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LinDB

lindb.io

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Spec score 8.7 #5 of 36 in Time-Series Databases

What it is

LinDB is an open-source distributed time-series database for IoT and IT operations monitoring. It stores and analyzes metrics across IaaS, PaaS, SaaS and application layers, using a schema-free model of metrics, tags and fields. LinQL provides SQL-like syntax for queries and cluster or database operations; data can be inserted and queried through an HTTP REST API, client connections and an admin console. Ingestion supports FlatBuffers, Protocol Buffers and InfluxDB protocols, with Go and Java client libraries listed. The system separates computation from storage and identifies ETCD as its only external dependency. It supports replicas, horizontal scaling, operation across multiple IDCs, and automatic minute, hour and day rollups. Deployment documentation covers standalone and cluster modes, with packages for Linux, Windows and macOS and a Docker guide for Linux. LinDB is free under Apache 2.0. Its data scope is limited to numeric time series with accuracy up to the second; it is not suited to text records or finer time precision.

Spec sheet

Product
LinDB is an open-source, cloud-native, horizontally scalable distributed time-series database.Read 3 Oct 2026 · lindb.io
Deployment
The documentation describes standalone and cluster modes, and deployment as a binary with ETCD as its external dependency.Read 3 Oct 2026 · lindb.io
API
LinDB provides a version 1 HTTP REST API under /api/v1/* for insert, query, and state operations.Read 3 Oct 2026 · lindb.io
Integrations
The documentation says data ingestion currently supports FlatBuffers, Protocol Buffers, and InfluxDB protocols.Read 3 Oct 2026 · lindb.io
Security
The introduction lists self-governance and defensive capability against malicious users as features.Read 3 Oct 2026 · lindb.io
Support
The product page links to GitHub channels for feature requests, bug reports, and questions.Read 3 Oct 2026 · lindb.io
Architecture and dependency
LinDB separates computation and storage, and its documentation identifies ETCD as its only external dependency.Read 2 Oct 2026 · lindb.io
Automatic rollups
LinDB automatically supports rollups at minute, hour, and day intervals after database creation.Read 2 Oct 2026 · lindb.io
Availability
LinDB supports multiple replicas and is described as able to keep working with only one replica alive.Read 3 Oct 2026 · lindb.io
Availability and scale
LinDB supports multiple replicas, horizontal scaling, and operation across multiple IDCs.Read 2 Oct 2026 · lindb.io
Client libraries
The maker lists Go and Java client libraries and invites contributions for other languages.Read 3 Oct 2026 · lindb.io
Connections
LinDB provides an admin console, client connections, and an HTTP REST API for inserting and querying data.Read 2 Oct 2026 · lindb.io
Data and time limits
LinDB currently supports numeric time-series data with time accuracy up to the second; the documentation says it is unsuitable for text records or finer time accuracy.Read 2 Oct 2026 · lindb.io
Data model
LinDB uses a schema-free multidimensional data model with metrics, tags, and fields.Read 2 Oct 2026 · lindb.io
Deployment platforms
The package guide documents installation on Linux, Windows, and macOS; the product also provides a Docker deployment guide for Linux.Read 2 Oct 2026 · lindb.io
Integrations and protocols
The documentation describes client libraries including Go and Java, and an HTTP write endpoint that accepts InfluxDB Line Protocol.Read 2 Oct 2026 · lindb.io
Intended use
The maker describes use for IT operations monitoring and IoT, including monitoring metrics across IaaS, PaaS, SaaS, and application layers.Read 3 Oct 2026 · lindb.io
Limit
LinDB currently records numeric time-series data with time accuracy up to the second; the documentation says it is not suitable for higher time accuracy or text-based records.Read 3 Oct 2026 · lindb.io
Multi-region
LinDB supports multiple IDCs, with writes in either IDC and queries and aggregation across IDCs.Read 3 Oct 2026 · lindb.io
Performance
The maker says a single server could support more than one million write TPS.Read 3 Oct 2026 · lindb.io
Query language
LinQL provides SQL-like syntax for querying data and performing cluster or database operations.Read 3 Oct 2026 · lindb.io
Rollups
LinDB automatically supports rollups at minute, hour, and day intervals after database creation.Read 3 Oct 2026 · lindb.io
Storage model
LinDB uses a schema-free multidimensional data model with metrics, tags, and fields.Read 3 Oct 2026 · lindb.io
Use cases
The documentation describes LinDB for IoT and IT operations monitoring, including metric storage and analysis for IaaS, PaaS, SaaS, and application layers.Read 2 Oct 2026 · lindb.io

Plans and prices

LinDB Free open source · Apache 2.0 Read 3 Oct 2026 · lindb.io

Every LinDB plan and price →

Strong points and limits

Strong points

  • Free and open source under Apache 2.0
  • SQL-like queries through LinQL
  • Supports replicas and horizontal scaling
  • Automatic minute, hour and day rollups
  • Deployment guides cover Linux, Windows and macOS

Limits

  • Does not suit text-based records
  • Time accuracy is limited to the second
  • ETCD is an external dependency

Who it suits

LinDB suits teams collecting and analyzing numeric metrics for IoT or IT operations across infrastructure and application layers. It may fit deployments that need replicas, horizontal scaling or multiple IDC support.

Verdict

LinDB offers a focused metrics database with multiple ingestion options, SQL-like queries and scale-out capabilities. Its second-level precision and numeric-only data model define what it can store.

Where Specifiction places it

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