QuestDB

QuestDB is a high-performance, open-source time-series database built for demanding analytical workloads.

Key Features:

• Ultra-Low Latency — Ingest millions of rows per second with consistent sub-millisecond write times.
• SQL Interface — Query time-series data with standard SQL extended for time-based operations.
• Columnar Storage — Compress and scan time-series data efficiently with column-oriented architecture.
• Multi-Tier Storage — Automatically tier data between hot and cold storage for cost optimization.
• Real-Time Dashboards — Connect to Grafana and other tools for live monitoring of scraping metrics.

Whether you're tracking crawl performance, monitoring scraper health, or analyzing extraction rates over time, QuestDB provides the speed and efficiency your time-series data demands.