Publications by tag Elasticsearch

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.

An overview of useful Logstash and Elasticsearch features & configuration options to get a better experience for your ELK installations. A small Elasticsearch API cheat sheet is included.

Here is another failure experience from our SREs that is worth sharing. It involves the migration of an Elasticsearch cluster from one storage to another inside a Kubernetes cluster.

How our approach to arrange data in Elasticsearch, manage its indexes and make backups has evolved due to real-life challenges.

Aggregating logs for applications hosted in Kubernetes: existing solutions (based on Fluentd, Elasticsearch, ClickHouse, etc.), their drawbacks, and challenges in general.