Publications by tag databases

Renewing Let’s Encrypt root certificates for legacy CentOS, handling an error in DNS records with Ingress, restoring a PgSQL table from a backup, dealing with a tricky sharding problem in Elasticsearch, and more.

Migrating a Patroni-based PostgreSQL (v11.13) cluster brought us some unforeseen issues. Dive into this in-depth tutorial to avoid them when you have a similar challenge!

Sharing our experience deploying Keycloak together with Infinispan to a Kubernetes cluster and ensuring stability and scalability in such a setup.

Here are the challenges of using MongoDB in Kubernetes and the options we have to overcome them including ready-to-use Helm charts and Kubernetes operators.

Debezium is a distributed platform for change data capture built on top of Apache Kafka. Here is a short introduction to it and our experience of connecting it with two DBMSs.

Our new exciting SRE/Ops stories include complicated Linux server migration (bare-metal to VM), large PostgreSQL replica recovery, small case with ClickHouse Kubernetes operator, and abnormal result of CockroachDB upgrade.