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Private Cloud as a Service Platform Technical Documentation

Request a quota increase for an OpenShift project set

There are three different resource types on the platform:

  • CPU
  • Memory (RAM)
  • Storage

Before asking for more quota for your project set, check if the application is fully using the resources and confirm that the usage is expected. Use the following information to help determine the level of resource the application needs:

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Set up resource monitoring with Sysdig Monitor

Use Sysdig to monitor your application. You can access dashboards that show your application memory, CPU and storage usage.

Before you ask for a quota increase, the Platform Services team wants you to monitor and collect metrics to show how much resource your application uses. For more information, see Onboarding to application monitoring with Sysdig. The documentation has all you need to onboard onto Sysdig and use the default dashboards. If you have any issues onboarding to Sysdig, contact the Platform Services team on the applicable Rocket.Chat channel.

Request a quota increase

Note: Before you request a quota increase, make sure that your project is using its resources efficiently. The Platform Services team wants to be very confident your project needs more quota before they grant an increase.

If you determine that your application needs a quota increase, you can have a product owner or technical lead on your project make the request on the Project Edit page on the Platform Project Registry. The Platform Services team must approve the request before it's processed.

If you need more resources for CPU, RAM or storage in any of the four namespaces (dev, test, tool or prod), you must submit a standard quota increase request through the Platform Project Registry. For more information on quotas, see OpenShift project resource quotas.

Collect application metrics

The Platform Services team needs to know if your application is using the current quotas efficiently. If you're running out of quota, the team wants to review resource-consumption statistics. If you're preparing for an application load increase, the team wants to know the expected increase and how much growth room you still have.

Use the following process:

  1. Collect details on what you've already tried to reduce the current resource consumption and the use cases for the quota increase.
  2. Show the Platform Services team the resource monitors you have in the namespace. The team wants to know what level the resource consumption is in your application and how efficiently it's using resources.

Note: You should collect data for at least a week or however long it takes to see a pattern. Consider each component in the namespace, whether it's a part of the application or DevOps tools.

  1. Use the following guidelines, depending on the resource type:

CPU or RAM quota increase

If you're requesting a CPU or memory quota increase, collect the average from each replica pod. Present the Sysdig dashboard to show more accurate figures. Use the following example:

Component name Description (Optional) # of Replicas (and range if using auto scaler) Resource Requested Resource Limit Average Consumption Spikes
Rocket.Chat app platform chat app 3 (HPA min 3 max 5) 1 core CPU 1.5 cores CPU 1 core 1.4 cores

Storage quota increase

If you're requesting a storage quota increase, list all the persistent volume claims (PVCs) that you have and the components that are mounting the volume. Together with the Sysdig dashboard, this shows past usage metrics. Use the following example:

Component name Description (Optional) PVC type PVC size Storage Utilization
Rocket.Chat DB patroni statefulset to store persistent data netapp-file-standard 5GiB 80%
  1. Compare the current resource utilization and compare it with the quota. Explain how much more quota you need and why. Include the following:
  • Current quota in the project set
  • Total CPU, memory or storage currently used
  • Expected quota increase amount with a detailed allocation plan
  1. Email the request to the Platform Services team at PlatformServicesTeam@gov.bc.ca. Make sure you provide the Sysdig dashboard and ask to book a meeting.

If you need to store a large amount of unstructured data, consider using the S3 Object Storage Service provided by Enterprise Hosting.

Once the quota increase request is approved, the specified namespaces are upgraded to the next quota size.

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