What's next from Grafana Labsbreadcrumb arrow Loki multi-store backends removed
What's next from Grafana Labs
What's next from Grafana Labs
Deprecation notice
Open Source Logs
Announcement
2026-08-24
Planned rollout in Cloud
Loki 4.0
Targeted self-managed release
Loki v4.0.0

Loki multi-store backends removed

Grafana Loki deprecated several legacy multi-store backends in release 3.0 The following legacy storage backends have been removed in Loki 4.0:

  • Apache Cassandra
  • Amazon DynaomoDB
  • BoltDB (for indexes)
  • Google BigTable
  • gRPC Store

Loki 4.0 will fail to start if a deprecated and removed storage backend is referenced in the schema or storage configuration.

Loki 3.0 Storage Documentation
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