Featured Posts
Redis, Valkey, or Dragonfly: revisit the choice before you treat them as the same cache
If your service already uses Redis, the name on the port has not changed. The product behind that name has. Treating Redis, Valkey, and Dragonfly as three labels for one cache is the habit worth unlearning.
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MongoDB 8.0 Performance is 36% higher, but there is a catch…
TLDR: If your app is performance critical, think twice, thrice before upgrading to MongoDB 7.0 and 8.0. Here is why…
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Recent Posts
Service mesh in 2026: revisit Istio ambient, Linkerd and Cilium before you add sidecars
A logistics company in Bengaluru runs a production Kubernetes cluster with 14 nodes and about 420 pods. Three requests landed in one sprint.
Read moreKeycloak and its alternatives: revisit your identity provider before you standardise SSO
A SaaS company in Hyderabad runs Keycloak 24 on two virtual machines. It was set up in 2024 for about 60 internal tools and has worked quietly since.
Read moreArgo CD and Flux: revisit your GitOps controller before you scale or migrate
A platform team in Pune looks after 14 Kubernetes clusters. Most of them are managed by one central Argo CD instance that the team set up in 2021.
Read morePrometheus long-term storage: revisit Thanos, Mimir and VictoriaMetrics before you scale
A platform team runs two Prometheus servers per cluster as an HA pair, with 15 days of local retention. In one quarter, three requests arrive: the SRE lead wants a year of history for capacity planning, a product team adds a customer_id label to a request metric, and the auditors ask what happens to metrics when a disk dies.
Read morePgBouncer and its alternatives: revisit your PostgreSQL connection pooler
A team runs about forty services on Kubernetes against one PostgreSQL primary. During a sale, the autoscaler adds pods, each opens its own pool of ten connections, and PostgreSQL starts refusing logins with “remaining connection slots are reserved”.
Read moreVault and OpenBao: revisit your secrets manager before you renew or migrate
A platform team runs a three-node Vault Community cluster for about sixty services. In one week, a product group asks for its own isolated tenant, which in Vault means namespaces, an Enterprise feature, and finance asks whether the Enterprise quote is really needed.
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