Performance deteriorates if VMs have snapshots

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If VirtuCache cache media latency is low and VirtuCache write replication latency is also low, but you see high VM write latency, then please make sure that there are no snapshots on the VM. The below screenshot is an example of this problem.

Write Latency with VM with Snapshot
Screenshot showing high write latency for a VM with snapshot

 

If the read latency is high and/orĀ  the cache hit ratio is low, that too might result from a snapshot on the VM, as shown in the below read latency chart.

Read Latency for a VM with Snapshot
Screenshot showing high read latency and low cache hit ratio for a VM with snapshot
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