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AWS eks documentation change

Service: eks · 2026-02-25 · Documentation low

File: eks/latest/userguide/troubleshooting.md

Summary

Added new error code ETCD_DB_SIZE_EXCEEDED with remediation guidance

Security assessment

Addresses operational reliability (etcd database size limits) not security vulnerabilities. No mention of exploits or vulnerabilities.

Diff

diff --git a/eks/latest/userguide/troubleshooting.md b/eks/latest/userguide/troubleshooting.md
index f4b50af2e..dd4a4e583 100644
--- a//eks/latest/userguide/troubleshooting.md
+++ b//eks/latest/userguide/troubleshooting.md
@@ -600,0 +601 @@ KMS_GRANT_REVOKED |  Grants for the AWS KMS Key associated with your cluster are
+ETCD_DB_SIZE_EXCEEDED |  Your Amazon EKS cluster has exceeded the etcd database size limit. etcd is a key-value data store that runs in the Kubernetes control plane and maintains your cluster’s configuration and state. To prevent your cluster from entering a degraded state, please reduce the etcd database size by removing unnecessary Kubernetes objects. For guidance on identifying and cleaning up objects contributing to database size, see [Managing etcd database size on Amazon EKS clusters](https://aws.amazon.com/blogs/containers/managing-etcd-database-size-on-amazon-eks-clusters/). If you continue to experience issues after cleanup, please contact AWS Support. |  The Cluster ARN |  Yes