<ul><li>When processing event streams with Logstash, you may encounter a need to calculate the duration of a session — the difference between its start and end times.</li><li>Logstash provides the flexibility to perform such operations by embedding custom Ruby code into your pipeline configuration.</li><li>To calculate the session duration and add it as a new field, you can use the Ruby filter plugin.</li><li>By embedding this Ruby code in your Logstash configuration, you can automate session duration calculations and enrich your event data for further analysis in Elasticsearch.</li></ul>

Calculating Session Duration in Logstash Using Ruby

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