InfluxDB reference
This page documents an earlier version of InfluxDB OSS. InfluxDB 3 Core is the latest stable version.
API token hashing is enabled by default in InfluxDB OSS 2.9.0
Stronger token security: tokens are stored as hashes on disk, so a copy of the database file doesn’t expose usable tokens. Existing tokens are hashed on first startup and the original strings can’t be recovered afterward — capture any plaintext tokens you still need before you upgrade.
For more information, see Token hashing.
Release notes
Find important information about what’s included in new versions of InfluxData products.
InfluxDB key concepts
Concepts related to InfluxDB.
InfluxDB configuration options
Customize your InfluxDB configuration by using influxd configuration flags, setting environment variables, or defining configuration options in a configuration file.
Command line tools
InfluxDB provides command line tools designed to aid in managing and working with InfluxDB from the command line.
InfluxDB syntaxes
InfluxDB uses a handful of languages and syntaxes to perform tasks such as writing, querying, processing, and deleting data.
InfluxDB OSS URLs
InfluxDB OSS is accessed at localhost:8086 by default, but you can also customize your InfluxDB host and port.
InfluxDB internals
<h3 id="influxdb-storage-engine"><a href="/influxdb/v2/reference/internals/storage-engine/" target="">InfluxDB storage engine</a></h3>
<p>An overview of the InfluxDB storage engine architecture.</p>
<h3 id="influxdb-file-system-layout"><a href="/influxdb/v2/reference/internals/file-system-layout/" target="">InfluxDB file system layout</a></h3>
<p>The InfluxDB file system layout depends on the operating system, package manager, or containerization platform used to install InfluxDB.</p>
<h3 id="data-retention-in-influxdb"><a href="/influxdb/v2/reference/internals/data-retention/" target="">Data retention in InfluxDB</a></h3>
<p>The InfluxDB retention service checks for and removes data with timestamps beyond the defined retention period of the bucket the data is stored in.</p>
<h3 id="influxdb-runtime"><a href="/influxdb/v2/reference/internals/runtime/" target="">InfluxDB runtime</a></h3>
<p>Learn how to collect Go runtime profiling and tracing information to help with InfluxDB performance analysis and debugging.</p>
Sample data
Use sample data to familiarize yourself with time series data and InfluxDB. InfluxData provides many sample time series datasets to use with InfluxDB and InfluxDB Cloud.
Prometheus metric parsing formats
When scraping Prometheus-formatted metrics and writing them to InfluxDB, metrics are parsed and stored in InfluxDB in different formats.
Usage telemetry
InfluxData collects information, or telemetry data, about the usage of InfluxDB to help improve the product. Learn what data InfluxDB collects and sends to InfluxData, how it’s used, and how you can opt out.
Frequently asked questions
Find answers to common questions related to InfluxDB OSS.
Glossary
Terms related to InfluxData products and platforms.
Contribute to InfluxDB OSS
Find important information about what’s included in new versions of InfluxData products.
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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 OSS v2 and this documentation. To find support, use the following resources:
Customers with an annual or support contract can contact InfluxData Support.