FiloDB

FiloDB is a distributed, real-time, in-memory time series database that offers Prometheus compatibility, designed for massively scalable operational data storage and querying. It features efficient sharding, tag-based indexing for flexible queries, and low-latency performance, enabling real-time ingestion and monitoring of millions of entities. Notable capabilities include PromQL support, dual-datacenter fault tolerance, and advanced compression techniques for high data retention in memory.