Frequently Asked Questions about YDB

Q: What is YDB?

A: YDB (Yet Another Distributed Database) is an open-source, distributed SQL database designed for high availability, scalability, and strict consistency.

Q: What are the key features of YDB?

A: Key features include fault-tolerant configuration, horizontal scalability, automatic disaster recovery, SQL dialect (YQL), and ACID transactions.

Q: How does YDB achieve fault tolerance?

A: YDB can be deployed across multiple availability zones, ensuring the cluster remains operational even if one zone experiences an outage.

Q: What is horizontal scalability, and how does YDB support it?

A: Horizontal scalability (scaling out) allows you to increase capacity by adding more nodes to the cluster. YDB supports this, enabling seamless expansion to handle increasing loads.

Q: What is YQL?

A: YQL (YDB Query Language) is the SQL dialect used by YDB for data manipulation and schema definition.

Q: Can YDB run in a multitenant or serverless setup?

A: Yes, YDB supports multitenant and serverless setups, allowing efficient resource utilization and cost optimization.

Q: What are the minimum system requirements for running YDB?

A: YDB runs on x86 64bit platforms with a minimum of 8 GB of RAM.

Q: What operating systems are supported by YDB?

A: YDB primarily supports Ubuntu Linux, but it can also be built and run on MacOS and Microsoft Windows for development purposes.

Q: How can I get started with YDB?

A: You can get started by installing YDB using pre-built executables, building it from the source code, or using a Docker container. Then, set up the CLI, launch a local cluster, and explore the embedded UI.

Q: How can I contribute to the YDB project?

A: Please read the contributor’s guide and contributor’s license agreement (CLA) before contributing. Add a note to your pull request indicating that you agree to the terms of the CLA.