If you're monitoring a typically-active HCP system (roughly 75 operations per second per node), you can use this table to determine the number of HCM instances you need. This table lists the number of HCM instances you need based on the number of nodes in your HCP system and the number of days that you want your HCM system to retain the data it receives from HCP.
If your system is more active, see Number of instances: detailed procedure.
| HCP nodes | Data retention time on HCM | Instances needed |
|---|---|---|
| Up to 8 | Up to 30 days |
1* |
| Up to 8 | Up to 60 days |
3* |
| Up to 16 | Up to 30 days | 4 |
| Up to 24 | Up to 60 days | 8 |
|
*An HCM system must have a minimum of 4 instances to maintain high system availability. |
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