Starting in the VMware Aria Operations (SaaS) April 2023 update and VMware Aria Operations 8.12, the below out-of-the-box alerts have been disabled to reduce noise. As a result, you may experience a dip in the number of triggered alerts.
Environment
VMware Aria Operations 8.12.x
Resolution
The following alerts have been deactivated:
Virtual machine has disk I/O latency problem caused by snapshots
Virtual machine is running on snapshots for more than 2 days
Virtual machine disk I/O read latency is high
Virtual machine disk I/O write latency is high
Virtual machine has unsupported VMware Tools
Virtual Machine on a host with BIOS power management set to OS controlled is facing CPU contention
Virtual machine in a cluster is demanding more CPU than its entitlement
Virtual machine in a DRS cluster is demanding more CPU than its entitlement
Virtual machine is demanding more CPU than its entitlement
Virtual machine has CPU contention due to memory page swapping in the host
Virtual machine has CPU contention due to multi-vCPU scheduling issues (co-stop) caused by snapshots
Virtual machine has CPU contention due to multi-vCPU scheduling issues (co-stop) caused by too many vCPUs
Virtual machine has CPU contention due to long wait for I/O events
Virtual machine is demanding more CPU than the configured limit
Virtual Machine on a host with BIOS power management not set to OS controlled is facing CPU contention
Virtual Machine on a host with BIOS power management not set to OS controlled is facing CPU contention
Virtual Machine on a host with BIOS power management set to OS controlled is facing CPU contention
Virtual machine has memory contention caused by swap wait and high disk read latency
Virtual machine is experiencing memory compression, ballooning, or swapping due to memory limit
Virtual machine has memory contention due to memory compression, ballooning, or swapping
Additional Information
The above out-of-the-box alerts have been deactivated, however, you can choose to activate these in specific policies by grouping the right resources under a policy and activating them. For more details, see Activating the Deactivated Alerts for VMware Aria Operations (SaaS) or Activating the Deactivated Alerts for VMware Aria Operations 8.12.