You are looking at documentation for an older release. Not what you want? See the current release documentation.
Before upgrading Logstash:
While upgrading Logstash:
- If you use X-Pack monitoring, you must re-use the data directory when you upgrade Logstash. Otherwise, the Logstash node is assigned a new persistent UUID and becomes a new node in the monitoring data.
See the following topics for information about upgrading Logstash: