memory issue - CentOS6.5 XI2012R2.9

[zaji_nms]

Re: Memory Issue
Postby zaji_nms » Mon Apr 07, 2014 9:02 am

Dear Expert,

we are running Nagios XI 2012R2.9 "Linux nagoisxi-Cust2 2.6.32-431.5.1.el6.x86_64 #1 SMP Wed Feb 12 00:41:43 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux" , centos 6.5 , but we are having memory utilization issue since beginning , would like to know is it a normal behavior or something to do in our system. kindly check the attached snap. after reboot it gets normal.

total hosts/services : 262/4000

[abrist]

Lets check to see if the usage is just disk buffers:

Code: Select all

free -m

[lmiltchev]

What is the hardware like on your Nagios XI server (HDD, CPU, RAM)?

Have you checked which processes utilize the most memory?

Go to:

Code: Select all

Admin->System Status

and

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Admin->Monitoring Engine Status

and post screenshots of these two pages.

[zaji_nms]

kindly check attached snap as requested

[tmcdonald]

What is the hardware like on your Nagios XI server (HDD, CPU, RAM)?

Have you checked which processes utilize the most memory?

Can you please respond to these two questions?

[zaji_nms]

HDD 127G available 97G
CPU 4 virtual ( cpu MHz : 2396.864 )
MEM 16Gb

when i use top command i can see ofently httpd / mysqld the most and other nagios check execution

Regards

[tmcdonald]

Do you have anything else running on this system beside Nagios XI? Any virus scanners, mail servers, possibly a DNS server?

Also can you please reply to abrist's question from a few posts back?

Lets check to see if the usage is just disk buffers:

Code: Select all

free -m

We need you to answer the questions we ask otherwise we won't be able to help.

[zaji_nms]

we are only running xi ,

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# free -m
             total       used       free     shared    buffers     cached
Mem:         15951      11383       4568          0        174       9562
-/+ buffers/cache:       1645      14306
Swap:        16383          0      16383

Mod Note: Please wrap this sort of thing in code tags so as to preserve the spacing, as I have done in this post

[abrist]

-/+ buffers/cache: 1645 14306

Your server is only actually using 1.6gb. The other usage is for disk cache/buffers and should not effect performance at all as the kernel will de-allocate disk buffer memory as needed.

[zaji_nms]

then why it is showing
total used free
Mem: 15951 11383 4568

why it not gets normal is it default behavior or is there any memory leak issue ?