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Loki

    • Developer Preview
    March 23, 2025
    + 12
    Loki can be used to process and store Couchbase logs.

    Overview

    Loki is a Prometheus-inspired open source, multi-tenant log aggregation system. Loki is used to process and store collected Couchbase logs.

    component loki
    Figure 1. Loki in CMOS

    Couchbase cluster generates logs of various operations which is important for monitoring and investigation purposes. Loki provides the option to parse the logs enabling search and aggregation based on keys. Logs are pushed to Loki by various tools, we recommend Fluent Bit and provide a method to deploy it.

    Get Started

    Loki is managed by the Couchbase Monitoring Observability Stack(CMOS). Loki is enabled by default in the CMOS, however, Fluent Bit needs to be configured for the logs to reach Loki. Depending upon the type of deployment you need to enable Fluent Bit.