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Amazon ElastiCache for Redis and Valkey can publish two log streams: the slow log (commands that exceeded a configured execution threshold) and the engine log (server events). Both can be delivered to CloudWatch Log Groups or to Amazon Data Firehose. ElastiCache for Memcached doesn’t emit these log streams. Kinesis Firehose — enable log delivery for the slow log and/or engine log on the cluster, destination Amazon Data Firehose. Both log streams are supported.
Select the JSON log format on the AWS side. Bronto parses and flattens JSON records automatically — no parser needed. The TEXT format is comma-delimited and stored raw, requiring a custom parser. See Supported record formats.

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Alternatives

  • CloudWatch Log Forwarder — enable slow log and engine log delivery to CloudWatch on the cluster, and the Bronto forwarder Lambda subscribes to the resulting log groups.
See Ingesting AWS Data into Bronto for the full service-to-method mapping.

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References