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Force Oracle database and RAC logs to JSON format?

edited Aug 22, 2023 10:01AM in Database Administration (MOSC) 5 commentsAnswered

Concerns: Oracle Database 19.19.0.0.0 / Oracle +ASM 19.19.0.0.0 / Oracle RAC 19.0.0.0.0

We are looking at ways to feed Oracle database, +ASM and RAC log and trace files into an ElasticSearch engine for observability purposes.

In order for the ES to ingest the files correctly, I need:

  • either to know the exact format of the logs produced by Oracle (this would help me write grok patterns for ES)
  • or to force Oracle to output its logs in JSON format (and ElasticSearch will automatically infer the schema itself)

AFAIK, Oracle logs are very structured and their format is standardised, but I have been unable to find either a formalisation of the norms used, or any way to force Oracle to output its logs to JSON format.

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