loki-conf.yaml

loki-distributed:
  loki:
    config: |
      auth_enabled: false
      chunk_store_config:
        chunk_cache_config:
          memcached: &memcached
            batch_size: 100
            parallelism: 100
          memcached_client: &memcached_client
            consistent_hash: true
            host: {{ include "loki.memcachedChunksFullname" . }}
            service: http
        max_look_back_period: 0s
        write_dedupe_cache_config:
          memcached: *memcached
          memcached_client:
            <<: *memcached_client
            host: {{ include "loki.memcachedIndexWritesFullname" . }}
      
      frontend:
        compress_responses: true
        max_outstanding_per_tenant: 200
      
      frontend_worker:
        frontend_address: {{ include "loki.queryFrontendFullname" . }}:9095
        grpc_client_config:
          max_send_msg_size: 104857600
        parallelism: 8
      
      memberlist:
        join_members:
          - {{ include "loki.fullname" . }}-memberlist
      
      ingester:
        chunk_block_size: 262144
        chunk_idle_period: 3m
        chunk_retain_period: 1m
        lifecycler:
          heartbeat_period: 5s
          join_after: 30s
          num_tokens: 512
          ring:
            heartbeat_timeout: 1m
            kvstore:
              store: memberlist
            replication_factor: 3
      
      ingester_client:
        grpc_client_config:
          max_recv_msg_size: 67108864
        remote_timeout: 1s
      
      limits_config:
        enforce_metric_name: false
        max_query_length: 12000h
        max_query_parallelism: 32
        reject_old_samples: true
        reject_old_samples_max_age: 168h
        max_cache_freshness_per_query: 10m
      
      query_range:
        align_queries_with_step: true
        cache_results: true
        max_retries: 5
        split_queries_by_interval: 24h
        results_cache:
          cache:
            memcached_client:
              <<: *memcached_client
              host: {{ include "loki.memcachedFrontendFullname" . }}
              timeout: 500ms
      schema_config:
        configs:
          - &schema
            from: 2018-04-15
            store: aws-dynamo
            object_store: aws
            schema: v10
            index:
              prefix: {{ printf "loki_%s_" (.Values.clusterName | replace "-" "_") }}
              period: {{ ternary "168h" "48h" .Values.prodCluster }}
              tags:
                {{- range $key, $val := .Values.tags }}
                {{ $key }}: {{ $val }}
                {{- end }}
          - <<: *schema
            from: 2020-01-07
            schema: v11
      server:
        http_listen_port: 3100
        graceful_shutdown_timeout: 5s
        grpc_server_max_concurrent_streams: 1000
        grpc_server_max_recv_msg_size: 104857600
        grpc_server_max_send_msg_size: 104857600
        http_server_write_timeout: 1m
      
      storage_config:
        aws:
          dynamodb:
            dynamodb_url: dynamodb://{{ .Values.region }}
          s3: s3://{{ .Values.region }}/{{ .Values.s3BucketName }}
        index_queries_cache_config:
          memcached: *memcached
          memcached_client:
            <<: *memcached_client
            host: {{ include "loki.memcachedIndexQueriesFullname" . }}
      distributor:
        ring:
          kvstore:
            store: memberlist
      table_manager:
        chunk_tables_provisioning:
          inactive_read_throughput: 0
          inactive_write_throughput: 0
          provisioned_read_throughput: 0
          provisioned_write_throughput: 0
        retention_period: {{ printf "%sh" (.Values.retentionPeriodInHours | toString) }}
        retention_deletes_enabled: true
        index_tables_provisioning:
          enable_inactive_throughput_on_demand_mode: true