linux:linux_memory_swap
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linux:linux_memory_swap [2021/02/11 16:15] manu created |
linux:linux_memory_swap [2021/02/11 16:35] (current) manu [List memory inuse] |
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| ====== Linux Swap and memory ====== | ====== Linux Swap and memory ====== | ||
| + | |||
| + | ===== List memory inuse ===== | ||
| + | |||
| + | You can use **free [-h|-k|-m|-g]** | ||
| + | <cli prompt='#'> | ||
| + | opensuse:~ # free -h | ||
| + | total used free shared buff/cache available | ||
| + | Mem: 15Gi 10Gi 1.2Gi 1.4Gi 3.9Gi 3.4Gi | ||
| + | Swap: 9Gi 0B 9Gi | ||
| + | opensuse:~ # free | ||
| + | total used free shared buff/cache available | ||
| + | Mem: 16289016 10924400 1259800 1440724 4104816 3600328 | ||
| + | Swap: 10485756 0 10485756 | ||
| + | </cli> | ||
| + | |||
| + | Memory available | ||
| + | <cli prompt='#'> | ||
| + | opensuse:~ # cat /proc/meminfo | ||
| + | MemTotal: 16289016 kB | ||
| + | MemFree: 1077280 kB | ||
| + | MemAvailable: 3419608 kB | ||
| + | Buffers: 141848 kB | ||
| + | Cached: 3983768 kB | ||
| + | SwapCached: 0 kB | ||
| + | ... | ||
| + | </cli> | ||
| + | |||
| + | Swap available | ||
| + | <cli prompt='#'> | ||
| + | opensuse:~ # swapon -s | ||
| + | Filename Type Size Used Priority | ||
| + | /dev/sda5 partition 10485756 0 -1 | ||
| + | </cli> | ||
| + | <cli prompt='#'> | ||
| + | opensuse:~ # cat /proc/swaps | ||
| + | Filename Type Size Used Priority | ||
| + | /dev/sda5 partition 10485756 0 -1 | ||
| + | </cli> | ||
| ===== Clear / clean swap ===== | ===== Clear / clean swap ===== | ||
| Line 16: | Line 54: | ||
| <cli prompt='#'> | <cli prompt='#'> | ||
| # sync; echo 3 > /proc/sys/vm/drop_caches | # sync; echo 3 > /proc/sys/vm/drop_caches | ||
| + | </cli> | ||
| + | |||
| + | **Another way** | ||
| + | |||
| + | If you want to clear Swap space, you may like to run the below command. | ||
| + | <cli prompt='#'> | ||
| + | # swapoff -a && swapon -a | ||
| </cli> | </cli> | ||
linux/linux_memory_swap.1613056529.txt.gz ยท Last modified: 2021/02/11 16:15 by manu
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