Engineering

This post describes the practice of Chaos Engineering in K8s clusters, discusses important Chaos Mesh features through analysis of its source code, and explains how to develop Chaos Mesh's control plane with code examples.

Author: Mike Barlow (Solutions Architect at PingCAP) Editors: Jose Espinoza, Tina Yang, Tom Dewan TiDB, an open-source, distributed NewSQL database, can experience write performance degradation for several reasons. This troubleshooting guide discusses write performance degradation related to the RocksDB built-in write stall feature. RocksDB is an open-source, mature, and high-performance key-value store. It is optimized for fast, low latency […]

This post explains how TiDB Operator implements a component control loop by taking PD as an example. You'll learn PD and other component's lifecycle management.

WebAssembly is a binary instruction format designed for secure and near-native execution in the sandboxed environment. This post shares how we use WebAssembly to build a user-defined function engine for TiDB.

Raft is a consensus-based method that distributes data in such a way that it creates and maintains a high availability environment for your database. This article introduces the general components and mechanisms of Raft, and how distributed databases such as TiDB and TiKV use Raft to achieve high availability and consistency.

Combining Flink and TiDB provide powerful support for real-time data processing. In this article, a NetEase senior engineer introduces how they use Flink on TiDB to guarantee end-to-end exactly-once semantics.

Learn about TiDB Operator's component control loop and how it manages TiDB's component lifecycle.

As a key-value database, TiKV has much higher performance requirements than a regular application, so tracing tools must have minimal impact. Learn how we trace TiKV requests while impacting performance less than 5%.

This post introduces the execution workflow of a TiKV request in the prewrite phase. It offers a top-down description of how the prewrite request of an optimistic transaction is executed within the multiple modules of the Region leader.

Learn about Kubernetes's Operator pattern and TiDB Operator's major reconcile loop.

TiFS is a distributed file system built upon TiKV. It is partition tolerant, strictly consistent, and most efficient for reading and writing small files or other complicated file system operations.

As a major new feature introduced in TiDB 5.0, Async Commit can greatly reduce the latency of transaction commits. This post describes Async Commit's design ideas and its key implementation details.