Linked Questions
18 questions linked to/from How can I get the amount of available memory portably across distributions?
2
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What is "effective used" memory on Linux? "used" or ("total"-"available")?
I need to display in GUI for operator used memory vs available on Linux Server
So what would be logically correct value to display as usage?
[root@host ~]# free
total used ...
0
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2
answers
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Why /proc/meminfo shows MemAvailable under Kernel Version 3.10?
I've been using CentOS 7 and its kernel version is 3.10. To check Kernel Version, I typed 'uname -r' and command showed 3.10.0-957.1.3.el7.x86_64
As far as I know, MemAvailable metric was introduced ...
5
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1
answer
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How are /proc/meminfo values calculated?
/!\ Current state: Update 4 /!\
Some /proc/meminfo values are a sum or a difference of some other values.
However, not much is said about how they are calculated in these two links (just do ctrl-f ...
4
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1
answer
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free command output: gentoo (redhat?) vs debian
I noticed there is a difference between outputs of free command:
On debian:
$ free -h
total used free shared buffers cached
Mem: 4.0G 3.4G ...
2
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1
answer
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Linux Memory: Discrepancy for Buffers+Cache between /proc/meminfo and free?
I have a host and I am not sure about the memory utilization when comparing the output of the free command and the contents of /proc/meminfo. Buffers+Cache don't seem to match between the two sources.
...
2
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1
answer
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why centos7 free command output available value less than free value
I ask a question, In my centos7, why available value less than free sometimes
I think available value is equal to free+buff+cache, available means when start a app how many memory can use?
[root@...
2
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1
answer
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Meaning of "available" field in "free -m" command
I am using Linux CentOS 7.2 version.
I have searched details about this but can't found any useful information.
What is this about?
1
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1
answer
650
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Linux memory calculation and mearsure: what plus what equals to what?
I've read some articles about Linux memory management and understand (perhaps not proficient) the concept of free memory, available memory, swap, etc. But when I check with the following command:
cat /...
1
vote
1
answer
446
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How shall I understand the output of free?
I have read What do the "buff/cache" and "avail mem" fields in top mean?
and
https://askubuntu.com/questions/770108/what-do-the-changes-in-free-output-from-14-04-to-16-04-mean. ...
1
vote
1
answer
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Linux Mint RAM Memory - Showing different usage and free space
I have just installed Linux Mint about 5 days ago, and then I have upgraded my RAM memory from 8 GB to 12 GB, and I have 4 GB more on the way, so it will get to 16 GB or RAM.
The only thing is, I don'...
0
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1
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MemAvailable higher than expected
$ free -h
total used free shared buff/cache available
Mem: 7.7Gi 4.5Gi 692Mi 305Mi 2.5Gi 2.6Gi
Swap: 2.0Gi ...
0
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1
answer
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Memory immediately available in Linux memory management system
This is the output of free -h command on my Ubuntu 18.04 laptop:
$ free -hg
total used free shared buff/cache available
Mem: 11G 4,2G 3,4G ...
0
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1
answer
546
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Free Memory Reporting [duplicate]
I have a system where we are constantly storing files into RAM (under /tmp/), processing them and then deleting them.
Some files we need to keep in RAM and other not.
My problem is that I want to ...
2
votes
0
answers
695
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Why the output of "free" is different from summation of memory usage for each process in "ps"?
I have a Redhat system which has a total of 64GB RAM. As per free output it is utilizing 47GB of RAM.
free -g
total used free shared buffers cached
Mem: ...
2
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0
answers
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Portable way to parse /proc/meminfo [duplicate]
I'm having trouble finding a generic code that work, here, for both CentOS 5/6 and CentOS 7 versions pc the /proc/meminfo file. I Want to compute the "Real Used memory" like free does.
(amounts ...