Difference between revisions of "Free (command)"
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↑ http://man7.org/linux/man-pages/man1/free.1.html
↑ https://unix.stackexchange.com/questions/87908/how-do-you-empty-the-buffers-and-cache-on-a-linux-system
Line 21: | Line 21: | ||
* <code>[[sar -r]]</code> | * <code>[[sar -r]]</code> | ||
* [[RAM]] and [[file Systems|filesystem]] | * [[RAM]] and [[file Systems|filesystem]] | ||
+ | * [[swapon]] | ||
* [[linux-ftools]] | * [[linux-ftools]] | ||
[[Category:Linux]] | [[Category:Linux]] |
Revision as of 06:57, 7 January 2020
free
[1] display amount of free and used memory in the system
free -h total used free shared buff/cache available Mem: 503G 21G 43G 2.1M 438G 478G Swap: 975M 50M 925M
free total used free shared buff/cache available Mem: 528029540 22891532 48868648 2128 456269360 501718128 Swap: 999420 51456 947964
Activities
- Emptying the buffers cache:
free -h && sync && echo 3 > /proc/sys/vm/drop_caches && free -h
[2] - Use
fio
withdirect=0
to fill up your cache.
See also
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