Author

Articles by Christian Dahlqvist

Solutions Architect, Elastic

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How many shards should I have in my Elasticsearch cluster?

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Efficient Duplicate Prevention for Event-Based Data in Elasticsearch

Need to prevent duplicates in the Elastic Stack with minimal performance impact? We'll look at different options and provide some practical guidelines.

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Sizing Hot-Warm Architectures for Logging and Metrics in the Elasticsearch Service on Elastic Cloud

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A Practical Introduction to Logstash

An introduction to Logstash that shows you how to work with it when developing a configuration for parsing and ingesting access logs into Elasticsearch.

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Securing GDPR Personal Data with Access Controls

Securing and controlling access to personal data is fundamental to GDPR. See how Elastic security features can help support a wide range of access policies.

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Should I use Logstash or Elasticsearch ingest nodes?

Unsure about when to use Logstash or Elasticsearch ingest node? This blog post guides you through the things to consider when making that decision.

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Why am I seeing bulk rejections in my Elasticsearch cluster?

Experiencing bulk rejections leading to poor indexing performance? This blog post explains why Elasticsearch rejects requests and how to get around it.

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Filebeat modules, access logs and Elasticsearch storage requirements

In this blog post, we explore the on-disk storage requirements of data indexed using Filebeat modules and discuss further optimizations and related tradeoffs.