Log Monitoring System: Loki + Promtail Deployment
Why Choose Loki The traditional ELK (Elasticsearch + Logstash + Kibana) stack is powerful, but has two core pain points: High storage costs: Elasticsearch fully indexes log content, with index bloat reaching 3-5x the raw data Operational complexity: ES cluster scaling, shard rebalancing, and index lifecycle management are complex, making production clusters costly to maintain Loki, open-sourced by Grafana Labs, is designed around the philosophy of “doing for logs what Prometheus did for metrics....