Timeline for System lags when doing large R/W operations on external disks
Current License: CC BY-SA 4.0
28 events
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| May 17, 2021 at 19:59 | comment | added | Winampah | SourceJedi, summing it up, if I had to put it into a few words: How would I go around into applying these same changes system-wide, and not only in one command? The problems I'm having are system-wide. | |
| May 17, 2021 at 19:47 | comment | added | Winampah | SourceJedi, another way to reproduce the problem I'm having is running the Swapoff command, or even a DD command to create an empty file on disk. This happens on MX Linux (a modified version of Debian Buster with updated kernel 5.8 among other updates...) Swapoff a swapfile that is occupying less than 1 GB will take more than 5 minutes to complete. But when I do the same tests in Manjaro, they are instant. More details are described in a question I've just created. | |
| May 17, 2021 at 19:45 | comment | added | Winampah | Hey SourceJedi, your answer seems to be the solution for me as well, but I'm having a deeper problem than that: my problem is system-wide, the slowness and unresponsiveness happens everytime Disk Swapping is needed, and I run applications that don't have a direct memory control (Dot Net, C#, etc) which means they RELY on disk swapping to operate normally, it's not avoidable (applications are not mine, I don't have the source) But here's the catch: the same issues DO NOT happen when I reboot into Manjaro. In Manjaro, disk operations are instant. | |
| Aug 17, 2019 at 21:55 | comment | added | Hi-Angel | In case anybody's wondering, how heavy IO could possibly influence already running in RAM apps: this mail summarizes it, basically, the reason is that GUI using text, and that text resides in RAM cache (I guess by "text" they mean "fonts"). And when heavy IO happens, that text may get evicted from the cache, so it needs to be read from the storage anew, which results in lags and freezes for GUI. | |
| Mar 26, 2019 at 13:01 | history | edited | sourcejedi | CC BY-SA 4.0 |
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| Feb 21, 2019 at 12:04 | history | edited | sourcejedi | CC BY-SA 4.0 |
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| Feb 21, 2019 at 11:58 | history | edited | sourcejedi | CC BY-SA 4.0 |
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| Jan 7, 2019 at 7:00 | comment | added | Mr. T | Thanks for updating this answer. Indeed your original one fixed my issues, but I'm now using direct reads and writes on all the imaging operations and system performance isn't having any issues. | |
| Jan 4, 2019 at 13:23 | comment | added | sourcejedi | @Mr.T I'm afraid it is a bit messier now. I edited it because I don't trust the 2013 LWN article any more. | |
| Jan 4, 2019 at 13:22 | history | edited | sourcejedi | CC BY-SA 4.0 |
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| Oct 9, 2018 at 13:47 | history | edited | sourcejedi | CC BY-SA 4.0 |
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| Oct 9, 2018 at 9:19 | vote | accept | Mr. T | ||
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| Oct 9, 2018 at 8:28 | history | edited | sourcejedi | CC BY-SA 4.0 |
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| Oct 9, 2018 at 8:23 | history | answered | sourcejedi | CC BY-SA 4.0 |