Time-Series databases

CNCF-graduated pull-based monitoring system with a local TSDB, PromQL and alerting rules.

Purpose-built time-series database, rebuilt in Rust on Arrow, DataFusion and Parquet for version 3.

PostgreSQL extension adding hypertables, columnar compression and continuous aggregates for time series.

Columnar time-series SQL database built for market data and very high ingest rates.

Column-store time-series engine with the q language, a fixture of capital-markets tick data.

Label-indexed log aggregation: Prometheus-style streams, chunks on object storage, LogQL queries.

Resource-frugal, Prometheus-compatible metrics database, run as a single binary or a sharded cluster.

Veteran metrics stack: Carbon ingestion, Whisper files and the render API that shaped modern dashboards.

Apache time-series database for industrial IoT with tree and table models and edge-to-cloud sync.

Industrial-IoT time-series database with a table-per-device model and built-in streaming and caching.

Grafana Labs' horizontally scalable, multi-tenant long-term store for Prometheus and OTLP metrics.

Rust observability database that keeps metrics, logs and traces in one columnar engine on object storage.

Serverless DataFrame database from Man Group: Pandas in, versioned columnar data on S3 out.

Sidecar-plus-object-storage layer giving Prometheus global queries, HA dedup and long retention.

Continuous profiling database that stores CPU and memory profiles over time on object storage.

Distributed time-series database and scripting platform for quant finance and industrial analytics.

Toshiba's memory-first container database for IoT time series, with per-container ACID and SQL.

CNCF multi-tenant, horizontally scalable long-term storage for Prometheus metrics on object storage.

HBase-backed time-series database from the Hadoop era; still in service, rarely chosen for new work.

Rust cloud-native time-series database with SQL on DataFusion and InfluxDB-style ingestion.

Distributed columnar time-series database, now sold as Quasar, for tick, sensor and industrial data.

CNCF sandbox distributed time-series database from Huawei Cloud, compatible with InfluxQL.

The dominant industrial data historian: time-series storage plus asset context for plants and grids.

Java time-series database layered on Cassandra or ScyllaDB, from the OpenTSDB lineage.

Uber-born distributed TSDB and aggregator for Prometheus-scale metrics with tunable replication.

Small-footprint, clusterable time-series database with a query language built for grouping series.

AWS time-series services: managed InfluxDB today, with serverless LiveAnalytics closed to new customers.

Korean time-series database for sensor data, bundled with MQTT, HTTP and dashboards in one binary.

Netflix's in-memory dimensional time-series database for operational metrics, queried with a stack language.

Distributed in-memory time-series database with PromQL, ingesting from Kafka and persisting to Cassandra.

Multi-model database for IoT and observability: time series, full-text, vector and key-value on Parquet.

Erlang metric store on riak_core and ZFS with a SQL-like query language; dormant since 2019.

Columnar tick database and array language from Kona's author, with JSON and SQL syntax; open-sourced in 2022.

Rackspace's multi-tenant metrics ingestion, rollup and query service on Cassandra; dormant since 2022.

Embedded time-series and relational database for microcontrollers, RTOS and edge AI devices.

The in-memory data structure server that became the default cache, now with search, JSON and vectors built in.

The default document database: flexible BSON documents, rich queries and built-in sharding.

Lucene-based distributed search and analytics engine for text, vectors, logs and metrics.

Open-source columnar OLAP database known for very fast aggregations over billions of rows.

Apache-licensed, foundation-governed fork of Elasticsearch for search, vectors and observability.

Machine-data indexing and search platform with schema-on-read SPL queries, now owned by Cisco.

The original MPP data warehouse, now VantageCloud with open table formats and in-database analytics.

Real-time analytics database for sub-second slice-and-dice over streaming event data.

Veteran MPP columnar analytics database from the C-Store lineage, now owned by Rocket Software.

Microsoft's Kusto engine: fast KQL analytics over logs, telemetry and time series at petabyte scale.

ACID document database for .NET and beyond, with auto-indexing, Corax search and multi-master replication.

Real-time OLAP store from LinkedIn for user-facing analytics at very high query rates.

Rust multi-model database (documents, graph, vectors, live queries) that runs embedded, in WASM or clustered.

Distributed SQL database built on Lucene for real-time analytics over machine, IoT and JSON data.

Low-maintenance embeddable RDBMS with built-in TimeSeries, still quietly running retail and telco systems.

Single-binary Rust observability platform storing logs, metrics and traces as Parquet on object storage.

Log database from the VictoriaMetrics team: schemaless ingestion, LogsQL and low RAM and disk use.

Rust telemetry datalake for logs, metrics and traces on S3, queried with SQL.

OpenTelemetry-native APM and observability platform storing logs, metrics and traces in ClickHouse.

A single C++ binary for streaming SQL, built on ClickHouse's engine with streams and windows.

MongoDB's own multi-cloud DBaaS, bundling search, vector search and stream processing.

Object-storage-backed distributed tracing backend with TraceQL search and trace-derived metrics.

Multi-model Java database speaking SQL, Cypher, Gremlin, MongoDB and Redis protocols.

Managed ClickHouse platform that turns SQL pipes into low-latency, versioned HTTP APIs.

Cloud-native search engine on object storage for logs and traces, built on Tantivy.

Managed event and telemetry store with schema-on-read ingest and the piped APL query language.

GPU- and vector-accelerated database for real-time spatial, time-series and vector analytics.

MySQL-compatible cloud-native HTAP database on object storage, with vector search and snapshots.

Drop-in MongoDB Community build with enterprise features like encryption, LDAP and hot backup.

KX's vector database for time-aware AI search, with temporal similarity and hybrid retrieval.

Embedded in-memory and hybrid database for devices, real-time systems and time-series analytics.

Distributed vector database from DataJaguar that also handles time series and geospatial data.

Compact in-memory and flash relational DBMS for embedded, telecom and SCADA systems, sold by Enea.

Converged C/C++ NoSQL platform mixing key-value, documents, time-series, stream processing, graph and ML.

Redis Ltd.'s own managed Redis on AWS, Azure and GCP, with Active-Active geo-replication and tiering.

Microsoft's managed Redis built on Redis Enterprise, replacing the retiring Azure Cache for Redis.

Streaming data lake for log-scale event data, with ClickHouse-based SQL over object storage.

Proprietary ACID 'algorithmic' database from Indianapolis claiming extreme speed without conventional indexes.

Twitter's in-house, multi-tenant, eventually consistent key-value store with pluggable storage engines.