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Old 01.07.2013, 06:42
JD Beta
Join Date: Feb 2013
Posts: 53
Default JDownloader 2 Slowing Down at 50+%

Limit is 1 download at a time, with 20 simultaneous connections. Download speeds are fine until around 50% completion, then the speeds drop to less than 10% of my bandwidth capacity. I have tried different settings; increasing number of downloads, decreasing number of connections per download, increasing priority etc. Nothing seems to work. Stopping and starting helps, temporarily.

I ran tests with 1gig+ files, multiple hosts.

I did notice that while running two downloads, with 8 connections each, my speeds did not suffer until one of the downloads jumped ahead of the other (percentage-wise), so it seemed Jdownloader gave priority to the file that was 'less complete' than the other, and increased the download speed until the two were at equal completion percentage. When the two were equal, my speeds dropped severely, comparable to dial-up.

Anyone else experiencing this? My internet speeds are consistent around 7MB/s, until Jdownloader downshifts. I do not experience this problem with other download managers, and my ISP does not throttle.

Win7 Home Premium SP1 x64
Intel Core i7-3770K CPU @ 3.5GHz 3.9GHz
16.0 GB Ram
NVIDIA GeForce GTX 560 2GB

I should note that I am running triple monitors, and I have tried running downloads in JD without minimizing the program (as someone else was experiencing issues with this). I am also running Java 7 update 21.

Thank you.
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