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Sort proccess by memory used
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| #!/bin/bash | |
| #sort | |
| ps -eo size,pid,user,command | awk '{ hr=$1/1024 ; printf("%13.6f Mb ",hr) } { for ( x=4 ; x<=NF ; x++ ) { printf("%s ",$x) } print "" }' | sort | |
| # memory statistics | |
| cat /proc/meminfo | |
| # drop cache (but not for VPS) | |
| sync | |
| echo 1 > /proc/sys/vm/drop_caches | |
| echo 2 > /proc/sys/vm/drop_caches | |
| echo 3 > /proc/sys/vm/drop_caches | |
| # clear swap | |
| swapoff -a | |
| swapon -a | |
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