the disks all the other docker images would just hang or crash. This was the same for any of the docker apps. If anything was busy they would just hang.

2

I have 30 qbittorrent clients, plex, npm, adguard home, tailscale, a couple webservers, thelounge, grafana, codeserver, cloudflared, audiobookshelf, sonarr, radarr, prowlarr, overseerr, etc running without anything hanging or crashing, only being rebooted for TrueNAS updates.

I donā€™t think itā€™s ā€œScale,ā€ itā€™s something with the system youā€™re running Scale on.

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3

You need to post your hardware, os version and pool layout details.

Wild guess is you have your apps on spinning rust, aka HD, instead of SSD or NVME pool.

I was going to use Jorsher as an example but then looked at the ā€˜My Systemā€™ sig, but that is not a normal system. Itā€™s a small datacenter. So many hard drivesā€¦

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4

For the record, I ran just about the same on an e3-1275v6 prior to the current system. It didnā€™t have enough RAM for everything Iā€™m running now (~70gb for services), however there were definitely no performance issues, my CPU utilization stayed between 10-20%, and nothing ever hung or crashed.

Iā€™m wondering if he set the app drives to spin-down and had to wait for them to spin back up every time something accessed the disks ā€“ or if some of the drives had issues. I am 99.99% confident that it was not a ā€œScaleā€ issue, though.

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5

As an update, I had been having this issue, since eel. I just updated to fangtooth rc1 and all of my bottleneck type issues have vanished. Iā€™m not a computer genius, but usually tend to figure out problems. I am still baffled as to why these issues had persisted. I am just thankful that with the latest update, The problems are gone.

I would like to thank those of you who chimed in with suggestions and comments. Itā€™s nice to know that the community is willing to help when needed.

2 Likes