[Starlingx-discuss] Resource requirement for Starlingx

[Rai, Ankush]

Please reply on this. Any input will be very useful to conclude on available resource pool for user applications.

Regards,
Ankush

From: Rai, Ankush
Sent: Thursday, November 5, 2020 8:30 PM
To: starlingx-discuss at lists.starlingx.io
Subject: Resource requirement for Starlingx

Hi,

How to evaluate the resource usage by Starling platform (Not running the Openstack applications)? What would be the maximum requirement for below resources?


  *   Processor core -
  *   Hyper threads  -
  *   Memory            -
  *   Primary disk     -

The objective of this question is to find out the available resources pool for application deployment.
For an example if the worker node hardware has 'X' Hyper-Threads and on an average 'Y' Hyper-Threads would be used by Starlingx platform, then remaining Hyper-Thread would be available for user applications.
How do I get this 'Y' portion of resource here?

Note: the deployment is not going to host the Openstack (stx-openstack), so its overhead can be excluded.

Is this something, that can be concluded by starligx admin portal, PlatformHost -> InventoryHost -> Detail:
Storage:
UUID
Disk info
Type
Size (GiB)
Available Size (GiB)
RPM
Serial ID
Model
468da969-bca7-45b5-be1d-7bb1fc2e55c1
/dev/disk/by-path/pci-0000:1a:00.0-scsi-0:2:0:0<http://10.211.41.101:8080/admin/2/detail/>
HDD
1117.25
860.46
Undetermined
001e338e94a69cd72600770c4cf0a7ce
PERC H740P Mini

Memory:

Reserved for Platform: 7000 MiB
Usable Total: 121390 MiB
Available: 121390 MiB

What does this CPU profile means? is this provides a way to reserve/associate CPUs for user applications ?

Any pointers to understand the resource allocation in starlingx ?


Regards,
Ankush
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