InfluxDB concepts
This page documents an earlier version of InfluxDB OSS. InfluxDB OSS v2 is the latest stable version. See the equivalent InfluxDB v2 documentation: InfluxDB key concepts.
Understanding the following concepts will help you get the most out of InfluxDB.
InfluxDB file system layout
The InfluxDB file system layout depends on the operating system, package manager, or containerization platform used to install InfluxDB.
Compare InfluxDB to SQL databases
Differences between InfluxDB and SQL databases.
In-memory indexing and the Time-Structured Merge Tree (TSM)
InfluxDB storage engine, in-memory indexing, and the Time-Structured Merge Tree (TSM) in InfluxDB OSS.
InfluxDB design insights and tradeoffs
Optimizing for time series use case entails some tradeoffs, primarily to increase performance at the cost of functionality.
InfluxDB glossary
Terms related to InfluxDB OSS.
InfluxDB key concepts
Covers key concepts to learn about InfluxDB.
InfluxDB schema design and data layout
Improve InfluxDB schema design and data layout to reduce high cardinality and make your data more performant.
Time Series Index (TSI) details
Enable and understand the Time Series Index (TSI).
Time Series Index (TSI) overview
The Time Series Index (TSI) storage engine supports high cardinality in time series data.
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Support and feedback
Thank you for being part of our community! We welcome and encourage your feedback and bug reports for InfluxDB and this documentation. To find support, use the following resources:
Customers with an annual or support contract can contact InfluxData Support.