TiDB 4.0 introduces cluster diagnostics, a built-in widget in TiDB Dashboard, which lets you diagnose cluster problems within a specified time range. You can summarize the diagnostic results and cluster-related load monitoring information in a diagnostic report.

This is the fourth episode of the Rust Compile Time series. It discusses some factors that cause Rust to build slow, including LLVM, compiler architecture, and linking.

TiDB Cloud Beta is released. It's the easiest, most economical, and most resilient way to unlock the full power of TiDB in the cloud, allowing the users to deploy and run TiDB clusters with just a few clicks.

The third episode of the Rust Compile Time series discusses why Rust's compilation units are so big and how that affects compile times.

PingCAP will publish a research paper "TiDB: A Raft-based HTAP Database" in the August issue of the Proceedings of the VLDB Endowment.

TiDB 4.0 has reached general availability. It's an elastic, real-time Hybrid Transactional/Analytical Processing (HTAP) database, and, best of all, it's now ready for the cloud.