File output & rotation
Configure file output for air-gapped or offline-first deployments — path, rotation, codec, permissions.
4 min read
The file output writes every emitted event as newline-delimited JSON to a configured directory. Use it for air-gapped deployments, offline buffering, development debugging or as a belt-and-braces output alongside Elasticsearch. Configure exactly one of output.file or output.elasticsearch as active in production.
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