2014年3月28日 · swapoff -a; edit /etc/fstab and comment any swap entries if present (you might be able to skip this step 2, and step 3 without step 2 may work for you). run: sudo systemctl mask "dev-sdXX.swap" (where XX is the swap partition. Note, you should use quotes around the unit name in case the name has escape characters/backslash. Also useful to do it ...

sudo swapoff -a Above command disables swap only for a current session, you need to comment out swap partition in /etc/fstab file. To do this you just need to add "#" (comment line) to the beginning of swap line. Steps are as: Open fstab file, type sudo gedit /etc/fstab in terminal. File's contents would look like this:

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swapoff /dev/x Since most of the pages are now present both in swap and in memory, the swapoff has very little to do and should be now blazingly fast (I saw hundreds of MB/s). History section ahead. The aforementioned python script is based on the rest of this answer, which in turn was my improvement of this older answer authored by jlong.

2021年4月5日 · we need to perform swapoff and swapon. so we set the vm.swappiness to 1. and we performed swapoff -a. but after 1-2 days , still swapoff -a is running and not finished , seems that "memory" that located on a disk isn't completely transferring to the memory cards

2017年11月9日 · You're missing what swapoff really does. Retiring swap space on a running machine, which is swapping, is extremely complex. 3.5G in 8min is likely very fast + is working as expected. Running swapoff doesn't just simply move code off disk into memory.

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2022年2月22日 · Set swappiness to 0, and swapoff -a & swapon -a; swapoff -a, and disable swap from fstab; From my understanding, both options disable swap completely. Option 2 for sure, since we swapoff -a and disable the swap from fstab. …

2023年4月4日 · When swapoff disables a swap device (or file), the data that’s stored there is read back into memory. If there isn’t enough available memory to do so (perhaps by swapping out to another swap device, if any are still available), swapoff fails with exit status 2.

2019年2月10日 · This makes such pages clean, so they can be discarded easily (without swapping, or writing to disk), so kernel can quickly transform part of memory from cached to free. It is a very short term trick, to shorten critical phases (swapoff/umount). –