Written on April 14, 2009 at 12:25 pm by

Free Linux RAM

Filed under Linux {3 comments}

To free pagecache:
echo 1 > /proc/sys/vm/drop_caches

To free dentries and inodes:
echo 2 > /proc/sys/vm/drop_caches

To free pagecache, dentries and inodes:
echo 3 > /proc/sys/vm/drop_caches

do not forget to use sync before using above command.


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Article by Dhaval Thakar

Hi, I am Linux Admin. You'll find my articles small & without much descriptions.
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  • http://10sa.com Przemylaw

    Did you mean “sync” instead of Rsync?

    –
    best regards

  • http://www.linuxreaders.com dhaval thakar

    it is sync.
    sync is the command used on Linux to synchronize data from RAM to HDD

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