Host Memory Metrics

[edutz1014]

Prepping for my VCP

If I am troubleshooting possible Host level memory issues. Which of these metrics would be the most appropriate to determine a bottleneck

1. MEMSZ

2. MEMCTL

3. SWAP

4. ZIP

5. MCILTGT

My Thought is to use --MEMSZ, MEMCTL and SWAP. Some of the sites i looked at say to use zip as well.

What is the VMware recommended metrics to focus on for Host level memory bottlenecks?

Thanks

[scott28tt · Accepted solution]

The three techniques used when host memory becomes low are ballooning (MEMCTL), compression (ZIP) and vmkernel swapping (SWAP).

See chapter 6 of the Resource Management Guide: http://pubs.vmware.com/vsphere-50/topic/com.vmware.ICbase/PDF/vsphere-esxi-vcenter-server-50-resourc...

Scott.

[edutz1014]

Thanks Scott