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The graph you have attached represents, memory usage of the VM in %, it looks like 40% of <i><u>configured/assigned</u></i> memory is used by the VM and the thick line should represent the drastic consumption of memory assigned to VM.<br />
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40% memory consumption looks normal to me!<br />
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<b>Memory Usage</b> - Memory usage as percentage of total configured or available memory.<br />
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Virtual machine: &nbsp; Percentage of configured virtual machine “physical” memory<br />
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Reference link: <a href="https://www.vmware.com/support/developer/vc-sdk/visdk41pubs/ApiReference/memory_counters.html" rel="ugc nofollow">Memory Counters</a>
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The graph you have attached represents, memory usage of the VM in %, it looks like 40% of configured/assigned memory is used by the VM and the thick line should represent the drastic consumption of memory assigned to VM.

40% memory consumption looks normal to me!

Memory Usage - Memory usage as percentage of total configured or available memory.

Virtual machine:   Percentage of configured virtual machine “physical” memory

Reference link: Memory Counters [https://www.vmware.com/support/developer/vc-sdk/visdk41pubs/ApiReference/memory_counters.html]

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That doesn't tell anything important, just that there was a time some more memory has been used. As long as it is nothing lasting longer, and not going towards 100 percent, it is nothing to bother about.
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That doesn't tell anything important, just that there was a time some more memory has been used. As long as it is nothing lasting longer, and not going towards 100 percent, it is nothing to bother about.

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Hi - not so much the spikes in memory but the &nbsp;&quot;thickness&quot; in graph of memory usage toward end of graph<br />
<br />
see attached jpg - I'm just guessing frequency of work done by VM<br />
<br />
Thanks<br />
<a href="https://filedb.experts-exchange.com/incoming/2015/01_w02/891358/VM-Memory-graph.JPG" target="_blank" class="file-inline" title="VM-Memory-graph.JPG (44 KB)"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M67.508 468.467c-58.005-58.013-58.016-151.92 0-209.943l225.011-225.04c44.643-44.645 117.279-44.645 161.92 0 44.743 44.749 44.753 117.186 0 161.944l-189.465 189.49c-31.41 31.413-82.518 31.412-113.926.001-31.479-31.482-31.49-82.453 0-113.944L311.51 110.491c4.687-4.687 12.286-4.687 16.972 0l16.967 16.971c4.685 4.686 4.685 12.283 0 16.969L184.983 304.917c-12.724 12.724-12.73 33.328 0 46.058 12.696 12.697 33.356 12.699 46.054-.001l189.465-189.489c25.987-25.989 25.994-68.06.001-94.056-25.931-25.934-68.119-25.932-94.049 0l-225.01 225.039c-39.249 39.252-39.258 102.795-.001 142.057 39.285 39.29 102.885 39.287 142.162-.028A739446.174 739446.174 0 0 1 439.497 238.49c4.686-4.687 12.282-4.684 16.969.004l16.967 16.971c4.685 4.686 4.689 12.279.004 16.965a755654.128 755654.128 0 0 0-195.881 195.996c-58.034 58.092-152.004 58.093-210.048.041z"/></svg>VM-Memory-graph.JPG</a>
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VM-Memory-graph.JPG

Hi - not so much the spikes in memory but the  "thickness" in graph of memory usage toward end of graph

see attached jpg - I'm just guessing frequency of work done by VM

Thanks

What is this performance graph telling me for a VM

VMware, a software company founded in 1998,  was one of the first commercially successful companies to offer x86 virtualization. The storage company EMC purchased VMware in 1994. Dell Technologies acquired EMC in 2016. VMware’s parent company is now Dell Technologies.

VMware has many software products that run on desktops, Microsoft Windows, Linux, and macOS, which allows the virtualizing of the x86 architecture.  Its enterprise software hypervisor for servers, VMware vSphere Hypervisor (ESXi), is a bare-metal hypervisor that runs directly on the server hardware and does not require an additional underlying operating system.