Side by side
Apache Impala vs TDengine
Both stand on olap software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan APILinuxMac+1
Apache Impala is a free analytic database for SQL queries across supported open data formats and Hadoop infrastructure. It is not a substitute for MapReduce-based frameworks handling long-running ETL or batch work.
Visit Apache Impala
Free plan Open source APILinuxMac+3
TDengine combines time-series data management with ingestion, processing, and visualization tools for industrial use. The free self-hosted tier and cloud deployment options give teams distinct ways to get started.
Visit TDengineThe facts
| Apache Impala | TDengine | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Yes |
| Runs on | API, Linux, Mac, Self-hosted | API, Linux, Mac, Self-hosted, Web, Windows |
| Lowest paid plan | Free or on request | See the plans |
| Plans published | 1 | 12 |
| Maker | Not published | Not published |
| Website | impala.apache.org | tdengine.com |
| On olap software | #4 of 32 | #1 of 32 |
Apache Impala: what it does well
- Supports SQL and multiple client interfaces.
- Works with HDFS, HBase, and Amazon S3.
- Can query Kudu and interact with Iceberg tables.
- Integrates Kerberos, Ranger authorization, and auditing.
- Free under the Apache License 2.0.
What to know first
- Does not replace Hive for long-running batch jobs.
- Listed deployment is self-hosted.
TDengine: what it does well
- Free self-hosted tier covers up to 5,000 tags
- Connects to OPC, MQTT, Kafka, and other sources
- Includes caching, stream processing, and data subscription
- Supports SQL and horizontal scaling
What to know first
- Starter costs $970 a month
- Premium Support costs extra
- TSDB-OSS is released under the AGPL license
Alternatives to Apache Impala Alternatives to TDengine The whole list