loki/tools/dev/loki-boltdb-storage-s3/config/loki.yaml

auth_enabled: true 
chunk_store_config:
    chunk_cache_config:
        memcached:
            batch_size: 256
            parallelism: 10
        memcached_client:
            addresses: memcached:11211
compactor:
    compaction_interval: 1m
    retention_delete_worker_count: 500
    retention_enabled: true
    shared_store: s3
    working_directory: /data/compactor
distributor:
    ring:
        kvstore:
            consul:
                consistent_reads: false
                host: consul:8500
                http_client_timeout: 20s
                watch_burst_size: 1
                watch_rate_limit: 1
            store: consul
frontend:
    compress_responses: true
    log_queries_longer_than: 5s
    max_outstanding_per_tenant: 512
frontend_worker:
    grpc_client_config:
        max_send_msg_size: 1.048576e+08
    parallelism: 6
    scheduler_address: query-scheduler:9009
ingester:
    chunk_block_size: 262144
    chunk_encoding: snappy
    chunk_idle_period: 15m
    chunk_retain_period: 6m
    chunk_target_size: 1.572864e+06
    flush_op_timeout: 10m
    lifecycler:
        heartbeat_period: 10s
        interface_names:
          - eth0
        join_after: 30s
        num_tokens: 512
        ring:
            heartbeat_timeout: 10m
            kvstore:
                consul:
                    consistent_reads: true
                    host: consul:8500
                    http_client_timeout: 20s
                store: consul
            replication_factor: 3
    max_transfer_retries: 0
    sync_min_utilization: 0.2
    sync_period: 15m
    wal:
        dir: /data/wal
        enabled: true
        replay_memory_ceiling: 7GB
ingester_client:
    grpc_client_config:
        max_recv_msg_size: 6.7108864e+07
    remote_timeout: 1s
limits_config:
    cardinality_limit: 100000
    enforce_metric_name: false
    ingestion_burst_size_mb: 5
    ingestion_rate_mb: 2
    ingestion_rate_strategy: global
    max_concurrent_tail_requests: 5
    max_global_streams_per_user: 5000
    max_label_name_length: 1024
    max_label_names_per_series: 15
    max_label_value_length: 2048
    max_line_size: 65536
    max_query_length: 721h
    max_query_lookback: 744h
    max_query_parallelism: 32
    max_streams_matchers_per_query: 128
    max_streams_per_user: 0
    reject_old_samples: true
    reject_old_samples_max_age: 168h
    split_queries_by_interval: 15m
querier:
    engine:
        timeout: 5m
    query_ingesters_within: 2h
    query_timeout: 5m
    multi_tenant_queries_enabled: true
query_range:
    align_queries_with_step: true
    cache_results: true
    max_retries: 5
    parallelise_shardable_queries: true
    results_cache:
        cache:
            memcached_client:
                addresses: memcached:11211
schema_config:
    configs:
      - from: "2020-07-30"
        index:
            period: 24h
            prefix: loki_boltdb_shipper_index_
        object_store: s3
        schema: v11
        store: boltdb-shipper
server:
    graceful_shutdown_timeout: 5s
    grpc_server_max_concurrent_streams: 1000
    grpc_server_max_recv_msg_size: 1.048576e+08
    grpc_server_max_send_msg_size: 1.048576e+08
    http_listen_port: 3100
    http_server_idle_timeout: 120s
    http_server_write_timeout: 6m
    log_level: debug
storage_config:
    boltdb_shipper:
        active_index_directory: /data/index
        cache_location: /data/boltdb-cache
        index_gateway_client:
            server_address: index-gateway:9008
        shared_store: s3
    aws:
      s3: s3://loki:supersecret@minio:9000/loki
      s3forcepathstyle: true
      insecure: true
      endpoint: minio:9000
    index_queries_cache_config:
        memcached:
            batch_size: 256
            parallelism: 10
        memcached_client:
            addresses: memcached:11211
table_manager:
    creation_grace_period: 3h
    poll_interval: 10m
    retention_deletes_enabled: false
    retention_period: 0