» Tag
high-availability
2 posts6–Jul 12, 2026
Chasing True Zero-Downtime Redis Sentinel Failover on Kubernetes
An engineer's attempt to achieve near zero-downtime Redis Sentinel failover on EKS: custom preStop hooks, ioredis buffering risks, and the debate over HA at scale.
rediskubernetesnode.jshigh-availabilityGitHub Enterprise Server Rebuilds Search Architecture with Elasticsearch CCR
GitHub moves Enterprise Server HA installations to Elasticsearch's Cross Cluster Replication to end fragile, cluster-wide search index failures.
githubelasticsearchhigh-availabilitysearch