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qBITTORRENT CONSUMES AN INCREDIBLE AMOUNT OF RAM¡¡¡ #5950

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opened 2026-02-21 18:08:32 -05:00 by deekerman · 9 comments

deekerman commented

2026-02-21 18:08:32 -05:00

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Originally created by @stn666stn on GitHub (Aug 19, 2017).

Please provide the following information

qBittorrent version and Operating System:

qBITORRENT V3.4beta 64bits, Windows 10Pro 64bits

If on linux, libtorrent and Qt version:

What is the problem:

Seeding only one file i´ve noticed qbittorrent is wasting 334,8Mb of ram¡,,,this cannot be true¡¡¡

What is the expected behavior:

qbittorrent neccessarily has to use lots of less RAM, stable version don´t uses more than 30-50Mb¡

Steps to reproduce:

nothing, only opening qb and going to task administrator you see, at this moment, 335,1Mb wasted by qt.

Extra info(if any):

Originally created by @stn666stn on GitHub (Aug 19, 2017). **Please provide the following information** ### qBittorrent version and Operating System: qBITORRENT V3.4beta 64bits, Windows 10Pro 64bits ### If on linux, libtorrent and Qt version: ### What is the problem: Seeding only one file i´ve noticed qbittorrent is wasting 334,8Mb of ram¡,,,this cannot be true¡¡¡ ### What is the expected behavior: qbittorrent neccessarily has to use lots of less RAM, stable version don´t uses more than 30-50Mb¡ ### Steps to reproduce: nothing, only opening qb and going to task administrator you see, at this moment, 335,1Mb wasted by qt. ### Extra info(if any): ![qb ram consumption](https://user-images.githubusercontent.com/31160465/29487072-f9a90686-84f3-11e7-98d3-7904c6f0a28f.jpg)

deekerman closed this issue

2026-02-21 18:08:36 -05:00

deekerman commented

2026-02-21 18:08:38 -05:00

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@thalieht commented on GitHub (Aug 19, 2017):

Should be fixed by #7297

@thalieht commented on GitHub (Aug 19, 2017): Should be fixed by #7297

deekerman commented

2026-02-21 18:08:38 -05:00

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@stn666stn commented on GitHub (Aug 19, 2017):

Exactly at this moment QB is using.....811,1Mb of RAM¡¡¡

@stn666stn commented on GitHub (Aug 19, 2017): Exactly at this moment QB is using.....811,1Mb of RAM¡¡¡

deekerman commented

2026-02-21 18:08:38 -05:00

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@stn666stn commented on GitHub (Aug 19, 2017):

i know this is a beta versión...but 811Mb of ram???? is there any momentarily solution?

@stn666stn commented on GitHub (Aug 19, 2017): i know this is a beta versión...but 811Mb of ram???? is there any momentarily solution?

deekerman commented

2026-02-21 18:08:38 -05:00

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@ghost commented on GitHub (Aug 19, 2017):

Under Options > Advanced >libtorrent section

Set the value of Disk write cache size to something you feel comfortable with.
15MiB let qBittorrent shrink to around 90MB RAM-usage for me, careless of how many torrents I had loaded into qBittorrent.

@ghost commented on GitHub (Aug 19, 2017): Under Options > Advanced >libtorrent section Set the value of Disk write cache size to something you feel comfortable with. 15MiB let qBittorrent shrink to around 90MB RAM-usage for me, careless of how many torrents I had loaded into qBittorrent.

deekerman commented

2026-02-21 18:08:38 -05:00

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@stn666stn commented on GitHub (Aug 19, 2017):

Thanks for the help Thalieht. I left the value of disk cache set at 10Mb (auto-mode appears not working properly) using qb now about 90Mb at this moment.
Maybe some option of my qb settings did a bad job ...
I´m using: integrated tracker with it´s port open, added a list of trackers and limits connections using "azureus upload calculator....and ip filter from emulesecurity...

Another question.....i´m not able to créate an account in qbforums with that ridiculous and confusing captcha.
I´d like leave a commnet about the new icons cause some of them still have the older style, but
I don´t know what have to put in the second blank space.....please help....

@stn666stn commented on GitHub (Aug 19, 2017): Thanks for the help Thalieht. I left the value of disk cache set at 10Mb (auto-mode appears not working properly) using qb now about 90Mb at this moment. Maybe some option of my qb settings did a bad job ... I´m using: integrated tracker with it´s port open, added a list of trackers and limits connections using "azureus upload calculator....and ip filter from emulesecurity... Another question.....i´m not able to créate an account in qbforums with that ridiculous and confusing captcha. I´d like leave a commnet about the new icons cause some of them still have the older style, but I don´t know what have to put in the second blank space.....please help....

deekerman commented

2026-02-21 18:08:38 -05:00

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@thalieht commented on GitHub (Aug 20, 2017):

I don´t know what have to put in the second blank space....

You have to answer the question. I'm not sure if it's always the same question but i always get "what's the name of the project (all small letters)" i.e. "qbittorrent"

@thalieht commented on GitHub (Aug 20, 2017): >I don´t know what have to put in the second blank space.... You have to answer the question. I'm not sure if it's always the same question but i always get "what's the name of the project (all small letters)" i.e. "qbittorrent"

deekerman commented

2026-02-21 18:08:38 -05:00

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@stn666stn commented on GitHub (Aug 20, 2017):

Thnks again, mate. I alreasdy did it...system changed second question..."three times seven in numbers"...hahaha

@stn666stn commented on GitHub (Aug 20, 2017): Thnks again, mate. I alreasdy did it...system changed second question..."three times seven in numbers"...hahaha

deekerman commented

2026-02-21 18:08:38 -05:00

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@sledgehammer999 commented on GitHub (Aug 21, 2017):

This is already fixed.
Also this is the first time that "auto" started working as it should. Up until now we used libtorrent 1.0.x series. v3.4.0 switched to the 1.1.x series. Normally under auto mode libtorrent would use 1/8 of system RAM. But the 1.0.x had a bug and it actually disabled the cache instead of telling to use 1/8 of system RAM. Now the new default for the cache is to disable it. Thus mimicking the same behavior as before. Users will still be able to manually choose "auto" which in this case will start using 1/8 of system RAM.

@sledgehammer999 commented on GitHub (Aug 21, 2017): This is already fixed. Also this is the first time that "auto" started working as it should. Up until now we used libtorrent 1.0.x series. v3.4.0 switched to the 1.1.x series. Normally under auto mode libtorrent would use 1/8 of system RAM. But the 1.0.x had a bug and it actually disabled the cache instead of telling to use 1/8 of system RAM. Now the new default for the cache is to disable it. Thus mimicking the same behavior as before. Users will still be able to manually choose "auto" which in this case will start using 1/8 of system RAM.

deekerman commented

2026-02-21 18:08:38 -05:00

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@stn666stn commented on GitHub (Aug 21, 2017):

Thank you, sledgehammer999

@stn666stn commented on GitHub (Aug 21, 2017): Thank you, sledgehammer999