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19 lines
1.1 KiB
Plaintext
19 lines
1.1 KiB
Plaintext
// Module included in the following assemblies:
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//
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// * /serverless/install/install-serverless-operator.adoc
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:_content-type: REFERENCE
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[id="serverless-cluster-sizing-req_{context}"]
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= Defining cluster size requirements
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To install and use {ServerlessProductName}, the {product-title} cluster must be sized correctly. The total size requirements to run {ServerlessProductName} are dependent on the components that are installed and the applications that are deployed, and might vary depending on your deployment.
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[NOTE]
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====
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The following requirements relate only to the pool of worker machines of the {product-title} cluster. Control plane nodes are not used for general scheduling and are omitted from the requirements.
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====
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By default, each pod requests approximately 400m of CPU, so the minimum requirements are based on this value. Lowering the actual CPU request of applications can increase the number of possible replicas.
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If you have high availability (HA) enabled on your cluster, this requires between 0.5 - 1.5 cores and between 200MB - 2GB of memory for each replica of the Knative Serving control plane.
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