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My server uses 77% of the Physical memory

Posted August 21, 2015 5.2k views
Configuration ManagementLinux Commands

My server uses 77% of the Physical memory.It is normal? I have only one html file uploaded to the server. see screenshots
1) http://i.imgur.com/8tlzvRK.png
2) http://i.imgur.com/nbK8B3X.png

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hakerboy
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hakerboy
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4 answers
Kint August 21, 2015

You are fine then. You have 867mb of free memory, with only 126mb actually used.

When you have free, unused memory, Linux will use it to cache objects. When the memory is actually needed to run programs then the cached objects are removed. Your graph in New Relic is showing you memory usage WITH buffers (line 1 in free -m). Your actual, hard memory usage is represented by line #2.

You’re fine, just disregard that graph.

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hakerboy August 21, 2015

thanks,Can you answer me one question? I wonder how many online customers to endure the server, when I have a $ 10 package? I have installed apache2, php5, phpmyadmin, mysql, sftpd. Thanks in advance.

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Kint August 21, 2015

I can’t possibly answer that, sorry.

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nayeembillah August 23, 2015

Hi, you can free up your cached memory using following command -
sh -c “sync; echo 3 > /proc/sys/vm/drop_caches”

Sometimes this cached memory not releasing it because it thinks it is being used and this causes problems.

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