alert to use criticism to host swap

I'm alert use criticism swap in one of the called nagios monitoring tool.

(1) However when I went to the host to vCenter and checked the memory in the cluster, the use of the respective host memory usage is only 66%

Also I went to tab performance to a host, when I chose the memory, she shows a high spike of 1 min and suddenly, it sank.

My question is:How can I identify, VM uses more swap on this host, or what the cause of this high spike?


(2) since the ESXi command line, esxtop "m" output shows below


SWAP /MB: curr 123, 122 rclmtgt: r/s 0.00, 0.00 w/s


which means that it uses 123 MB swap and recovery memory is 0.


My query is, when I see that 66% of the memory use, then it shows why he is using swap? and I don't know how to avoid this situation in the future?


Can someone please, I searched and did not find anything relevant.

Hello

While staying in esxtop on the memory screen, press 'V' - this will filter the display by virtual machines. From here you want to look at the SWCUR column to see what VM uses the pagefile.

Once you have established which VM then you should ensure that you have no memory limit on the virtual machine:

Kind regards.

Tags: VMware

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