# Loki Server # # Scope: Log aggregator { config.networking.firewall.allowedTCPPorts = [ 3100 ]; config.services.loki = { enable = true; configuration = { auth_enabled = false; server = { http_listen_port = 3100; }; ingester = { lifecycler = { address = "0.0.0.0"; ring = { kvstore = { store = "inmemory"; }; replication_factor = 1; }; final_sleep = "0s"; }; chunk_idle_period = "1h"; # Any chunk not receiving new logs in this time will be flushed max_chunk_age = "1h"; # All chunks will be flushed when they hit this age, default is 1h chunk_target_size = 1048576; # Loki will attempt to build chunks up to 1.5MB, flushing first if chunk_idle_period or max_chunk_age is reached first chunk_retain_period = "30s"; # Must be greater than index read cache TTL if using an index cache (Default index read cache TTL is 5m) max_transfer_retries = 0; # Chunk transfers disabled }; schema_config = { configs = [{ from = "2020-10-24"; # TODO: Should this be "today"? store = "boltdb-shipper"; object_store = "filesystem"; schema = "v11"; index = { prefix = "index_"; period = "24h"; }; }]; }; storage_config = { boltdb_shipper = { active_index_directory = "/var/lib/loki/boltdb-shipper-active"; cache_location = "/var/lib/loki/boltdb-shipper-cache"; cache_ttl = "24h"; # Can be increased for faster performance over longer query periods, uses more disk space shared_store = "filesystem"; }; filesystem = { directory = "/var/lib/loki/chunks"; }; }; limits_config = { reject_old_samples = true; reject_old_samples_max_age = "168h"; }; chunk_store_config = { max_look_back_period = "336h"; }; table_manager = { retention_deletes_enabled = true; retention_period = "336h"; }; }; }; }