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42 lines
1.2 KiB
Plaintext
42 lines
1.2 KiB
Plaintext
// Module included in the following assemblies:
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//
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// * scalability_and_performance/telco_core_ref_design_specs/telco-core-rds.adoc
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:_mod-docs-content-type: REFERENCE
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[id="telco-core-node-configuration_{context}"]
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= Node Configuration
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New in this release::
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* Consult the 4.21 release notes regarding the decrease in the default maximum open files soft limit for containers in this release.
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Limits and requirements::
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* Analyze additional kernel modules to determine impact on CPU load, system performance, and ability to meet KPIs.
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+
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--
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.Additional kernel modules
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|====
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|Feature|Description
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|Additional kernel modules
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a|Install the following kernel modules by using `MachineConfig` CRs to provide extended kernel functionality to CNFs.
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* sctp
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* ip_gre
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* nf_tables
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* nf_conntrack
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* nft_ct
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* nft_limit
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* nft_log
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* nft_nat
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* nft_chain_nat
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* nf_reject_ipv4
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* nf_reject_ipv6
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* nfnetlink_log
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|Container mount namespace hiding|Reduce the frequency of kubelet housekeeping and eviction monitoring to reduce CPU usage.
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Creates a container mount namespace, visible to kubelet/CRI-O, to reduce system mount scanning overhead.
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|Kdump enable|Optional configuration (enabled by default)
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|====
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--
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