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4.1.4 speed estimate is not completely innacurate #9946
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If I remember correctly, that was reported before, as well as, different speed in status bar and in the list of torrents. |
For an unknown reason here slips in a single reading circa 2^63 from underlying code. Divided by 72 (averaging interval for 6 hour graph) it gives spikes of 114 PBytes/s on 6hour graph and 1.3 EBytes/s on 30min graph. But this event happens too rarely and unpredictably to be effectively debugged. Personally I suspect some change in libtorrent, but have no proves here :( . May be it worth to add some filtering / logging for incoming data? |
Can you not clamp or filter out clearly excessive values. In general when I've coded up speed estimating software, the greater the deviation from the average, the more samples you need to take to get certainly that things are actually changing. At most you let things grow by 2x per sample. In a bandwidth scenario that means it would take a full 40 samples to truly reach PB/s from MB/s. Since, in reality, people will only go up/down a couple of orders of magnitude, for normal speed changes, you catch up in just a handful of samples. Whereas, if you get utterly crazy values above/below the real value, you aren't really affected unless you keep getting them coming in. |
@CyrusNajmabadi |
Nope system never suspends |
@MarkoxD it is not that big issue for me and I like overall qB v4. |
It's so annoying and still isn't fixed. The download/upload speed from torrent list and status bar are still different too. |
Duplicate of #7920 |
Something in the latest release has changed with speed estimate. It now is often wildly wrong. My home connection is 150mbps. So i'm obviously not downloading at PB/s or EB/s ranges (yes, i've seen the latter). There must be something wrong in the speed estimator where it occasionally divides by an incredibly tiny value, producing some massive value like this. Obviously, this makes the speed chart totally useless. This definitely did not occur in 4.1.3.
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