Logging & Observability

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Loki (boltdb-shipper, object store)

Horizontally‑scalable log aggregation system. Stores log chunks and indexes in S3‑compatible object storage when using boltdb‑shipper.

• Homepage: Loki
• Docs: Loki Documentation

loki-config.yaml excerpt

storage_config:
aws:
  s3: s3://<YOUR_ACCESS_KEY>:<YOUR_SECRET_KEY>@
  s3forcepathstyle: true
  s3signatureversion: v4
boltdb_shipper:
  shared_store: s3
schema_config:
configs:
- from: 2024-01-01
  store: boltdb-shipper
  object_store: s3
  schema: v13

Tempo (traces)

Distributed tracing backend optimized for cost‑effective storage. Supports S3 for storing trace blocks.

• Homepage: Tempo
• Docs: Tempo Documentation

tempo.yaml excerpt

storage:
trace:
  backend: s3
  s3:
    bucket: tempo-traces
    endpoint: 
    access_key: <YOUR_ACCESS_KEY>
    secret_key: <YOUR_SECRET_KEY>
    insecure: false
    path_style_access: true

Thanos / Mimir (metrics long-term storage)

Long‑term Prometheus metrics at massive scale. Use S3‑compatible storage as the object store for blocks.

• Thanos: Homepage · Docs
• Mimir: Homepage · Docs

thanos config excerpt

objstore:
config:
  type: S3
  config:
    bucket: thanos-metrics
    endpoint: 
    access_key: <YOUR_ACCESS_KEY>
    secret_key: <YOUR_SECRET_KEY>
    insecure: false
    signature_version2: false
    sse_config: null