Clear swap in Centos

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Revision as of 14:55, 14 May 2013 by 217.30.203.164 (talk) (Created page with "Print memory usage <pre> [root@localhost]# free -m total used free shared buffers cached Mem: 15658 11521 4137 ...")

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Print memory usage

[root@localhost]# free -m
             total       used       free     shared    buffers     cached
Mem:         15658      11521       4137          0         17       4398
-/+ buffers/cache:       7105       8553
Swap:         4095       3995        100

Clear swap (may take a time)

[root@localhost]# swapoff -a && swapon -a

Memory usage after swap clearing

[root@localhost]# free -m
             total       used       free     shared    buffers     cached
Mem:         15658      15490        168          0         21       4437
-/+ buffers/cache:      11030       4627
Swap:         4095          4       4091

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