Is Plesk consuming too much RAM?

Jackwebs

Jackwebs

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I switch my websites from cPanel to Plesk Onyx but when I checked free - m, I saw my server is using 90% of RAM while with cPanel my server just used around 70% to 80% of RAM. Is Plesk consuming too much RAM?
 
cloudean

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Hello, greetings.

Not necessary in comparison; In fact Plesk Onyx is lightweight!
Look at number of Plesk Extensions you are using .... also have you optimized the server?

Setup that you have done at cPanel and Plesk Onyx could be Identical but not same!

Regards
 
bountysite

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In free -m , check the column available to know how much memory is available for use.
 
Jackwebs

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Jackwebs
It is just telling me how much RAM I am using.
 
bountysite

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bountysite
Code: 
# free  -m
              total        used        free      shared  buff/cache   available
Mem:          32123       26124         210        1666        5788        4248
Swap:          1021        1021           0
Check available column. Used can be misleading as it does not mean memory not available, as some memory is cached by kernel and will be available when needed.
 
tuxandrew

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Jackwebs said:
I switch my websites from cPanel to Plesk Onyx but when I checked free - m, I saw my server is using 90% of RAM while with cPanel my server just used around 70% to 80% of RAM. Is Plesk consuming too much RAM?
Click to expand...

The “free -m” command displays the total amount of memory.
This includes used physical memory, swap memory in the system and the buffers used by the kernel.

Free Memory = ( Total - Used + Buffer + Cache )

Linux by default tries to use RAM in order to speed up disk operations by making use of available memory for creating buffers and cache. If an applications request memory, then Linux Operating System will free up the buffers and cache to yield memory for the new application requests.

So always consider the sections 'Used + Buffer + Cache ' while calculating the free RAM of a Linux System from a free -m report.
 
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