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18 lines
352 B
Bash
18 lines
352 B
Bash
#!/bin/bash
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# free up cache RAM
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# http://linux-mm.org/Drop_Caches
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free
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time sync
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echo 1 > /proc/sys/vm/drop_caches # free pagecache
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free
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#To free dentries and inodes:
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[ "$*" = "2" ] && echo 2 > /proc/sys/vm/drop_caches
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#To free pagecache, dentries and inodes:
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[ "$*" = "3" ] && echo 3 > /proc/sys/vm/drop_caches
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#echo 3 > /proc/sys/vm/drop_caches
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