The Fastest Time-Series Database | QuestDB

Peak time-series performancePeaktime-seriesperformanceQuestDB is the open-source time-series database for demanding workloads—from trading floors to mission control. It delivers ultra-low latency, high ingestion throughput, and a multi-tier storage engine. Native support for Parquet and SQL keeps your data portable, AI-ready—no vendor lock-in.

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“Fast SQL for time series”

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Java実装の時系列DB。SQL使える。