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.
Fascinating lessons learned using the Kubernetes operator for PostgreSQL of our choice — Postgres Operator by Zalando. Problems and solutions, the story of migrating production.
Evaluating five popular Kubernetes operators for PostgreSQL: Stolon, Crunchy Data, Zalando, KubeDB, and StackGres — and comparing them in a features matrix.
Our stories include a poorly prepared Kafka in Docker, an unexpected network issue for ZooKeeper & ClickHouse, a faulty hardware in the data center, and the PgSQL database optimization.
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