How do you manage large number of torrents?

[Zenya393]

have 14K torrents to manage to private trackers.

With that many torrents I experience the following problems:

1. QBT consumes a lot of CPU if I don't queue the uploads.

2. If I limit the upload via queuing, which reduces CPU, QBT also doesn't report the torrent to the tracker. Since I have rare torrents on a private tracker, the tracker will assume there are zero seeders and prune, and then I'm left with dead trackers.

One solution I am considering is queuing/limiting the uploads, then rotating through the 14K torrents and forcing, which reports to the tracker, then un-force.

How do you many large number of torrents on private trackers that will prune if you don't report the torrent within a time frame?

[qBittUser]

Using latest qBit with libtorrent v1.2 or v2.0?

What if instead of queuing you limit upload slots and speed?

[PinBalldr]

I am at 665 torrents with 399 running in QBit 5.1.0. (this is most I ever kept in QBit. I limit my total bandwidth and I am on fiber (1MB up and 800 KB down on fiber connection with a computer and router 5+ years old) This allows me plenty of bandwidth for the other computer to do all my computer's browsing. This I found combo by trial and error.
The 260+ stopped will be restarted as demand and percentages change. I have had 500+ for a few months now and found this balance for MY SETUP. Yours maybe different according to your situation (other computers, tablets, etc) in use and your available bandwidth. .....Suggest you 1) set global band width of QBit according to YOUR connections, 2) limit speed per torrent in options/ speed.
Since you are more than 2x me in #of torrents, my numbers are given as MY working example.
One other note; I trade both rare (under 5 seeders) and heavy (30+) seeders.
So for low seeders and some smaller , I set my ratios higher (5x) ratio, some as high as 50 to make sure they don't disappear.
Also, I run Task Manager in windows to watch the performance mode, this graphically shows when CPU or memory usage gets too high. If you are using windows, try using that with the graph showing. Then you can see when something spikes or stays too high.

[qBittUser]

@PinBalldr

User wanted to have low CPU usage but also to make private trackers to continue to work for all torrents instead of getting account suddenly disabled by the tracker for somekind of inactivity. I guess that private trackers have different rules what's necessary to do to keep account enabled and I think it's not always by share ratio.

Limiting by ratio or queue will unexpectedly stop torrents and cause extra manual work. Better to consider limiting upload speed and try if increase or decrease upload slots helps.

qBit 5.1.0

Latest is v5.1.2 and if you didn't get update notification then that's a known issue with v5.1.0 & v5.1.1

when CPU or memory usage gets too high.

If using qBit with libtorrent v2.0.11, then consider changing Disk IO to Simple pread/pwrite in qBit advanced options and restart client. It was mentioned long ago in official news page when v5.0.1 was released. It helps some users with various libtorrent v2 related issues. Otherwise try qBit with libtorrent v1.2 series to see if it's faster and more efficient.