For a peak load, the workloads are managed by vertically scaled setups of VMware Pulse IoT Center. The following table lists the guidelines to use VMware Pulse IoT Center with the indicated scale factor for matching the features with their workloads.
Illustrative Usage of VMware Pulse IoT Center with Vertical Scale
| Vertical Scale Factor | Devices (gateways and things) | Metrics Ingest Interval (in seconds) | Metric Points Per Device | Data Points Per Hour | OTA Devices Per Campaign | Alert Definitions |
|---|---|---|---|---|---|---|
| 1 | 1000 | 5 | 10 | 120000 | 50 | 10 |
| 1 | 2000 | 5 | 5 | 120000 | 50 | 10 |
| 1 | 3000 | 10 | 7 | 126000 | 50 | 10 |
| 1 | 3000 | 15 | 10 | 120000 | 50 | 10 |
| 2 | 4000 | 10 | 5 | 120000 | 100 | 25 |
| 2 | 3000 | 10 | 7 | 252000 | 100 | 25 |
| 3 | 4000 | 15 | 10 | 450000 | 100 | 30 |
| 4 | 8000 | 25 | 10 | 320000 | 100 | 40 |
| 4 | 10000 | 30 | 10 | 400000 | 100 | 40 |
| 4 | 15000 | 60 | 10 | 450000 | 100 | 40 |
Note: Uploading files using the command execution option on many gateways increase the disk size and must be monitored. Contact VMware Support for adding additional disk resources if 70% disk usage is reached.
All the OTA campaigns indicated in the table work with a package size of 10 MB in a large-scale environment. Ensure that you run a campaign on a maximum number of 100 devices at a time. After the campaign runs successfully, proceed to the next 100 devices.